Term
| Niche Parameter (also called niche axis) |
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Definition
Represents quantitatively how a species uses one of the factors of its habitat |
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Term
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Definition
| Requirements for a successful hibernation, location where animals hibernate over winter |
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Term
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Definition
| When food resource A is high, another food resource B might be low, and when food resource B is high, food resource A is low |
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Term
| Managing for a single species vs. whole ecosystem management |
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Definition
Can affect other species in that area negatively. |
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Term
Theories that help explain why most species are in the tropics |
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Definition
Parental parasite theory
Productivity theory
Glacial Refuge theory |
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Term
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Definition
It is warm, so there are many parasites thus germination is reduced to live next to parent and so they are different |
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Term
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Definition
It is warm in the tropics, so things can reproduce easily and fast |
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Term
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Definition
| Ice sheets in north and south wiped out species |
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Term
Reasons for Rainforest deforestation |
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Definition
Shifting cultivation
New roads
Cash crops
Commercial logging |
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Term
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Definition
| Small scale farmers that go into the forest to create farms to support their family |
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Term
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Definition
| New roads are being created to easily transport goods such as soy beans, roads create a gap in the forest causing dry heat because the plants don’t hold in moisture and start fires, which dry out the forest. Fragmentation is increased by fires |
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Term
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Definition
| Crops grown and sold to a larger corporation that processes and distributes, in order to get money for family. In Amazon: cocoa, soy, rubber, in Uganda: tea and coffee |
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Term
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Definition
Clear cutting and selective logging occurs in Amazon and Africa, westerners are responsible for the demand of these hard woods. Slash and burn technique is used |
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