| 博斯腾湖生态系统结构及其鱼载力分析 |
| Analysis on Ecosystem Structure and It’s Carrying Capacity of Bositeng Lake |
| 投稿时间：2009-02-19 修订日期：2009-02-19 |
| DOI： |
| 中文关键词:生态系统结构，博斯腾湖，生态位，初级生产力，鱼载力 |
| 英文关键词:Ecosystem structure Bositeng Lake niche width Primary productivity Fish carrying capacity |
| 基金项目:欧盟—中国生物多样性项目（EU-China Biodiversity Programme, ECBP）资助 |
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| 中文摘要: |
| 摘 要：新疆维吾尔自治区博斯腾湖生态系统结构较为简单。生态系统生产者由硅藻为主的浮游植物组成，构成博湖饵料生物的基础。淡水鱼类构成了生态系统消费者的主体。现有鱼群生态位分布较宽，鲢鱼、鳙鱼生态位重叠较多，池沼公鱼占有繁殖优势，鲈鱼和鲫鱼能够长期共存。根据不同深度水域的浮游植物生物量，运用ArcGIS软件计算博斯腾湖初级生产力为665091.07吨，理论鱼载力为4750.65吨。实际鱼载量远大于理论鱼载力，需要根据湖泊环境容纳量投放饵料。同时，建议考虑通过生态系统食物链的功能，适当地引进有制约小杂鱼习性的高位营养级的鱼类来维护水域生态系统的平衡，将湖泊内的小杂鱼转化成经济价值高的优质名特鱼类。 |
| 英文摘要: |
| Abstract: Bositeng Lake, located in Xinjiang Uygur Autonomous Region, has a simple ecosystem structure. Producers of the lake ecosystem were mainly composed by plant plankton, which based on diatom; these served as mostly fish food in this lake. Decomposers were mainly included freshwater fish. By analyzing on niche width of mainly fish species, it’s found that those of chub [Hypophthalmichthys molitrix (Cuvier et Valenciennes)] and bighead [Aristichthys nobilis (Richardson)] overlapped, Hypomesus olidus Pallas has advantage in propagating ability. River perch [Perca fluviatilis Linnaeus] mainly grazing on crucian carp [Carassius auratus (Linnaeus)], these two species can live together in a long period. Based on plant plankton biomass in different depth of the lake and utilizing of ArcGIS software, it’s calculated that the primary productivity of the lake was 665091.07 ton, theory fish carrying capacity was 4750.65 ton. However, actual fish carrying capacity was bigger in a high degree than theory one. It’s need to supply fish food to the lake, under considering the lake’s environmental capacity. It’s also suggested to introduce fish species which occupied in advanced trophic level to the lake, so as to maintenance the balance of water ecosystem, to transform those low quality fish product into high quality fish product. |
| 彭羽.2009.博斯腾湖生态系统结构及其鱼载力分析[J].水生态学杂志,30(4):. |
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