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共检索到597条 ,权限内显示50条;
Data from: Population assignment and local adaptation along an isolation-by-distance gradient in Pacific cod (Gadus macrocephalus)
- 负责人：
- Hauser, Lorenz
- DOI：
- doi:10.5061/dryad.402sb71
- 摘要：
- The discernment of populations as management units is a fundamental prerequisite for sustainable exploitation of species. A lack of clear stock
Livestock production systems
- 负责人：
- 关键词：
- DOI：
- doi:10.4225/08/5aa068b33fe06
- 摘要：
- % of biomass for animals while continuing to be at the epicentre of land conversion processes; and (iii) the importance of mixed crop\u2013livestock system
Data from: Highly diversified crop-livestock farming systems reshape wild bird communities
- 负责人：
- DOI：
- doi:10.5061/dryad.rjdfn2z62
- 摘要：
- vegetables and fruits alone or integrated livestock into production. Crop-livestock systems harbored higher native bird density and richness relative to crop only farms
Data from: Carbon sequestration and soil restoration potential of grazing lands under exclosure management in a semi-arid environment of northern Ethiopia
- 负责人：
- DOI：
- doi:10.5061/dryad.v7t77ts
- 摘要：
- and soil nutrients under five and ten years of grazing exclosures and freely grazed areas in Tigray, northern Ethiopia. Vegetation biomass, carbon stocks
Data from: Stock enhancement or sea ranching? Insights from monitoring the genetic diversity, relatedness and effective size in a seeded gre
- 负责人：
- Charrier, Grégory
- DOI：
- doi:10.5061/dryad.vh942
- 摘要：
- The mass release of hatchery-propagated stocks raises numerous questions concerning its efficiency in terms of local recruitment and effec
Phillipines Smallholder Livestock Production, 2000 - 2001
- 负责人：
- IFPRI Data;;International Food Policy Research Institute (IFPRI)
- 关键词：
- DOI：
- doi:10.7910/dvn/rz2udt
- 摘要：
- -commercial growers (who employ hired labor and use external financing for livestock production) holding an inventory ranging up to 300 head of hogs at any give
Philippines, Smallholder livestock production dataset, 2000-2001
- 负责人：
- IFPRI-DATA;;International Food Policy Research Institute (IFPRI)
- 关键词：
- DOI：
- doi:10.7910/dvn/cxgyj7
- 摘要：
- -commercial growers (who employ hired labor and use external financing for livestock production) holding an inventory ranging up to 300 head of hogs at any give
Data from: Accuracy of assignment of Atlantic salmon (Salmo salar L.) to rivers and regions in Scotland and northeast England based on single nucleotide polymorphism (SNP) markers.
- 负责人：
- Gilbey, John
- DOI：
- doi:10.5061/dryad.12d36
- 摘要：
- , is aided by the ability to identify individuals to their stock of origin. Presented here are the results of an analysis of informative single nucleotide
Data from: Seasonal dynamics of spatial distribution and overlap between Northeast Arctic cod (Gadus morhua) and capelin (Mallotus villosus) in the Barents Sea
- 负责人：
- DOI：
- doi:10.5061/dryad.pv3rc1m
- 摘要：
- east Arctic cod stock (G. morhua) in the Barents Sea has increased greatly, and the sea has been exceptionally warm. Such changes have potentially large effects
Estimates of manure volumes by livestock type and land use for England and Wales
- 负责人：
- Gooday, Richard;;Environmental Information Data Centre
- DOI：
- doi:10.5285/517717f7-d044-42cf-a332-a257e0e80b5c
- 摘要：
- (2008) The National Inventory and Map of Livestock Manure Loadings to Agricultural Land: MANURES-GIS. Final Report for Defra Project WQ0103;;Results ar
