%0 Journal Article %T 浓度升高对红桦幼苗根系的影响 %J 生态学杂志 %D 2007 %I %U http://www.alljournals.cn/get_abstract_url.aspx?pcid=90BA3D13E7F3BC869AC96FB3DA594E3FE34FBF7B8BC0E591&jid=B04840A985D251F36078BD07A90EF003&aid=3CDDA790CDF599B449BFC71B3A0C6D76&yid=A732AF04DDA03BB3&vid=96C778EE049EE47D&iid=F3090AE9B60B7ED1&sid=C3D6C7213B2FE390&eid=B8EB5038D77D4BBF&journal_id=1000-4890&journal_name=生态学杂志&referenced_num=0&reference_num=0