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ecosystem-type
water.res., ecol.	生态系统型
ecosystem type
agric.	生态系统［类］型
space	生态系统类型
tech.	生态系统型; 生态系统类型
ecosystem type Ecosystems can be classified according to various criteria: from the point of view of energy source, two major types of ecosystems can be distinguished. Autotrophic ecosystems have primary producers as a principal component and sunlight has the major initial energy source; etherotrophic ecosystems depend upon preformed organic matter that is imported from autotrophic ecosystems elsewhere. Ecosystems can also be classified in terrestrial, marine and freshwater
environ.	生态系统类型 (根据不同的标准可将生态系统进行分类：从能量的角度，可将生态系统分成两种不同的类型。自养生态系统以初级生产者为主要组成，阳光为主要能量来源；异养生态系统则依赖来自于自养生态系统中的有机物质。生态系统也可以按陆地、海洋和淡水来划分。)

ecosystem-type: 1 phrase in 1 subject

Earth sciences

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