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Livestock production systems
- 负责人：
- 关键词：
- DOI：
- doi:10.4225/08/5aa068b33fe06
- 摘要：
- A spatially disaggregated global livestock dataset containing information on biomass use, production, feed efficiency, excreti
Modelling beef cattle production systems from the Pampas in Brazil to assess intensification options
- 负责人：
- DOI：
- doi:10.6084/m9.figshare.10258262
- 摘要：
- ABSTRACT Traditional livestock productivity is hard to estimate, since it depends on a gamut of animal production indicators that are difficult
Agricultural Total Factor Productivity (TFP), 2000-2016
- 负责人：
- IFPRI-Data;;International Food Policy Research Institue (IFPRI)
- 关键词：
- DOI：
- doi:10.7910/dvn/pjdgtj
- 摘要：
- ng food security. To measure the efficiency of agricultural systems, we use total factor productivity (TFP). TFP is an indicator of how efficiently agricultural
Farm system characterization of two municipalities in the Nicaragua-Honduras Sentinel Landscape
- 负责人：
- Carre?o-Rocabado, Geovana;;World Agroforetry Centre (ICRAF);;Tropical Agricultural Research And Higher Education Center
- 关键词：
- DOI：
- doi:10.34725/dvn/vkrshe
- 摘要：
- rs of managing the use, planting distance, seeded varieties. f) Productivity: crop yields and animal production, maximum historical production, minimal production
Data from: Life-history strategy and behavioral type: risk-tolerance reflects growth rate and energy allocation in ant colonies
- 负责人：
- Bengston, Sarah
- DOI：
- doi:10.5061/dryad.0062v
- 摘要：
- intenance or reproduction drives several distinct traits in physiology, morphology, and energy use; it also predicts that an individual's willingness to engage in risky
Feasible Extraction of Wheat Residues in the Western Cape
- 负责人：
- South African Environmental Observation Network
- 关键词：
- biomass potential agriculture residue wheat Agriculture Commercial crop system Energy Bioenergy
- DOI：
- doi:10.15493/bea.data.10000072
- 摘要：
- of the Western Cape (2014). * On such land, production of wheat was estimated from scaled net primary productivity (Schulze et. al.) with yield estima
Total and Partial Factor Productivity in Developing Countries
- 负责人：
- IFPRI-Data;;International Food Policy Research Institute
- 关键词：
- DOI：
- doi:10.7910/dvn/2s8bz6
- 摘要：
- Total factor productivity (TFP) is the ratio of total output (crop and livestock products) to total production inputs (land, labor, capital
Data from: Lianas reduce community-level canopy tree reproduction in a Panamanian forest
- 负责人：
- Schnitzer, Stefan
- 关键词：
- Plant–plant interactions Determinants of plant community diversity and structure community ecology competition dispersal limitation liana cutting tropical forests
- DOI：
- doi:10.5061/dryad.m2471
- 摘要：
- canopy tree reproduction. Reduced reproduction increases canopy tree seed and dispersal limitations, and may interfere with deterministic mechanisms though
es glareolus) before and after reproduction
- 负责人：
- O?dakowski, ?ukasz
- DOI：
- doi:10.5061/dryad.779k1h4
- 摘要：
- ng reproduction has been proposed as a plausible candidate. 2. Previous studies of oxidative stress during reproduction in animals under natural conditions hav
Data from: Reproductive skipping as an optimal life history strategy in the southern elephant seal, Mirounga leonina
- 负责人：
- Griffen, Blaine
- 关键词：
- Body mass Dynamic state variable model Individual heterogeneity Intermittent breeding Life history Lifetime reproductive output Marine mammal Reproductive skipping Stochastic dynamic programming Survival
- DOI：
- doi:10.5061/dryad.1b8m917
- 摘要：
- when southern elephant seals are predicted to optimally skip reproduction in order to maximize lifetime reproductive output as a function of current body mass, maternal
