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引用本文:王少梅,胡传林.保安湖浮游物和颗粒有机碎屑现存量及季节变动与渔业生产.湖泊科学,1990,2(1):50-58. DOI:10.18307/1990.0108
Wang Shaomei,Hu Chuanlin.Quantities and seasonal variations in seston and particulate organic detritus in Baoan Lake and their relation to fisheries production. J. Lake Sci.1990,2(1):50-58. DOI:10.18307/1990.0108
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保安湖浮游物和颗粒有机碎屑现存量及季节变动与渔业生产
王少梅, 胡传林
中国科学院水生生物研究所
摘要:
1987年3月至1988年3月对保安湖所属大湖和桥墩湖浮游物和颗粒有机碎屑现存量作了测定。浮游物平均干重、无灰干重和颗粒有机碎屑量大湖分别为337.6、127.7和96.9t;桥墩湖分别为100.5、50.3和40.2t。浮游物和颗粒有机碎屑现存量具有明显的季节变动。黄丝草、聚草和苦草的碎屑分解对浮游物的形成起着重要的作用。用浮游物碳量估算鲢鳙鱼产潜力大湖为12.3kg/亩;桥墩湖为11kg/亩。
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DOI:10.18307/1990.0108
分类号:
基金项目:“七五”期间国家科研攻关项目的一部分
Quantities and seasonal variations in seston and particulate organic detritus in Baoan Lake and their relation to fisheries production
Wang Shaomei, Hu Chuanlin
Institute of Hydrobiology, Academia Sinica
Abstract:
From March 1987 to March 1988, measurements were taken on the quantities of seston and particulate organic detritus in two areas of Baoan Lake, Dahu and Jiaodunhu. The average dry weight of seston was 337.6 and 100.5 tons in Dahu and Jiaodunhu respectively. The ash-free dry weight of seston was 127.7 and 50.3 tons in Dahu and Jiaodunhu respectively. The quantity of particulate organic detritus was 96.9 and 40.2 tons in Dahu and Jiaodunhu respectively, Showing apparent seasonal variations in the quantities of seston and particulate organic detritus. The decomposition of Potamoglton maackianus, Myrio-phllum spicatum and Vallisneria spiralis are important in the formation of seston. Estimated from the amount of carbon in the seston, the potential production of silver carp and bighead carp is 12.3 and 11 kg/mu at Dahu and Jiaodunhu respectively.
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