干旱半干旱区蚂蚁的生态功能综述

刘任涛

Ecological function of ants and its implication for ecological restoration of semiarid and arid ecosystems

Rentao Liu

图4 蚂蚁捕食行为（通过下行效应）对土壤动物营养级结构的影响［17］ 注：+表示正效应，-表示负效应

Fig.4 Effect of predation acted by ants （i.e.， top-down effect） on trophic structure of soil faunal communities［17］