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共检索到31条 ,权限内显示50条;
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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