Blick, Theo; Luka, Henryk; Pfiffner, Lukas and Kiechle, Josef (2008) Spinnen ökologischer Ausgleichsflächen in den Schweizer Kantonen Aargau und Schaffhausen (Arachnida: Araneae) - mit Anmerkungen zu Phrurolithus nigrinus (Corinnidae). Arachnologische Mitteilungen, 35, pp. 1-12.
Spiders from ecological compensation areas in the Swiss cantons Aargau and Schaffhausen (Arachnida: Araneae) - with remarks on Phrurolithus nigrinus (Corinnidae). The dpider fauna of open habitats adjacent to arable land was investigated in northern Switzerland. The three habitat types were (1) herbaceous edges of fields (Sa), (2) fallow land sowed with flowers (BB), and (3) grass borders of fields (GS). Four funnel pitfall traps (10 cm diameter) were used to catch spiders in three stripe-types in two geographical regions in two years over 5 weeks in May and June: in total 12 sets of data. Spider species typical for open habitats were dominant, mostly lycosids (6 of 10 most active species). The results were analysed together with environmental factors using a canonical correspondence analysis (CCA) and spiders were compared with carabid beetles (Coeloptera: Carabidae). Geographical region, though not very distant, had the largest influence on both spiders and carabids. The age and type of the habitats had a stronger influence on spiders than on carabids. In spiders a larger part of the total variance was explained by the analysed factors. Finally we discuss briefly a remarkable spider species. A rewiew of all known records of Phrurolithus nigrinus in Switzerland and Germany, together with adjacent regions in France, is given. Its phenology is indicated, its habitat discussed and the overall distribution within Europe is listed.
|EPrint Type:||Journal paper|
|Keywords:||Arable land, comparison spiders-carabids, fallow land, field margins, France, Germany, remarkable species, Switzerland, Entomologie, Funktionelle Biodiversität, Ökoausgleich, Saumprojekt|
|Subjects:||Environmental aspects > Biodiversity and ecosystem services|
|Research affiliation:|| Switzerland > FiBL - Research Institute of Organic Agriculture Switzerland > Sustainability > Biodiversity|
Switzerland > FiBL - Research Institute of Organic Agriculture Switzerland > Entomolgy
|Related Links:||http://www.callistus.de/theo_pdf/, http://www.callistus.de/pdf_theo/Blick_73_SaeumeCH.pdf, http://www.fibl.org/de/mitarbeiter/luka-henryk.html, http://www.fibl.org/de/schweiz/forschung/pflanzenschutz-biodiversitaet.html, http://www.biogeography.unibas.ch/Publikationen/papers/Blick2008|
|Deposited By:||Luka, Dr. Henryk|
|Deposited On:||18 Oct 2010 12:42|
|Last Modified:||18 Oct 2010 12:42|
|Document Language:||German - Deutsch|
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