The concept and fundamentals of Systemic conservation of Animal and Poultry Genetics Resources (SCAPGR) and mathematical models of genetic structure with conservation population were proposed.

本文提出了畜禽遗传资源系统保存的概念、基本思想及其群体遗传结构变化的数学模型。

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The department of Environmental Conservation estimates the optimum population at 60.

环境保护部估计最适宜的年龄是60岁。

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Over the study period, conservation efforts resulted in population increases for 24 mammal species.

在研究中我们发现，保护者的努力使得24种哺乳动物的数量出现上升。

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The Irish hare attracted major conservation concern following a sustained population decline in Northern Ireland in the 1980s and 1990s.

BBC: Irish hare under threat from 'European brown' hare

"This species is barely clinging on in the south of Scotland, so to lose an adult bird from this already tiny population is, in conservation terms, a disaster, " he said.

BBC: Golden eagle

The first two workshops have already been conducted in Mafraq and Ramtha where the presence of a large Syrian population has made water conservation a high priority in the area.

UNESCO: OFFICE IN AMMAN