Fixed field experimental studies are carried out on daily variations of the undisturbed community and soil respiration f......

报道了围栏填育后羊草草原和大针茅草原蝗虫丰富度的变化，比较了蝗虫在羊草草原和大针茅草原的发生特点，结果表明：以毛足棒角蝗为主导......

用５０～３５０ｍｍｏｌ／Ｌ含有不同比例的ＮａＣｌ、Ｎａ２ＳＯ４、ＮａＨＣＯ３和Ｎａ２ＣＯ３等４种盐成分的３０种混合盐对羊草（Ａｎｅｕｒｏｌｅｐｉｄｉｕｍｃｈｉｎｅｎｓｅ（Ｔｒｉｎ．）Ｋｉｔａｇ．）苗进行盐碱混合胁迫处理。结果表明：相对生长率、Ｋ和Ｎａ含量、脯氨酸积累量及叶片电......

Under the dry weather conditions in the typical steppe region of Inner Mongolia, the diurnal change curve of photosynthe......