A quadrat sampling method for conducting aerial census of moose (Alces americana) that is adapted to extensive units of habitat was developed and applied in two areas of Alaska. This report describes ...

Snail populations were monitored during 42 consecutive months in three types of habitats (ephemeral pond, ephemeral river and permanent stream) in two sites covering different climatic zones in ...

Random sampling is an important approach to field vegetation surveys. However, sampling surveys in desert areas are difficult because determining an appropriate quadrat size that represent the sparse ...

A procedure is suggested to eliminate dependency on the species-area curve, based on the view that the most important fact of plant distribution is the distribution of quantity of material as ...