Fifty Years of Flukes & Flippers: A Little History & by William E. Evans

By William E. Evans

This booklet is a mix heritage of a few points of Marine Mammal technological know-how and a story of a different voyage through the writer into the realm of marine mammals. even if the examine of marine mammals has a truly lengthy heritage, the trendy period of study didn't begin in any critical method until eventually the 1950's. on the finish of the battle, Marineland of Florida got here to existence and supplied an entire new adventure for most people to view and examine dolphins (primarily the Atlantic Bottlenose Dolphin), up shut and private. It was once additionally the beginning of a brand new method and curiosity in learn to appreciate how those impressive mammals have tailored to the marine atmosphere. This used to be the beginning of many possibilities to attempt and resolution the various questions that experience intrigued scientist for hundreds of years. because the author's advent to this new undertaking begun in 1956 this publication makes a speciality of the improvement of this attention-grabbing box of technology from that interval as much as the present.The tale is instructed from his standpoint as an lively player. this day there are millions of devoted younger scientists operating with marine mammals. regrettably few of them understand a lot of the attention-grabbing historical past in their technological know-how. it's our wish that this e-book will deal with that factor. Dr. William E. Evans, is a Professor Emeritus of the Marine Biology division, Texas A&M college Galveston. he's one of many first workforce of scientists that made up the cadre of the Navy's Marine Mammal application which began within the 1960' at a Naval Base in Southern California. His basic region of analysis in the course of his 10 years with the USA military application used to be marine mammal communion and echolocation. It ended in the layout of a distinct examine platform for looking at and recording dolphins underwater and for radio telemetric examine of a number of species.During his profession, Dr Ewans used to be a Director of the Hubbs Sea international learn Institute, a md of the Marine Mammal fee with over sight tasks for the Marine Mammal defense, affiliate Administrator of the nationwide Oceanic and Atmospheric management (NOAA), and Dean of the Texas Maritime collage. at the moment he a visitor Professor on the collage of Notre Dame, and coping with Editor of the "American Midland Naturalist". Dr. Evans is the writer of over 100 medical and well known articles. he's the writer and co-author of 4 books together with a little ones booklet a few "Gray Whale GIGI".

Show description

countinue reading

Predators with Pouches: The Biology of Carnivorous by Menna Jones, Mike Archer, Chris Dickman

By Menna Jones, Mike Archer, Chris Dickman

Predators with Pouches offers a distinct synthesis of present wisdom of the world’s carnivorous marsupials—from Patagonia to New Guinea and North the US to Tasmania. Written via sixty three specialists in every one box, the publication covers a accomplished diversity of disciplines together with evolution and systematics, reproductive biology, body structure, ecology, behaviour and conservation. Predators with Pouches unearths the relationships among the yank didelphids and the Australian dasyurids, and explores the function of the marsupial fauna within the mammal neighborhood. It introduces the geologically oldest marsupials, from the Americas, and examines the autumn from former range of the bigger marsupial carnivores and their convergent evolution with placental types. The ebook covers all elements of carnivorous marsupials, together with attention-grabbing positive factors of lifestyles background, their exact copy, the physiological foundation for early senescence in semelparous dasyurids, intercourse ratio edition and juvenile dispersal. It seems at gradients in nutrition—from omnivory to insectivory to carnivory—as good as distributional ecology, social constitution and conservation dilemmas.

Show description

countinue reading

Field Guide to Mammal Tracking in North America by James C. Halfpenny

By James C. Halfpenny

Animal tracks within the snow of the mountain woodland, within the dust alongside a streambank, or within the sand of the wasteland are even more than footprints. James Halfpenny’s box advisor will let the character lover to meet his or her interest by way of picking the animal that left the prints. yet identity is barely the start of a interesting task: interpretation is the lucrative target of this booklet. With it a person could be a nature detective, in a position to reconstruct the habit of mammals from mice to moose. Tracks inform tales and the person of this publication can learn them. in line with box examine, a lot of it the author’s personal, the ebook brings the novice naturalist the newest info on animal gaits and the translation of scat.

Show description

countinue reading

Our vanishing relative: The status of wild orang-utans at by H.D. Rijksen

By H.D. Rijksen

The orang-utan is an excellent consultant of a massive zone of the constitution of organic variety in Sumatra and Borneo. Conservation of the residing stipulations of the orang-utan implies retaining the integrity of the complete traditional environment of indigenous plant and animal species often called the West Malesian rainforest, i.e. the traditional tropical evergreen forests of special floral composition which stretch from the isthmus of Kra, in Thailand, throughout peninsular West Malaysia, south and eastwards, together with Sumatra, Borneo and Java. the most query at the back of this examine is: what's the present prestige of the orang-utan? Or in different phrases: • what's the present geographical distribution variety? • what were the traits within the dimension of its diversity and numbers? • to what volume is that this variety lined through (a) conservation components, (b) timher concessions (i.e. transformed habitat) and (c) plans for conversion (i.e. obliteration of the habitat)? • what's the present caliber of habitat during this variety and what's the possibility for conservation or recovery of such habitat? • what's a believable commonplace density of the ape in such habitat? • what are the clients for defense of the ape? • what may still and will be clone to provide the ape an opportunity of survival? numerous activities have been undertaken to discover solutions to those questions, and the most important effects are: • In Sumatra the orang-utan has a way more vast variety than was once hitherto

Show description

countinue reading

Armati - marsupials by Patricia J. Armati, Chris R. Dickman, Ian D. Hume

By Patricia J. Armati, Chris R. Dickman, Ian D. Hume

The final 20 years have visible many intriguing discoveries resulting in major advancements in our realizing of marsupial biology. Marsupials are rising as version organisms in reports of existence heritage evolution, getting older and senescence, intercourse choice and the improvement and regeneration of the anxious process. This quantity offers a synthesis of modern advancements in marsupial biology, bringing jointly wisdom presently scattered througout the first literature.

Show description

countinue reading

The Infanticide Controversy: Primatology and the Art of by Amanda Rees

By Amanda Rees

Infanticide within the flora and fauna should be a comparatively infrequent occasion, yet as Amanda Rees exhibits, it has tremendously major effects. pointed out within the Nineteen Sixties as a phenomenon precious of research, infanticide had, via the Nineteen Seventies, develop into the focal point of great controversy. The recommendation, via Sarah Hrdy, that it'd be the result of an advanced procedure meant to maximise an individual’s reproductive good fortune sparked livid disputes among scientists, disagreements that experience persevered right down to the current day.

Meticulously tracing the background of the infanticide debates, and drawing on vast interviews with box scientists, Rees investigates key theoretical and methodological issues that experience characterised box reports of apes and monkeys within the 20th century. As a close examine of the clinical procedure and its software to box examine, The Infanticide Controversy sheds new gentle on our realizing of clinical perform, focusing particularly at the demanding situations of operating in “natural” environments, the connection among objectivity and interpretation in an observational technological know-how, and the effect of the general public profile of primatology at the improvement of primatological study. most significantly, it additionally considers the broader importance that the research of box technology has in a interval while the ecological result of out of control human interventions in average platforms have gotten ever extra obtrusive.

Show description

countinue reading