筛选
科学数据
统计数据
共检索到99条 ,权限内显示50条;
Eurobarometer 25, marts-april 1986;;Eurobarometer 25, March-April 1986
- 负责人：
- 关键词：
- Pollution Politik: Politisk adf?rd, holdninger\/meninger Politics: Mass political behaviour, attitudes\/opinion Politik: International politik og organisation Politics: International politics and organisations Information og kommunikation: Massemedier Information and communication: Mass media Samfund og kultur: Religion og v?rdier Society and culture: Religion and values Samfund og kultur: Fritid, turisme og sport
- DOI：
- doi:10.5279/dk-sa-dda-1246
- 摘要：
- g, - respondentens holdning til nationens medlemskab af EF samt udviklingen henimod et forenet Europa, - den generelle holdning til Europapar
Data from: Accounting for the effects of biological variability and temporal autocorrelation in assessing the preservation of species abundance
- 负责人：
- DOI：
- doi:10.5061/dryad.1637
- 摘要：
- iation in species composition thus arises from incomplete sampling of LAs and from natural temporal variation in the local community (together = premortem component of LD
Data from: Dynamics of coral reef benthic assemblages of the Abrolhos Bank, eastern Brazil: inferences on natural and anthropogenic drivers
- 负责人：
- DOI：
- doi:10.5061/dryad.mc034
- 摘要：
- species that may benefit from low light levels). An overall negative relationship between fleshy macroalgae and slow-growing reef-building organi
Data from: 19th-century collapse of a benthic marine ecosystem on the open continental shelf
- 负责人：
- Tomasovych, Adam
- 关键词：
- historical ecology conservation paleobiology amino-acid racemization watershed history community paleoecology land use history
- DOI：
- doi:10.5061/dryad.0r76j.1
- 摘要：
- mainland continental shelf of Southern California reveal the recent, previously unsuspected extirpation of an extensive offshore shell-gravel ecosystem
-proximal regions (Pennsylvanian, western Argentina)
- 负责人：
- DOI：
- doi:10.5061/dryad.04gj1
- 摘要：
- with maximum diversity in the deep subtidal to a linear gradient with maximum values toward the offshore. However, relative compositional differences
Data from: Individual factors associated with time to non-adherence to ART pick-up within HIV care and treatment services in three health facili
- 负责人：
- 关键词：
- DOI：
- doi:10.5061/dryad.639k103
- 摘要：
- T pick-up was defined as a delay in pick-up ? 15 days. Descriptive statistics were used to calculate socio-demographic and clinical char
Data from: Shifts in North Sea forage fish productivity and potential fisheries yield
- 负责人：
- Van Deurs, Mikael
- 关键词：
- maximum sustianable yield functional complimentarity bottom-up effect small pelagic fisheries fisheries regime shift recruitment growth
- DOI：
- doi:10.5061/dryad.tq1f7
- 摘要：
- Forage fish populations support large scale fisheries and are key components of marine ecosystems across the world, linking secondar
Data from: Marine life in a greenhouse world: cephalopod biodiversity and biogeography during the early Late Cretaceous
- 负责人：
- DOI：
- doi:10.5061/dryad.126dg
- 摘要：
- y: (1) promote dispersal of marine species, leading to larger geographic ranges and decreased speciation and biodiversity, or (2) form isolated epicontine
Eurobarometer 81.3: The Environment and the European Area of Skills and Qualifications, April-May 2014;;Archival Version
- 负责人：
- 关键词：
- DOI：
- doi:10.3886/icpsr36242
- 摘要：
- selection was systematic with probability proportional to population size, from sampling frames stratified by the degree of urbanization. In the next stage
Eurobarometer 81.3: The Environment and the European Area of Skills and Qualifications, April-May 2014;;Version 1
- 负责人：
- 关键词：
- DOI：
- doi:10.3886/icpsr36242.v1
- 摘要：
- selection was systematic with probability proportional to population size, from sampling frames stratified by the degree of urbanization. In the next stage
