The retention time tR for each analyte has two components

 i - dead time, tM. &

ii - adjusted retention time, t’R.

TLS Online TPP Program

#Id: 3050

#Unit 10. Ecological Principles

Theory of island biogeography

TLS Online TPP Program

#Id: 3051

#Unit 10. Ecological Principles

The rate of extinction is low at the time of first colonization and immigration rate is highest

TLS Online TPP Program

#Id: 3052

#Unit 10. Ecological Principles

Earlier arriving species tend to be r-selected species, which are better dispersers, whereas later arriving species are generally K-selected species, which are better competitors.

TLS Online TPP Program

#Id: 3053

#Unit 10. Ecological Principles

Island biota size varies with distance from the source pool and island size.

TLS Online TPP Program

#Id: 3054

#Unit 10. Ecological Principles

The number of species should decrease with increasing distance of the island from the mainland - The species distance hypothesis

TLS Online TPP Program

#Id: 3055

#Unit 10. Ecological Principles

The number of species should increase with increasing island size. This is also known as the species-area hypothesis.