筛选
科学数据
统计数据
共检索到73条 ,权限内显示50条;
Data from: Development of a protocol for environmental impact studies using causal modelling
- 负责人：
- DOI：
- doi:10.5061/dryad.5ht02g0
- 摘要：
- n activities. 2- Knowing the causal structure of a complex ecosystem will enable managers to identify key anthropogenic, climate and flow drivers of water quality, and ma
Diversity and abundance of birds and insects on organic and conventional farms in southern Finland, 2000 - 2006
- 负责人：
- 关键词：
- farmland birds butterflies diurnal moths bumblebees organic farming agricultural landscape agri-environmental programme Finland
- DOI：
- doi:10.5063/aa/marjaana_toivonen.74.7
- 摘要：
- , J. 2010. Effects of management and landscape structure on biodiversity in boreal agricultural landscapes. Ph.D. thesis, University of Helsinki.
Diversity and abundance of birds and insects on organic and conventional farms in southern Finland, 2000 - 2006
- 负责人：
- 关键词：
- farmland birds butterflies diurnal moths bumblebees organic farming agricultural landscape agri-environmental programme Finland
- DOI：
- doi:10.5063/aa/marjaana_toivonen.74.9
- 摘要：
- , J. 2010. Effects of management and landscape structure on biodiversity in boreal agricultural landscapes. Ph.D. thesis, University of Helsinki.
Diversity and abundance of birds and insects on organic and conventional farms in southern Finland, 2000 - 2006
- 负责人：
- 关键词：
- farmland birds butterflies diurnal moths bumblebees organic farming agricultural landscape agri-environmental programme Finland
- DOI：
- doi:10.5063/aa/marjaana_toivonen.74.8
- 摘要：
- , J. 2010. Effects of management and landscape structure on biodiversity in boreal agricultural landscapes. Ph.D. thesis, University of Helsinki.
Data from: Consequences for piglet performance of group housing lactating sows at one, two, or three weeks post-farrowing
- 负责人：
- DOI：
- doi:10.5061/dryad.v5k62
- 摘要：
- nce, e.g., piglet growth. Moreover, piglet mortality is higher in systems using multi-suckling pens. Three management routines whereby lactating sows with piglets wer
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：
- field experiment to quantify associations between compost applications, semi-natural vegetation, pest control services and lettuce yields on organic farms throug
Data from: The relevance of ecological status to ecosystem functions and services in a large boreal lake
- 负责人：
- DOI：
- doi:10.5061/dryad.7h6p6
- 摘要：
- of ecosystem services. In practice these links have rarely been documented or even investigated and, to justify conservation and management objectives based on the status
Data from: Direct measurement of ant predation of weed seeds in wheat cropping
- 负责人：
- Evans, Theodore A.
- 关键词：
- ants agro-ecology biocontrol ecosystem services Formicidae Salsola seed predation tillage weeds
- DOI：
- doi:10.5061/dryad.3s40t
- 摘要：
- ly advantageous in organic systems, or locations where economic margins are low.
Data from: Suppression of the invasive plant mile-a-minute (Mikania micrantha) by local crop sweet potato (Ipomoea batatas) by means of higher
- 负责人：
- DOI：
- doi:10.5061/dryad.vb1qv
- 摘要：
- rations of soil organic matter total N total K available N available P available K exchange Ca exchange Mg available Mn and available B were significantly greater (P<0.05
Data from: Do microorganism stoichiometric alterations affect carbon sequestration in paddy soil subjected to phosphorus input?
- 负责人：
- DOI：
- doi:10.5061/dryad.6m11c
- 摘要：
- possibilities for linking microbial dynamics to soil carbon (C) metabolism in response to agricultural nutrient management. Despite its importance to crop yield
