| T. R. PARSONS,T. A. KESSLER,LI GUANGUO. 1986. AN ECOSYSTEM MODEL ANALYSIS OF THE EFFECT OF MINE TAILINGS ON THE EUPHOTIC ZONE OF A PELAGIC ECOSYSTEM. Acta Oceanologica Sinica, (3):425－436 |
| AN ECOSYSTEM MODEL ANALYSIS OF THE EFFECT OF MINE TAILINGS ON THE EUPHOTIC ZONE OF A PELAGIC ECOSYSTEM |
| AN ECOSYSTEM MODEL ANALYSIS OF THE EFFECT OF MINE TAILINGS ON THE EUPHOTIC ZONE OF A PELAGIC ECOSYSTEM |
| Received:May 17, 1985 Revised:January 03, 1986 |
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| Author Name | Affiliation | | T. R. PARSONS | Department of Oceanography, University of British Columbia, Vancouver, British Columbia, Canada | | T. A. KESSLER | Department of Oceanography, University of British Columbia, Vancouver, British Columbia, Canada | | LI GUANGUO | Shandong College of Oceanology, Qingdao, China |
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| Abstract: |
| A computer analysis was performed on experimental results obtained when mine tailings were added to seawater.The Mixed Upper-Layer Ecotrophie Simulation (MULES) model was tested by changing the extinction coefficient and the abundance of heterotrophic zooflagellates.Increasing the extinction coefficient resulted in a delay of phytoplankton growth, an increase in zooplankton standing stock and better growth of autotrophic flagellates compared with diatoms.Zooflagellates in the ecosystem influence the growth of zooplankton; secondary production by zooplankton was markedly depressed at low levels of zooflagellates.These results are believed to be of general significance for the diagnosis of suspended sediment effects on planktonic ecosystems. |
| 中文摘要: |
| A computer analysis was performed on experimental results obtained when mine tailings were added to seawater.The Mixed Upper-Layer Ecotrophie Simulation (MULES) model was tested by changing the extinction coefficient and the abundance of heterotrophic zooflagellates.Increasing the extinction coefficient resulted in a delay of phytoplankton growth, an increase in zooplankton standing stock and better growth of autotrophic flagellates compared with diatoms.Zooflagellates in the ecosystem influence the growth of zooplankton; secondary production by zooplankton was markedly depressed at low levels of zooflagellates.These results are believed to be of general significance for the diagnosis of suspended sediment effects on planktonic ecosystems. |
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