Carbon steady-state model of the planktonic food web of Lake Biwa, Japan

Nathalie Niquil, Gretta Bartoli, Jotaro Urabe, George A. Jackson, Louis Legendre, Christine Dupuy, M. Kumagai

研究成果: Article査読

17 被引用数 (Scopus)

抄録

1. A steady-state model of carbon flows was developed to describe the summer planktonic food web in the surface mixed-layer of the North Basin in Lake Biwa, Japan. This model synthesised results from numerous studies on the plankton of Lake Biwa. 2. An inverse analysis procedure was used to estimate missing flow values in a manner consistent with known information. Network analysis was applied to characterise emergent properties of the resulting food web. 3. The system strongly relied on flows related to detrital particles. Whereas primary production was mainly by phytoplankton >20 μm, microzooplankton were active and mainly ingested detritus and bacteria. 4. The main emergent property of the system was strong recycling, through either direct ingestion of non-living material by zooplankton, or ingestion of bacteria after degradation of detritus to release dissolved organic carbon.

本文言語English
ページ(範囲)1570-1585
ページ数16
ジャーナルFreshwater Biology
51
8
DOI
出版ステータスPublished - 2006 8月

ASJC Scopus subject areas

  • 水圏科学

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