An isotopic (Δ<sup>14</sup>C, δ<sup>13</sup>C, and δ<sup>15</sup>N) investigation of the composition of particulate organic matter and zooplankton food sources in Lake Superior and across a size-gradient of aquatic systems

Food webs in aquatic systems can be supported both by carbon from recent local primary productivity and by carbon subsidies, such as material from terrestrial ecosystems, or past in situ primary productivity. The importance of these subsidies to respiration and biomass production remains a topic of...

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Bibliographic Details
Main Authors: J. P. Werne, S. Leigh McCallister, E. C. Minor, P. K. Zigah
Format: Article
Language:English
Published: Copernicus Publications 2012-09-01
Series:Biogeosciences
Online Access:http://www.biogeosciences.net/9/3663/2012/bg-9-3663-2012.pdf