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共检索到31条 ,权限内显示50条;
Africa RISING project: Local agro-ecological knowledge as a basis for sustainable intensification of tree- crop- livestock systems in the Ethiopian
- 负责人:
- 关键词:
- DOI:
- doi:10.34725/dvn/25286
- 摘要:
- \t· To characterise existing tree cover and assess the drivers of tree cover change \t· To determine temporal variation in availability of provisioning services
Multivariable field trial data sets of organic and extensive cropping systems for agro-ecosystem modelling in 1992-1998 from Müncheberg,Germany
- 负责人:
- Leibniz Centre For Agricultural Landscape Research (ZALF) E.V. , Müncheberg (Germany);;Research Platform Models And Simulation, Leibniz Centre
- 关键词:
- management agriculture ecosystem model soil soil water crop rotation yield (agricultural) weather weather monitoring
- DOI:
- doi:10.4228/zalf.1992.366
- 摘要:
- and irrigated conditions. Weather, soil and crop processes were intensively monitored and management actions were consistently recorded. The data set contains data for soil
Data from: Do differences in food web structure between organic and conventional farms affect the ecosystem service of pest control?
- 负责人:
- DOI:
- doi:10.5061/dryad.5fr85
- 摘要:
- than on conventional farms. However, differences in network structure did not translate into differences in robustness to simulated species loss
Data from: Does long distance pollen dispersal preclude inbreeding in tropical trees? Fragmentation genetics of Dysoxylum malabaricum in an agro
- 负责人:
- DOI:
- doi:10.5061/dryad.3ck30
- 摘要:
- and parentage analysis to directly estimate contemporary gene flow across a large area (216 km2) in a highly fragmented agro-forest landscape. A comparison of genetic diversi
Data from: Agricultural practices for food safety threaten pest control services for fresh produce
- 负责人:
- 关键词:
- agriculture agro-ecology biological control co-management compost foodborne disease food safety produce natural enemies pest control
- DOI:
- doi:10.5061/dryad.37cc5
- 摘要:
- about wildlife vectors and contaminated manures created pressure on growers to discontinue use of manure-based composts and remove nearby semi-natural vegetation
Data from: Can above-ground ecosystem services compensate for reduced fertilizer input and soil organic matter in annual crops?
- 负责人:
- Stijn van Gils
- DOI:
- doi:10.5061/dryad.s08f7
- 摘要:
- , pollinator visitation rate was more strongly related to yield at low pest pressure than at high pest pressure indicating trade-offs between above-ground services
Data from: Nectar accessibility determines fitness, flower choice and abundance of hoverflies that provide natural pest control
- 负责人:
- DOI:
- doi:10.5061/dryad.d37n0
- 摘要:
- 1. In modern agricultural landscapes many organisms providing ecosystem services such as pollination and natural pest control are likely constraine
Data from: Species composition and community structure of small pest rodents (Muridae) in cultivated and fallow fields in maize gro
- 负责人:
- Mayamba, Alex
- DOI:
- doi:10.5061/dryad.qv9471s
- 摘要:
- ) technique was employed to establish the species composition and community structure of small rodents in a maize-based agro ecosystem. Trapping
Malawi: Increase Dairy Production Through Improved Fodder
- 负责人:
- Snapp, Sieglende;;World Agroforestry Centre (ICRAF);;International Center For Tropical Agriculture (CIAT);;Lilongwe University Of Agr
- 关键词:
- DOI:
- doi:10.7910/dvn/ifspyc
- 摘要:
- of actors, (agro-dealers, extension services, NGOs, local government structures, etc) as R4D platforms for the two districts. Project web site: http://africa
Data from: Genome analysis reveals genetic admixture and signature of selection for productivity and environmental traits in Iraqi cattle
- 负责人:
- DOI:
- doi:10.5061/dryad.t35r32q
- 摘要:
- ted to the innate and acquired immunity responses, different environmental selection pressures (e.g. tick resistance, heat stress) and genes of commercial interes