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A regional, remote sensing-based approach to mapping land degradation in the Little Karoo, South Africa 期刊论文
发表期刊: JOURNAL OF ARID ENVIRONMENTS. 出版年: 2023, 卷号: 219
作者:  Kirsten, Tim;  Hoffman, Michael Timm;  Bell, Wesley Drummond;  Visser, Vernon
收藏  |  浏览/下载：36/0  |  提交时间：2024/09/29
Desertification  Drylands  Habitat condition  Land degradation assessment  Remote sensing  
Modelling land condition to augment Land Degradation Neutrality assessments - The succulent Karoo biome of South Africa as a case study 期刊论文
发表期刊: JOURNAL OF ARID ENVIRONMENTS. 出版年: 2023, 卷号: 219
作者:  Bell, Wesley;  Hoffman, M. Timm;  Visser, Vernon;  Kirsten, Tim
收藏  |  浏览/下载：31/0  |  提交时间：2024/09/29
Land Degradation Neutrality  Random forest  Land condition assessment  Succulent karoo  
An evaluation of different approaches which use Google Street View imagery to ground truth land degradation assessments 期刊论文
发表期刊: ENVIRONMENTAL MONITORING AND ASSESSMENT. 出版年: 2022, 卷号: 194, 期号: 10
作者:  Bell, Wesley Drummond;  Visser, Vernon;  Kirsten, Tim;  Hoffman, Michael Timm
收藏  |  浏览/下载：17/0  |  提交时间：2024/09/20
Land degradation assessment  Google Street View  Ground truth  
Regional land degradation assessment for dryland environments: The Namaqualand Hardeveld bioregion of the Succulent Karoo biome as a case-study 期刊论文
发表期刊: LAND DEGRADATION & DEVELOPMENT. 出版年: 2021, 卷号: 32, 期号: 7, 页码: 2287-2302
作者:  Bell, Wesley D.;  Hoffman, Michael T.;  Visser, Vernon
收藏  |  浏览/下载：29/0  |  提交时间：2021/07/30
archetypes  bioregional land degradation assessment  desertification  drylands  fuzzy classification  
Long-term changes in land use, land cover and vegetation in the Karoo drylands of South Africa: implications for degradation monitoring() 期刊论文
发表期刊: AFRICAN JOURNAL OF RANGE & FORAGE SCIENCE. 出版年: 2018, 卷号: 35, 期号: 3-4, 页码: 209-221
作者:  Hoffman, M. Timm;  Skowno, Andrew;  Bell, Wesley;  Mashele, Samukele
收藏  |  浏览/下载：18/0  |  提交时间：2019/11/29
desertification  land cover change  NDVI  remote sensing  repeat photography  
The lazy root : Will a change in the rainfall regime or increased anthropogenic nitrogen result in an alteration in the competitive balance between trees and grassed in a semi-arid South Africa savanna? 学位论文
学位授予机构: University of Cape Town, Faculty of Science, Department of Biological Sciences. 出版年: 2012
作者:  Bell;Wesley Drummond
收藏  |  浏览/下载：22/0  |  提交时间：2019/11/29
Botany  Climate Change