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。
Sir Julian went on to play a role in establishing what was then the World Wildlife Fund, a nature conservation agency, linking population growth to environmental degradation.
Sir Julian继续在成立诸如世界动植物基金，自然保护组织中扮演着重要的角色，他同时将人口的增长与环境的退化相联系起来。
Last week, the first Asian ministerial conference on tiger conservation, in Hua Hin, Thailand, set a goal of doubling the wild population by the start of the next tiger year, in 2022.
亚洲第一届以老虎保护为议题的部长级会议上周在泰国的华欣召开。会上制定的目标是，到2022年，即下一个虎年年初，使野生老虎数量翻倍。
"We may be witnessing an epidemic in the Amur tiger population," Dale Miquelle, director for the Wildlife Conservation Society (WCS) Russia Program, told the Guardian.
是野生生命保护协会(WCS)俄罗斯项目的负责人，他对虎类保护者们说，“我们正在看到东北虎之间一场流行病的发生。”
With strong conservation efforts, including protecting three forested regions in the Russian far east, the population has since rebounded to nearly 400.
在有力的保护措施下，包括保护俄罗斯远东地区的3个森林，东北虎的数量已经恢复到将近400只了。
The recent discovery of a new population of this elusive crab has led to its conservation status being reclassified from "critical" to "endangered" on the 2008 Red List of Threatened Species.
在这个难以捉摸的螃蟹，最近发现的新的人口，导致其保护状况正在从“危急”到“濒危”的2008年濒危物种红色名单重新分类。
So population genetic structure, phylogeny, as well as collection, conservation and utilization of Quercus should be studied as early as possible.
建议应尽快进行群体遗传结构、种系发生及遗传资源的收集、保存和利用方面的研究。
The high polymorphism of MHC genes in Chinese alligator would be of great benefit to genetic conservation in the captive population of Chinese alligator.
本文的研究结果表明扬子鳄MHC基因的多态性较高，这对扬子鳄饲养种群的遗传保护将非常有利。
Therefore, understanding the morphological and molecular variation of different geographic population of roe deer is important for us designing conservation strategies.
因此，深入了解目前狍各地理单元种群的分子变异，可以为我们制定保护策略提供重要的依据。
Genetic variation is major study content in conservation genetics. In small population, genetic variation loss because of bottleneck effect, inbreeding, founder effect, and genetic drift.
遗传变异性是遗传保护研究的主要内容，在小种群中，往往由于瓶颈效应、近亲繁殖、奠基者效应和遗传漂变等使得遗传变异性减少。
That led scientists to believe the pigeon has a very small population and had therefore gone unseen, according to Conservation International.
这导致科学家相信鸽子有一个非常小的人口，因此已经看不见了，根据国际自然保护。
According to standard of minimum viable population, the ex-situ conservation of 73 rare and endangered plants are effective.
按照最小存活种群的标准，该园有73种稀有濒危植物迁地保护有效。
From aspects of molecular ecology, population ecology, rejuvenation and cutting propagation, the conservation and utilization of B.
从分子生态学、种群生态学、更新复壮及扦插繁殖角度系统研究了珍珠黄杨资源的保护与利用。
Heritage conservation can be an important issue in locations which are under threat from population pressures, economic decline, or rapid rehabilitation, such as in Cambodia.
遗产保护是非常重要的问题，尤其是在受到人口压力、经济衰退或迅速复原的地方，如柬埔寨。
The formation of resting spores plays an important role in population succession, conservation, distribution and dispersal of red tide-causing alga.
休眠孢子的形成对于赤潮藻种群的保存、延续以及分布扩散等均具有重要的意义。
Although there have been extensive studies on the genetics of endangered plant species, it is still highly debatable about the role of population genetics in rare plant conservation.
尽管对于濒危物种的遗传学人们已经进行了大量研究，但是种群遗传学在植物保护中的实际地位尚存在很大争议。
It has stabilized the population of Siberian tigers for decades due to intensive conservation efforts and more than 90 big cats were born in 2016.
得力于有力的保护措施，几十年这里的东北虎数量一直很稳定，而2016年新生的小老虎有90多只。
The concept and fundamentals of Systemic conservation of Animal and Poultry Genetics Resources (SCAPGR) and mathematical models of genetic structure with conservation population were proposed.
本文提出了畜禽遗传资源系统保存的概念、基本思想及其群体遗传结构变化的数学模型。
Some technical measures were used in the breed control of Hequ horse, such matters as defining conservation region, determining effective population size and having a right foundation herd etc.
河曲马品种的保种与选育，应采取划定保护区，建立育种核心群，确定群体有效含量，控制近交，调整马群结构和合适的公母比例等措施；
As an important strategy for species conservation and population restoration, reintroduction is increasingly applied to the conservation of rare and endangered plants.
作为物种保护及种群恢复的重要策略之一，回归在越来越多的珍稀濒危植物保护实践中得到了应用。
As human population grows and cities expand, the need for trained conservation workers will also expand.
因为人口增长和城市化进程，对环保专业人员的需求将日益增长。
And reducing building pollution is one important way for lowering outdoor airflow requirement, the higher indoor population density is, the greater energy conservation is.
同时，降低我国建筑污染水平是减少新风需求的重要途径，并且人员密度越高节能空间幅度越大。
Effective population size and breeders selection manners affect the effect of breeds conservation.
群体有效大小和留种方式影响保种的效果。
From conservation biology viewpoint, we carried out basic researches including community ecology and population genetics on this wild medicinal plant.
本文以草珊瑚为研究对象，从保护生物学角度，对该物种进行了群落生态学和居群遗传学的基础性研究。
Conservation and breeding help restore the population, while tourist revenues are used to compensate local rice farmers for not using pesticides.
在保护和养殖工作的帮助下，萤火虫数量得以恢复，游客的参观费还被用来补偿当地不使用杀虫剂的稻农。
Population genetic theory and method were used to study the conservation results of Qinchuan cattle for 30 years plus in Qinchuan cattle farm of Shaanxi province.
采用群体遗传学理论与方法研究了陕西省秦川牛场秦川牛保种群30多年来的保种情况，详细地分析了保种群的规模、年龄结构及迁移情况。
Population genetic theory and method were used to study the conservation results of Qinchuan cattle for 30 years plus in Qinchuan cattle farm of Shaanxi province.
采用群体遗传学理论与方法研究了陕西省秦川牛场秦川牛保种群30多年来的保种情况，详细地分析了保种群的规模、年龄结构及迁移情况。
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