| 浙江北部岛礁周围海域鱼类群聚特征值的初步研究 |
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| 引用本文： | 郁尧山,张庆生,陈卫民,许源剑. 浙江北部岛礁周围海域鱼类群聚特征值的初步研究[J]. 水产学报, 1986, 10(3): 305-314 |
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| 作者姓名： | 郁尧山 张庆生 陈卫民 许源剑 |
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| 作者单位： | 浙江省海洋水产研究所，浙江省海洋水产研究所，浙江省海洋水产研究所，浙江省海洋水产研究所 浙江省舟山地区科学技术委员会 |
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| 摘 要： | 本文计算了下列鱼类群聚特征值：种类数、单纯度、种类丰富度、最大多样度、种类多样度、种类均匀度、重复度，并作了区域、逐月和年间变化的分析。得出鱼类群聚结构外侧海区(水深10-35米)较内侧海区(7-10米)复杂。种类多样度的变化同优势种及捕捞影响具有一定的关系，种类多样度的计算宜兼顾个体数和生物量。
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| 关 键 词： | 浙江 北部岛礁周围海域 鱼类 群聚特征值 优势种 种间关系 |
| 修稿时间： | 1992-06-01 |
A PRELIMINARY STUDY ON EIGENYALUS OF FISH COMMUNITIES IN WATERS SURROUNDING ISLANDS OFF THE NnRTHERN ZHEJIANG |
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| Yu Yaoshan,Zhang Qingsheng,Chen Weimin and Xu Yuanjian. A PRELIMINARY STUDY ON EIGENYALUS OF FISH COMMUNITIES IN WATERS SURROUNDING ISLANDS OFF THE NnRTHERN ZHEJIANG[J]. Journal of Fisheries of China, 1986, 10(3): 305-314 |
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| Authors: | Yu Yaoshan Zhang Qingsheng Chen Weimin Xu Yuanjian |
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| Affiliation: | Yu Yaoshan;Zhang Qingsheng;Chen Weimin;Xu Yuanjian Marine Fishery Rasearch Institute of Zhejiang |
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| Abstract: | In this paper, the following eigenvalues of fish communities werecalculated: the number of species contained in communities; the index of concentra-tion;the index of species richness; the maximum species diversity; the index ofevenness and the index of degree of overlap. Their regional, monthly and yearlychanges were analysed. The results indicated that the structure of fish commuunities ofouter waters (10 to 35 meters in depth) is more complicated than that of innerwathers (7 to 10 meters in depth). The changes of species diversity have some relationto the dominant species and fishing efforts. In the calculation of species diversity bothnumbers and biomass were considercd. |
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| Keywords: | Eigenvalus of fish community Waters surrounding islands off the northern Zhejing |
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