筛选
科学数据
统计数据
共检索到645条 ,权限内显示50条;
Food Policy Research Capacity Indicators (FPRCI), 2011-2017: 2018 Global Food Policy Report Annex Table 4
- 负责人:
- IFPRI-Data;;International Food Policy Research Institue (IFPRI)
- 关键词:
- DOI:
- doi:10.7910/dvn/lr6cqc
- 摘要:
- Food policy research plays a crucial role in guiding the agricultural development of countries. To achieve food security goals, countries nee
Data from: Manipulation of parental nutritional condition reveals competition among family members
- 负责人:
- Steiger, Sandra
- 关键词:
- parental care competition sexual conflict shared resources burying beetles Nicrophorus family life
- DOI:
- doi:10.5061/dryad.mb88mh2
- 摘要:
- r young on valuable food sources such as dung or carcasses, as parents are able to invest in self-maintenance by feeding from the same resource. However, this mig
Data from: Low food availability during gestation enhances offspring post-natal growth, but reduces survival, in a viviparous lizard
- 负责人:
- DOI:
- doi:10.5061/dryad.3sk8ht4
- 摘要:
- . We tested these hypotheses in a viviparous lizard using a factorial experimental design in which mothers received either high or low amounts of food duri
Data from: Provisioning tactics of great tits (Parus major) in response to long-term brood size manipulations differ across years
- 负责人:
- DOI:
- doi:10.5061/dryad.406fd
- 摘要:
- demand by decreasing mean inter-visit intervals (IVIs) and reducing prey selectivity, which produced equal average long-term delivery of food to nestlings
Data from: Turbulence induces metabolically costly behaviors and inhibits food capture in oyster larvae, causing net energy loss
- 负责人:
- DOI:
- doi:10.5061/dryad.7rr7m
- 摘要:
- of coastal waters, larvae lost energy even when food concentrations were very high. Both feeding activity and turbulence-induced behaviors incurred high
Current Population Survey, December 2007: Food Security Supplement;;Version 2
- 负责人:
- 关键词:
- DOI:
- doi:10.3886/icpsr24402.v2
- 摘要:
- on the topic of food security in the United States, which was administered as a supplement to the December 2007 CPS questionnaire. The CPS Food
Current Population Survey, December 2007: Food Security Supplement;;Archival Version
- 负责人:
- 关键词:
- DOI:
- doi:10.3886/icpsr24402
- 摘要:
- on the topic of food security in the United States, which was administered as a supplement to the December 2007 CPS questionnaire. The CPS Food
Current Population Survey, December 2011: Food Security Supplement;;Version 1
- 负责人:
- 关键词:
- DOI:
- doi:10.3886/icpsr34434.v1
- 摘要:
- on the topic of Food Security in the United States, which was administered as a supplement to the December 2011 CPS questionnaire. The CPS Food
Current Population Survey, December 2011: Food Security Supplement;;Archival Version
- 负责人:
- 关键词:
- DOI:
- doi:10.3886/icpsr34434
- 摘要:
- on the topic of Food Security in the United States, which was administered as a supplement to the December 2011 CPS questionnaire. The CPS Food
Data from: The adaptive capacity of lake food webs: from individuals to ecosystems
- 负责人:
- DOI:
- doi:10.5061/dryad.f4mc7
- 摘要:
- Aquatic ecosystems support size structured food webs, wherein predator-prey body sizes span orders of magnitude. As such, these food webs are replete