By Ilkka Hanski, Yves Cambefort
In many ecosystems dung beetles play a vital role--both ecologically and economically--in the decomposition of enormous herbivore dung. Their actions offer scientists with a very good chance to discover organic group dynamics. This choice of essays bargains a concise account of the inhabitants and neighborhood ecology of dung beetles around the world, with an emphasis on comparisons among arctic, temperate, and tropical species assemblages. valuable insights come up from concerning the mammoth adjustments in species' existence histories to their inhabitants and community-level effects. The authors additionally speak about alterations in dung beetle faunas because of human-caused habitat alteration and view the prospective results of introducing dung beetles to cattle-breeding parts that lack effective local species. "With the growth of farm animals breeding parts, the ecology of dung beetles is a topic of serious monetary problem in addition to certainly one of excessive theoretical curiosity. this glorious ebook represents an up to date ecological examine masking very important features of the dung beetle by no means earlier than presented."--Gonzalo Halffter, Instituto de Ecologia, Mexico City
Originally released in 1991.
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Additional resources for Dung Beetle Ecology
The smaller Dichotomiini and Onrhopltagus are both small tunnelers, and it is possible that the dichotomiines are losing in competition. Matthews (1974) assumed that Dichotomiini have reached Australia through a route different from the one used by Canthonini, but this needs confirmation. Dichotomiini do not seem to exist on the islands off Australia. The Holarctic Dung Beetle Fuuno Contrary to Canthonini and probably also to Dichotomiini,. which came h m the south, the tribe Coprini arrived through the northern route.
Sisyphini are small rollers. They share their niche with Gymnopleurini in most of the region. There are not many species, but some have a large geographical distribution and are exceedingly abundant. Only Gymnopleurini can successfully compete with Sisyphini, apparently because the former are more drought tolerant. The Sisyphus are more specialized in small-mammal dung, whereas the Neosisyphus prefer herbivore dung. I have already rererred to Nesosisypkus, which are endemic to Mauritius. Two of the 4 known species have extremely restricted distributions (Vinson 1951).
The Panamanian isthmus has nonetheless played the role of a ‘‘filter bridge” in Oathophagus: while thirty-eight species are known from the United States (Howden and Cartwright 1963) and many more from Mexico (Zunino, pers. ), only about twenty-live species are reported from Brazil (Boucornont 1932) and three froni Argentina (Martinez 1959). 3. AUSTRALIA The dung beetle species of Australia have been recently revised by Matthews (1972, 1974, 1976). As in South America, the Australian dung beetles belong to different faunas, but only two are present in the area, as already pointed out by Howden (1981): [he older, Gondwanian fauna, with tribes Canthonini and Dichotomiini; and the more modern, Holarctic fauna, with Coprkni and Onthophagini.