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This document provides information about various freshwater biomes including wetlands, rivers, lakes, and how humans interact with these environments. Wetlands are found globally and have waterlogged soils that support over 5,000 plant species. Rivers flow from headwaters to mouths, changing in characteristics along their path. Lakes range widely in size and depth, supporting diverse shoreline and open water ecosystems. Freshwater biomes are crucial for human water supply but are threatened by pollution and activities like dam construction that can harm native species.
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1. The document discusses various types of aquatic ecosystems including estuaries, mangrove swamps, coral reefs, rocky shores, sandy beaches, and barrier islands. It describes the key features and organisms found in each.
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This document summarizes different types of aquatic ecosystems, including freshwater ecosystems like ponds, lakes, streams, rivers, and wetlands, as well as marine ecosystems like oceans, coral reefs, and estuaries. It provides details on the characteristics of each ecosystem, such as the temperature and salinity of freshwater bodies, the diversity of species in oceans and coral reefs, and how estuaries are formed by the mixing of fresh and salt water.
Freshwater ecosystem
in this power point i have given the overview of freshwater ecosystem and covered mainly three type of ecosystem i.e lentic ecosystem, lotic ecosystem and wetlands.
Limnology powerpoint presentation
The document introduces limnology as the study of inland waters, including their physical, biological, and chemical aspects. It notes there are three main branches: physical limnology covers properties like water movement and basin geology. Biological limnology focuses on photosynthesis and productivity. Chemical limnology examines inorganic and organic compounds. The document provides examples of limnology studies on lakes, noting their formation, depth, residence time, zones, and trophic classification. It outlines the importance of limnology for conservation and understanding impacts of changes to watersheds.
Lotic
This document defines and describes lotic systems. Lotic systems include streams and rivers, which are flowing bodies of water. Key characteristics of lotic systems are that the water flows in one direction, from upstream to downstream; the channels are narrower and longer than lakes; and the flowing water continually deepens and widens the channel over time. Lotic systems have shorter water retention times than lentic systems like lakes, due to the constant movement of water.
Freshwater ecosystems
Freshwater ecosystems include streams, rivers, ponds, lakes, and wetlands. Streams join to form larger rivers. Ponds and lakes have three zones - a littoral zone near shore with plants, an open-water zone where sunlight reaches, and a deep-water zone without sunlight. Wetlands soak up flood waters and replenish groundwater. They include marshes with grasses and swamps with trees. Over time, a lake can fill in with sediment and transform into a forest. The ocean contains diverse ecosystems shaped by temperature, depth, and sunlight. It has zones like intertidal, neritic, oceanic, and benthic that support different life.
Freshwater Ecosystems
Freshwater ecosystems include rivers, streams, lakes, ponds, and wetlands. They make up a small fraction of the Earth's total water but support a diversity of habitats and species. Rivers and streams flow with cold, oxygen-rich water and can broaden and slow downstream. Lakes and ponds differ in size, with ponds being smaller and sometimes seasonal. Wetlands, including marshes and swamps, act as filters to clean water and protect shorelines from erosion. Freshwater ecosystems face threats from pollution and development.
Fresh water
The document discusses the water cycle and distribution of water on Earth. Most (97%) of Earth's water is saltwater found in oceans. The remaining 3% is freshwater, with 76% bound up as ice in glaciers and ice sheets and less than 1% available for human use. Water is constantly circulated through the water cycle, driven by energy from the sun. In the cycle, water evaporates from oceans and land into the atmosphere, forms clouds, and falls back to the Earth's surface as precipitation like rain or snow.
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Freshwater ecosystem
in this power point i have given the overview of freshwater ecosystem and covered mainly three type of ecosystem i.e lentic ecosystem, lotic ecosystem and wetlands.
Limnology powerpoint presentation
The document introduces limnology as the study of inland waters, including their physical, biological, and chemical aspects. It notes there are three main branches: physical limnology covers properties like water movement and basin geology. Biological limnology focuses on photosynthesis and productivity. Chemical limnology examines inorganic and organic compounds. The document provides examples of limnology studies on lakes, noting their formation, depth, residence time, zones, and trophic classification. It outlines the importance of limnology for conservation and understanding impacts of changes to watersheds.
Lotic
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Freshwater ecosystems include streams, rivers, ponds, lakes, and wetlands. Streams join to form larger rivers. Ponds and lakes have three zones - a littoral zone near shore with plants, an open-water zone where sunlight reaches, and a deep-water zone without sunlight. Wetlands soak up flood waters and replenish groundwater. They include marshes with grasses and swamps with trees. Over time, a lake can fill in with sediment and transform into a forest. The ocean contains diverse ecosystems shaped by temperature, depth, and sunlight. It has zones like intertidal, neritic, oceanic, and benthic that support different life.
Freshwater Ecosystems
Freshwater ecosystems include rivers, streams, lakes, ponds, and wetlands. They make up a small fraction of the Earth's total water but support a diversity of habitats and species. Rivers and streams flow with cold, oxygen-rich water and can broaden and slow downstream. Lakes and ponds differ in size, with ponds being smaller and sometimes seasonal. Wetlands, including marshes and swamps, act as filters to clean water and protect shorelines from erosion. Freshwater ecosystems face threats from pollution and development.
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This document defines and describes different types of freshwater habitats. It identifies lentic habitats as calm standing water and lotic habitats as running water. Major freshwater habitats include lakes, ponds, rivers, streams, springs, and wetlands. The document also discusses the thermal stratification of lakes and classifies four types of lakes: oligotrophic, eutrophic, mesotrophic, and hypereutrophic.
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The document stratifies different aquatic biomes as follows:
1. Freshwater biomes include ponds, lakes, streams and rivers. Ponds and lakes are divided into littoral, limnetic and profundal zones. Streams and rivers have headwaters, middle sections and mouths.
2. Transitional waters between freshwater and saltwater include estuaries and wetlands. Wetlands are divided into mineral soil and organic soil types. Estuaries have four formation types.
3. Marine biomes include the intertidal zone, neritic zone, oceanic zone and benthic zone. The intertidal zone is the area between high and low tide lines with changing conditions
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Freshwater ecosystem (2)
Freshwater ecosystems include lakes, ponds, rivers, streams, springs, and wetlands. There are two main types - lentic ecosystems, which are standing bodies of water, and lotic ecosystems, which are running water. Lentic ecosystems can be further divided into zones based on depth and vegetation. Lotic ecosystems have rapid zones with strong currents and pool zones with slower currents. Wetlands are areas that are periodically saturated or flooded with shallow water and support unique plant and animal communities. Forested wetlands include swamps and floodplain forests while tidal freshwater marshes occur along estuaries. Freshwater ecosystems provide important resources but occupy a small area globally.
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Estuaries-Where River meets the sea.
Estuaries are coastal bodies of water where freshwater from rivers meets and mixes with saltwater from the sea. They exist in a transitional zone where tidal effects and freshwater inputs influence the environment. Estuaries come in different forms depending on their geological origin and range from coastal plain and bar-built systems to tectonic and fjord-type estuaries. India has many economically and ecologically important estuaries located mainly along its eastern coastline that are threatened by pollution, development, and other human impacts.
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Wetlands are defined as lands covered with water all or part of the year. They are characterized by three factors: hydrology, hydric soils, and hydrophytic vegetation. Wetlands provide many benefits including pollutant filtration, flood control, habitat provision, and biological productivity. However, over 50% of the world's original wetlands have been lost due to human activities like development, agriculture, and pollution. This has negative environmental consequences like increased flooding and loss of biodiversity. India contains many types of wetlands, but they cover only an estimated 3% of the country's land area. Conservation efforts aim to protect remaining critical wetlands and involve local communities.
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This document discusses stratification in lakes. It describes how lakes are vertically divided into three layers - the epilimnion on top which is mixed by wind, the metalimnion in the middle where temperature drops rapidly, and the hypolimnion on the bottom which remains cool and unaffected by wind. It also explains how the stability of this stratification depends on the energy required to uniformly mix the layers, and discusses differences between eutrophic and oligotrophic lakes in terms of biomass, diversity, and water quality.
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Coral reefs are formed by coral polyps, which are small marine invertebrates related to jellyfish and anemones. Coral polyps secrete calcium carbonate to build protective structures called coralites. Over time, the accumulation of coralites forms three types of reef structures: fringing reefs near shorelines, barrier reefs separated from shorelines by lagoons, and atolls surrounding central lagoons. Coral reefs provide habitat for many species but are threatened by rising water temperatures and pollution.
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Freshwater biomes include ponds, lakes, and rivers. Plants typically grow along the edges of freshwater bodies, which have a surface temperature that matches the air but get colder with depth, with the bottom layer not receiving sunlight and averaging 4-8 degrees C. Some ponds are seasonal, filling only during rainy times of year. Freshwater lacks waves and has a bottom covered in mud.
Freshwater
Freshwater ecosystems include lakes, ponds, rivers and streams. Lakes are large bodies of freshwater surrounded by land, while ponds are smaller. Lake Baikal contains about one fifth of the world's freshwater. Rivers and streams are moving bodies of freshwater that originate in mountains and flow into oceans. Plants in freshwater ecosystems provide oxygen through photosynthesis and food for animals. Many animals live in freshwater ecosystems, with some adapted to fast moving waters and others to still waters. People rely on freshwater ecosystems for drinking water, energy, transportation, recreation and jobs like fishing.
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Aquatic biomes
There are two main types of aquatic biomes: freshwater and marine. Freshwater biomes include lakes, ponds, rivers, streams, and wetlands. Marine biomes include oceans, coral reefs, and estuaries. Both freshwater and marine biomes can be physically stratified based on variables like light, temperature, and nutrients. Primary productivity in aquatic ecosystems is limited by available light, nutrients, and temperature, with nutrients often being the limiting factor for growth.
Freshwater ecosystem
This document defines and describes different types of freshwater habitats. It identifies lentic habitats as calm standing water and lotic habitats as running water. Major freshwater habitats include lakes, ponds, rivers, streams, springs, and wetlands. The document also discusses the thermal stratification of lakes and classifies four types of lakes: oligotrophic, eutrophic, mesotrophic, and hypereutrophic.
Freshwater Ecology
Freshwater ecology is the study of freshwater ecosystems and their organisms. Freshwater habitats can be classified as lentic, such as lakes and ponds, or lotic, such as rivers and streams. Lentic habitats are characterized by still water while lotic habitats have flowing water. Organisms in freshwater ecosystems are limited by factors like temperature, current, transparency, gas and nutrient concentrations, and inhabit zones based on their mode of life such as benthic, planktonic, or nektonic.
Chapter 19.2: Aquatic Ecossytems
Grade 8 Integrated Science Chapter 19 Lesson 2 on different aquatic ecosystems. This lesson gives short defining characters of freshwater, ocean, wetland, and estuary ecosystems. Freshwater ecosystems include river, streams, lakes, and ponds. The ocean section describes the open ocean, coastal ocean, and coral reefs. There is also a short section about intertidal zones and layers of the open ocean. The objective of the lesson is that students should be able to identify defining characteristics of each ecosystem and be able to compare and contrast.
stratification of water environments -
The document stratifies different aquatic biomes as follows:
1. Freshwater biomes include ponds, lakes, streams and rivers. Ponds and lakes are divided into littoral, limnetic and profundal zones. Streams and rivers have headwaters, middle sections and mouths.
2. Transitional waters between freshwater and saltwater include estuaries and wetlands. Wetlands are divided into mineral soil and organic soil types. Estuaries have four formation types.
3. Marine biomes include the intertidal zone, neritic zone, oceanic zone and benthic zone. The intertidal zone is the area between high and low tide lines with changing conditions
Coral reefs theory, types, formation
Coral reefs are built from the limestone skeletons of stony corals and cover around 100,000 square miles globally. They are located in shallow, tropical waters and grow gradually as coral polyps multiply and their skeletons accumulate. There are three main types of reefs - fringing reefs adjacent to land, barrier reefs separated from land by lagoons, and atolls which are ring-shaped reefs surrounding a central lagoon. Reefs support tremendous biodiversity but are threatened by human impacts like pollution, coastal development, overfishing, and climate change which can cause coral bleaching or increase ocean acidification.
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The document summarizes key aspects of ocean water including its unique properties, states, heat absorption, role as a solvent, and composition of seawater. It also discusses ocean circulation patterns driven by wind and thermohaline circulation, as well as waves and tides. Surface currents are formed through wind patterns and deflected by the Coriolis effect, while deep circulation is driven by water density variations from temperature and salinity changes.
Aquatice-Ecosystem-PPT.pdf
An aquatic ecosystem is a water-based environment that supports significant biological activity. There are several types of aquatic ecosystems including freshwater systems like lakes and rivers, groundwater, brackish water, and marine environments. Aquatic ecosystems provide important services like water purification, biodiversity, and breeding grounds for many species. Key factors that determine the organisms in an aquatic ecosystem include temperature, sunlight, oxygen, and nutrients. Plankton, nekton, and benthos are the main groups of aquatic organisms. Natural and human-caused changes can impact aquatic ecosystems, such as eutrophication from excess fertilizer runoff.
Rivers and streams
Streams are smaller bodies of water with a current, while rivers are larger. They are part of a watershed - the area where all water drains. Streams join to form rivers and eventually drain into oceans, lakes, or other bodies of water. Rivers and streams have upper, middle, and lower courses. Organisms in rivers and streams have adaptations like streamlined bodies to deal with currents. Human impacts like dams, channelization, and urbanization disrupt natural river flows and habitats.
Freshwater ecosystem (2)
Freshwater ecosystems include lakes, ponds, rivers, streams, springs, and wetlands. There are two main types - lentic ecosystems, which are standing bodies of water, and lotic ecosystems, which are running water. Lentic ecosystems can be further divided into zones based on depth and vegetation. Lotic ecosystems have rapid zones with strong currents and pool zones with slower currents. Wetlands are areas that are periodically saturated or flooded with shallow water and support unique plant and animal communities. Forested wetlands include swamps and floodplain forests while tidal freshwater marshes occur along estuaries. Freshwater ecosystems provide important resources but occupy a small area globally.
Marine ecosystem
The document summarizes several marine ecosystems. It describes how oceans cover 70% of the Earth's surface and include shorelines like tidal flats and mangrove forests. Specific ecosystems are found around the world, depending on climate and geography. These include coral reefs, estuaries, salt marshes, mangrove forests, and the deep sea. Salt marshes are coastal wetlands flooded by tides that are dominated by salt-tolerant grasses. The intertidal zone is the shore area above and below the water line during tides, containing habitats for starfish and coral. Mangroves are salt-tolerant trees adapted to harsh coastal conditions.
Estuaries-Where River meets the sea.
Estuaries are coastal bodies of water where freshwater from rivers meets and mixes with saltwater from the sea. They exist in a transitional zone where tidal effects and freshwater inputs influence the environment. Estuaries come in different forms depending on their geological origin and range from coastal plain and bar-built systems to tectonic and fjord-type estuaries. India has many economically and ecologically important estuaries located mainly along its eastern coastline that are threatened by pollution, development, and other human impacts.
Wetland Ecosystems
The document discusses different types of wetland ecosystems, including marine/saltwater wetlands and freshwater wetlands. It describes key characteristics of different wetland types such as marshes, swamps, and bogs, including dominant vegetation, hydrology, and examples from locations in Delaware and Maine. The document also briefly discusses mangrove forests and questions to consider about the importance of wetlands.
Lakes
Lakes are inland bodies of fresh water formed in depressions on the land surface. They are found all over the world but are most common in high latitude and mountainous regions. Lakes form through processes such as glacial erosion and deposition, shifts in the Earth's crust, volcanic activity, and landslides. Lakes stratify into layers based on water temperature and density. In temperate lakes, seasonal changes cause the layers to mix, replenishing oxygen levels. Lakes support a variety of plant and animal life adapted to different depths and oxygen conditions. Human activities can negatively impact lakes through pollution, development, and other disturbances.
Estuaries
A presentation for Marine Biology about Estuaries which includes its origin, classifications, types, physical characteristics, ecosystems, and human impact. Examples of estuaries are also included in this presentation.
Estuaries
Estuaries are partially enclosed coastal bodies of water where freshwater from rivers and streams mixes with saltwater from the ocean. They are highly productive environments that support many species of plants and animals adapted to the transition between fresh and salt water. Estuaries come in four types depending on their formation: coastal plain, tectonic, bar-built, and fjords. They provide important ecological, economic, and environmental benefits but are threatened by increasing development and pollution from coastal populations.
Wetlands bp
Wetlands are defined as lands covered with water all or part of the year. They are characterized by three factors: hydrology, hydric soils, and hydrophytic vegetation. Wetlands provide many benefits including pollutant filtration, flood control, habitat provision, and biological productivity. However, over 50% of the world's original wetlands have been lost due to human activities like development, agriculture, and pollution. This has negative environmental consequences like increased flooding and loss of biodiversity. India contains many types of wetlands, but they cover only an estimated 3% of the country's land area. Conservation efforts aim to protect remaining critical wetlands and involve local communities.
Freshwater biomes
Freshwater biomes can be characterized by their salt concentration, links to surrounding terrestrial environments, and water flow patterns. Lakes and ponds are bodies of standing freshwater that can be classified as oligotrophic, mesotrophic, or eutrophic depending on their nutrient levels. Rivers and streams transport water from headwaters to mouths, with zones that change from clear and rocky to wider and silty based on elevation and sediment load. Wetlands are rich freshwater habitats that support hydrophytic plants like marshes, swamps, and bogs.
Lake
This document discusses stratification in lakes. It describes how lakes are vertically divided into three layers - the epilimnion on top which is mixed by wind, the metalimnion in the middle where temperature drops rapidly, and the hypolimnion on the bottom which remains cool and unaffected by wind. It also explains how the stability of this stratification depends on the energy required to uniformly mix the layers, and discusses differences between eutrophic and oligotrophic lakes in terms of biomass, diversity, and water quality.
Coral Reef Ecosystem - Background Information
Coral reefs are formed by coral polyps, which are small marine invertebrates related to jellyfish and anemones. Coral polyps secrete calcium carbonate to build protective structures called coralites. Over time, the accumulation of coralites forms three types of reef structures: fringing reefs near shorelines, barrier reefs separated from shorelines by lagoons, and atolls surrounding central lagoons. Coral reefs provide habitat for many species but are threatened by rising water temperatures and pollution.
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Water biome freshwater
Freshwater biomes include ponds, lakes, and rivers. Plants typically grow along the edges of freshwater bodies, which have a surface temperature that matches the air but get colder with depth, with the bottom layer not receiving sunlight and averaging 4-8 degrees C. Some ponds are seasonal, filling only during rainy times of year. Freshwater lacks waves and has a bottom covered in mud.
Freshwater
Freshwater ecosystems include lakes, ponds, rivers and streams. Lakes are large bodies of freshwater surrounded by land, while ponds are smaller. Lake Baikal contains about one fifth of the world's freshwater. Rivers and streams are moving bodies of freshwater that originate in mountains and flow into oceans. Plants in freshwater ecosystems provide oxygen through photosynthesis and food for animals. Many animals live in freshwater ecosystems, with some adapted to fast moving waters and others to still waters. People rely on freshwater ecosystems for drinking water, energy, transportation, recreation and jobs like fishing.
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Marine Biomes
Marine biomes make up the largest percentage of aquatic biomes on Earth and involve a medium to high percentage of salt in the water. They include oceans, coral reefs, and estuaries. Coral reefs are usually found in shallow, warm waters and are important for controlling carbon dioxide levels and protecting coasts from strong currents. Estuaries involve both freshwater and salt water, protecting water quality while serving as centers of coastal communities. Marine biomes contribute substantially to global oxygen production and carbon dioxide absorption.
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This document provides information about temperate grasslands, including their location, climate, characteristic plants and animals, nutrient and energy flows, primary and secondary succession, human impacts, and conservation efforts. Temperate grasslands are located between 23.5 degrees latitude in North America, South America, Africa, and Eurasia. They experience hot summers and cold winters, with precipitation between 10-35 inches annually. Common plants include clovers, oaks, and blazing stars, while animals include bison, coyotes, prairie dogs, and wolves. Humans have negatively impacted grasslands through overhunting, agriculture, and climate change, but some countries are now establishing protected areas and restoration projects.
Grassland
Grasslands have different climates depending on location but all have deep-rooted grasses and few trees. Tropical grasslands are hot and wet while temperate grasslands experience seasons with hot summers and cold winters. Grasslands support various animals like wildcats, elephants, kangaroos, badgers, and more depending on the region.
Science biome project
This document summarizes key aspects of temperate rainforests. It outlines important abiotic factors like sunlight, precipitation, climate, and soil. It then lists common plant and animal species found in these forests, including big coniferous trees, deciduous trees, mosses, lichens, and animals like deer, bears, birds, fish and more. The document also discusses the climate, world distribution, threats like bioaccumulation, invasive species, energy flow, symbiosis, succession, and predator-prey relationships of temperate rainforests.
Biomes powerpt
This document lists 9 different biomes: tundra, grassland, temperate, deciduous forest, rainforest, freshwater, marine, desert, and taiga. It provides a high-level overview of the major terrestrial and aquatic biomes without details about each one.
Temperate Rainforest
This document provides classifications for different levels of extinction risk and describes the characteristics of several different animal species. It lists categories for extinction risk such as extinct, critically endangered, endangered, vulnerable, and least concern. It then provides details about size, lifespan, habitat, diet, and other traits for various species including red pandas, black bears, bobcats, spotted salamanders, raccoons, chipmunks, and others.
Temperate grasslands PERIOD 4
Temperate grasslands are located between the Tropics and include prairies, steppes, and pampas. They have hot summers and cold winters with 10-35 inches of annual precipitation. The soil is nutrient-rich due to deep grass roots. Characteristic plants include grasses like needlegrass and foxtail grass that support herbivores like bison and deer, which are preyed on by carnivores like cheetahs and badgers. Humans have converted much of the land to agriculture, damaging the ecosystem, but conservation efforts include restricting development and restoring degraded areas.
aquatic animals
Aquatic animals live in water for all or most of their lives. They breathe either through gills or directly through their skin. Fish live in water and breathe by taking water into their mouths and passing it over their gills to extract oxygen. Marine habitats are home to seaweeds, sea grasses, and mangroves, while freshwater habitats include lakes, rivers, and streams that are home to many animal species around the world. Coastal habitats also provide home to various species where land meets the sea, such as beaches, rock pools, estuaries, and mangroves.
Tropical dry forest
The tropical dry forest biome is located between the equator and the Tropic of Cancer, stretching along the coastal Pacific region of central America in countries like northwest Costa Rica. The climate is hot with average annual rainfall of 130cm mostly between May and September. There are four distinct seasons with average annual temperatures of 25 degrees Celsius. The biome is home to many unique plants and animals and plays an important role in maintaining carbon dioxide and oxygen levels while also producing important resources for humans like fiber, resins, fruits, and traditional medicines.
Temperate Grassland
The temperate grassland biome is found in several locations around the world including North America, Eurasia, and South America. It has dark, nutrient-rich soil and the climate features hot summers with temperatures over 100 degrees Fahrenheit and rainfall averaging 20-35 inches annually. Common grasses in temperate grasslands include purple needle grass, wild oats, foxtail, ryegrass, and buffalo grass, and the primary herbivores are ungulates like bison, antelope, and deer.
Temperate deciduous forest PERIOD 3
The document describes the temperate deciduous forest biome. Key points include:
- Locations include eastern North America, Europe, and parts of Asia.
- Trees are deciduous and lose their leaves seasonally. Diversity of plants and animals depends on leaf loss.
- Humans have heavily impacted these forests through deforestation for agriculture, grazing, and lumber. While some areas faced little conservation historically, protected areas now exist in Russia, the US, and other regions.
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Biomes ecology
The document describes the major biomes found on Earth, including aquatic and terrestrial biomes. It provides details on the defining characteristics, climates, soils, and common plant and animal species found in freshwater, marine, desert, grassland, forest, tundra and other biomes. Biomes are grouped based on whether they are primarily aquatic or terrestrial, and further broken down by specific biome type within those groups.
Biomes ecology
The document describes several major biomes including aquatic and terrestrial biomes. The aquatic biome includes freshwater regions like ponds, lakes, streams, rivers and wetlands as well as marine regions like oceans, coral reefs, and estuaries. Terrestrial biomes described include deserts, chaparral, savannas, temperate grasslands, temperate rain forests, tropical rain forests, temperate deciduous forests, taiga, and tundra. Each biome is characterized by its climate, soil, and dominant plant and animal species.
Aquatic ecosystem
The document discusses various types of aquatic ecosystems including freshwater ecosystems like ponds, lakes, streams, rivers, and wetlands as well as marine ecosystems like oceans, coral reefs, and estuaries. It provides details on the characteristics of each ecosystem, describing factors like temperature, salinity, species diversity, food webs, and zones. It also discusses threats to these ecosystems from human activities like pollution, development, fishing, and climate change.
wetland
Wetlands are areas of land where water covers the soil for most or all of the time. They provide flood control, improve water quality by filtering pollutants, and serve as important habitats. There are four main types of wetlands: marshes with shallow water and grassy plants, swamps with deeper water and woody trees and shrubs, and bogs and fens which are freshwater peatlands. Wetlands play key roles in flood control, coastal protection, groundwater recharge, sediment trapping, and intercepting pollution.
21. Agroecology and natural ecosystem A Presentation By Mr. Allah Dad Khan V...
The document discusses several types of natural ecosystems. It describes tropical rainforests as having the greatest diversity of plant and animal life, with tall trees competing for sunlight in the dense vegetation. Temperate forests typically contain deciduous and coniferous trees. Taiga ecosystems, also called boreal forests, are located in northern regions and consist mainly of pine and spruce trees. Grasslands contain wide open expanses often inhabited by grazing animals, and include savannas, prairies, and steppes. Desert ecosystems are characterized by sparse vegetation and limited animal life. Tundra ecosystems are frozen for most of the year but support lichens and small flowers in the brief summer. Coral reefs support a quarter
WETLANDS
Wetlands are... areas where a water table is at, near, or just above the surface
and where soils are water-saturated for a sufficient length of time such that excess
water and resulting low soil oxygen levels are principal determinants of vegetation
and soil development. wetlands will have a relative abundance of obligate
hydrophytes in the vegetation community and soils featuring “hydric” characteristics.
Types of Ecosystem.pptx khiuuhjknm,nmnm.
This document describes and compares various aquatic and terrestrial ecosystems. It discusses 10 different types of natural ecosystems: tropical rainforests, taiga forests, temperate forests, tundra, shrublands, lentic (still water) ecosystems like lakes, deserts, grasslands, littoral shoreline ecosystems, and lotic (moving water) ecosystems like rivers. Each ecosystem is defined and an example is typically provided. The key differences between lentic and lotic ecosystems are also summarized, with lentic involving standing bodies of water that may have layered communities, while lotic involves flowing water that transports gases, sediments and has temperature changes along its course.
Marine and coastal ecosystems
Marine and coastal ecosystems are diverse and complex systems. The marine ecosystem is the largest ecosystem on Earth, covering over 70% of the planet's surface. It contains a variety of habitat types, from coral reefs and kelp forests to deep sea and open ocean environments. Coastal ecosystems like mangroves, sandy shores, and estuaries exist at the interface between land and sea. These ecosystems support a high level of biodiversity but are threatened by rising sea levels and ocean acidification due to climate change. Careful management is needed to protect these important ecosystems.
aquaticbiome.ppt
This document summarizes different aquatic biomes, including freshwater and marine ecosystems. It describes freshwater biomes like ponds and lakes, streams and rivers, and wetlands. It then outlines marine biomes such as oceans, coral reefs, and estuaries. Specific details are provided on the characteristics of different zones within aquatic ecosystems, like the littoral, limnetic, and profundal zones of ponds and lakes, and the intertidal, pelagic, benthic, and abyssal zones of oceans.
Chapter 4 Water Resource
The document discusses various topics related to water resources on Earth. It begins by noting that clean water availability is a major concern due to contaminants affecting water quality. It then covers the water cycle, different types of water (freshwater and saltwater), water reservoirs like streams, lakes and wetlands, pollution issues, and laws protecting water bodies. Specific aspects of the hydrologic cycle, ocean currents, freshwater reserves in glaciers and permafrost, and aquatic organisms are also summarized.
Estuaries1.ppt
Estuaries are transitional zones where freshwater from rivers meets saltwater from the ocean. They are highly productive ecosystems that support a wide variety of life. Many estuaries were formed when sea levels rose after the last ice age, flooding river valleys. Organisms living in estuaries must cope with fluctuating salinity levels. Estuaries contain several distinct communities including open water, mudflats, salt marshes, and mangrove forests. However, human activities like dredging and development have damaged many estuaries globally.
Estuaries1.ppt
Estuaries are transitional zones where freshwater from rivers meets saltwater from the ocean. They are highly productive ecosystems that support a wide variety of life. Many estuaries were formed when sea levels rose after the last ice age and flooded river valleys. Estuaries vary in type and size but all experience fluctuations in salinity from the mixing of fresh and salt water. Organisms living in estuaries have adapted strategies for coping with changing salinity levels. Common estuarine communities include open water, mudflats, salt marshes, and mangrove forests. However, many estuaries are being degraded or destroyed by human activities like dredging, filling, and pollution.
Types of Ecosystem
Types of Ecosystem- Introduction,Forest Ecosystem, Grassland Ecosystem, Desert Ecosystem, Freshwater Ecosystem, Marine Ecosystem
Habitat of the living
This document provides information about different types of habitats and ecosystems. It discusses forests, tropical forests, temperate forests, boreal forests, grasslands, deserts, mountains, polar regions, aquatic habitats, freshwater habitats, marine habitats, coastal habitats, estuaries, coral reefs, and how plants and animals adapt to their environments. Pictures are included to illustrate each habitat type. The document also covers animal adaptations like camouflage, migration, hibernation, and how plants and animals depend on each other.
Scienceprojectwork
This document discusses different habitats and the animals that live in them. It begins by describing grasslands, noting that they lack trees and have an open landscape, making them home to large herding animals. It then discusses aquatic habitats, describing the variety of salinity levels and currents found in different aquatic environments. The document defines aquatic habitat and explains how fish rely on specific habitats to survive and complete their lifecycles. It also describes mountain region habitats, noting the cold temperatures and thick fur of animals there. Finally, it discusses desert habitats and the adaptations animals have, like camels' ability to go long periods without water, to survive the extreme heat and lack of water in deserts.
Aquatic ecosystemsppt
There are several types of aquatic ecosystems including freshwater ecosystems like lakes, rivers, and wetlands as well as marine ecosystems. Aquatic ecosystems are important as they support biodiversity, provide breeding grounds, act as buffer systems, and are part of the water cycle. They can be altered by both natural processes like succession over time as well as human impacts like water pollution, excessive fertilizer use, industrial waste, and other forms of waste disposal.
Estuarine systems
The Estuarine System consists of deepwater tidal habitats and adjacent tidal wetlands that are usually semienclosed by land but have open, partly obstructed, or sporadic access to the open ocean, and in which ocean water is at least occasionally diluted by freshwater runoff from the land. The salinity may be periodically increased above that of the open ocean by evaporation. Along some low-energy coastlines there is appreciable dilution of sea water. Offshore areas with typical estuarine plants and animals, such as red mangroves (Rhizophora mangle) and eastern oysters (Crassostrea virginica), are also included in the Estuarine System.
aquaticbiome.ppt
This document summarizes different aquatic biomes, including freshwater and marine ecosystems. It describes freshwater biomes like ponds, lakes, streams, rivers, and wetlands. It then discusses marine biomes like oceans, coral reefs, and estuaries. For each biome, it provides details on defining characteristics, species diversity, and ecological zones.
Animals habitat
Habitats are places where animals live and meet their needs. There are two main types of habitats - land and water. Each habitat shares climate, geography, soil and plant life that affect the animals living there. The document describes several specific habitats - deserts, forests, grasslands, tundra, freshwater and saltwater. Each habitat is defined and examples are given of animal species that have adapted to live in those environments.
Aquatic ecosystem and water pollution
Aquatic ecosystems can be freshwater like lakes, rivers, and wetlands, or marine water like oceans. They contain a variety of organisms adapted to different zones based on factors like sunlight, temperature, and oxygen levels. Aquatic ecosystems are important for biodiversity, breeding grounds, and being part of the water cycle, but are threatened by pollution, nutrient runoff, and other human impacts that can cause eutrophication and loss of species. Proper management of fertilizers, waste, and industrial discharges is needed to protect these fragile environments.
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校徽：象征着学校的荣誉和传承。
校名:学校英文全称
授予学位：本部分将注明获得的具体学位名称。
毕业生姓名：这是最重要的信息之一，标志着该证书是由特定人员获得的。
颁发日期：这是毕业正式生效的时间，也代表着毕业生学业的结束。
其他信息：根据不同的专业和学位，可能会有一些特定的信息或章节。
办理(McGill毕业证书)麦吉尔大学毕业证【微信：6496090 】价值很高，需要妥善保管。一般来说，应放置在安全、干燥、防潮的地方，避免长时间暴露在阳光下。如需使用，最好使用复印件而不是原件，以免丢失。
综上所述，办理(McGill毕业证书)麦吉尔大学毕业证【微信：6496090 】是证明身份和学历的高价值文件。外观简单庄重，格式统一，包括重要的个人信息和发布日期。对持有人来说，妥善保管是非常重要的。
MISS TEEN LUCKNOW 2024 - WINNER ASIYA 2024
In the dynamic city of Lucknow, known for its wealthy social legacy and authentic importance, a youthful star has developed, capturing the hearts of numerous with her elegance, insights, and eagerness. Asiya, as of late delegated as the champ from Lucknow for Miss Youngster India 2024 by the DK Pageant, stands as a confirmation of the monstrous ability and potential dwelling inside the youth of India. This exceptional young lady is a signal of excellence and a paragon of devotion and aspiration.
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一比一原版塔夫斯大学毕业证Tufts成绩单一模一样
原件一模一样【微信：6496090】【塔夫斯大学毕业证Tufts学位证成绩单】【微信：6496090】（留信学历认证永久存档查询）采用学校原版纸张、特殊工艺完全按照原版一比一制作（包括：隐形水印，阴影底纹，钢印LOGO烫金烫银，LOGO烫金烫银复合重叠，文字图案浮雕，激光镭射，紫外荧光，温感，复印防伪）行业标杆！精益求精，诚心合作，真诚制作！多年品质 ,按需精细制作，24小时接单,全套进口原装设备，十五年致力于帮助留学生解决难题，业务范围有加拿大、英国、澳洲、韩国、美国、新加坡，新西兰等学历材料，包您满意。
【业务选择办理准则】
一、工作未确定，回国需先给父母、亲戚朋友看下文凭的情况，办理一份就读学校的毕业证【微信：6496090】文凭即可
二、回国进私企、外企、自己做生意的情况，这些单位是不查询毕业证真伪的，而且国内没有渠道去查询国外文凭的真假，也不需要提供真实教育部认证。鉴于此，办理一份毕业证【微信：6496090】即可
三、进国企，银行，事业单位，考公务员等等，这些单位是必需要提供真实教育部认证的，办理教育部认证所需资料众多且烦琐，所有材料您都必须提供原件，我们凭借丰富的经验，快捷的绿色通道帮您快速整合材料，让您少走弯路。
留信网认证的作用:
1:该专业认证可证明留学生真实身份【微信：6496090】
2:同时对留学生所学专业登记给予评定
3:国家专业人才认证中心颁发入库证书
4:这个认证书并且可以归档倒地方
5:凡事获得留信网入网的信息将会逐步更新到个人身份内，将在公安局网内查询个人身份证信息后，同步读取人才网入库信息
6:个人职称评审加20分
7:个人信誉贷款加10分
8:在国家人才网主办的国家网络招聘大会中纳入资料，供国家高端企业选择人才
→ 【关于价格问题（保证一手价格）
我们所定的价格是非常合理的，而且我们现在做得单子大多数都是代理和回头客户介绍的所以一般现在有新的单子 我给客户的都是第一手的代理价格，因为我想坦诚对待大家 不想跟大家在价格方面浪费时间
对于老客户或者被老客户介绍过来的朋友，我们都会适当给一些优惠。
选择实体注册公司办理，更放心，更安全！我们的承诺：可来公司面谈，可签订合同，会陪同客户一起到教育部认证窗口递交认证材料，客户在教育部官方认证查询网站查询到认证通过结果后付款，不成功不收费！
办理塔夫斯大学毕业证Tufts学位证【微信：6496090 】外观非常精致，由特殊纸质材料制成，上面印有校徽、校名、毕业生姓名、专业等信息。
办理塔夫斯大学毕业证Tufts学位证【微信：6496090 】格式相对统一，各专业都有相应的模板。通常包括以下部分：
校徽：象征着学校的荣誉和传承。
校名:学校英文全称
授予学位：本部分将注明获得的具体学位名称。
毕业生姓名：这是最重要的信息之一，标志着该证书是由特定人员获得的。
颁发日期：这是毕业正式生效的时间，也代表着毕业生学业的结束。
其他信息：根据不同的专业和学位，可能会有一些特定的信息或章节。
办理塔夫斯大学毕业证Tufts学位证【微信：6496090 】价值很高，需要妥善保管。一般来说，应放置在安全、干燥、防潮的地方，避免长时间暴露在阳光下。如需使用，最好使用复印件而不是原件，以免丢失。
综上所述，办理塔夫斯大学毕业证Tufts学位证【微信：6496090 】是证明身份和学历的高价值文件。外观简单庄重，格式统一，包括重要的个人信息和发布日期。对持有人来说，妥善保管是非常重要的。
MISS RAIPUR 2024 - WINNER POONAM BHARTI.
Poonam Bharti, a guide of ability and diligence, has been chosen as the champ from Raipur for Mrs. India 2024, Pride of India, from the DK Show. Her journey to this prestigious title is a confirmation of her commitment, difficult work, and multifaceted gifts. At fair 23 a long time ago, Poonam has as of now made noteworthy strides in both her proficient and individual lives, encapsulating the soul of present-day Indian ladies who adjust different parts with beauty and competence. This article dives into Poonam Bharti’s foundation, achievements, and qualities that separated her as a meriting champion of this award.
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Biomes freshwater
- 1. World Biomes Fresh water
- 2. Freshwater Rivers, Lakes, Wetlands streams ponds
- 3. Wetlands • Bogs, swamps, and marshes are wetlands. All wetlands have waterlogged soil. Bogs and swamps are flooded, but a marsh is wet only part of the year. Some wetlands are flooded with salty ocean water; others are covered with fresh water from rivers and lakes.
- 4. marsh swamp bog
- 5. Wetland distribution • Wetland biomes are found all over the world. They are often near lakes and rivers, but they also develop in sunken areas of grassy plains.
- 7. Wetland climate • Unlike some other biomes, wetlands do not have a characteristic climate. They exist in polar, temperate, and tropical zones, although usually not in deserts. However, they are very sensitive to changes in climate, such as a decrease in precipitation (rain, sleet, or snow). The amount of precipitation and changes in temperature affect the growth rate of wetland plants. Some wetlands are seasonal, which means that they are dry for one or more seasons of the year.
- 8. Wetland soil • Wetland soils are known for their wetness but they should also be known for their high organic content. Most wetland soils have a higher amount of organic material than terrestrial soils.
- 9. Wetland plants • More than 5,000 species of plants live in or near wetlands. Wetlands have high biological productivity (the rate at which life forms grow in a certain period of time). • The kinds of plants that may be found in a wetland are determined by several factors, especially the type of soil and the quantity of water. • Some plants grow only in water or extremely wet soil. Other plants need moist but not saturated soil. When a wetland dries up, the area fills with plants adapted to life in dry habitats and can survive where other wetland plants would wilt.
- 12. Animals • Wetlands have been called "biological supermarkets." Besides animals that live there permanently, many nonwetland animals visit for food and water. • Wetland conditions make it necessary for the animals that live there permanently to adapt in special ways.
- 14. Bittern Boat-billed Heron Snipe
- 16. Rivers • These are bodies of flowing water moving in one direction. Streams and rivers can be found everywhere —they get their starts at headwaters, which may be springs, snowmelt or even lakes, and then travel all the way to their mouths, usually another water channel or the ocean. The characteristics of a river or stream change during the journey from the source to the mouth.
- 18. Conditions in Rivers • The temperature is cooler at the source than it is at the mouth. The water is also clearer, has higher oxygen levels. • Towards the middle part of the stream/river, the width increases, as does species diversity—numerous aquatic green plants and algae can be found. • Toward the mouth of the river/stream, the water becomes murky from all the sediments that it has picked up upstream, decreasing the amount of light that can penetrate through the water. Since there is less light, there is less diversity of flora, and because of the lower oxygen levels, fish that require less oxygen.
- 19. River plants • In fast streams and rivers many plants have special structures that keep them from being carried away by the water. Some aquatic plants have strong roots that keep them anchored securely, while others have stems that bend easily with the movement of the water. Certain mosses are able to cling to rocks.
- 20. River plants Algae from Mississippi
- 21. River animals • In fast moving waters animals that have to hold onto rocks and the bottom may have suction-cup like structures on their bodies.
- 22. Anaconda and Cayman Black River Turtle
- 24. Lakes • These regions range in size from just a few square meters to thousands of square kilometres. Scattered throughout the Earth. Many ponds are seasonal, lasting just a couple of months while lakes may exist for hundreds of years or more. Ponds and lakes may have limited species diversity since they are often isolated from one another and from other water sources like rivers and oceans.
- 26. Conditions in Lakes • The zone, which is closet to the shore is host to a wide variety of species due to its warm, shallow environment. Various species of invertebrates, crustaceans, plants and amphibians thrive in this environment, and in turn provide food for predators such as birds, reptiles and other creatures inhabiting the shoreline. • The open water near the surface of a lake or pond, is home to a variety of phytoplankton, and zooplankton, which play an important role in the food chain. Several species of freshwater fish such as bass and lake trout can also be found this area, mainly feeding on insects and plankton. • The deeper region of a lake is shrouded in darkness, and serves as a repository for dead plankton, and is inhabited by creatures which feed mostly on decaying organisms.
- 27. Lake plants • Underwater plants need to stay close to the water's surface so sunlight can reach them. Some freshwater plants, such as water lilies, grow flowers and leaves that float on the water's surface.
- 28. Victoria
- 29. Lake animals • Many types of animals live in ponds because they are not in danger of being swept away by a current. Insects, birds, turtles, frogs, and fish are some of the animals you can find in ponds and lakes. • In regions with colder climate some animals have to hibernate during winter.
- 32. People I • Without freshwater biomes we would not be alive. Freshwater ecosystems are important because they provide us water for drinking; energy and transportation. • Dams may provide pollution-free energy, and create lakes for people to enjoy, but they can also damage the environment. Salmon are a species that use rivers to spawn, and are often hurt by dams. • Wetlands are also an important type of freshwater ecosystem. They may be soggy and stinky, but they provide critical habitat for tons of plants and animals, help clean our water, control floods, and provide food for humans. • By fertilizing the lawn with chemicals and allowing our cars to drip nasty oils and fluids we are polluting freshwater biomes. The rain carries these pollutants into rivers, streams, lakes and ponds.
- 33. People II
- 34. River dam