Carabid Beetles in Their Environments: A Study on Habitat by Professor Dr. Hans-Ulrich Thiele (auth.)

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

With the expanding numbers of study 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 alternative staff right into a entire photo. It used to be with those goals in brain that the subsequent research used to be conceived. an extra objective used to be to try to teach to what quantity examine on carabids can give a contribution to the bigger fields of analysis encompassing ecology, ethology and evolution. for my part the investigations on carabids allow us to attract conclusions of basic applicability and, as such, related with these made in recent times upon different teams of animals. i'm good conscious of the chance concerned these days in trying, on one's personal, to combine effects from a wide selection of clinical disciplines right into a significant entire, and hence i'm continually thankful for corrections and for more information. it's very unlikely for me to say via identify all the col­ leagues who've given me their help within the instruction of the publication. Reprints in their guides were put at my disposal by way of just about all of the authors brought up, in addition to by means of others whose names and works were passed over only which will hinder the publication from taking up encyclopedic professional­ parts. i'm however indebted to all of them for his or her cooperation.

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

Example text

Tardus, Amara famelica, A. equestris, Bembidion nigricorne, N otiophilus germin yi and Broscus cephalotes +. Especially prominent on peaty areas and heaths were: Cicindela campestris, Dyschirius globosus+, Carabus arcensis, Pterostichus coerulescens + , Amara lunicollis + , 0 listhopus rotundatus, H arpalus latus, Bradycellus harpalinus and B. collaris. A preference for heather-covered peat was shown by: Bembidion lampros +, Trichocellus cognatus, Anisodactylus nemorivagus and Carabus convexus.

The microclimate on bare peat areas, with its extreme diurnal and annual fluctuations, especially with respect to temperature, is similar to the macroclimate of the more continental parts of Eurasia. Investigations were carried out in the German Mittelgebirge (Harz: Sonnenberger Moor) by Mossakowski (1970b) on mosaic-like complexes of oligotrophic bogs and eutrophic fens. He found Agonum ericeti to be fairly narrowly associated with oligotrophic bogs, whereas its counterpart on eutrophic fens was A.

Tardus; e: H. anxius; f: H. smaragdinus; g: H. rufitarsis. From Lindroth, 1949 ~tl 'll~ I 20 ~t II •I II 1=" 1 I=b tII 1 I 1 1=, • '1 - I I I - I I I I=f - 1 I I=d 'l • 1 I 1=" 20 I I l~ • l~ • :[ - l~ • '1 - I I I 1=9 20 1~o0 o 1 2 3 4 5 6 microclimatic requirements of the species concerned and the climatic conditions peculiar to sandy substrates, the nature of the substrate also exerts an immediate influence. III. The Carabid Fauna of Moors We shall now consider the differences between the fauna of the various types of moors, distinguishable as follows: (1) eutrophic, minerotrophic fens; (2) oligotrophic, minerotrophic fens which are connected with a mineral substrate poor in nutrients and the water borne by it.

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