中国东北样带土壤氮的分布特征和其对气候变化的响应_王淑平.pdfVIP

DOI :10.13287/j .1001 -9332.2005.0432 　2005 2 　 16 　2 　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　 CHIN ESE JO U RNA L OF A PPL IED ECOLO GY, Feb.2005, 16(2)∶279 ～283 ＊ 1,2 1 ＊＊ 3 3 王淑平 　周广胜 　高素华 　郭建平 1 2 (, 100093;, 100039; 3 , 100081) 【】　200 1 , CO2 , 、. , : , ., . pH、、、、、、、、、、 、、. (r=0.682, P0.001 0.688, P0.001)., CO 2 (5.55% 3.84%), . 　　　　CO2 　 　100 1-9332 (2005)02-0279-05　　S 153.63　　A Gradient distribution of soil nitrogen and its response to climate change along the Northeast China Transect. 1,2 1 3 3 1 WA NG Shuping ,ZHOU G uang sheng , GAO Suhua , G U O Jianping (Laboratory of Quantitative Vegetation 2 Ecology, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China;College of Resources and 3 Environment, raduateSchool of Chinese Academy of Sciences, Beij ing 100039, China;Chinese Academy of Meteorological Science, Beijing 100081, China).-Chin.J.Appl.Ecol., 2005, 16(2):279 ～283. T e est ial t ansect is an impo tant and effective method fo g lobal change study.T he N o theast China T ansect (NECT),w hich is assigned alo ng the latitude 43°30N in the mid-latitude of tempe ate zo ne and located at 112° ～ 130°30E and 42 ～46°N, is one of the fifteen global t ansects ecog nized by IGBP .It is about 1 600 km in leng th and 300 km in width.T he N ECT is mainly d iv en by p ecipitation, and becomes an effective