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At present the mechanism of endangered species mostly confined to the morphology point of view, few physiological point of view of ecology, the lotus leaf fern Adiantum growth conditions of the study also stay in more qualitative analysis, there are few quantitative analysis of its optimum growth environment , The experimental use of morphological and physiological ecology of the idea and will use the components of the research methods, to be a long time to further explore their own independent development of plant taxonomy, morphology, physiology, ecology and other subjects the intrinsic link between , With a view to a new high on the survival of endangered species, adaptation and evolutionary mechanism.

目前对物种濒危机理的研究大都局限在形态学角度,很少有生理生态学角度的研究,对于荷叶铁线蕨生长条件的研究也多停留在定性分析上,很少有定量分析其最适生长环境,本实验采用形态学与生理生态学结合的思想,并将采用构件理论的研究方法,拟进一步探讨长期以来各自独立发展的植物分类学、形态学、生理学、生态学等学科之间的内在联系,以期能在一个新的高度上探讨濒危物种的生存、适应对策和进化机制。

In view of the fact that the O. t. dybowskii are in imminent danger, first, must take importance to protection of wintering areas;Next, must try our best to protect the important breeding areas;Finally, establishes a population including existing genetic diversity for reintroduction, thus enable it to get rid gradually is in imminent danger, achieves the bustard species protection the goal.

鉴于东方亚种的濒危境地,首先,要重视越冬地的保护;其次,要保护好重要繁殖区:最后,建立一个拥有现有遗传多样性水平的迁地保护种群,既可避免其遗传多样性的进一步丧失,又可为扩大野外种群的规模奠定基础,从而使其逐渐摆脱濒危境地,达到大鸨物种保护的目的。

Cycas panzhihuaensis is a new kind of Cycas that was discovered in 1971, it was formally named in 1981 and it was labeled as the first batch endangered plants in 1984.It is a kind of relics species.

攀枝花苏铁是1971年发现的苏铁新种,1981年正式定名,1984年被列入我国第一批珍稀濒危植物名录,属于世界珍稀濒危植物残遗物种。

Based on the investigation of 38 forest plots in Beijing mountainous region, the niche breadth and overlap of seven rare and endangered herbage plants Glycine soja, Cypripedium macranthum, Malaxis monophyllos, Herminium monorchis, Paeonia obovata, Platanthera chlorantha and Liparis japonica were calculated and analyzed. The results showed that G. soja had a wider niche breadth (0.297), while C. macranthum, M. monophyllos and H.

基于北京山区有珍稀濒危草本植物分布的38块森林群落样地调查数据,对北京山区的野大豆、大花构兰、沼兰、角盘兰、草芍药、二叶舌唇兰和羊耳蒜等7种珍稀濒危草本植物进行了生态位宽度和生态位重叠计算与分析。

Meanwhile, Congress had also become involved in the fate of the snail darter.

与此同时,国会也卷入了有关蜗牛镖命运的纠纷之中。1975年4月——即蜗牛镖被列入濒危物种名录第7个月前,在众议院拨款委员会的小组委员会上,田纳西流域管理局代表描述了这种鱼的发现以及《濒危物种法》和泰利库工程的相关性。

Appearing before a Subcommittee of the House Committee on Appropriations in April 1975 - some seven months before the snail darter was listed as endangered - TVA representatives described the discovery of the fish and the relevance of the Endangered Species Act to the Tellico Project.

与此同时,国会也卷入了有关蜗牛镖命运的纠纷之中。1975年4月——即蜗牛镖被列入濒危物种名录第7个月前,在众议院拨款委员会的小组委员会上,田纳西流域管理局代表描述了这种鱼的发现以及《濒危物种法》和泰利库工程的相关性。

Meanwhile, Congress had also become involved in the fate of the snail darter. Appearing before a Subcommittee of the House Committee on Appropriations in April 1975 - some seven months before the snail darter was listed as endangered - TVA representatives described the discovery of the fish and the relevance of the Endangered Species Act to the Tellico Project.

与此同时,国会也卷入了有关蜗牛镖命运的纠纷之中。1975年4月——即蜗牛镖被列入濒危物种名录第7个月前,在众议院拨款委员会的小组委员会上,田纳西流域管理局代表描述了这种鱼的发现以及《濒危物种法》和泰利库工程的相关性。

We highlight our results as follows:(1) the proportion of wild seed plants found on the Red List to total seed plant species was lower in China than in Japan, but the degree of threat for gymnosperms was higher in China than in Japan;(2) several hydrophyte families were not listed on the Red List of China, but have been severely threatened in Japan;(3) the number of cosmopolitan genera endangered in China was fewer than in Japan; and (4) among species threatened in both China and Japan, there was a large proportion of common species, sister species, and closely related species.

研究发现:(1)中国红色名录中濒危植物的种类占其所有野生种子植物的比例显著低于日本,但裸子植物的濒危程度却极其显著地高于日本;(2)部分水生植物科未列入中国红色名录,但在日本已受到严重威胁;(3)中国红色名录中出现的世界分布属显著少于日本;(4)两国濒危植物中有大量共有种、姊妹种或近缘种。

In order to meet national requirements for conserving and researching biodiversity and realize construction goals on sharing flatform for genetic resources of wild artiodactyla and perissodactyla animals in the West of China at home and abroad, by analyzing existing data and investigating on the spot, genetic resources of wild artiodactyla and perissodactyla animals in the West of China and Web database were specially researched at three aspects as follows.

西野生偶奇蹄目动物遗传资源研究通过系统分析现有文献资料和实地调查研究,对西部野生偶奇蹄目动物遗传资源编目、种和亚种分类及濒危等级,种群动态预测与生物地理分布,濒危动态估算和濒危动物模型建立,保护利用模式及保护级别提案等遗传资源层面尚存在的数据信息混乱、缺乏或空白的领域进行了重点研究。

During the period of past three years, the project finished the research of conservation biology on the four endangered and endemic plants from Theaceae. Their detail distribution and living states were completely investigated, about 120 indivaduals of the critically endangered Euryodendron excelsum and abandant individuals and population of Apterosperma oblata were newly found.

本项目三年来,通过对山茶科猪血木、圆籽荷、猴子木、厚皮香及长果核果茶等濒危和特有植物的保护生物学研究,摸清了其野外详细分布、生长状况,发现极度濒危植物猪血木的个体数为120余株、濒危植物圆籽荷仍有大量的个体和种群。

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推荐网络例句

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性,但我大喊,并在他们的方向扔石头让他们过的线索,远离我,以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。

Store this product in a sealed, lightproof, dry and cool place.

密封,遮光,置阴凉干燥处。