CAJ | 학술논문

鼠类是生态系统中的初级消费者,对高寒退化草地产生重要的影响.研究了不同种群密度下鼠类对高寒退化草地植物群落危害的特征,结果表明,鼠类对高寒草地植物群落的均匀度、多样性产生影响,但不明显.而群落的高度、盖度、生物量则受鼠类的影响较大,且差异显著.随着危害程度的加深,优良牧草的比例显著下降(P<0.5),高寒退化草地植物群落发生逆向演替.
서류시생태계통중적초급소비자,대고한퇴화초지산생중요적영향.연구료불동충군밀도하서류대고한퇴화초지식물군락위해적특정,결과표명,서류대고한초지식물군락적균균도、다양성산생영향,단불명현.이군락적고도、개도、생물량칙수서류적영향교대,차차이현저.수착위해정도적가심,우량목초적비례현저하강(P<0.5),고한퇴화초지식물군락발생역향연체.
Rodents are the primary consumers in ecosystems, which have an important influence on alpine degenerated meadow. The harmful characteristics of different population densities of rodents on alpine degenerated meadow were investigated. The results indicated that rodents had an influence on evenness and diversity of plant communities in alpine meadow, but it was not obvious. However, the height, coverage, biomass of communities were greatly influenced by the rodents, and there was a significantly difference between them (P<0.5). With the deepen of harm extent, the proportion of fine pasture significantly declined (P<0.5), and the plant communities in alpine degenerated meadow occurred in regressive succession.