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Data from: Do polycultures promote win-wins or tradeoffs in agricultural ecosystem services? A meta-analysis
- 负责人:
- 关键词:
- yield additive design substitutive design agroecosystems biological control intercropping multifunctionality polyculture ecosystem services
- DOI:
- doi:10.5061/dryad.m1m50
- 摘要:
- win-win relationships and minimize trade-offs between services. 2. Through meta-analysis, we tested whether within-field crop diversification
Data from: Trade-offs and tritrophic consequences of host shifts in specialized root herbivores
- 负责人:
- DOI:
- doi:10.5061/dryad.3r041
- 摘要:
- Trade-offs in an herbivore's ability to feed, avoid predation and succeed on alternative hosts are thought to be major driving factors
Data from: Caste ratio adjustments in response to perceived and realised competition in parasites with division of labour
- 负责人:
- Lagrue, Clément
- 关键词:
- Division of labour social organisation colony structure castes rediae cercarial production Philophthalmus sp. Maritrema novaezealandense
- DOI:
- doi:10.5061/dryad.gb2bm7h
- 摘要:
- h the perceived threat of competition, and actual competition, with trade-offs against reproductive success only apparent when soldier numbers are very high
Data from: Experimental manipulation of female reproduction demonstrates its fitness costs in kangaroos
- 负责人:
- 关键词:
- body condition environmental effects individual heterogeneity mammal marsupial reproductive cost reproductive rate sex allocation trade-off
- DOI:
- doi:10.5061/dryad.58d51
- 摘要:
- 1. When resources are scarce, female mammals should face a trade-off between lactation and other life-history traits such as growth, survival
Data from: Plasma markers of oxidative stress are uncorrelated in a wild mammal
- 负责人:
- 关键词:
- DOI:
- doi:10.5061/dryad.6782r
- 摘要:
- nses and repair mechanisms, has been proposed as an important mediator of life-history trade-offs. A plethora of biomarkers associated with oxidative stress
Data from: Oxidant trade-offs in immunity: an experimental test in a lizard
- 负责人:
- DOI:
- doi:10.5061/dryad.4md11
- 摘要:
- -oxidant levels and a strong decrease in antioxidant levels compared to control individuals demonstrating a shift in the pro-/antioxidant balance
Data from: Context-dependent effects of yolk androgens on nestling growth and immune function in a multibrooded passerine
- 负责人:
- DOI:
- doi:10.5061/dryad.d1t81
- 摘要:
- rential allocation of physiologically active substances into yolks, such as androgens. Yolk androgens have been shown to accelerate embryonic development, growth rate and competitive ability of nestlings
International Social Survey Programme: Environment II - ISSP 2000;;International Social Survey Programme: Environment II - ISSP 2000
- 负责人:
- gue;;Carleton University Survey Centre, Canada;;Statistics Denmark, Kopenhagen;;Statistics Finland, Helsinki;;Infratest, München;;The Economic And Social
- DOI:
- doi:10.4232/1.3440
- 摘要:
- conscience even if they break the law;private enterprise needs control; all societies have inequalities; theworld is getting better.Demography: Age; sex