概念信息
此概念无该语言术语。
优选术语
定义
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Natural mortality is deaths of fish from all causes except fishing (e.g. ageing, predation , cannibalism, disease and perhaps increasingly pollution). It is often expressed as a rate that indicates the percentage of fish dying in a year; for example a natural mortality rate of 0.2 implies that approximately 20% of the population will die in a year from causes other than fishing.
(en)
创建: 7/3/20
上位概念
- 폐사율 (ko)
其他语言
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阿拉伯语
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俄语
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法语
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罗马尼亚语
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土耳其语
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doğal ölüm katsayısı
创建: 2020-10-23T10:39:58
skos:notation: 6e96756a
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西班牙语
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意大利语
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英语
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natural mortality coefficient
创建: 2019-09-04T12:02:37
skos:notation: e014f278
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中文
URI
http://aims.fao.org/aos/agrovoc/c_5e26404e
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