Penn State University
Arts and Sciences
the ratio of the scanned areas of two known geographic regions to the ratio of their actual areas. From this comparison, we calculated a projection error as 1 -k, where k is a constant such that
What it says on the tin
Implications of theory for the consequences of extinction on the loss of evolutionary history
How much suitable habitat does a population need to persist? This is the same question for infectious disease as well as creatures we wish to preserve, and has the same answer.
See the title. Also takes a population bioligical approach to the question of individuality.
Molecular replicators like viruses, transposons, viroids and so on have the feature that their gene products, or simply their templates, are available to other replicators. This creates the Theatre for all possible ecological... more
Commentary on the neutral theory of biodiversity, primarily describing the incisive discussions by Russ Lande and Bert Leigh.
Parasitology is usually the "parent pauvre" of textbooks on biology and ecology. Finding a good, elaborate book on parasites is a hard task these days. It is thus always a pleasure to discover one. As the authors put it: "Parasites are... more