GSTDTAP

浏览/检索结果: 共3条,第1-3条 帮助

限定条件    
已选(0)清除 条数/页:   排序方式:
Highly bioavailable dust-borne iron delivered to the Southern Ocean during glacial periods 期刊论文
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2018, 115 (44) : 11180-11185
作者:  Shoenfelt, Elizabeth M.;  Winckler, Gisela;  Lamy, Frank;  Anderson, Robert F.;  Bostick, Benjamin C.
收藏  |  浏览/下载:6/0  |  提交时间:2019/11/27
iron speciation  Southern  Ocean iron bioavailability  dust  productivity  
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  
Oogenesis and reproductive investment of Atlantic herring are functions of not only present but long-ago environmental influences as well 期刊论文
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2017, 114 (10) : 2634-2639
作者:  Schmidt, Thassya C. dos Santos;  Slotte, Aril;  Kennedy, James;  Sundby, Svein;  Johannessen, Arne;  Oskarsson, Gudmundur J.;  Kurita, Yutaka;  Stenseth, Nils C.;  Kjesbu, Olav Sigurd
收藏  |  浏览/下载:8/0  |  提交时间:2019/11/27
fishery  fecundity  zooplankton  lag effect  recruitment