BIOL 2335 Lecture Notes - Lecture 19: Asymptote, Species Pool, Biogeography
Document Summary
Diversity increases with size of area examined. Increased number of local habitat types (environmental heterogeneity) Island habitat of given size that is isolated from species pool. Increasing area increase diversity: occurs on mountain areas as well since organisms cannot get to higher elevation very easily. General effect of area on species number, and the general explanations. Model for predicting species number on islands and its assumptions and conditions. Be able to reproduce this model graphically and explain it, and account for the effect of size in i, e and. Island - patch of hospitable territory surrounded by unhospitable environment. Immigration rate: not immigration probability, extinction rate, nor extinction probability. Line b may show: a smaller island since the area is smaller, we see that the immigration rate is smaller, large islands have large immigration rates. Mangrove islands are great natural experiments, as they vary in size and distance from the mainland.
