The spatial and temporal patterns of net primary productivity and its impact factors in regional agro-ecosystem: a case study in Shandong province
SU Benying, ZHANG Lu, CHEN Shengbin, WANG Bingxue, JIANG Gaoming
Ecology and Environment . 2010, (9): 2036 -2041 .  DOI: 10.16258/j.cnki.1674-5906(2010)09-2036-06

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