筛选
科学数据
统计数据
共检索到712条 ,权限内显示50条;
Data from: Terminal investment in the gustatory appeal of nuptial food gifts in crickets
- 负责人:
- DOI:
- doi:10.5061/dryad.tm706
- 摘要:
- 's life expectancy. The terminal investment hypothesis posits that a reduction in residual reproductive value (i.e., potential for future offspring) will result
Data from: Perceived impact of community kitchens on the food security of Syrian refugees and kitchen workers in Lebanon: Qualitative evidence
- 负责人:
- DOI:
- doi:10.5061/dryad.v2k8nf2
- 摘要:
- of these CKs, and their sustainability (both groups). Motivating factors for CWs included financial, internal and societal drivers, and the favorable type o
Data from: Tactic-specific differences in seminal fluid influence sperm performance
- 负责人:
- 关键词:
- DOI:
- doi:10.5061/dryad.1pb77
- 摘要:
- of sperm competition, by affecting also that of rivals. As a consequence males may be expected to allocate their investment in both sperm and seminal fluid in relation
Data from: Extent and cost of inappropriate use of tumour markers in patients with pulmonary disease: a multicentre retrospective study in Shanghai
- 负责人:
- DOI:
- doi:10.5061/dryad.nb3r0
- 摘要:
- with chronic obstructive pulmonary disease (COPD) and primary bronchogenic lung cancer (PLC). Based on clinical guidelines and physician experience, the criteria of suitability of TM examina
Data from: Sex-specific patterns of aging on sexual ornaments and gametes
- 负责人:
- DOI:
- doi:10.5061/dryad.4kg17
- 摘要:
- Sex differences in age-dependent mortality and reproductive success are predicted to drive the evolution of sexually dimorphic patterns
Data from: Surrounding pathogens shape maternal egg care but not egg production in the European earwig
- 负责人:
- DOI:
- doi:10.5061/dryad.pv50q
- 摘要:
- population). Finally, we found that spore presence did not influence maternal investment into egg grooming, egg gathering and egg defense, as well as int
Data from: Latitudinal variation in plant chemical defences drives latitudinal patterns of leaf herbivory
- 负责人:
- DOI:
- doi:10.5061/dryad.6r813
- 摘要:
- e we tested for latitudinal variation in herbivory, chemical defences (phenolic compounds), and nutritional traits (phosphorus and nitrogen) in leaves of a lon
Data from: Testing the terminal investment hypothesis in California oaks
- 负责人:
- Koenig, Walter D.
- DOI:
- doi:10.5061/dryad.51ft1
- 摘要:
- The terminal investment hypothesis—which proposes that reproductive investment should increase with age-related declines in reproductive value—ha
Data from: Differential allocation revisited: when should mate quality affect parental investment?
- 负责人:
- DOI:
- doi:10.5061/dryad.qc561
- 摘要:
- s in the marginal benefits or costs of extra investment. Additive male quality effects on the female cost function can cause a novel form of weak DA, because reduced costs
Flash Eurobarometer 184 (Access to Finance Among Small and Medium-sized Enterprises in the New Member States);;Flash Eurobarometer 184 (Acce
- 负责人:
- European Commission, Brussels DG Communication Public Opinion Analysis Sector;;Focus Agency, Prague, Czech Republic;;Saar Poll, Tallinn, Estonia
- 关键词:
- KAT12 International Institutions, Relations, Conditions KAT36 Branches of Economy, Services and Transport KAT42 Stock Market and Monetary Transactions Gesch?fts- \/ Industrie-Management und Organisation Internationale Politik und Institutionen Business \/ industrial management and organisation International politics and organisation
- DOI:
- doi:10.4232/1.12015
- 摘要:
- of its financing; assessment how the company\u2019s needs regarding financial management are met internally; preferred sources of information on financing.Demography