In this paper, the values of water ecosystem and its influencing factors are discussed basically on Songhua river area.
本文以松花江流域为重点，探讨水生态系统价值的内涵及其影响因素。
Thee interconnected system of green spaces in the parks can conserve natural ecosystem values and functions, sustain clear air and water, and provide a wide array of benefits to people and wildlife.
公园里成片成片的绿化地区能保护自然生态，供给洁净的空气和水源，对人和动物都有利。 。
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