22. You just have a regular running stream, because there is no dam, so the ecosystem would be completely different, there would be fewer wetlands.
(这里)只有一条有规律的溪流,因为没有水坝,所以生态系统会完全不同,湿地会更少。
youdao
23. Alternatively, stability can be defined as the speed with which an ecosystem returns to a particular form following a major disturbance, such as a fire.
或者,稳定性可以被定义为生态系统在发生重大扰动,如一场火灾后,恢复到特定形式的速度。
youdao
24. The ecologist is concerned primarily with the quantities of matter and energy that pass through a given ecosystem, and with the rates at which they do so.
生态学家主要关注的是流经某一生态系统的物质和能量的量以及它们的速度。
youdao
25. Agriculture takes place in nature, among ecosystems of interacting organisms and activity, and crop production takes place within that ecosystem environment.
26. A decade ago, this island's ecosystem was in chaos. Wild pigs attracted golden eagles from the mainland, and those flying predators crashed the fox population.
27. The report from the Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services (IPBES) is clear on what's at stake and what needs to change.
28. Because complex species interactions may be involved, identifying a keystone species by removing the species and observing changes in the ecosystem is problematic.
29. This ecosystem is one of the fascinating paradoxes of the biosphere: how do clear, and thus nutrient-poor, waters support such prolific and productive communities?
这个生态系统是生物圈中令人着迷的悖论之一:清澈而又缺乏营养的水域是如何支撑如此多产的群落的?
youdao
30. The report also highlights incidents of fishing boats being involved in groundings, oil spills and accidents, which posed a serious threat to the Antarctic ecosystem.