Biodiversity

Question 1

what are the three indexs’?

Answer 1

binomial variance
simpsons index
shannons index

Question 2

what is pi?

Answer 2

the proportions of the total represented by the ith species

Question 3

when is the maximum of shannons/simpsons?

Answer 3

when all species are of equal abundance

Question 4

what is alpha diversity?

Answer 4

variation within a site

Question 5

what is beta diversity?

Answer 5

variation across a site

Question 6

what is phylogenetic diversity?

Answer 6

a measure that captures evolutionary potential

Question 7

what is phylogenetic niche conservation?

Answer 7

when evolutionary closely related species tend to display similar ecological tolerances

Question 8

what is environmental filtering?

Answer 8

environments tend to favor by selection species that show particular ecological tolerances

Question 9

what is phylogenetic clustering?

Answer 9

groups of species in a particular set of ecological conditions tend to be non-fandom w/ regard to evolutionary relationships

Question 10

what can we attribute major phylogenetic associations to?

Answer 10

on a global scale temporal environmental filtering and phylogenetic niche conservatism