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共检索到16条 ,权限内显示50条;
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Kenya, Land Tenure, Agricultural Productivity and the Environment: Suba and Laikipia Districts, 2001
- 负责人:
- IFPRI-DATA;;International Food Policy Research Institute (IFPRI)
- 关键词:
- DOI:
- doi:10.7910/dvn/enqb3a
- 摘要:
- and investment in environmental conservation and soil fertility enhancement and maintenance; \u2022Establish the link between tenure system
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
Data from: Resource selection and landscape change reveal mechanisms suppressing population recovery for the world's most endangered antelope
- 负责人:
- Goheen, Jacob R.
- 关键词:
- endangered species habitat loss megaherbivore declines predation risk reintroduction tree encroachment elephant extinction refugee species
- DOI:
- doi:10.5061/dryad.p1v07
- 摘要:
- of trees, and grass seeding), increased enforcement of an existing protected area (Arawale National Reserve), and reintroductions to enhance recovery
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
Data from: The importance of crown dimensions to improve tropical tree biomass estimates
- 负责人:
- DOI:
- doi:10.5061/dryad.p281g
- 摘要:
- rtain. Recent studies suggest that once tree height is accounted for in biomass calculations, in addition to diameter and wood density, carbon stock estimates
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of the European Union, Social Problems and Welfare, and European Elections;;Globalization, Personal Values and Priorities, European Identity, Future of the European Union
- 负责人:
- ;;TNS Infratest, Munich, Germany;;Emor, Tallinn, Estonia;;TNS ICAP, Athens, Greece;;TNS Demoscopia, Madrid, Spain;;TNS Sofres, Montrouge, France;;TNS MRBI
- 关键词:
- KAT12 International Institutions, Relations, Conditions KAT14 Political Issues KAT31 Economic Policy, National Economic Situation KAT42 Stock Market and Monetary Transactions
- DOI:
- doi:10.4232/1.11135
- 摘要:
- , food safety, environmental protection, health, equality between men and women, supporting agriculture, promoting democracy and world peace, cooperation in rese
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nge, and Chemical Products;;European Parliament and Elections, Economic Crisis, Climate Change, and Chemical Products
- 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 KAT14 Political Issues KAT31 Economic Policy, National Economic Situation KAT42 Stock Market and Monetary Transactions KAT59 Medicine
- DOI:
- doi:10.4232/1.11756
- 摘要:
- , inadequate consideration of problems that concern the respondent by the European Parliament; insufficient knowledge to vote); preferred issues of the campaign
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Eurobarometer 64.2 (Oct-Nov 2005);;Eurobarometer 64.2 (Oct-Nov 2005);;The European Constitution, Globalization, Energy Resource
- 负责人:
- , Montrouge, France;;TNS MRBI, Dublin, Ireland;;TNS Abacus, Milan, Italy;;Synovate, Nicosia, Cyprus;;KADEM, Nikosia, Turkish Cypriot Comm.;;TNS Latvia, Riga
- 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:
- ropean Constitution after the rejection by France and the Netherlands.Demography: nationality; occupation; professional status; left-right self-placement