population conservation status 居群保护现状
population conservation and restoration 种群保护和恢复
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These results would be of help for the artificial breeding and population conservation for the Macropus.
这一研究结果对大袋鼠的人工繁育和种群保护有一定的指导意义。
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。
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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