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Chapter 31

Speciation and Diversity

What is a Species?
Overview A species is a group of organisms that interbreed and produce fertile offspring. Typically, individuals of the same species appear similar…
Formation of Species
Speciation describes the formation of one or more new species from one or sometimes multiple original species. The resulting species are discrete…
Speciation Rates
Overview Speciation usually occurs over a long evolutionary time scale, during which the species may be isolated or continue to interact. If two…
Speciation and Bioavailability Measurements of Environmental Plutonium Using Diffusion in Thin Films
The biological uptake of plutonium (Pu) in aquatic ecosystems is of particular concern since it is an alpha-particle emitter with long half-life…
A Multi-detection Assay for Malaria Transmitting Mosquitoes
The Anopheles gambiae species complex includes the major malaria transmitting mosquitoes in Africa. Because these species are of such medical…
Soil Lysimeter Excavation for Coupled Hydrological, Geochemical, and Microbiological Investigations
Studying co-evolution of hydrological and biogeochemical processes in the subsurface of natural landscapes can enhance the understanding of coupled…

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