Question

Which one of the following is true about the source-sink population concept?

a. It takes into account the quality of the matrix for facilitating dispersal.

b. Lambda in sink populations is only slightly greater than 1.

c. Successful immigration into sink habitats is inverse density-dependent.

d. It differs from metapopulations by emphasizing variation in habitat quality among patches.

e. None of the above.

Answer 1

Amin option" c' is right anson (c) successful immigration into sink habitants is inverse density-dependent. source - sink population. This theory was given by Pulliam s se term os defined as source and sink patches of their demographic parame for or BIDE dates (birth, immigration, death and emigration) In this source patch, birth rate, is greater then death rates, causing population growth The excessive individual were leave the patch, so the emigration rate were greater than immigration gola le giok-content – death rate is greater then birth rates resulting in population decline. so immigration rate where expected to greater than emigration rates. ornall - would be a net flow of indiriduod from the source to the sink. e