Arid
DOI10.1007/s13157-018-1073-y
Classification of Small Seasonal Ponds Based on Soil-Water Environments in the Cuvelai Seasonal Wetland System, North-Central Namibia
Fujioka, Yuichiro1; Watanabe, Yoshinori2; Mizuochi, Hiroki3; Itanna, Fisseha4; Ruben, Shou4; Iijima, Morio5
通讯作者Fujioka, Yuichiro
来源期刊WETLANDS
ISSN0277-5212
EISSN1943-6246
出版年2018
卷号38期号:5页码:1045-1057
英文摘要

The objectives of this study were to classify the small seasonal ponds that develop in the Cuvelai Seasonal Wetland System in north-central Namibia based on soil physicochemical properties so that potential agricultural uses of the ponds could be assessed. Satellite imagery was used to examine the relationships between soil characteristics and the probability of water presence in the region. Soil samples were collected from 66 ponds at three sites and their physicochemical properties and levels of salt accumulation were investigated. Soil data were analyzed by using principal component analysis and cluster analysis. The ponds were classified into four types based on soil properties. Type A accounted for 20% of the ponds and was characterized by high levels of clay, silt, total N, and exchangeable Ca, Mg, and K. Type B accounted for 14% of the ponds and was characterized by high values of organic C, C/N ratios, and available P. Type C accounted for 20% of the ponds, and this type featured high levels of salinity and sodicity. The remaining ponds were classified as Type D. If these seasonal ponds are to be considered for crop production, Type C should be avoided and Type D would require soil fertility improvements.


英文关键词Landscape classification Seasonal wetlands Crop cultivation Soil fertility Soil salinity and sodicity Semi-arid area
类型Article
语种英语
国家Japan ; Namibia
收录类别SCI-E
WOS记录号WOS:000450305300016
WOS关键词MULTISCALE CHARACTERIZATION ; WEST-AFRICA ; FERTILITY ; FLOODPLAIN ; MODIS
WOS类目Ecology ; Environmental Sciences
WOS研究方向Environmental Sciences & Ecology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/213738
作者单位1.Kyushu Univ, Fac Social & Cultural Studies, Fukuoka, Fukuoka 8190395, Japan;
2.Fukushima Univ, Fukushima 9601296, Japan;
3.Japan Aerosp Explorat Agcy JAXA, Earth Observat Res Ctr, 2-1-1 Sengen, Tsukuba, Ibaraki 3058505, Japan;
4.Univ Namibia, Fac Agr & Nat Resources, Private Bag 5520, Oshakati, Namibia;
5.Kindai Univ, Grad Sch Agr Sci, Nara 6318505, Japan
推荐引用方式
GB/T 7714
Fujioka, Yuichiro,Watanabe, Yoshinori,Mizuochi, Hiroki,et al. Classification of Small Seasonal Ponds Based on Soil-Water Environments in the Cuvelai Seasonal Wetland System, North-Central Namibia[J],2018,38(5):1045-1057.
APA Fujioka, Yuichiro,Watanabe, Yoshinori,Mizuochi, Hiroki,Itanna, Fisseha,Ruben, Shou,&Iijima, Morio.(2018).Classification of Small Seasonal Ponds Based on Soil-Water Environments in the Cuvelai Seasonal Wetland System, North-Central Namibia.WETLANDS,38(5),1045-1057.
MLA Fujioka, Yuichiro,et al."Classification of Small Seasonal Ponds Based on Soil-Water Environments in the Cuvelai Seasonal Wetland System, North-Central Namibia".WETLANDS 38.5(2018):1045-1057.
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