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Living with Global Change
Final Exam
13
Biology
Kindergarten
12/11/2012

Additional Biology Flashcards

 


 

Cards

Term
population
Definition
all of the species in an area
Term
landscape ecology
Definition
investigates responses of individuals, populations, and communities to the surrounding mosaic
Term
metapopulation
Definition
a collection of sub-populations linked by dispersal
Term
What are the 3 things that hypothesis regarding limits to local species richness?
Definition
1. dispersal constraints
2. environmental constraints
3. internal dynamics
Term
What are the ways to have more species in an area?
Definition
1. more space (more resources)
2. greater specialization (smaller niche size)
3. overlap of species (large niche overlap)
4. complete use of resources (resources are fully exploited)
Term
What is the alpha richness?
Definition
the total number of species within a particular habitat
Term
What is gamma richness?
Definition
the total species richness of an area
Term
What is beta richness?
Definition
the extra species added when other habitat areas are compared
Term
When predicting the persistence of metapopulations, focus on:
Definition
1. size (vulnerability of extinction) of each population
2. extent to which subpopulations are connected by emigration and immigration
3. relative favorability of the landscape within which the subpopulation are embedded
Term
The 3 methods to reduce extinction rate are:
Definition
1. enlargement of existing patches
2. linking patches via newly created corridors of suitable habitat
3. creating a new patch
Term
Adaptive management
Definition
the changing approach overtime to better help a species
Term
What is an example of landscape diversity contributing to pest management?
Definition
Pines and the wasps example
Term
irreplaceability
Definition
the likelihood of an area being required to achieve conservation targets
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