作为生活史中主要特征的繁殖对策(reproductive strategy)是指植物在其生活史过程中,通过最佳的资源分配格局,以其特有的繁殖属性从时空上适应环境,提高植物适合度的自组织过程。
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【Key words】 Gymnocypris przewalskii przewalskii (Kessler); Spawning stocks; Annuli characteristics; Age; Growth; Reproduction strategies; Gonad development;
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繁殖对策观点 reproduction strategy opinion
On base of community, the plant reproductive strategy, soil seed bank and seed rain were systematically researched, from June to October in 2005. The characteristics of reproduction and vegetative succession on level of community were analyzed.
以种群为研究对象,于2005年6月~2005年10月,对牧草的繁殖对策、种子库和种子雨进行了比较系统地研究和探讨,分析了草原植物在种群水平上的繁殖规律和植被演替规律。
参考来源 - 不同利用方式下牧草生长与繁殖及种子库动态研究This paper dealed with the annuli characteristics, age, growth, reproduction strategies and histology of the gonad development of spawning stocks for G. przewalskii. The main results are as follows:1.
本文研究了青海湖裸鲤繁殖群体的年轮特征、年龄、生长、繁殖对策和性腺组织学。
参考来源 - 青海湖裸鲤繁殖群体生物学·2,447,543篇论文数据,部分数据来源于NoteExpress
因此,对野生扬子鳄种群繁殖机理和长期存在于高强度人为活动的压力之下的生存对策的研究,是恢复野生扬子鳄种群数量,使其免遭灭绝的关键。
The key to save the wild Chinese Alligator is to know the breeding mechanism of the remaining wild population and its survival strategy under such a serious human pressure.
建议制定江豚保护对策时,应优先考虑江豚繁殖期幼豚母子联系的维持。
Based upon the conclusions, it is recommended that prior strategy could be to prevent the mother-calf link from broken in the early stage of the breeding season.
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