生态
- 与 生态 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Besides, after this system has been brought into operation for 1 year, there was abundant ecology in the surroundings, and any ecological imbalance such as ecological singularization or species advantages has not happened due to the set-up of this system.
统合分析,本系统未来并没有铺设不透水布之必要性,且本系统运作ㄧ年之后,周遭生态丰富,并不会因为设置本系统,而造成生态单一化、某些物种优势化生态失衡的情况发生,植种结构有34科87种;两栖类有3科4种;爬虫类有6科10种;鱼类有4科8种,且有多种鸟类接近或进入本系统中,并且本系统排放水因溶氧较进流时增加,可改善河川水体因河川溶氧降低、水量减少而造成河中鱼类暴毙的窘境。
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The sampling sites were divided into Suaeda salsa land, Spartina land and beach according to the vegetation.
互花米草为海滨湿地的保护和生态修复提供了先锋植物种质资源,但同时在一些地区的海滨滩涂生态系统中,其生长影响了本地物种的生存,造成负面效应,其典型的&两面性&引起了学术界的广泛关注,关于互花米草对侵入地的生物多样性、海岸带生态系统过程及功能的影响研究受到广泛关注[2 ̄4]。
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The results showed that in the enclosed area in the natural recovery process, the constructive species of Stipa niche width became larger and the dominant populations niche width presented reducing trends and the majority of the remaining population niche width was gradually increasing.
结果表明:在围封自然恢复进程中,建群种针茅的生态位宽度较大,主要优势种群的生态位宽度呈减小趋势,其余大部分种群生态位宽度逐渐增大。
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Desert eco-system ; oasis eco-system ; annual synusia ecological adaptive mode
荒漠生态系统;绿洲生态系统;一年生植物层片;生态适应模式
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The main purposes were to investigate the residents' knowledge, willingness, and demands of developing ecotourism, so as to evaluate the feasibility of developing ecotourism and give some advices and suggestions in terms of that. The study areas were Tali and Tadung tribes in the Taroko National Park and Fushih village.
本研究以太鲁阁国家公园的大礼、大同部落及富世村为研究地点,主要研究目地为调查居民对发展生态旅游的认知、意愿与需求,以评估其发展生态旅游的可行性,并提出发展生态旅游之策略建议。
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Forest is the most complicated ecosystem in the terrene, Nature Reserve is natural reference to reestablish degenerative ecosystem and provided with particular ecological functions and ecological benefits.
森林是陆地上最复杂的生态系统,自然保护区是恢复重建退化生态系统的天然参照物,发挥着独特的生态功能和效益。
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In order to devolop the ecologic tourism led by the forest touristry ,Attention should be paid to the problems,for example,the programme of developing the touristry and the investment assessment,the key exploitability area,the stress on the features of the area,Besides,we should still pay attention to both development and protection.
广西具有丰富的生态旅游资源,应充分利用资源优势,发展以森林旅游为龙头的生态旅游,并注重生态旅游发展中的规划与投资评估、重点开发区域、突出区域特色及利用与保护相结合等问题。
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Hsu. 2003. A New Species of Nothopsyche Caddisfly from Tatachia Long Term Ecological Research Site of Taiwan (Trichoptera: Limnephilidae).
袁孝维。1999。全球变迁:塔塔加高山生态系长期生态研究-鸟类群聚生态与金翼白眉生活史之研究。
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The result showed that:(1) the unrenewable industrial assistance emergy were mainly in the region of farming eco-economic system, and the chemical fertilizers greater impacted on agriculture output;(2) the intensity of emergy use was higher than the national average on agriculture, which indicated that there were a higher levels of investment in science and technology in the region;(3) the net output rate of emergy in the planting economic ecosystem was higher than the level of the national average and developed regions of guangdong province, which showed that the system had higher economic vitality, and the better function of agricultural system, more efficient operation, higher returns of emergy;(4) the rate of environmental loading was a lower level, which indicated that agricultural production had less pressure on the entire regional ecosystems, and caused less damage to the ecological environment, and agriculture, environmental resources for further development and utilization;(5) the sustainable development index in yanqi basin indicated that farming systems in the region belonged to sustainable development areas.
结果表明:(1)焉耆盆地绿洲2006种植业生态经济系统的能值投入以不可更新的工业辅助能为主。在不可更新工业辅助能中,化肥对农业的产出影响较大;(2)该区域的能值利用强度高于全国平均水平,说明农业的科技投入水平较高;(3)系统的净能值产出率高于全国平均水平和发达地区水平,表明系统具有较高的经济活力,农业系统整体功能较好,运转效率较高,能值回报率较高;(4)农业生产对整个区域生态系统的压力较轻,引起的生态环境破坏较小,农业环境资源还有进一步开发利用的潜力;(5)焉耆盆地种植业系统具有可持续发展的潜力。
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Moreover, not only can the resources be effectively exploited and used, the social progress and economic development promoted, but also can the ecosystem and environment be improved, so that the karst mountain will be able to play its due role as an area of ecological protective region and waterhead of the Changjiang and Zhujiang Rivers.
全文分4个主要部分,内容包括综述;自然环境及社会经济条件、资源态势分析;生态系统特征及退化原因、过程研究;以往生态环境改善工作存在的主要问题和失误、生态环境建设途径和具体措施探讨。
- 推荐网络例句
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It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.
从鲍尔点的形成原理出发,分析对称连杆曲线上鲍尔点的产生条件,提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。
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The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.
集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品,年生产总值3000万美元,产品价廉物美、选料上乘、质量保证,深受国内外客户的青睐
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The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.
血精的原因很,以良性病变为主。