ecosystem造句

• The world's natural ecosystems act as a buffer .
  地球上的自然生态系统起着一种缓冲的作用。
• The ultimate source of energy of all ecosystems is the sun .
  太阳是一切生态系统能量的基本来源。
• Natural and agricultural ecosystems form a continuum .
  自然生态系统和农业生态系统构成一个连续的统一体。
• The ecosystem can be redefined as interlocking life systems .
  生态系统可以再定义为相互关联的生命系统的综合。
• Another fundamental concept in ecology is that energy flow through the ecosystem .
  生态学的另一个基本概念乃是生态系统中的能流。
• Temperate forest ecosystems occupy a position of prominence among all ecosystems .
  温带森林生态系统在所有生态系统中占有优势地位。
• In some climax communities, there is slow accumulation of net ecosystem production .
  某些顶极群落中也存在缓慢积累的净生态系统生产。
• All these patterns of agriculture operate within the context of the global ecosystem .
  所有这些农业类型，都在全球生态系统的范围内产生作用。
• The world food imbalance is a problem of agricultural ecosystems and their management .
  世界粮食生产的不平衡是农业生态系统及其管理部门的一个问题。
• Regional ecosystem types, such as grass land, desert, and deciduous forest, are called biomes .
  地区的生态系统，例如草原、荒漠和落叶林又被称为生物带。
• The abundance and availability of water and nutrients in a soil ecosystem determine its fertility .
  土壤生态系统中水分和养分的丰度和有效性决定土壤的肥力。
• Continually warm, moist climates generally favor the development of complex and stable ecosystems .
  连续的温暖、湿润气候通常有利于发展复杂而稳定的生态系统。
• The species that make up natural ecosystems usually display a wide range of genetic variability .
  构成自然生态系统的生物种，通常表现有较大范围的遗传变异性。
• The plants of natural ecosystems are usually well adapted to the edaphic and climatic character of their region .
  自然生态系统的植物，通常十分适应当地的土壤和气候特点。
• Aquatic ecosystems share a number of basic structural and functional characteristics with terrestrial ecosystems .
  水生生态系统的结构和机能，在许多基本特征方面同陆地生态系统一样。
• We tend to distinguish one ecosystem from another according to the most apparent features of its biological components .
  我们往往根据其中特征最明显的生物成分来区分不同的生态系统。
• Forest ecologists have been more concerned than agronomists with the inner mechanisms of natural and artificial ecosystems .
  森林生态学家比农学家更关心天然生态系统和人工生态系统的内部机制。
• Accumulation of toxic substances in the biosphere is causing serious changes in the structure and function of natural ecosystems .
  生物圈内有毒物质的积累，造成了天然生态系统的结构与功能的严重变化。
• Figure 1 shows an example of an sca ecosystem
  图1显示了sca生态系统的一个示例。
• Is the most deadly snake in the entire ecosystem
  在整个生态系统中是最致命的蛇