Download E-books Herpetology: An Introductory Biology of Amphibians and Reptiles PDF

By George R. Zug

Herpetology has constantly been some of the most intriguing disciplines of zoology. in the past few years the sphere has persevered to develop, but it's been stricken by shortage of finished, updated textbooks containing an important advancements. This well timed ebook fills that void. via skillful synthesis, the writer summarizes the variety within the biology of dwelling amphibians and reptiles and describes the breadth of present herpetological learn. issues coated comprise the evolution, category, improvement, copy, inhabitants, and environmental matters surrounding the examine of amphibians and reptiles. Designed as a complicated undergraduate textbook, Herpetology is a useful source for college kids, practitioners, and amateurs alike.

Key Features
* presents an incisive survey and masses wanted replace of the field
* Emphasizes the organic variety between amphibians and reptiles
* info the latest study findings, bringing up key references
* includes greater than 2 hundred new illustrations and photographs
* features a precis of the historical past of herpetology
* beneficial properties an intensive bibliography

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Download E-books Developments in Fish Telemetry: Proceedings of the Sixt Conference on Fish Telemetry held in Europe (Developments in Hydrobiology) PDF

This quantity contains 33 peer-reviewed papers awarded on the 6th convention on Fish Telemetry held in Europe (Sesimbra, Portugal, 5-11 June 2005). The papers concentrate on migration and behavior, species conservation and habitat rehabilitation, human affects and fisheries, telemetry method and new expertise. This ebook is geared toward scientists and engineers actively curious about aquatic telemetry projects.

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Download E-books DK Eyewitness Books: Dog PDF

Now in Paperback!

Eyewitness: Dog highlights the evolutionary historical past of man's ally — from their domestication, anatomy, and behaviour, for either family and wild breeds together with wolves, jackals, and foxes. See the oldest-known is still of a pup, an grand tree-climbing fox, how a puppy swims, a fox with bat ears, and a husky in a sled harness. examine why canines and wolves hunt in packs, how canines "talk" with ears and tails, the fundamentals of taking care of a puppy puppy, and the way canines have been particularly taught to assist humans.

For over 25 years, DK's Eyewitness books were the main relied on nonfiction sequence in school rooms, libraries, and houses all over the world. In summer season 2014 this award-winning sequence gets a clean new glance either inside and outside. The creation of paperback variants, attention-grabbing jackets, and up to date interiors make sure that the Eyewitness sequence will remain appropriate within the ever-changing global of schooling and stay the go-to resource for homework support, learn tasks, reluctant readers, ESL scholars, and, as regularly, to fulfill the minds of curious kids.

Supports the typical middle kingdom Standards.

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Download E-books Scaling Fisheries: The Science of Measuring the Effects of Fishing, 1855-1955 (Cambridge Studies in Applied Ecology and Resource Management) PDF

By Tim D. Smith

Because the industrialization of fishing, fisheries scientists were topic to extreme financial and political pressures, that have affected the best way the technological know-how has constructed. The origins and results of those pressures are traced during this booklet to matters approximately settling on the reasons of fluctuations in fish and whale catches, and to resistance to law of fishing job whilst populations are depleted. the improvement of partial theories of fish inhabitants dynamics are defined utilizing examples of either nationwide and foreign fisheries. The factors of the problems encountered in generalizing those theories are tested, atmosphere the degree for the issue of scope of those reviews that also impacts the shape and volume of fisheries study this day.

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Download E-books Golden-winged Warbler Ecology, Conservation, and Habitat Management (Studies in Avian Biology) PDF

Golden-winged Warblers (Vermivora chrysoptera) are migratory songbirds that breed in temperate North the USA, essentially within the nice Lakes area with remnant populations during the Appalachian Mountains, and wintry weather in imperative and northerly South the USA. Their breeding diversity has gotten smaller dramatically within the Appalachian Mountains and lots of populations have dramatically declined, most probably because of habitat loss, festival and interbreeding with Blue-winged Warblers (Vermivora pinus), andglobal weather change.. because of inhabitants declines in a lot of the japanese component of their breeding diversity, Golden-winged Warblers are indexed as endangered or threatened in 10 U.S. states and in Canada and feature been petitioned for cover below the U.S. Endangered Species ActThis publication compiles large, present learn on Golden-winged Warblers and summarizes what's recognized and identifies many ultimate unknowns, offering a wealth of peer-reviewed technology on which destiny study and directory judgements will be based.

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Download E-books Sharks, Skates, and Rays of the Gulf of Mexico: A Field Guide PDF

By Glenn R. Parsons

The goblin shark is arguably one of many ugliest fish within the sea. The cookie cutter shark lives within the deep Gulf and glows at the hours of darkness. It feeds via attaching itself to a sperm whale and gnawing hunks of flesh. frequently misidentified as a shark, the smalltooth sawfish is basically extra heavily with regards to the stingrays and skates and should be at risk of disappearing in Gulf environs. The twenty to thirty enamel on either side of its snout paintings good for rooting up meals from the sandy backside or slashing via colleges of prey. however the tooth tangle simply in advertisement fishing nets.
In Sharks, Skates, and Rays of the Gulf of Mexico: A box Guide, interesting rarities equivalent to those and the entire generally sighted species look ahead to the naturalist, advertisement or leisure fisher, outdoors fanatic, or beach-goer. This guidebook covers just about all the species of sharks and rays that cruise Gulf waters from the ample, shallow-dwelling finetooth shark and the scary electrical ray to the deep-dwelling goblin fish.
Color images, line drawings, and simply understood keys built solely for this e-book support the reader quick determine species. as well as basic info on copy, sensory platforms, feeding, and different points of marine biology, there's functional details on find out how to decrease the chance of shark assault, how you can hinder and deal with stingray wounds, and the way to securely trap, deal with, and unencumber a shark.
Personal and anecdotal details collected from twenty-five years of shark learn in addition to major evidence and figures make Parson's e-book definitely the right better half for somebody scouting the Gulf for its most enjoyable denizens.
Glenn R. Parsons is a professor of biology on the college of Mississippi. He has contributed to such books as Shark Nursery Grounds and The replica and improvement of Sharks, Skates, and Rays. His paintings has seemed in such periodicals as Mid-South looking and Fishing News, Marine Biology, and Journal of Experimental Zoology.

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