筛选
科学数据
统计数据
共检索到46条 ,权限内显示50条;
Data from: The influence of crop tiller density on the breeding performance of a cereal-nesting specialist
- 负责人：
- Setchfield, Rosemary
- 关键词：
- corn bunting breeding performance farmland bird cereal crop crop management nest site selection nest survival ecological trap edge effect intensive agriculture
- DOI：
- doi:10.5061/dryad.g4t3s
- 摘要：
- vely managed cereal crops therefore place their nests in areas of high tiller density which under normal sowing practice tend to occur close to crop edges wher
Data from: Pyrosequencing of prey DNA in reptile faeces: analysis of earthworm consumption by slow worms
- 负责人：
- DOI：
- doi:10.5061/dryad.p515n265
- 摘要：
- owed promise as a practical, rapid and relatively inexpensive means of obtaining detailed and valuable ecological information on the diets of reptiles.
Data from: Juvenile survival, competing risks, and spatial variation in mortality risk of a marine apex predator
- 负责人：
- Benson, John
- 关键词：
- survival bycatch competing risks Cox proportional hazards juveniles satellite tags pop-up archival tags white sharks
- DOI：
- doi:10.5061/dryad.2pp12mt
- 摘要：
- an, highlighting the need for best practices, such as releasing sharks quickly following incidental capture. Furthermore, mortality risk for juveniles was greate
Iowa Youth and Families Project, 1989-1992;;Version 2
- 负责人：
- 关键词：
- DOI：
- doi:10.3886/icpsr26721.v2
- 摘要：
- r disciplinary practices. The last step in the model proposes that reduced parental nurturance and increased parental harshness will threaten the social, emoti
Iowa Youth and Families Project, 1989-1992;;Archival Version
- 负责人：
- 关键词：
- DOI：
- doi:10.3886/icpsr26721
- 摘要：
- r disciplinary practices. The last step in the model proposes that reduced parental nurturance and increased parental harshness will threaten the social, emoti
, E-Communications, Agriculture, and Environmental Protection;;European Union Policy and Decision Making, Corruption, Civil Justice, E-Communications, Agric
- 负责人：
- Papacostas, Antonis;;TNS Dimarso, Brussels, Belgium TNS BBSS, Sofia, Bulgaria TNS Aisa, Prague, Czech Republic TNS GALLUP DK, Copenhagen, Denmark TNS
- 关键词：
- KAT12 International Institutions, Relations, Conditions KAT20 Legal system, Legislation, Law KAT36 Branches of Economy, Services and Transport KAT62 Communication, Public Opinion, Media KAT65 Natural Environment, Nature
- DOI：
- doi:10.4232/1.10986
- 摘要：
- ). Environment.Topics: 1. Attitudes towards the EU: preference for more decision-making at the European level in selected policy areas; actions or policies
Chitwan Valley Family Study: Labour Outmigration, Agricultural Productivity and Food Security, Nepal, 2015-2017;;LOAF;;Version 2
- 负责人：
- 关键词：
- DOI：
- doi:10.3886/icpsr36755.v2
- 摘要：
- agricultural practices and remittances received by the household. Face-to-face interviews were conducted to collect data from household members who previously participate
Living Condition Survey Estonia, Lithuania and Latvia 1999 (Individuals);;Living Condition Survey Estonia, Lithuania and Latvia 1999 (Individuals)
- 负责人：
- Statistical Office Of Estonia Central Statistical Bureau Of Latvia Statistics Lithuania
- DOI：
- doi:10.4232/1.4675
- 摘要：
- ; household practices aspects of subsistence economy.5.) Currently employed; paid or unpaid employee; occupational status; type of employment contract; public
for Social Services;;Economic Crisis, Volunteer Work, the Environment, Audiovisual Interests, and Helplines for Social Services
- 负责人：
- , Ireland;;TNS ICAP, Athens, Greece;;TNS Demoscopia, Madrid, Spain;;TNS Sofres, Montrouge, France;;TNS Infratest, Milan, Italy;;Synovate, Nicosia, Cyprus;;TNS
- 关键词：
- KAT12 International Institutions, Relations, Conditions KAT31 Economic Policy, National Economic Situation KAT50 Society, Culture KAT62 Communication, Public Opinion, Media KAT65 Natural Environment, Nature
- DOI：
- doi:10.4232/1.11853
- 摘要：
- environmental protection. Audio-visual media. Helplines for social services. Topics: 1. The Europeans and the crisis: preferred priority policy areas of the Eu
Eurobarometer 82.4 (2014);;Eurobarometer 82.4 (2014);;Parlemeter 2014;;Parlemeter 2014;;The European Parliament, Autonomous Systems, Gender Equality
- 负责人：
- European Commission, Brussels; Directorate General Communication COMM.A.1 ′Strategy, Corporate Communication Actions And Eurobarometer′;;European
- 关键词：
- KAT12 International Institutions, Relations, Conditions KAT14 Political Issues KAT15 Political Attitudes and Behavior KAT38 Occupation, Profession KAT58 Technology, Energy KAT59 Medicine KAT62 Communication, Public Opinion, Media KAT54 Person, Personality, Role
- DOI：
- doi:10.4232/1.13044
- 摘要：
- device: ability to smoke in places where tobacco smoking is prohibited, wish to stop or reduce tobacco smoking, considering them attractive; impact of usi
