Download World Atlas of Great Apes and their Conservation by Julian Caldecott, Lera Miles, Kofi A. Annan PDF

By Julian Caldecott, Lera Miles, Kofi A. Annan

Despite the committed efforts of a lot of persons and firms, the nice apes—our closest dwelling relatives—are at the very fringe of extinction. This sweeping atlas presents a finished evaluation of what's at the moment recognized approximately all six species of serious apes—chimpanzee, bonobo, Sumatran orangutan, Bornean orangutan, jap gorilla, and western lowland gorilla. Created in organization with the nice Apes Survival venture (GRASP), this ebook supplies an intensive history on ape habit and ecology for every species, together with special habitat necessities, the apes' ecological function, and the prospective results in their decline. World Atlas of serious Apes also bargains a whole description of the threats, present conservation efforts, and extra safety wanted for every species throughout its complete diversity. Many full-color maps and illustrations make the abundance of data obtainable to a large readership, from experts and policymakers to normal readers fascinated by the survival of those charismatic primates.

This ebook represents the paintings of a dynamic alliance of some of the world's major nice ape learn and conservation enterprises. Bringing jointly United international locations businesses, governments, foundations, and private-sector pursuits, the undertaking goals to elevate the overseas profile of significant ape conservation and to construct the political will for additional motion. Readers find out about paintings being performed by way of particular corporations in help of significant ape conservation, and the place conservation is such a lot wanted and probably to be effective.

*Covers all six species of significant apes

* presents the main updated and finished info available

* greater than a hundred and fifty full-color photos

* greater than 50 full-color maps and diagrams

Copub: UNEP-WCMC (Royalties from the sale of this ebook will aid the efforts of the conservation of the nice Apes Survival undertaking)

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Extra info for World Atlas of Great Apes and their Conservation

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They observed that, while it is true that the stabilimenta of A. aurantia webs do reflect more UV than other silk in the web, they also reflect strongly in the blue and green part of the spectrum. This, they demonstrate by an ingenious bee learning experiment, has the effect in the natural habitat of making the stabilimenta relatively cryptic to insects, while their relative conspicuousness to vertebrates lends support to the predator defence hypothesis. Visually conspicuous webs risk attracting predators as well as prey.

This is referred to as the modulus of elasticity or Young’s modulus. Young’s modulus, therefore, can be said to express the stiffness of a material, and will have a large value (steep slope of stress/strain curve) for a material of high stiffness, and vice versa (Gordon 1976) (Fig. 2). Strength is the maximum amount of stress that a material can bear before failure (σmax). The value of ε at the point of failure (εmax) is the thread’s extensibility. The amount of energy expended to cause failure of the material is given by the area under the curve up to the point of failure (Fig.

A) Plan and vertical section of the burrow to show the position of the male when singing. (b) Sound pressures, expressed as gain in decibels, against driving frequency in kilohertz, measured in a model burrow when driven by an external sound source. The position of the sound source and three recording microphones is shown in the inset. higher frequencies have been selectively attenuated by passage through a humid atmosphere (Penna and Solis 1999). In male three-spined sticklebacks nest quality measured as ‘compactness’ and ‘neatness’ has been found to be correlated with male physiological condition.

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