Download Amphibian Ecology and Conservation: A Handbook of Techniques by C. Kenneth Dodd Jr. PDF

By C. Kenneth Dodd Jr.

This sensible guide of amphibian ecology and conservation brings jointly a uncommon, foreign workforce of amphibian researchers to supply a state of the art assessment of the various new and fascinating concepts used to review amphibians and to trace their conservation prestige and inhabitants tendencies. the mixing of ecology and conservation is a normal final result of the kinds of questions posed by means of those disciplines: how amphibians can and may be sampled, marked, and via time; how abundance and inhabitants developments are measured; what are the powerful statistical tools that may be utilized in ecology and conservation; what roles do amphibians play in neighborhood constitution and serve as; how do animals functionality of their atmosphere; and what impacts the long term patience of species assemblages?

even though emphasizing box ecology, sections on physiological ecology, genetics, panorama ecology, and sickness research also are integrated. The ebook describes the newest statistical methods in amphibian box ecology and conservation, in addition to using versions in examining box learn. a lot of this data is scattered within the medical literature or now not available, and the purpose is to supply a reasonable, accomplished synthesis to be used via graduate scholars, researchers, and practicing conservationists around the world.

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Extra info for Amphibian Ecology and Conservation: A Handbook of Techniques

Sample text

Adults of the 5602 recognized species range in size from about 13 mm to 30 cm. Anurans live almost everywhere except where restricted by cold temperatures or extremely dry conditions, and except for many oceanic islands (Pough et al. 2004). Duellman identified 43 areas worldwide with exceptionally high numbers of amphibian species, endemic species (those found nowhere else), or both (Duellman 1999). Nineteen of these high diversity areas are in the western hemisphere; the others are in Eurasia, Africa, and the Papuan–Australian region.

Most are highly specialized for burrowing. Others live on the ground but are cryptic and secretive. Some are aquatic. Caecilians occur in tropical habitats around the world except for Madagascar and the Papuan–Australian region (Pough et al. 2004). (a) (b) (c) (d) Fig. 1 Representatives of the three orders of amphibians. (a) Anura: Rana palmipes, from Ecuador, (b) Anura: Bufo arenarum, from Argentina, (c) Urodela: Phaeognathus hubrichti, from Alabama, USA, (d) Gymnophiona: Hypogeophis rostratus, Seychelles.

G. g. g. changes in vegetation and habitat structure, overexploitation, introduction of nonindigenous species). g. habitat destruction and alteration) are the two major factors shaping the current distribution of amphibians. Objectives of a timescale component of a study plan should include such factors as short-term (less than one generation), intermediate (more than one to a few generations), and long-term (many generations, and inclusive of a large spatial scale and monitoring activities). Spatial scales and objectives are strongly interconnected.

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