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| Characterizing Rangeland Ecosystems and Their Sustainable Management in a Changing Climate 学位论文
学位授予机构: Washington State University. 出版年: 2018
作者: Reyes, Julian J.
  收藏 | 浏览/下载：8/0 | 提交时间：2019/11/29
Climate change Ecosystem model Grassland Grazing Rangeland Sustainable management |
| 不同气候区湖泊地球化学记录的近现代环境演化过程及机理 学位论文
学位授予机构: 中国科学院大学. 出版年: 2017
作者: 沈贝贝
收藏 | 浏览/下载：7/0 | 提交时间：2019/12/04
lake sediments geochemistry indicators different climate zones lake environmental changes human activities |
| 干旱区绿洲棉田土壤CO2/N2O排放特征及减排潜力研究 学位论文
学位授予机构: 中国科学院大学. 出版年: 2017
作者: 俞永祥
收藏 | 浏览/下载：5/0 | 提交时间：2019/12/04
Oasis cotton field soil CO2/N2O emission plastic mulching fertilization nitrapyrin |
| Small remnant habitats : Important structures in fragmented landscapes 学位论文
学位授予机构: Stockholms universitet, Institutionen för naturgeografi, Stockholm : Department of Physical Geography, Stockholm University. 出版年: 2017
作者: Lindgren;Jessica
收藏 | 浏览/下载：3/0 | 提交时间：2019/11/29
Alpha-diversity Beta-diversity Biological pest control Canopy cover Connectivity Ecosystem function Fleshy fruits Forest edge Forest management Forest specialist species Fragmentation Functional diversity Gamma-diversity Grassland specialist species Green infrastructure Habitat amount hypothesis Island biogeography Midfield islets Plant diversity Plant-pollinator interaction Pollination Remnant habitat Seed predation Small habitats Species richness Structural heterogeneity Ecology Ekologi Milj?- och naturv?rdsvetenskap Physical Geography Naturgeografi |
| Institutional dynamics in a small-scale organic farming organisation : the case of the Ezemvelo Farmers' Organisation 学位论文
学位授予机构: University of the Western Cape. 出版年: 2017
作者: Msomi;Thulisile Felicity
收藏 | 浏览/下载：5/0 | 提交时间：2019/11/29
Contract Farming Communal land tenure Institutional dynamics Organic farming Agrarian transformation Land reform Ezemvelo Farmers' Organisation (EFO) |
| The Uneven Geography of River Conservation In The U.S.: Insights From The Application Of The Wild And Scenic Rivers Act 学位论文
学位授予机构: University of Oregon. 出版年: 2017
作者: Perry, Denielle M.
收藏 | 浏览/下载：3/0 | 提交时间：2019/11/29
Climate adaptation Conservation Legibility Political ecology Water resources |
| Strengthening agricultural knowledge systems for improved rural livelihoods in Morogoro region of Tanzania 学位论文
出版年: 2017
作者: Mtega;Wulystan Pius
收藏 | 浏览/下载：1/0 | 提交时间：2019/11/29
Agricultural knowledge systems Knowledge management Agricultural sector ICTs Agricultural information Agricultural knowledge processes Agricultural services Morogoro region Tanzania Farmers Agricultural sector 630.9678 |
| Agricultural Land Use, Watershed Characteristics, and Hydrological Forces Contributing to the Impairment of a Shallow Lake in the Western Corn Belt Ecoregion 学位论文
学位授予机构: Minnesota State University, Mankato. 出版年: 2017
作者: Schultz;Lynn L.
收藏 | 浏览/下载：8/0 | 提交时间：2019/11/29 |
| Viability, from a quality perspective on the reuse of wastewater effluents in the Southern Gauteng region, South Africa 学位论文
出版年: 2016
作者: Skosana;Gugulethu Given
收藏 | 浏览/下载：1/0 | 提交时间：2019/11/29
Water Resource Management Water Quality Water Conservation Demand Management UCTD |
| Ecosystem Services and Disservices in an Agriculture–Forest Mosaic : A Study of Forest and Tree Management and Landscape Transformation in Southwestern Ethiopia 学位论文
学位授予机构: Stockholms universitet, Kulturgeografiska institutionen, Stockholm : Department of Human Geography, Stockholm University. 出版年: 2016
作者: Ango;Tola Gemechu
收藏 | 浏览/下载：12/0 | 提交时间：2019/11/29
Conservation Deforestation Ecosystem disservices Ecosystem services Forest Ethiopia Land grabbing Livelihood Oromia Policies Political ecology Trees Tropical landscape mosaic |
