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1.One of the most characteristic species in a biotic community.
在生物群落中最有特征的别类之一收藏指正
2.The physical, biotic community and ecologic characteristics around Island Amrum, FRG, have been dis-
本文根据实地考察,描述和讨论了Amrum岛周围各种环境的自然地理和生物生态特征,指出环境能量决定生物种群以及海侵条件下的潮坪砂可能产生烃类,并认为地质教育中应十分重视现代地质作用的考察。收藏指正
3.Being one of two or more of the most characteristic species in a biotic community.
等优势的在一生物群落中有两个或更多最有特征的类别之一的收藏指正
4.A major regional or global biotic community, such as a grassland or desert, characterized chiefly by the dominant forms of plant life and the prevailing climate.
生物群落区大区域或全球性生物群居地，如草地或沙漠，主要以占优势植物和最常见的气候为特征收藏指正
5.Leopold states the basic principle of his land ethic as, "A thing is right when it tends to preserve the integrity, stability, and beauty of the biotic community.
其大地伦理思想是：人与天地（包括植物、动物、河流、山脉等）是一个共同体，应该将生物共同体德完整、稳定和美丽视为最高的境界的善，生态系统的多样性与和谐有助于共同体的发展。收藏指正
6.A new biotic index, the species pollution value (SPV) and the community pollution value(CPV), based on chemical parameters is presented.
依据水质化学参数和原生动物群落参数建立了一种新的生物指数：种类污染值（SPV）和群落污染值（CPV）。收藏指正
7.Through the study of the Adenese and the natural biotic reserve in Sichuan Province, this paper argues that with the development of tourism in this region, the subsistence mode of the local community has changed and the bio-diversity in the nature reserve has been threatened, and that the local community is suffering the dissection between themselves and their homeland as well as their ideological and cultural loss while gaining some economic returns.
摘要通过对四川省亚丁人与生物圈自然保护区的研究，认为伴随着旅游进入后当地社区生计活动体系的改变，保护区内的生物多样性受到了威胁，社区在得到经济回报的同时，也在承受着人地关系的裂变及精神文化的失落。收藏指正
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