筛选
科学数据
统计数据
共检索到23条 ,权限内显示50条;
Data from: The sensitivity of seabird populations to density-dependence, environmental stochasticity and anthropogenic mortality
- 负责人:
- DOI:
- doi:10.5061/dryad.mh4vh5v
- 摘要:
- lacking density?dependence and empirical environmental information imposes limitations in the efficacy of estimating impacts. Here, we provide a method
Marsh Ecology Research Program (MERP): Belowground macrophyte production (MBG; 1980-1989) data
- 负责人:
- 关键词:
- prairie wetland ecology wetlands marshes MERP marsh ecology research program wet-dry cycle Delta Marsh marsh management hydrology flooding
- DOI:
- doi:10.5063/aa/duc_merp.160.1
- 摘要:
- depletes most of the belowground standing crop, and therefore spring sampling was done quickly (within 2 weeks) to capture this state. Underground biomass
, and Agricultural Policy;;The European Constitution, Globalization, Energy Resources, and Agricultural Policy;;Standard Eurobarometer 64;;Standard Eurobarometer 64
- 负责人:
- GALLUP DK, Copenhagen, Denmark;;TNS Infratest, Munich, Germany;;Emor, Tallinn, Estonia;;TNS ICAP, Athens, Greece;;TNS Demoscopia, Madrid, Spain:TNS Sofres
- 关键词:
- KAT12 International Institutions, Relations, Conditions KAT15 Political Attitudes and Behavior KAT16 Political Parties, Organizations KAT58 Technology, Energy KAT30 Economic Systems
- DOI:
- doi:10.4232/1.10970
- 摘要:
- political union; meaning of the EU to the respondent; personal feelings towards the EU; perceived personal political efficacy in the EU