Concepts 19.2-19.3 Flashcards
What is an ecological community?
A group of potentially interacting species that occur together in space and time
What is a guild?
Groups of species that use similar resources
What is a regional species pool?
All the species that might occur in our community of interest?
What is an abiotic filter?
Environmental limits on the occurrence of species
What determines the abiotic filter?
Fundamental niches
What is a biotic filter?
Interactions with other species are controlling the presence of species in the community
What determines the biotic filter?
Realised niche
What is succession?
Natural changes in the composition and structure of an ecological community over time
OR
The replacement of one community by another