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Evidence for the impact of the 8.2-kyBP climate event on Near Eastern early farmers 期刊论文
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2018, 115 (35) : 8705-8709
作者:  Roffet-Salque, Melanie;  Marciniak, Arkadiusz;  Valdes, Paul J.;  Pawlowska, Kamilla;  Pyzel, Joanna;  Czerniak, Lech;  Krueger, Marta;  Roberts, C. Neil;  Pitter, Sharmini;  Evershed, Richard P.
收藏  |  浏览/下载:10/0  |  提交时间:2019/11/27
archaeology  climate  lipid residue analyses  hydrogen isotopes  animal bones  
Policy distortions, farm size, and the overuse of agricultural chemicals in China 期刊论文
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2018, 115 (27) : 7010-7015
作者:  Wu, Yiyun;  Xi, Xican;  Tang, Xin;  Luo, Deming;  Gu, Baojing;  Lam, Shu Kee;  Vitousek, Peter M.;  Chen, Deli
收藏  |  浏览/下载:9/0  |  提交时间:2019/11/27
crop yield  environmental protection  fertilizer use efficiency  socioeconomic barriers  urbanization  
Pacing of Paleozoic macroevolutionary rates by Milankovitch grand cycles 期刊论文
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2018, 115 (22) : 5686-5691
作者:  Crampton, James S.;  Meyers, Stephen R.;  Cooper, Roger A.;  Sadler, Peter M.;  Foote, Michael;  Harte, David
收藏  |  浏览/下载:8/0  |  提交时间:2019/11/27
Paleozoic  graptoloids  Milankovitch grand cycles  macroevolution  macroevolutionary rates