Chapter 6
Sections 3-7
Terrestrial Biodiversity
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Biomes and Climate: Understanding Terrestrial Ecosystems, Slides of Environmental Science
An in-depth exploration of biomes, their determining factors, and the unique characteristics of various types of biomes such as deserts, grasslands, and forests. It covers plant and animal adaptations, climatograms, and the impact of human activities on natural capital degradation.
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Chapter 6
Sections 3-
Terrestrial Biodiversity
Biome
a major regional terrestrial community
with its own type of climate, vegetation, and
animal life
Q. Which two aspects of climate
determine biomes most?
A. Temperature and precipitation
Keep in mind that biomes are a generalized
description of a broad area
In reality, they are made of patches with
slightly different characteristics
Arctic
Temperate
Tropic of cancer
Tropical
Tropic of Capricorn
Temperate
Antarctic
Deserts: Three types
- Tropical deserts
Ex: Sahara
- Temperate deserts
Ex: Mojave Desert, CA
- Cold deserts
Ex: Gobi Desert, China
Desert Climatograms
Tropical desert (Saudi Arabia)
Temperate desert (Reno, Nevada)
Polar desert (northwest China)
Desert Animals
Adaptations:
- Many nocturnal
- Large ears to dissipate heat
- Thick outer coverings (exoskeleton, scales)
- Small size
- Estivation
Figure 6-
Page 115
Natural Capital Degradation Deserts
Large desert cities
Soil destruction by off- road vehicles and urban development
Soil sanitization from irrigation
Depletion of underground water supplies
Land disturbance and pollution from mineral extraction
Storage of toxic and radioactive wastes
Large arrays of solar cells and solar collectors used to produce electricity
Grasslands Climatograms
Temperate grassland (Lawrence, Kansas)
Polar grassland (arctic tundra) (Fort Yukon, Alaska)
Tropical grassland (savanna) (Harare, Zimbabwe)
Grasslands: Three types
1. Tropical grassland = savanna
(think Lion King)
Grasslands: Three types
- Temperate grassland:
prairies โ N. America
steppes โ Russia
pampas โ South America
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