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A New foodweb based on microbes in calcitic caves: The Cansiliella (Beetles) case in Northern Italy

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Author(s): Paoletti Maurizio G. | Beggio Mattia | Dreon Angelo Leandro | Pamio Alberto | Gomiero Tiziano | Brilli Mauro | Dorigo Luca | Concheri Giuseppe | Squartini Andrea | Summers Engel Annette

Journal: International Journal of Speleology
ISSN 0392-6672

Volume: 40;
Issue: 1;
Start page: 45;
Date: 2011;
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Keywords: Cansiliella servadeii | cave | moonmilk | stable isotopes | food web | bacteria | microorganisms

ABSTRACT
The troglobitic beetle, Cansiliella servadeii (Leptodirini), has specialized mouthparts modified for browsing and feeding under percolating water on moonmilk, a speleothem formation in Grotta della Foos, Italy. Results from analyses of stable isotopes of carbon and nitrogen suggest thatacquires and assimilates dissolved allochthonous organic carbon, inorganic nitrogen, and possibly phosphorus and other nutrients from the microbial fauna associated with moonmilk.

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