Land use/land cover dynamics, trade-offs and implications on tropical inland shallow lakes' ecosystems' management: Case of Lake Malombe, Malawi

被引:8
作者
Makwinja, Rodgers [1 ,2 ]
Mengistou, Seyoum [2 ]
Kaunda, Emmanuel [3 ]
Alamirew, Tena [4 ]
机构
[1] Addis Ababa Univ, Coll Nat & Computat Sci, African Ctr Excellence Water Management, POB 1176, Addis Ababa, Ethiopia
[2] Minist Forestry & Nat Resources, Dept Fisheries, Senga Bay Fisheries Res Ctr, POB 316, Salima, Malawi
[3] Lilongwe Univ Agr & Nat Resources, African Ctr Excellence Aquaculture & Fisheries Aq, Dept Fisheries Sci, POB 219, Lilongwe, Malawi
[4] Addis Ababa Univ, Water & Land Resource Ctr, POB 3880, Addis Ababa, Ethiopia
来源
SUSTAINABLE ENVIRONMENT | 2021年 / 7卷 / 01期
关键词
Ecosystem services; Land use; Land Cover dynamics; Lake Malombe; Trade-offs; CLIMATE-CHANGE; SOIL-EROSION; FISHERIES MANAGEMENT; WATER-LEVEL; SERVICES; IMPACT; BIODIVERSITY; WETLAND; CHILWA; AGRICULTURE;
D O I
10.1080/27658511.2021.1969139
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Lake Malombe supports various ecosystem services (ESs). However, it is increasingly experiencing human-induced pressure. This study used geospatial, household surveys, focus group discussion, key informant interviews, consultative meetings, and field observation on assessing the Land use/Land cover dynamics (LULCD), its trade-offs, and implications on ESs. The findings demonstrated a decrease in forest land (52,932 ha to 78,983 ha) at the expense of cultivated (52,932 ha to 78,983 ha) and settlements (7054 ha to 17,595 ha). Changes in ecological indicators such as fishery, river flow, soil erosion, turbidity, biodiversity, invasion of alien species, scenic beauty, extinction of some species, frequent flooding, cultural value, and carbon sequestration were significantly (p-<0.05) linked to some LULCD classes. The study findings are significant to policymakers, ecosystem managers, the local population, and various stakeholders in understanding conflicting interests and policy priorities to balance the lake ecological restoration and human welfare.
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页数:18
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