Shared Flashcard Set

Details

WFC 10- From Lecture
N/A
13
Other
Undergraduate 1
11/05/2009

Additional Other Flashcards

 


 

Cards

Term
Niche Parameter (also called niche axis)
Definition

Represents quantitatively how a species uses one of the factors of its habitat

Term
Hibernaculum
Definition
Requirements for a successful hibernation, location where animals hibernate over winter
Term
Reciprocal Subsidy
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
Term
Managing for a single species vs. whole ecosystem management
Definition

Can affect other species in that area negatively. 

Term

Theories that help explain why most species are in the tropics (3)

Definition

Parental parasite theory

Productivity theory

Glacial refuge theory

Term
Parental parasite theory
Definition

It is warm, so there are many parasites thus germination is reduced to live next to parent and so they are different

Term
Productivity theory
Definition

It is warm in the tropics, so things can reproduce easily and fast

Term
Glacial Refuge theory
Definition
Ice sheets in north and south wiped out species
Term

Reasons for Rainforest deforestation (4)

Definition

Shifting cultivations

New roads

Cash crops

Comercial logging

Term
Shifting cultivation
Definition
Small scale farmers that go into the forest to create farms to support their family
Term
New roads
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
Term
Cash Crops
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
Term
Commercial Logging
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
Supporting users have an ad free experience!