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Community Ecology (Chapter 26), We can also use the knowledge of species…
Community Ecology (Chapter 26)
Diversity
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Diversity & Scale- larger areas are more diverse than smaller ones
Species abundance distribution
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Species-area relationships
Diversity & Latitude- far northern or far southern have far fewer species.
Predator-Prey Interactions
Predator Selection Among Multiple Prey
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Competition Between Species
1 Predator, 1 Prey
Apparent Competition
Beneficial Interactions Between Species
Mutualism
Nurse Plants- alter small habitat below themselves that creates favorable environment for seedlings and other plants.
Facilitation- one organism helps another without receiving benefit
Metapopulations in Patchy Environments
Metapopulation- consists of several local populations interconnected by migration and gene flow between patches.
Source Habitat- high quality patch
Sink Habitat- low quality patch
Interconnectedness of Species: Food Chains & Food Webs
Food Web- network of interrelationships of food sources
Keystone Species
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Food Chain- direct line of consumption
We can also use the knowledge of species abundance distribution to see the diversity in latitude
Competition may influence predator selection among multiple prey.
Metapopulations are included when assessing diversity
The presence or absence of keystone species can dramatically affect diversity.
