UNIT 3 Geography : biodiversity

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GENETIC DIVERSITY
variability among populations or individuals can determine the degree of resistance to psets and disease
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SPECIES DIVERSITY
the variety of plant/animal species in a given area; it is a measure of species richness
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ECOSYSTEM DIVERSITY
the variety of different ecosystems and habitats surrounding them in a giiven area; it includes biotic and abiotic components
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HOTSPOTS
there are 34 terrestrial hotspots containing over 50% of the worlds plants. There are 11 marine hotspots including the coral triangle which contains 25% of the worlds coral reefs
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NUTRIENT CYCLING
gersmihls model shows how nutrients are circulated. human impacts affect the nutrient cycle such as over fertilising etc
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KEY PLAYERS
individual farmers, individual campaigners, consumers, artists, local communities, NGOs, local governments , national governments and TNCs
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synoptic link
Water conflicts - dimishing water quantity and quality, impact of energy exploitation. imopacts of technology use, impacts of development on ecosystems
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CONSERVATION
total protection or total exploitation
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Other cards in this set

Card 2

Front

SPECIES DIVERSITY

Back

the variety of plant/animal species in a given area; it is a measure of species richness

Card 3

Front

ECOSYSTEM DIVERSITY

Back

Preview of the front of card 3

Card 4

Front

HOTSPOTS

Back

Preview of the front of card 4

Card 5

Front

NUTRIENT CYCLING

Back

Preview of the front of card 5
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