Natural Vegetation: Climate's Effect on Vegetation
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The document discusses how climate, specifically precipitation and temperature, influence vegetation growth. Higher precipitation levels of over 1000 mm/yr allow for more trees to grow, forming forests. Between 200-1000 mm/yr, grasslands dominate. In areas with precipitation of 250 mm/yr or less, desert or tundra vegetation is found because plants have insufficient water. Temperature also affects vegetation types in different climate zones.
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Tropical rainforest biomes
The tropical rainforest is a hot, moist biome where it rains all year long. It is known for its dense canopies of vegetation that form three different layers. The top layer or canopy contains giant trees that grow to heights of 75 m (about 250 ft) or more.
Tropical Rainforests Intro
Tropical rainforests are located near the equator where the climate is hot with high rainfall throughout the year. They have several distinct layers of vegetation including an emergent canopy layer of tall trees, a continuous main canopy layer, and layers of understory trees, shrubs, and herbaceous plants. The soil in rainforests is thin and nutrient-poor due to heavy leaching from the high rainfall. Rainforests are being destroyed at a rapid rate due to deforestation for logging, agriculture, and development which has negative consequences for global climate, biodiversity, and human communities.
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.
Life sciences lesson
This document discusses how climate affects biomes. It defines climate and biomes, and explains how temperature, precipitation, and other climate factors help determine the type of biome that exists in a given region. Specific climate conditions, like tropical vs. cold temperatures, and wet vs. dry conditions, influence the plants and other species able to survive in an area. The document then provides examples of different biomes in South Africa and how their climates shape the native vegetation and wildlife. It concludes by explaining how climate influences plant growth, soil quality, biodiversity, and which types of organisms can thrive in different climatic zones.
Assignment BBT 308 Tropical Plant Ecology
These slides are about rainforest biome and characteristics. It starts with the definition of rainforest, characteristics of tropical rainforest, the important roles, and functions of trees and rainforest, how do tropical forest affect climate and global climate and lastly the impact of climate change on tropical rainforest.
Terrestrial biomes
This document describes the major biomes of the world. It discusses tropical rainforests, temperate rainforests, temperate deciduous forests, taiga, tropical savannas, grasslands and prairies, deserts, tundra. For each biome it outlines the climate, plant and animal adaptations that allow organisms to thrive in each distinctive environment.
Rainforest biomes and characteristic
Rainforest biomes are characterized by high rainfall, warm temperatures, and rich biodiversity. They receive between 80-430 inches of rain annually and are located near the equator where temperatures range from 72-93 degrees Fahrenheit. This allows them to support numerous species - for example, a single hectare can contain over 480 tree species. Rainforests also have a distinct four layer canopy structure with the emergent, canopy, understory, and forest floor layers. They play an important role in regulating climate by absorbing carbon, releasing water vapor, and reducing temperatures.
Hot climates
The document describes four different climates: equatorial, humid tropical, dry tropical (savannah), and hot desert. The equatorial climate has high constant temperatures year-round, abundant rainfall, and luxuriant vegetation including very tall trees forming dense canopies. The humid tropical climate is similar but with less dense forests and smaller trees. The dry tropical/savannah climate has high temperatures, a long dry season and shorter rainy season, and features grasslands with scattered trees and bushes. The hot desert climate is defined by very high temperatures, low precipitation, and scarce vegetation that has adapted to drought conditions.
Caring for Our Forests with Climate in Mind
Climate change is affecting forests through variable weather, changes to water cycles, and shifts in tree species distributions. These impacts compound other threats like pests, diseases, and invasive species. To help forests adapt, landowners can take steps like protecting water and soil, controlling invasive plants, improving tree health, promoting diversity of tree species and sizes through management, considering future suitable species, managing deer browsing, monitoring impacts over time, and seeking professional advice. Uncertainty remains about future projections, but proactive management can help improve forests' defenses against unwanted changes.
Desert Biomes
Slide show describing desert biomes, climate and soil characteristics, plant and animal adaptations as well as human impacts.
Rainforests
Distribution of rainforests
Rainforest climate
Rainforest structure
How have rainforests adapted to the climate?
Why are rainforests importanat?
Causes of deforestation
Impacts of deforestation
How can the rainforests be managed for sustainable development?
Effect of Precipatation on Distribution of Plants.pptx
Useful for the students who wants to study this topic & enhances the knowledge for a specific topic.
PRECIPITATION:
is any product of the condensation of atmospheric water that falls under gravity from clouds.
The main forms of precipitation include drizzle, rain, sleet, snow, ice pellets, graupel and hail. Precipitation occurs when a portion of the atmosphere becomes saturated with water vapor (reaching 100% relative humidity), so that the water condenses and "precipitates". Thus, fog and mist are not precipitation but suspensions, because the water vapor does not condense sufficiently to precipitate.
Two processes, possibly acting together, can lead to air becoming saturated: cooling the air or adding water vapor to the air.
REASON FOR CHANGE IN PRECIPITATION: There are many reasons for changes in precipitation. The leading cause is a change in temperature. Many scientists believe an increase in temperature could lead to a more intense water cycle. The rates of evaporation from soils and water, as well as transpiration from plants, could increase. The amount of precipitation could also increase. Predicted changes in the water cycle differ according to the region of the planet being examined. Many scientists believe rates of evaporation will be greater than precipitation in the middle latitudes such as the United States. This could result in drier summers in these regions. Of course, predicted changes in the water cycle also differ according to the climate. EFFECT OF PRECIPITATION ON PLANTS: Precipitation, especially rain, has a dramatic effect on plants distribution. All plants need at least some water to survive, therefore rain (being the most effective means of watering) is important to agriculture. While a regular rain pattern is usually vital to healthy plants, too much or too little rainfall can be harmful, even devastating to crops. Drought can kill crops and increase erosion, while overly wet weather can cause harmful fungus growth. Plants need varying amounts of rainfall to survive. For example, certain cacti require small amounts of water, while tropical plants may need up to hundreds of inches of rain per year to survive. In areas with wet and dry seasons, soil nutrients diminish and erosion increases during the wet season.
DISTRIBUTION OF PLANTS IN DIFFERENT BIOMES: The geographical distribution (and productivity) of the plants in the various biomes is controlled primarily by the climatic variables precipitation and temperature. There are 8 major terrestrial biomes >Tropical Rain Forest >Tropical Savanna > Deserts >Grass Lands > Chaparral > Temperate Deciduous Forests > Temperate Boreal Forests > Artic And Alpine Tundra Each biome plants have different adaptation to survive in that environment.
Tundra means marshy plain. The geographical distribution of the tundra biome is largely poleward of 60° North latitude.
The tundra biome is characterized by an absence of trees, the presence of dwarf plants
Forests
Tropical rainforests are very dense, hot, and wet forests that receive over 2,000 mm of rain each year. They are havens for millions of plants and animals and generate much of the Earth's oxygen. Tropical rainforests have rain falling all year round, while temperate forests have one long wet and cold winter season and a dry warm summer, and experience a range of differences between day and night temperatures. The key differences between tropical and temperate rainforests include the types of plants and trees, animal life, amount of rainfall, and climate.
Rainforest biome and its characteristics
The document discusses the characteristics and importance of rainforests and how climate change impacts tropical forests. It outlines that rainforests have high precipitation, warm climates between the tropics, distinct canopy layers, and high biodiversity. Tropical forests store a large amount of the world's carbon and help regulate climate. Climate change is expected to significantly impact tropical forests through changes in weather patterns, temperature, rainfall and sea level rise. This could damage many tropical forest ecosystems.
Biomes.ppt
Climate is affected by two main factors: sunlight and precipitation. Climate determines the type of biome, or biological community, in a region. The tropical rainforest biome occurs near the equator where there is abundant sunlight and precipitation. The desert biome occurs at 30 degrees latitude where there is ample sunlight but little precipitation. There are six main terrestrial biomes - tundra, taiga, temperate forest, grasslands, tropical rainforest and desert - as well as freshwater, marine and estuary aquatic biomes. Students will work in groups to research and present on a biome of their choice.
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2011 year 8 geography - rainforests - deforestation
2011 year 8 geography - rainforests - deforestation
Copy of Unit 6 Notes 1_ Climate_Biomes_Energy (1).pptx
Copy of Unit 6 Notes 1_ Climate_Biomes_Energy (1).pptx
Effect of Precipatation on Distribution of Plants.pptx
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Coasts: Headlands and Bays
This document provides information about headlands and bays, including:
1) Headlands and bays are formed by the uneven erosion of coastlines composed of bands of rock with varying resistance. More resistant rocks like granite and basalt form headlands, while less resistant rocks like chalk, sandstone and shale erode more quickly to form bays.
2) Waves concentrate their energy at headlands, eroding them more, while weakening along wider bays where sediments are deposited.
3) Students are expected to learn about beaches, spits and tombolos from their textbook for homework, with examples of different beach gradients based on sediment coarseness.
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The document provides instructions for a coastal cliff formation activity, asking students to use diagrams and explanations in complete sentences to describe how coastal cliffs are formed through the processes of wave erosion. It also asks students to predict what landform would form if the cliff continues retreating inland and provide a diagram and point form explanation of their prediction. Finally, it asks students to reflect in their geography journal on whether shore platforms are formed through erosion or deposition and explain their reasoning.
Coasts: Introduction
Coastal landforms are shaped by the interacting processes of erosion, transportation, and deposition from waves and currents. These processes constantly alter the coastline over time, forming features like beaches, sand dunes, cliffs, and bluffs. Effective coastal management and protection requires understanding these natural coastal processes and how to mitigate erosion and other threats while still allowing the coast to change over time.
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Kalimantan
Deforestation in Kalimantan has led to several environmental problems, including a loss of biodiversity as species like the proboscis monkey and pygmy squirrel become endangered without sufficient habitat. It also causes changes to the water cycle by reducing rainfall and increasing flooding due to the loss of trees' ability to absorb and store water. Additionally, deforestation results in air pollution from the burning of forests to clear land.
Uses of forests
Forests serve many important functions such as maintaining water supply by filtering and storing water, replenishing oxygen levels and absorbing carbon dioxide, providing habitat for plants and animals, preventing floods and protecting coasts from natural hazards, and supplying valuable resources like timber, medicine, and recreation areas. However, overuse of forests through activities like deforestation can disrupt these ecosystem services and have negative environmental and economic impacts. Sustainable forest management is important to balance human use of forest resources with conservation of forests for future generations.
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Natural Vegetation: Climate's Effect on Vegetation
- 1. How climate influences vegetation growth (pp. 154-155)
- 2. 66.5º N 23.5º N 66.5º S Antarctic Circle 23.5º S (not shown)
- 3. What latitudes tell us 1. How much of the sun's heat they get generally (temperature) 2. How much rainfall they get (precipitation)
- 4. Why are there different types of vegetation? Because there are different types of climate because of Precipitation RAIN Temperature
- 5. Why are there different types of vegetation? Precipitation influences the type of vegetation you find in a place because... Plants water. need
- 6. Why are there different types of vegetation? Most trees need more water than plants to grow. Tree = 木 Many trees = 林 Even more trees = 森林 (forest) 200-1000mm/yr: grasslands Rate of precipitation 250mm/yr or less (!!): is at least desert/tundra 1000 mm/year. What if it's less?
- 7. Why are there different types of vegetation? Most trees need more water than plants to grow. 200-1000mm/yr: grasslands 250mm/yr or less (!!): desert or tundra
- 8. Why are there different types of vegetation? Because there are different types of climate because of Precipitation Temperature
- 9. Why are there different types of vegetation? Whiteboard work
- 10. Why are there different types of vegetation? Let's do Questions 1d) together. Do 2a) yourself. And we'll write half of 2b)i) together.
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