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共检索到26条 ,权限内显示50条;

Mauritius Hemp [Furcraea Foetida] field, Malawi, ca.1911
- 负责人:
- 关键词:
- Croplands agriculture farming
- DOI:
- doi:10.25549/impa-c123-79835
- 摘要:
- e cloud covered mountains in the distance. The photograph has been taken by an A. J. Storey, who worked on developing crops with good yields. ? From a Photograph

Data from: Diversity and composition of tropical butterflies along an Afromontane agricultural gradient in the Jimma Highlands, Ethiopia
- 负责人:
- DOI:
- doi:10.5061/dryad.nc95n
- 摘要:
- forest (SMCF), exotic timber plantations, open woodland, croplands and pasture. Surveys were conducted in 29 one-hectare plots and repeated five times bet

Data from: Ecosystem carbon exchange on conversion of Conservation Reserve Program grasslands to annual and perennial cropping systems
- 负责人:
- Abraha, Michael
- 关键词:
- Eddy Covariance Net ecosystem exchange Land use change Corn Switchgrass Restored prairie Climate change mitigation
- DOI:
- doi:10.5061/dryad.sc41rn3
- 摘要:
- type and management in agricultural ecosystem C balance. Results suggest that converting croplands to grasslands results in immediate C gains whereas converting

Coffee crops, Livingstonia, Malawi, ca.1903
- 负责人:
- DOI:
- doi:10.25549/impa-c123-80302
- 摘要:
- of the Livingstonia Mission and a major financial contributor. A number of attempts were made to grow cash crops at the Institution. ? Album containing photographs

Data from: The biodiversity benefit of native forests and mixed-species plantations over monoculture plantations
- 负责人:
- 关键词:
- Metabarcoding;biodiversity;Grain for Green Program;Arthropoda;China;reforestation;Forest management
- DOI:
- doi:10.5061/dryad.70c92t2
- 摘要:
- Methods: We sampled arthropod communities using pan traps in the land-cover types concerned under the GFGP. These land-use types include croplands

Net Negative Global Warming Potential By Nutrient Management In Arid Cropland In China
- 负责人:
- 关键词:
- DOI:
- doi:10.5281/zenodo.1461081
- 摘要:
- croplands compared to other climatic conditions. Between lower greenhouse gas emissions and potential for increased soil carbon sequestration due to impro

Net Negative Global Warming Potential By Nutrient Management In Arid Cropland In China
- 负责人:
- 关键词:
- DOI:
- doi:10.5281/zenodo.1461082
- 摘要:
- croplands compared to other climatic conditions. Between lower greenhouse gas emissions and potential for increased soil carbon sequestration due to impro

NPP Cropland: Gridded Estimates for the Central U.S.A., 1982-1996
- 负责人:
- DOI:
- doi:10.5063/aa/nceas.184.2
- 摘要:
- harvested yield, as recorded in national agricultural statistics. The magnitudes and inter-annual variations in NPP of croplands in the US Mid-West were estimated

NPP Cropland: Gridded Estimates for the Central U.S.A., 1982-1996
- 负责人:
- DOI:
- doi:10.5063/aa/nceas.184.8
- 摘要:
- harvested yield, as recorded in national agricultural statistics. The magnitudes and inter-annual variations in NPP of croplands in the US Mid-West were estimated

NPP Cropland: Gridded Estimates for the Central U.S.A., 1982-1996
- 负责人:
- DOI:
- doi:10.5063/aa/nceas.184.1
- 摘要:
- harvested yield, as recorded in national agricultural statistics. The magnitudes and inter-annual variations in NPP of croplands in the US Mid-West were estimated