Flashcards in Lecture 10-Dispersal Deck (8)
Which part of the Nt equation is dispersal about?
-I and E
-immigration and emigration
When will be dispersal important?
-especially need to account for it
--when species are invading a new area
--when a population is threatened
--when on the edge of a population
How do we measure I an E?
-collect marked individuals
What are the methods of dispersal for animals?
-active: fly, walk, swing
-passive: currents, floods, stick to other animals etc.
What are the methods for dispersal for plants?
-gravity, explosive wind, water, animals(via gut, stuck to outside, or deliberately moved machinery (inside or outside))
What is a dispersal syndrome?
-set of traits (of the animal/plant) indicating what vector we think it evolved to be dispersed by
What are dispersal vectors/agents?
-the thing (organism/physical) force that causes dispersal