Ecosystems https://doi.org/10.1007/s10021-018-0265-x 2018 Springer Science+Business Media, LLC, part of Springer Nature Feedbacks Between Nutrient Enrichment and Geomorphology Alter Bottom-Up Control on Food Webs 1,2 3 2,4 James A. Nelson, * David Samuel Johnson, Linda A. Deegan, 5 2 Amanda C. Spivak, and Nathalie R. Sommer 1 2 Department of Biology, University of Louisiana at Lafayette, 300 E. St. Mary Blvd, Lafayette, Louisiana 70504, USA; Ecosystem Center, Marine Biological Laboratory, 7 MBL St, Woods Hole, Massachusetts 02543, USA; Virginia Institute of Marine Science, College of William & Mary, Gloucester Point, Virginia 23062, USA; Woods Hole Research Center, 129 Woods Hole Road, Falmouth, Massachusetts 02540, USA; Marine Chemistry and Geochemistry Department, Woods Hole Oceanographic Institution, 266 Woods Hole Rd, Woods Hole, Massachusetts 02543, USA ABSTRACT Classic bottom-up theory predicts that increased the eighth year. This decline in mummichog bio- resource availability (for example, nutrients) at the mass coincided with nutrient-induced collapse of base of the food web will stimulate primary pro- the low-marsh habitat. Based on stable isotope duction and, in turn, secondary production. Recent analyses, ﬁeld surveys, and small-scale experiments, studies, however, indicate that bottom-up controls we suggest that the geomorphic changes induced a on food web production can be
Ecosystems – Springer Journals
Published: May 29, 2018
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