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博文

目前显示的是标签为“Spatial Distribution”的博文

Spatial Distribution of Regenerated Woody Plants in Alnus hirsuta (Turcz.) var. sibirica Stand in Japan

Read  full  paper  at: http://www.scirp.org/journal/PaperInformation.aspx?PaperID=53541#.VMiEoSzQrzF Author(s)    Hiroyuki Tobita 1,2* , Satoshi Nanami 3 , Shigeaki F. Hasegawa 4 , Kenichi Yazaki 1 , Masabumi Komatsu 1 , Mitsutoshi Kitao 1   Affiliation(s) 1 Present Address: Department of Plant Ecology, Forestry and Forest Products Research Institute, Tsukuba, Japan . 2 Previous Address: Laboratory of Forest Ecology, Graduate School of Agriculture, Kyoto University, Kyoto, Japan . 3 Graduate School of Science, Osaka City University, Osaka, Japan . 4 Institute of Low Temperature Science, Hokkaido University, Sapporo, Japan . ABSTRACT The role of N2 fixation in structuring plant communities and influencing ecosystem function will be potentially large. In previous study, we investigated nodule biomass and activity, and calculated the amount of N 2 fixation in a naturally established 18-year-old alder ( Alnus hirsute (Turcz.) var. sibi...

Regional Characteristics of Temperature Anomalies in Pakistan with Emphasis on Spatial Distribution at Decadal Scale: A Case Study of August (1950s-2000s)

Read full paper at: http://www.scirp.org/journal/PaperInformation.aspx?PaperID=50830#.VE3BPlfHRK0 Author(s)   Iftikhar Ahmad 1* , Romana Ambreen 1 , Shahzad Sultan 2,3 , Zhaobo Sun 4 , Muhammad Nawaz 1 Affiliation(s) 1 Department of Geography, University of Balochistan, Quetta, Pakistan . 2 Pakistan Meteorological Department, Islamabad, Pakistan . 3 Institute of Space and Earth Information Science, Chinese University of Hong Kong, Hong Kong, China . 4 Nanjing University of Information Science and Technology, Nanjing, China . ABSTRACT In this paper the month of August was assessed from 1950s-2000s based on the temperature data from 53 stations that covers almost all Pakistan. The temperature coefficient...