Biomes Flashcards

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1
Q

Spatial Distribution of Biomes (Latitude Impact)

A

Latitude: Distance from the equator.
Impact: Affects temperature and sunlight, influencing biomes.

Examples are…
Tropical Rainforest: Low latitude, warm, high rainfall, lush biodiversity.
Grassland: Found in temperate and tropical zones, varies in temperature and rainfall.
Tundra: High latitude, polar, cold, low sunlight and rainfall, minimal vegetation.

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2
Q

Tropical Rainforest

A

Location: Near the equator (low latitude).
Climate: Warm all year, high rainfall.
Characteristics: Dense forests, rich biodiversity.

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3
Q

Grassland Biome

A

Location: Found in both tropical (Savannah) and temperate zones.
Climate:
Tropical: Warm, wet/dry seasons.
Temperate: Hot summers, cold winters.
Rainfall: Moderate.

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4
Q

Tundra Biome

A

Location: High latitudes, polar regions.
Climate: Cold, long dark winters, low sunlight.
Rainfall: Very low.
Vegetation: Sparse, adapted to harsh conditions.

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5
Q

Human Alterations of Biomes

A

Land Terracing: Hillsides modified for farming, reduces erosion.
Irrigation: Water diversion for crops.
Deforestation: Clearing forests, leads to habitat loss and CO2 increase.
Drainage of Wetlands: Converting for rice or crop farming.
Green Revolution: High-yield crops and advanced techniques.
Crop Rotation & Agroforestry: Maintains soil fertility.
Aquaculture: Controlled fish farming.
Fertilisers & Pesticides: Boost yields, risk pollution.
Urban Agriculture: City-based farming.

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6
Q

Impacts of Deforestation

A

Habitat Loss: Species extinction.
Climate Change: Reduced CO2 absorption.
Flooding: Less water absorption by soil.
Soil Erosion: Loss of nutrients and fertility.

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7
Q

Positive & Negative Impacts of Farming

A

Positive: Food security, economic benefits, rural job creation.
Negative: Methane emissions, water scarcity, habitat loss, soil degradation, pollution.

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8
Q

Latitude and Longitude Basics

A

Order: Latitude first (e.g., 30° N, 180° W).
Australian Coordinates: Always S (latitude) and E (longitude).

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9
Q

Choropleth Maps

A

Used to show data density (e.g., population, rainfall).

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10
Q

Climate Graphs

A

Annual Rainfall: Add data points directly.
Temperature Range: Highest temp - lowest temp = range in °C.

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11
Q

Topographic Maps

A

Contour Lines: Close = steep slope.

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