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Title:Ground Beetle assemblages on Illinois algific slopes: a rare habitat threatened by climate change
Author(s):Taylor, Steven J.; Yanahan, Alan D.
Subject(s):Caraabidae
Algific
Jo Daviess
Biology, Entomology
Abstract:Here, we report on a preliminary inventory of ground beetles (Insecta: Coleoptera: Carabidae) conducted inthe Driftless Area by sampling three algific slope sites and three non-­‐algific slope sites. The ground beetles are a fairly diverse family with a variety of degrees of generalist and specialist predators (such as those feeding only on snails) and scavengers, ranging from widely distributed common species found even in agricultural settings, to narrowly endemic species known only from a single site. These beetles in general are easily captured using pitfall traps, making it possible to obtain quantifiable data with relative ease (Julio 2010). Ground beetles are found in a wide variety of habitat types, from prairies to bottomland forests, and from the arctic to the tropics, with unique community assemblages in differing habitats (Lövei and Sunderland 1996, Ribera et al. 2001). Finally, these beetles repeatedly have been shown to be useful bioindicators (Eyre et al. 1996, Rainio and Niemelä 2003) and have already been successfully used in a wide variety of ecological studies (e.g., Stork 1990).We studied ground beetle communities of talus slopes in the Driftless Area in relation to a variety of habitat parameters, 1) to gain an understanding of the diversity of species present at these sites; 2) to associate assemblages of species, or shifts in species assemblages with differences in habitat parameters, especially temperature; and 3) to evaluate ground beetle assemblages associated with colder talus slopes relative to those associated with talus slopes generally lacking properties of algific slopes, in hopes of predicting possible changes in ground beetle assemblages that might be experienced as algific slopes are lost in Illinois due to changing climatic conditions, perhaps identifying species in danger of being extirpated from the state.
Issue Date:2013-01-05
Citation Info:Taylor, S.J. & A.D. Yanahan. 2013. Ground Beetle assemblages on Illinois algific slopes: a rare habitat threatened by climate change. INHS Technical Report 2013(1):1-63.
Series/Report:Technical Report INHS 2013 (01)
Genre:Report (Grant or Annual)
Type:Text
Language:English
URI:http://hdl.handle.net/2142/35320
Publication Status:unpublished
Peer Reviewed:not peer reviewed
Sponsor:Illinois Department of Natural Resources/375 IDNR 12-016W
Date Available in IDEALS:2013-01-08


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