Goldfish breeding reproduction can be divided into two kinds natural reproduction and artificial propagation.

金鱼的繁殖，可分为两种繁殖方式，自然繁殖与人工繁殖。

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In the butterflies' northern feeding and breeding sites, unpredictable weather is hindering reproduction.

位于北面蝴蝶的生长与繁殖地点，不可预测的天气阻碍着蝴蝶的繁衍。

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The study on genetic basis of Porphyra is very important to its breeding exploitation, including the reproduction and life history, which are controlled by gene.

紫菜的生殖和生活史受基因控制，属遗传基础研究，它对紫菜的育种应用起着重要的指导作用。

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Its conservation value is further marked by its role as the boundary between mangrove and Melaleuca forests, and as a reproduction and breeding area of marine species.

UNESCO: MEDIA SERVICES