Download e-book for kindle: Amphibian Ecology and Conservation: A Handbook of Techniques by C. Kenneth Dodd Jr.

By C. Kenneth Dodd Jr.

ISBN-10: 0199541183

ISBN-13: 9780199541188

This functional handbook of amphibian ecology and conservation brings jointly a uncommon, overseas workforce of amphibian researchers to supply a state of the art evaluation of the numerous new and fascinating options used to review amphibians and to trace their conservation prestige and inhabitants tendencies. the mixing of ecology and conservation is a ordinary final result of the categories of questions posed through 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 equipment that may be utilized in ecology and conservation; what roles do amphibians play in group constitution and serve as; how do animals functionality of their atmosphere; and what impacts the long term endurance of species assemblages?

even if emphasizing box ecology, sections on physiological ecology, genetics, panorama ecology, and ailment research also are incorporated. The publication describes the most recent statistical techniques in amphibian box ecology and conservation, in addition to using versions in studying box study. a lot of this knowledge is scattered within the medical literature or no longer on hand, and the goal is to supply an inexpensive, complete synthesis to be used by means of graduate scholars, researchers, and working towards conservationists all over the world.

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Likewise, most Asian hynobiids are terrestrial as adults but migrate to aquatic sites to lay aquatic eggs that hatch into aquatic larvae. The same is true for many North American terrestrial salamanders. Tiger salamanders (Ambystoma tigrinum) and spotted salamanders (Ambystoma maculatum) migrate to breeding ponds in the spring. Once the aquatic larvae metamorphose and leave the water, they return to their aqueous beginnings only during breeding season. 1 Amphibian diversity and life history | 9 In contrast, female marbled salamanders (Ambystoma opacum) lay their eggs under leaf litter or logs in depressions on dry ground.

Following aquatic larval development and metamorphosis, marbled salamanders are completely terrestrial. Female Amphiuma from the southeastern USA lay large yolky eggs in driedout swamps or in cavities under logs near ponds: places that will flood during spring and summer rains. Females stay with their eggs until then. Once they hatch, the well-developed larvae metamorphose within a few weeks. Adults live in swamps or slow-moving streams, but move overland during rains. They survive droughts by burrowing underground for 2 years or more.

Amphibian biologists need to establish closer links with researchers studying similar problems in other taxa (Halliday 2005). 24 | Amphibian ecology and conservation Ideally, the cycle of scientific investigation should proceed from data and information gathering and analysis, to quantifying knowledge, and to conceptual understanding. e. e. theoretical models, experiments, or field observations); (5) collect and analyze data; (6) support or reject the hypothesis; and (7) understand the meaning and implications of the results.

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


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