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Les coléoptères représentent une fraction significative, non seulement des collections du Muséum, mais aussi et surtout de l'environnement. Ils servent d'indicateurs pour de nombreux paramètres en évolution constante, leur prise en compte est donc de première importance pour la gestion des milieux. Leur étude repose d'abord sur celle des exemplaires préservés dans les collections, d'où la signification toute particulière du corpus du Muséum (sans doute le premier du monde en quantité et en qualité). Le présent ouvrage, composé de quatre chapitres généraux introductifs et d'une étude prosopographique, évoque ce riche patrimoine à travers son histoire et sa constitution. Il expose la façon dont il a été réuni, au cours d'une période de plus de deux siècles (quoique de façon significative seulement à partir des années 1830) ; il montre comment l'action des personnels du Muséum (professeurs, assistants, préparateurs, stagiaires, voyageurs…) s'est conjuguée à celle de quelque 350 collectionneurs « amateurs » pour constituer ce corpus unique.

History & Philosophy Of Science --- histoire des sciences --- histoire des sciences naturelles

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In many ecosystems dung beetles play a crucial role--both ecologically and economically--in the decomposition of large herbivore dung. Their activities provide scientists with an excellent opportunity to explore biological community dynamics. This collection of essays offers a concise account of the population and community ecology of dung beetles worldwide, with an emphasis on comparisons between arctic, temperate, and tropical species assemblages. Useful insights arise from relating the vast differences in species' life histories to their population and community-level consequences. The authors also discuss changes in dung beetle faunas due to human-caused habitat alteration and examine the possible effects of introducing dung beetles to cattle-breeding areas that lack efficient native species. "With the expansion of cattle breeding areas, the ecology of dung beetles is a subject of great economic concern as well as one of intense theoretical interest. This excellent book represents an up-to-date ecological study covering important aspects of the dung beetle never before presented."--Gonzalo Halffter, Instituto de Ecologia, Mexico CityOriginally published in 1991.The Princeton Legacy Library uses the latest print-on-demand technology to again make available previously out-of-print books from the distinguished backlist of Princeton University Press. These editions preserve the original texts of these important books while presenting them in durable paperback and hardcover editions. The goal of the Princeton Legacy Library is to vastly increase access to the rich scholarly heritage found in the thousands of books published by Princeton University Press since its founding in 1905.

Dung beetles --- Dor beetles --- Dorbeetles --- Dung chafers --- Tumblebugs --- Scarabaeidae --- Ecology.