Geoscience Reference
In-Depth Information
The Role of Body Size in Complex Food
Webs: A Cold Case
UTE JACOB,
1,
*
AARON THIERRY,
2,3
ULRICH BROSE,
4
WOLF E. ARNTZ,
5
SOFIA BERG,
6
THOMAS BREY,
5
INGO FETZER,
7
TOMAS JONSSON,
6
KATJA MINTENBECK,
5
CHRISTIAN M
¨
LLMANN,
1
OWEN L. PETCHEY,
8
JENS O. RIEDE
4
AND JENNIFER A. DUNNE
9,10
1
Institute for Hydrobiology and Fisheries Science, University of Hamburg, Grosse
Elbstrasse 133, Hamburg, Germany
2
Department of Animal and Plant Sciences, Alfred Denny Building, University of
Sheffield, Western Bank, Sheffield, United Kingdom
3
Microsoft Research, JJ Thompson Avenue, Cambridge, United Kingdom
4
J.F. Blumenbach Institute of Zoology and Anthropology, Systemic Conservation
Biology Group, Georg-August University G
¨
ttingen, G
¨
ttingen, Germany
5
Alfred Wegener Institute for Polar and Marine Research, P.O. Box 120161,
Bremerhaven, Germany
6
Ecological Modelling Group, Systems Biology Research Centre, University of
Sk¨vde, Sk¨vde, Sweden
7
Department of Environmental Microbiology, Helmholtz Centre for Environmental
Research—UFZ, Permoserstr. 15, Leipzig, Germany
8
Institute of Evolutionary Biology and Environmental Studies, University of Z¨rich,
Winterthurerstrasse 190, Z¨rich, Switzerland
9
Santa Fe Institute, Santa Fe, New Mexico, USA
10
Pacific Ecoinformatics and Computational Ecology Lab, Berkeley, California, USA
Abstract . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
182
I.
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
183
II. Methods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
186
A. The Weddell Sea Data Set . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
186
B. Functional Consumer Classification of the Weddell Sea Food Web
189
C. Food Web Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
190
D. Data Analysis: Statistics, Extinction Scenarios and Robustness
of Weddell Sea Food Web . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
191
III. Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
192
A. The Weddell Sea Food Web Data Set . . . . . . . . . . . . . . . . . . . . . . .
192
