1. 茨草
1. 土壤水分含量较低的友茨草群落中，土壤呼吸与表层水分之间的关系也不明显，这与浚及草根系分介较深，能够利用土壤中较深层次的水分有关。 Soil moisture had great influence on soil respiration, but the degree varied with the time of the season.