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科学数据
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共检索到197条 ,权限内显示50条;
Hydro-CH2018 reservoirs
- 负责人：
- Brunner, Manuela Irene
- DOI：
- doi:10.16904/envidat.69
- 摘要：
- The dataset Hydro-CH2018 reservoirs provides estimates of current and future water supply, water demand, and storage volumes for 307 medium-sized
Data from: Argentine ants (Linepithema humile) use adaptable transportation networks to track changes in resource quality
- 负责人：
- Latty, Tanya
- DOI：
- doi:10.5061/dryad.t21kq
- 摘要：
- removed from the network. At the same time, we observed several instances where new trails appear to have been built to accommodate a surge in demand
Data from: Key pollen host plants provide balanced diets for wild bee larvae: a lesson for planting flower strips and hedgerows
- 负责人：
- Filipiak, Micha?
- DOI：
- doi:10.5061/dryad.3jb647c
- 摘要：
- ; an ecological stoichiometry framework was applied. The stoichiometric ratios of 12 elements were investigated in bee bodies and cocoons (reflecting nutritional demand
Mathematical model for optimizing feed mix raw material requirement and estimating the impacts of government policies and storage capacity
- 负责人：
- Jirachai Buddhakulsomsiri, Advisor
- 关键词：
- Feed mix problem Feed formulation Linear programming Cost optimization Government policy Scenarios analysis
- DOI：
- doi:10.14457/tu.the.2018.127
- 摘要：
- on determining optimal purchase and usage amounts of domestic and imported raw materials to satisfy monthly demands of major feeds from downstream
Data from: Animal-mediated organic matter transformation: aquatic insects as a source of microbially bioavailable organic nutrients and energy
- 负责人：
- Parr, Thomas
- 关键词：
- biogeochemical cycling brown food web consumer nutrient dynamics dissolved organic carbon dissolved organic nitrogen organic matter decomposition microbial ecosystem
- DOI：
- doi:10.5061/dryad.ts8fd6m
- 摘要：
- t the insect community, conservatively, excreted 1.62 mg of bioavailable DOC·m-2·h-1 and through steady-state additions measured an ambient labile C demand as 3.97±0.67
Data from: Biomarker of burden: feather corticosterone reflects energetic expenditure and allostatic overload in captive waterfowl
- 负责人：
- DOI：
- doi:10.5061/dryad.dc37q
- 摘要：
- and life history stages. When energy demands exceed physiological set points modulated by glucocorticoid hormones, individuals may experience allostatic over
Data from: Individual variation in parental workload and breeding productivity in female European starlings: is the effort worth it?
- 负责人：
- DOI：
- doi:10.5061/dryad.63n3f
- 摘要：
- , temperature) and metrics of individual quality (laying date, clutch size, amount of male provisioning help), and was only weakly associated with chick demand
Data from: Centennial-scale reductions in nitrogen availability in temperate forests of the United States
- 负责人：
- DOI：
- doi:10.5061/dryad.q6p50
- 摘要：
- d atmospheric carbon dioxide concentrations—are increasing demand for N, the element limiting primary productivity in temperate forests, which could be reducing N availability
Data from: Threshold elemental ratios and the temperature dependence of herbivory in fishes
- 负责人：
- DOI：
- doi:10.5061/dryad.d5f6h00
- 摘要：
- , but variation in food quality and consumer traits that reduce P demand and/or increase P efficiency can create exceptions to these patterns.
A perfect pick
- 负责人：
- DOI：
- doi:10.25549/usctheses-c127-655594
- 摘要：
- Americans are eating more avocados than ever before. Although the demand is high for avocados and California is the largest grower in the U.S.
