Download Ecology of Teleost Fishes by Robert J. Wootton PDF

By Robert J. Wootton

Among the fishes, a remarkably wide selection of organic variations to assorted habitats has advanced. in addition to residing within the traditional habitats of lakes, ponds, rivers, rock swimming pools and the open sea, fish have solved the issues of lifestyles in deserts, within the deep sea, within the chilly antarctic, and in hot waters of excessive alkalinity or of low oxygen. in addition to those variations, we discover the main amazing specializations of morphology, body structure and behavior. for instance we will surprise on the high-speed swimming of the marlins, sailfish and warm-blooded tunas, air-breathing in catfish and lungfish, parental care within the mouth-brooding cichlids and viviparity in lots of sharks and toothcarps. in addition, fish are of substantial significance to the survival of the human species within the kind of nutritious and scrumptious nutrition of various forms. Rational expoitation and administration of our international shares of fishes needs to depend upon an in depth and designated perception in their biology. The Chapman and corridor Fish and Fisheries sequence goals to provide well timed volumes reviewing vital facets of fish biology. such a lot volumes should be of curiosity to investigate staff in biology, zoology, ecology and body structure yet an extra objective is for the books to be obtainable to a large spectrum of non­ expert readers starting from undergraduates and postgraduates to these with an curiosity in commercial and advertisement features of fish and fisheries.

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Download Das egoistische Gen by Richard Dawkins PDF

By Richard Dawkins

Sind wir Marionetten unserer eigenen Gene? Nach Richard Dawkins vor 30 Jahren entworfener und heute noch immer provozierender those steuern und dirigieren unsere von iteration zu new release weitergegebenen Gene uns, um sich selbst zu erhalten. Alle biologischen Organismen dienen somit vor allem dem ?berleben und der Unsterblichkeit der Erbanlagen und sind letztlich nur die "Einwegebeh?lter" der "egoistischen" Gene. Sind wir Menschen additionally unserem Gen-Schicksal hilflos ausgeliefert? Dawkins bestreitet dies und macht uns Hoffnung: Seiner Meinung nach sind wir n?mlich die einzige Spezies mit der likelihood, gegen ihr genetisches Schicksal anzuk?mpfen. Zum 30. Jubil?um des "egoistischen Gens" erscheint diese Ausgabe - mit einem neuen Vorwort von Richard Dawkins und einem von Wolfgang Wickler. Meinungen zum Buch: >>Dieses Buch sollte gelesen werden, kann gelesen werden, und das von nahezu jedem. Es beschreibt mit gro?em Geschick eine neue Facette der Evolutionstheorie.>Gelehrt, geistreich und sehr intestine geschrieben … ausgesprochen gut.> Dieses mit Eleganz und Pr?zision gedachte und mit Witz und Leidenschaft geschriebene Buch Das egoistische Gen hat in 30 Jahren weder an Faszination noch an Aktualit?t einb??t. Es sollte weiterhin Pflichtlekt?re sein f?r alle Vertreter der Biologie und der Spezialbereiche aus Anthropologie, Epistemologie, Erkenntnistheorie, Ethik, Medizin, ?kologie, ?konomie, Philosophie, Psychologie, Soziologie, die sich heutzutage mit dem Beinamen "Evolution?r" schm?cken.>Hier liegt ein echter kultureller Meilenstein unserer Zeit vor.>Kaufen Sie dieses Buch, lesen Sie es, und empfehlen Sie es Ihren Studenten. … es gibt noch nichts anderes Vergleichbares.

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Download Sexual segregation in vertebrates by Kathreen Ruckstuhl, Peter Neuhaus PDF

By Kathreen Ruckstuhl, Peter Neuhaus

An realizing of sexual segregation is critical within the rationalization of existence background and social choice, inhabitants dynamics and the conservation of infrequent species. This booklet explores the explanations why this behaviour has advanced and what components give a contribution to it. men and women of many species can, and do, dwell individually for lengthy classes of time. This sexual segregation is frequent and will be on social, spatial or habitat scales.

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Download The Complete Field Guide to Butterflies of Australiа by Michael F. Braby PDF

By Michael F. Braby

Полный полевой атлас-определитель всех видов бабочек, обитающих на материковой территории Австралии и на удаленных островах. Характеризует классификацию, распространение и местообитания, а также жизненный цикл и поведение. Включает цветные изображения всех видов.
Доп. информация: Файл является рипом с сайта Google Books. Этим определяется отсутствие некоторых страниц (около 10% от общего числа) и низкое разрешение сканирования (72 dpi). Если кто-нибудь предложит более качественную версию, скачаю одним из первых.
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Мои раздачи биологических определителей, справочников, учебных пособий и монографийБудьте добры, нажмите на кнопку Сказать "Спасибо"!

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Download A Field Guide to the Reptiles of South-East Asia by Indraneil Das PDF

By Indraneil Das

South-East Asia is domestic to 1 of the main different reptilian populations in the world and is instantly turning into the most vital ecotourism locations on the earth. A box advisor to the Reptiles of South-East Asia is the 1st entire consultant to the snakes, lizards, crocodiles, tortoises, and turtles of the region.

protecting a couple of thousand species and subspecies in thorough aspect, this box consultant presents authoritative, updated info on identity, habitat, habit, subspecies, distribution, and standing. It additionally explains the habit and morphology of reptiles, in addition to easy methods to degree and determine species in line with scale counts and different anatomical features.

This advisor is key examining for someone attracted to the natural world of South-East Asia--wildlife fanatics, scholars, conservation planners, and experts alike.

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Download The reproduction and development of sharks, skates, rays and by Leo S. Demski, John P. Wourms PDF

By Leo S. Demski, John P. Wourms

This quantity had its starting place in a symposium at the Reproduction andDevelopment of Cartilaginous Fishes that was once held on the annual conferences of the yank Elasmobranch Society and the yank Society of Ichthyologists and Herpetologists in Charleston, South Carolina in 1990. The cartilaginous fishes, type Chondrichthyes, are a wide and various crew of fishes that come with nearly 900 to 1100 residing species of sharks, skates, rays and ratfishes. all through their heritage, which dates again no less than four hundred million years, they've been a winning significant portion of the marine atmosphere. The chondrichthyan fishes occupy a pivotal place in comparative and evolutionary stories of vertebrate replica and improvement. they're the oldest surviving crew of jawed vertebrates they usually own either the grownup vertebrate Bauplan and the vertebrate application of embryonic improvement. the key good points of the feminine reproductive procedure, together with its embryonic foundation, constitution, physiological functionality, and biochemistry, it sounds as if have been confirmed early in vertebrate evolution and are totally built in chondrichthyan fishes. those gains of the feminine reproductive process were retained through the evolution of the opposite sessions of vertebrates. a lot an identical should be stated for the male reproductive procedure. furthermore, viviparity, placental nourishment of constructing embryos, and the hormonal rules of those occasions made an preliminary visual appeal during this workforce. The 22 articles provided during this quantity collect a wide selection of complementary study by way of investigators from seven international locations, permitting us to increase the scope and implications of our experiences whereas picking out possibilities for destiny examine. the looks of a quantity at the replica and improvement of cartilaginous fishes is sort of opportune. the ongoing lifestyles of those fishes, which survived the nice extinction occasions of Earth's heritage, is now threatened via overexploitation except instant steps for his or her conservation are undertaken. wisdom in their copy and improvement not just is an lead to itself, yet is of severe significance in devising winning conservation and source administration ideas.

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Download Семья и домашние животные. Family and pets by Эрин Боума, Татьяна Клементьева PDF

By Эрин Боума, Татьяна Клементьева

Книга Семья и домашние животные. family members and pets. Семья и домашние животные. kin and pets. Книги Обучение, развитие Автор: Эрин Боума, Татьяна Клементьева Год издания: 2007 Формат: pdf Издат.:АСТ-ПРЕСС ШКОЛА Страниц: fifty four Размер: 16.99 Язык: Английский0 (голосов: zero) Оценка: Игровой курс английского языка "Up and up" создан спциально для детей 4-7 лет. Ребенку предлагается множество игр и творческих заданий, песенок и стихов, работа с карандашами и бумагой.Книга Familyand pets содержит названия членов семьи и домашних животных, особое внимание уделяется предлогам места, направления и движения.

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Download Herons, Egrets and Bitterns: Their Biology and Conservation by Neil McKilligan PDF

By Neil McKilligan

This can be the 1st booklet to deal solely with the Australian family members Ardeidae (herons, egrets and bitterns). It provides a entire, easy-to-read account in their origins, type and biology, and explains the positive factors that distinguish them from different birds.

The booklet devotes an immense bankruptcy to the 14 Australian species, overlaying their distribution and routine, feeding, breeding, inhabitants dynamics and conservation. a few of Australia’s herons became very scarce within the southern half the continent and are prone to nationwide or neighborhood extinction. In northern Australia heron habitats and assets are principally pristine and accordingly this area contains huge numbers of sure species.

A ultimate bankruptcy on inhabitants and conservation presents an invaluable precis of the current prestige of the Australian herons, a few of whom are thriving and others who're in a really precarious place.

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