Nutrient Cycle
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The document presents a model of the mineral nutrient cycle in different ecosystems. It uses circles of different sizes and thick arrows to represent the relative amounts of nutrients stored and transferred between biomass, litter, and soil. In taiga/coniferous forests, litter stores the largest amount of nutrients while biomass is low. Soil contains few nutrients due to leaching and slow decomposition of needle leaves. In tropical rainforests, biomass stores the most nutrients due to rapid growth, while litter storage is limited due to fast decomposition, and soil is nutrient-rich but prone to leaching.
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Ecosystems 3 Nutrient Cycle
Nutrient cycles describe the movement of nutrients through biotic and abiotic components of ecosystems. Nutrients are absorbed by plants and animals from the environment, enter the soil through decaying matter, and are recycled through uptake by plants, decomposition, and other pathways. The rate and pathways of nutrient cycling vary between biomes, with forests generally having slower cycling than rainforests due to differences in climate and litter decomposition rates.
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2. Key processes mentioned include photosynthesis and respiration (carbon cycle), nitrogen fixation and denitrification (nitrogen cycle), rock weathering (phosphorus cycle), and the roles of various bacteria in transforming sulfur compounds (sulfur cycle).
3. Nutrient cycles involve the movement of elements between living organisms, soil, atmosphere, and water through biological and geological processes.
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Techniques for teaching children
Thank you for the detailed document on techniques for teaching children. Let me know if you need a summary.
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Major ecosystem
Types, structure, characteristics and components of of major ecosystem, Classification of ecosystem, Forest ecosystem, Grass ecosystem, Dessert ecosystem, Salt water ecosystem
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This document discusses the major types of ecosystems. It defines terrestrial ecosystems as land ecosystems like grasslands, deserts, and forests. Aquatic ecosystems are divided into freshwater ecosystems found in lakes, rivers, and wetlands, and marine ecosystems found in oceans. Some key points made are:
- Terrestrial ecosystems are differentiated based on dominant plant life and climate factors. Examples given are deserts, grasslands, and forests.
- Aquatic ecosystems include freshwater habitats like lakes and rivers, as well as marine habitats like coral reefs and coastal wetlands.
- Ecosystems maintain a balance and ecological succession between living and non-living elements. Human activities can disrupt this balance, threatening wildlife conservation
Chapter 4 Bio
The document discusses several key topics related to biogeochemical cycles and the biosphere:
- Water and carbon cycles are central to life as they cycle essential materials through ecosystems. Water is key to all life and cycles through evaporation, transpiration, and precipitation. Carbon cycles through photosynthesis, respiration, and is stored globally in rocks, oceans, soils, and the atmosphere.
- Biogeochemical cycles transfer necessary nutrients and materials, like nitrogen and carbon, to sustain life through geological and biological processes. Life requires matter and energy provided by these cycles.
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Biomes
This document provides information about different biomes. It defines a biome as a large ecosystem characterized by a certain climate and type of vegetation. It describes the key characteristics of 8 terrestrial biomes (rainforest, tundra, taiga, desert, temperate deciduous forest, grasslands) and 3 aquatic biomes (marine, oceans, freshwater). It also includes the locations of these biomes around the world and describes the student's chosen terrestrial biome of tropical rainforest and aquatic biome of coral reef in more detail.
Biomes
This document provides information about different biomes. It defines a biome as a large ecosystem characterized by a certain climate and type of vegetation. It describes the key characteristics of 8 terrestrial biomes (rainforest, tundra, taiga, desert, temperate deciduous forest, grasslands) and 3 aquatic biomes (marine, oceans, freshwater). It also includes the locations of these biomes around the world and describes the student's chosen terrestrial biome of tropical rainforest and aquatic biome of coral reef in more detail.
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Produced by Michael G, former colleague. Good outline of temperate grasslands, with some Google Earth images of the steppes.
Copy of Unit 6 Notes 1_ Climate_Biomes_Energy (1).pptx
Soil is important as it provides nutrients for plant growth, acts as a habitat for many organisms, and stores water for plants. Soil quality depends on factors like its nutrient content, texture, and ability to retain water. Threats to soil include erosion from overgrazing, poor farming practices, and damage from human activities, which can lead to soil degradation and loss of fertile land. Conservation methods aim to protect soil quality and prevent erosion, such as contour plowing, terracing, no-till farming, crop rotation, use of windbreaks, and controlling water runoff. The type of soil that forms is influenced by properties of the parent rock material and climatic factors like temperature and precipitation.
Eudece grasslands
Climate, parent material and soil, topography, and natural disturbances are the four major abiotic factors that influence grassland ecosystems. Climate, which includes temperature and precipitation patterns, is the most important factor determining grassland types. Grasslands occur in areas with varying temperatures and precipitation levels, from tropical regions with over 60 inches of rain annually to montane regions with under 30 inches. Topography such as elevation, slope and aspect also impact grassland ecosystems by affecting temperature, drainage and wildfire patterns. Natural disturbances like flooding and lightning-caused fires further contribute to grassland diversity.
Eudece grasslands
The document summarizes the key abiotic factors that influence grassland ecosystems, including climate, parent material and soil, topography, and natural disturbances. Climate, which includes rainfall, temperature, and wind patterns, is the most important factor determining grassland types. Grasslands occur in areas with varying temperatures and precipitation levels. Parent material and soil composition influence soil texture and nutrient availability. Topography such as elevation, slope, and aspect also impact grassland environments. Natural disturbances such as flooding and fires further contribute to grassland diversity.
Enriched advanced ecology notes 2020
The document defines key terms in ecology, including:
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- Ecosystem as a natural unit composed of living and non-living components whose interactions lead to a self-sustaining system.
- Biome as a large region characterized by distinct climate and life forms adapted to it, such as tropical rainforests, savannas, and tundra.
Abby (ecosystem) fkaching ... love u rommel gallido..haha !!
An ecosystem consists of the biological community and abiotic environment in a specific location. Major biomes include deserts, forests, grasslands, tundra, and aquatic ecosystems. Deserts are hot and dry or semi-arid, with specialized plants and animals. Grasslands include tropical, temperate, and cold varieties. Tundra is very cold with limited plant life. Aquatic ecosystems include marine environments covering most of Earth and freshwater ecosystems such as lakes, rivers, and wetlands.
Biosphere
The document summarizes the major biomes and ecological zones of Earth. It describes 13 different environments: biosphere, lithosphere, hydrosphere, atmosphere, temperature deciduous forest, coniferous forest, tropical forest, grassland, tundra, desert, inland waters, oceanic environments including rocky intertidal zone, rocky subtidal zone, nearshore soft sediments, deep-sea sediments, hydrothermal vents, and pelagic realm. Each environment is characterized by its climate, dominant plant and animal species, and ecological features.
Smd Qtr1 ecology
- Ecology is the scientific study of interactions between organisms and their environment (biotic and abiotic factors)
- Energy flows through ecosystems from sun to producers to consumers in a one-way direction
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Population Ecology
- Ecology is the scientific study of interactions between organisms and their environment (biotic and abiotic factors)
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- Ecosystems are influenced by both living (biotic) and non-living (abiotic) factors and constantly change over time in response to disturbances
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Soil is composed of minerals, organic matter, water and air. It supports plant growth by providing structure, water, air, nutrients and regulating temperatures. The three main types of soil are sandy soil, loamy soil, and clay soil. Sandy soil drains well but lacks nutrients, clay soil retains nutrients and water well but drains poorly, and loamy soil has a good balance. Plants require 17 essential nutrients which are classified as macronutrients or micronutrients based on their abundance. Deficiency symptoms vary by nutrient but include stunted growth, leaf discoloration, and reduced yields. Inorganic fertilizers are added to soils to supply nutrients and are classified as straight or complex based on the number of nutrients
Terrestrial ecosystem
its a presentation on the key aspects of Terrestrial Ecosystem. Its types, characters, soil horizon, soil microflora . Its curated specifically to help environmental microbiology students to ubderstand the key aspects of various Eco biomes . Hope it helps the students and faculties to grasp the knowledge and spread among people, the awareness to protect our precious Ecosystem .
Role of organic matter in maintenance of soil fertility
This document discusses the importance of soil organic matter. It states that soil organic matter affects chemical and physical soil properties and overall health. It is made up of living and dead biomass and humus. Soil organic matter content typically ranges from 1-6% and provides benefits like improved structure, water retention, and nutrient availability. Maintaining or increasing soil organic matter through practices like reduced tillage, cover crops, and reducing erosion can improve soil quality and sustainability.
biomes.......wild life
manzoor nabi
from ganderbal srinagar kmr
course:- forestry
in mewar university rajasthan
ph.. 09982826606
Soil biology and Biodiversity of Pakistan
This document provides an overview of soil biology and biodiversity in Pakistan. It defines soil and its basic components, including solid particles, air and water. It describes the different types of soils in Pakistan based on location and composition. The document discusses soil biology, including microorganisms like bacteria, fungi and actinomycetes that play important roles in decomposition. It also addresses soil health and biodiversity in Pakistan, noting the various ecosystems and protected areas that support rich biodiversity, though also face threats from activities like deforestation.
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Copy of Unit 6 Notes 1_ Climate_Biomes_Energy (1).pptx
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Abby (ecosystem) fkaching ... love u rommel gallido..haha !!
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Nutrient Cycle
- 2. Model of the mineral nutrient cycle Taiga: Temperate Coniferous Forest Selva: Tropical Rainforest