New PDF release: Carabid Beetles in Their Environments: A Study on Habitat

By Professor Dr. Hans-Ulrich Thiele (auth.)

With the expanding numbers of analysis staff and teams of investigators devoting themselves to the ecology of carabids I felt that the time had come to take inventory of the prevailing wisdom during this box and to endeavour to weld my own effects and people of different employees right into a entire photo. It was once with those goals in brain that the subsequent research was once conceived. an additional aim was once to aim to teach to what quantity learn on carabids can give a contribution to the bigger fields of analysis encompassing ecology, ethology and evolution. in my view the investigations on carabids let us to attract conclusions of normal applicability and, as such, related with these made in recent times upon different teams of animals. i'm good conscious of the danger concerned these days in trying, on one's personal, to combine effects from a large choice of clinical disciplines right into a significant complete, and hence i'm regularly thankful for corrections and for additional info. it really is very unlikely for me to say by means of identify the entire col­ leagues who've given me their aid within the guidance of the publication. Reprints in their guides were positioned at my disposal via just about all of the authors pointed out, in addition to via others whose names and works were passed over purely to be able to hinder the ebook from taking up encyclopedic seasoned­ parts. i'm however indebted to all of them for his or her cooperation.

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Additional info for Carabid Beetles in Their Environments: A Study on Habitat Selection by Adaptations in Physiology and Behaviour

Example text

S 0·- ~ Po. s~ ... - . , ... , ~~ oC) ~ ::s 0 0'06 Peak in Fagetum M olops elatus Carabus auronitens Pterostichus metallicus H arpalus latus 0 0 0 + + 0 Peak in mountain and/or lowland Fagetalia Pterostichus vulgaris N ebria brevicollis M olops piceus 0 0 0 The same, but also in mountain Quercetalia (although in much reduced abundance) Abax parallelus Abax ovalis Trichotichnus laevicollis (incl. T. , 0 0 + Table 5. s:: 0 -... S u 's::" 0) 0 '" ... ~ '" '" S IY~ 7 9 Agonum viduum (inc!. A. 2 ' s:: '" ~ o s::0·- ~ '"0 >< 0 cd 0) u~ - S ~ >.

E. the percent of those stands investigated in which the species was encountered. Differing abundances in the various types of forest community are therefore not shown. Only species that were represented with a "presence" of 50 % or more in at least one of the plant communities appear in the table. Characteristic societies of carabids can be assigned to some forest plant communities. This is particularly true of the larger units in the system of plant communities. Referring to carabids as well as to other soil arthropods, Thiele (1956) recognized "...

A. thoreyi and P. vernalis are the only species among those mentioned which are seldom encountered on true oligotrophic bogs. The most characteristic species of the oligotrophic bog region studied was Trichocellus cognatus, which, although almost exclusive to oligotrophic bogs in central Europe, is much more eurytopic in northern Scandinavia and Great Britain, according to Lindroth (1945). Although oligotrophic bogs became a subject of interest to zooecologists earlier than forests or cultivated land, almost all investigations until very recently were of a qualitative or semiquantitative nature (Mossakowski, 1970a).

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