【信息生态学研究】第一集 - 张新时高琼科学.pdf

【信息生态学研究】第一集 - 张新时高琼科学.pdf

信息生态学研究 第一集目 MAGE,a dynamic modelofalkaline grasslandecosystems withvariable soil chara-cteristics QiongGao,XiushengYang,Rui Yun and ChunpingLi A modelling analysis on ecosystem dynamics of hilly sandy landscapes using spatial simulation QiongGao.and calcium cation concentrations, and aboveground and belowground biomass.The model was used to evaluate the effects of variable soil characteristics,the harvest- ing intensity and the core layer soil alkaline status on surface soil alkalization/de-alkalization processes.