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湖北浮桥河水库浮游植物初级生产力及其管理
Authors
俞伏虎
刘家寿
+6 more
吴晓辉
彭建华
朱爱民
杨大兴
程临英
胡传林
Publication date
1 January 2007
Publisher
Abstract
浮桥河水库浮游植物水柱日生产量变幅为0.34—4.99g/(m^2·d),最低值出现在下游冬季,最高值出现在中游秋季,年平均值2.75g/(m^2·d).季节变化:秋季〉夏季〉春季〉冬季,与浮游植物叶绿素a含量和生物量的季节变化一致;水平分布:中游略高于上游,下游最低,与浮游植物叶绿素a含量的水平分布完全一致.表层日生产量占水柱日生产量53.81%,与1980年同期相比,浮游植物初级生产力增加了1、2倍.分析表明,磷含量增加是浮游植物初级生产力提高的关键因子.应用能量收支法估算浮桥河水库鲢鳙渔产潜力为772t,516.0kg/hm^2.从渔业管理和水质管理角度讨论了合理利用浮游植物初级生产力的措施
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Institute of Hydrobiology, Chinese Academy Of Sciences
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Last time updated on 23/01/2021