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By Marjorie L. Reaka-Kudla

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All rights reserved. html BIODIVERSITY AT ITS UTMOST: TROPICAL FOREST BEETLES / 35 microhabitat or plant or trap at the same time get the same lot number so that the set of species, including nonbeetles, can be reassembled at a later date if desired (this faunule reassembly may be only a computer construct). Nonbeetle specimens will be directed to another Taxonomic Working Group (TWIG), along with appropriate sets of data. (3) Specimens of beetles are preserved in 70% alcohol in the field. Alcohol must be changed the same day at the lab and subsequently each time the specimens undergo processing (see below).

Markgraf, and C. Villagran. 1991. Late Quaternary climatic history of the Chilean Channels based on fossil pollen and beetle analyses, with an analysis of the modern vegetation and pollen rain. J. Quat. Sci. 6(4):279-291. Basset, Y. 1990. The arboreal fauna of the rainforest tree Argyrodendron actinophyllum as sampled with restricted fogging: Composition of the fauna. Entomologist 109:173-183. Basset, Y. 1991. The taxonomic composition of the arthropod fauna associated with an Australian rainforest tree.

For groups such as primates and birds, are fairly comprehensive. For other groups, such as insects, only a few species are included as tokens of the probable but largely unknown threatened status of many other species. Some countries have produced their own Red Data Books, and those for the United Kingdom give an indication of just how high a proportion of species are threatened (see below). World-wide, some 11% of mammals and birds are threatened with extinction. 7% respectively. In contrast, data on the threatened status of insects and other invertebrates are almost nonexistent.

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