筛选
科学数据
统计数据
共检索到1615条 ,权限内显示50条;
Effects of Crime on After-School Youth Development Programs in the United States, 1993-1994;;Version 1
- 负责人:
- 关键词:
- DOI:
- doi:10.3886/icpsr06791.v1
- 摘要:
- This study obtained information on youth-serving organizations around the country that provide constructive activities for youth in the after-school
Data from: A hybrid organic-inorganic perovskite dataset
- 负责人:
- 关键词:
- bandgap;hybrid organic-inorganic perovskite;first-principles;hybrid perovskite;dielectric constant
- DOI:
- doi:10.5061/dryad.gq3rg
- 摘要:
- t can explore possible structure-property relationships and phenomenological models. Progressive extension of the dataset is expected as new organic cations bec
Data from: Do differences in food web structure between organic and conventional farms affect the ecosystem service of pest control?
- 负责人:
- DOI:
- doi:10.5061/dryad.5fr85
- 摘要:
- ve food webs from 10 replicate pairs of organic and conventional farms showed that organic farms have significantly more species at three trophic levels (plant
Data from: Do evolutionary constraints on thermal performance manifest at different organizational scales?
- 负责人:
- DOI:
- doi:10.5061/dryad.3ms89
- 摘要:
- The two foremost hypotheses on the evolutionary constraints on an organism's thermal sensitivity – the hotter-is-better expectati
Data from: Habituation in non-neural organisms: evidence from slime moulds
- 负责人:
- DOI:
- doi:10.5061/dryad.51j89
- 摘要:
- Learning, defined as a change in behaviour evoked by experience, has hitherto been investigated almost exclusively in multicellular neural organi
Data from: Reorganization of interaction networks modulates the persistence of species in late successional stages
- 负责人:
- DOI:
- doi:10.5061/dryad.5h187
- 摘要:
- 1.Ecological interaction networks constantly reorganize as interspecific interactions change across successional stages and environmental gradients
Data from: Cope’s Rule in a modular organism: directional evolution without an overarching macroevolutionary trend
- 负责人:
- DOI:
- doi:10.5061/dryad.nv89424
- 摘要:
- . Patterns and mechanisms in colonial organisms cannot and should not be extrapolated from the better-studied unitary organisms. And even if macroevoluti
Data from: Organic farming increases richness of fungal taxa in the wheat phyllosphere
- 负责人:
- Karlsson, Ida
- DOI:
- doi:10.5061/dryad.01f10
- 摘要:
- Organic farming is often advocated as an approach to mitigate biodiversity loss on agricultural land. The phyllosphere provides a habitat for diverse
Microbiota transformation under the influence of agriculture in tundra zone
- 负责人:
- DOI:
- doi:10.25750/1995-4301-2010-3-052-058
- 摘要:
- The article presents the results of long-term research of the influence of tundra soils agricultural use on microorganisms' structure, ratio of diffe
Data from: Contrasting patterns of functional diversity in coffee root fungal communities associated with organic and conventionally-managed fields
- 负责人:
- DOI:
- doi:10.5061/dryad.q2bvq83g1
- 摘要:
- a high-throughput sequencing. Sequences were assigned to guilds to determine differences in functional diversity and trophic structure among coffee field environments. Organi