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共检索到109条 ,权限内显示50条;
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：
- ?llig ausgew?hlte Person, die 18 Jahre und ?lter war (RSI).(Ausführliche Angaben zur Auswahl sind in den Publikationen zu finden.)
SGS-LTER Long-term Seasonal Root Biomass on the Central Plains Experimental Range, Nunn, Colorado, USA 1985-2007, ARS Study Number 3
- 负责人：
- Colorado State University. Libraries;;Colorado State University. Libraries
- DOI：
- doi:10.25675/10217/85665
- 摘要：
- ng on the Shortgrass Steppe Long Term Ecological Research (SGS-LTER) Project, administered at Colorado State University. Long-term datasets and background inf
SGS-LTER Impact of Labile and Recalcitrant Carbon Treatments on Plant Communities in a Semiarid Ecosystem on the Central Plains Experimental Range
- 负责人：
- Colorado State University. Libraries;;Colorado State University. Libraries
- DOI：
- doi:10.25675/10217/85547
- 摘要：
- ng on the Shortgrass Steppe Long Term Ecological Research (SGS-LTER) Project, administered at Colorado State University. Long-term datasets and background inf
SGS-LTER Long-Term Monitoring Project: Spermophilus tridecemlineatus on Small Mammal Trapping Webs on the Central Plains Experimental Range, Nunn
- 负责人：
- Colorado State University. Libraries;;Colorado State University. Libraries
- DOI：
- doi:10.25675/10217/83456
- 摘要：
- ng on the Shortgrass Steppe Long Term Ecological Research (SGS-LTER) Project, administered at Colorado State University. Long-term datasets and background inf
Plant Density of Perennial Forbs and Subshrubs at Permanent Quadrat Locations on the Jornada Experimental Range (Jornada Basin LTER), 1915-2006
- 负责人：
- 关键词：
- DOI：
- doi:10.6073/pasta/9590e24b1ce386594773504fe77fb475
- 摘要：
- -lter-jrn.210351001).
Eurobarometer 72.5 (Oct-Nov 2009);;Eurobarometer 72.5 (Oct-Nov 2009);;E-Communications, Agriculture, Geographical and Labor Market Mobility
- 负责人：
- TNS Dimarso, Brussels, Belgium TNS BBSS, Sofia, Bulgaria TNS Aisa, Prague, Czech Republic TNS GALLUP DK, Copenhagen, Denmark TNS Infratest, Munich
- 关键词：
- KAT12 International Institutions, Relations, Conditions KAT58 Technology, Energy KAT62 Communication, Public Opinion, Media KAT59 Medicine KAT36 Branches of Economy, Services and Transport KAT38 Occupation, Profession KAT51 Community, Living Environment KAT65 Natural Environment, Nature
- DOI：
- doi:10.4232/1.11351
- 摘要：
- ; Gewichtungsfaktor.;;Mündliche Befragung mit standardisiertem Fragebogen (CAPI);;Personen im Alter von 15 Jahren und ?lter;;Mehrstufig geschichtete Zufallsauswahl nach
Data from: Long-term agricultural management does not alter the evolution of a soybean-rhizobium mutualism
- 负责人：
- Lau, Jennifer
- DOI：
- doi:10.5061/dryad.1h3k8
- 摘要：
- to plant hosts and fix less nitrogen. This study capitalized on an LTER (Long Term Ecological Research) experiment that manipulated agricult
Eurobarometer 62.2 (2004);;Eurobarometer 62.2 (2004)
- 负责人：
- ?sterreichisches GALLUP, Vienna, Austria;;?sterreichisches GALLUP, Vienna, Austria;;TNS Dimarso, Bruxelles, Belgium;;TNS Dimarso, Bruxelles, Belgium
- DOI：
- doi:10.4232/1.4231
- 摘要：
- und ?lter;;A multi-stage, random (probability) sampling design was used for this Eurobarometer. In the first stage, primary sampling units (PSU) wer
SGS-LTER Long-term Monitoring Project: Carnivore Scat Count on the Central Plains Experimental Range, Nunn, Colorado, USA 1997 -2006, ARS Study Number
- 负责人：
- Colorado State University. Libraries;;Colorado State University. Libraries
- DOI：
- doi:10.25675/10217/83392
- 摘要：
- ng on the Shortgrass Steppe Long Term Ecological Research (SGS-LTER) Project, administered at Colorado State University. Long-term datasets and background inf
Living Condition Survey Estonia, Lithuania and Latvia 1999 (Household roster);;Living Condition Survey Estonia, Lithuania and Latvia 1999 (Household
- 负责人：
- Statistical Office Of Estonia Central Statistical Bureau Of Latvia Statistics Lithuania
- DOI：
- doi:10.4232/1.4676
- 摘要：
- ?hlte Person, die 18 Jahre und ?lter war (RSI).(Ausführliche Angaben zur Auswahl sind in den Publikationen zu finden.)
