埃塞俄比亚南部博拉纳牧场木本入侵物种入侵的环境和经济成本估算:采用参与式方法

IF 0.6 4区 环境科学与生态学 Q4 ECOLOGY
F. Yeneayehu, Y. You, X.W. Xu, Y. Wang
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引用次数: 0

摘要

. 目前,木本入侵物种对环境和经济的影响以及对国家国内生产总值的影响。这是在Borana牧场观察到的,那里发生了几种木质入侵物种的入侵。本文旨在利用参与式调查方法,以木本入侵物种的分布和丰度为重点,估算其环境和经济成本。这种方法通过管理成本的比率和各种家庭的年支出来估计每个物种的平均成本。博拉纳草地共记录到12种优势木本入侵种,占牧区的大部分,其中以金合欢种最为优势。每年,由于木质入侵物种的入侵,每个家庭的经济成本估计总计为2990万美元或11亿埃塞俄比亚比尔,每人每年的经济成本约为424美元或15,137埃塞俄比亚比尔。金合欢(Acacia drepanolobium)、金合欢(Acacia bussei)和金合欢(Acacia mellifera)的成本估计最高,占估计总经济成本的66%,其次是金合欢(Capparis tomentosa),也对生态服务产生不利影响。这种经济成本评估可以作为树种影响排序和采取优先管理措施的货币依据。此外,本研究所采用的成本估算方法可作为评估其他地区林地入侵物种经济影响的模型。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
ESTIMATION OF ENVIRONMENTAL AND ECONOMIC COSTS ASSOCIATED WITH ENCROACHMENT OF WOODY INVASIVE SPECIES IN THE BORANA RANGELAND, SOUTHERN ETHIOPIA: USING PARTICIPATORY APPROACH
. Currently, woody invasive species cause for environmental and economic impacts and effect on country gross domestic product. This is observed in Borana rangeland where several woody invasive species infestation happened. This paper aimed to estimate environmental and economic cost of woody invasive species focusing on its distribution and abundance using participatory survey approaches. This approach estimates an average cost for each species by a ratio of management costs, and the annually expenditures incurred by a variety of households. Twelve (12) dominating woody invasive species were recorded in Borana rangeland that are encroached major part of grazing area and Acacia species are the most dominant one. Annually, from each household an estimated total of $29.9 million or 1.1 billion Ethiopian birr economic cost was recorded due to encroachment of woody invasive species and annual economic cost per person was around $424 or 15,137 Ethiopian birr. Cost estimates are the highest for Acacia species ( Acacia drepanolobium, Acacia bussei and Acacia mellifera ) accounting for 66% of the total estimated economic cost, followed by Capparis tomentosa, which also adversely impacts on ecological services. Such economic cost assessment of woody invasive species used as a monetary basis for ranking the species based on their impact and take prioritizing management actions. Further, the cost estimate approach used in this study could help as a model for woody invasive species economic impact assessments in other part of the rangeland area.
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来源期刊
Applied Ecology and Environmental Research
Applied Ecology and Environmental Research ECOLOGY-ENVIRONMENTAL SCIENCES
CiteScore
1.40
自引率
14.30%
发文量
104
审稿时长
14 months
期刊介绍: The Journal publishes original research papers and review articles. Researchers from all countries are invited to publish pure or applied ecological, environmental, biogeographical, zoological, botanical, paleontological, biometrical-biomathematical and quantitative ecological or multidisciplinary agricultural research of international interest on its pages. The focus is on topics such as: -Community, ecosystem and global ecology- Biometrics, theoretical- and quantitative ecology- Multidisciplinary agricultural and environmental research- Sustainable and organic agriculture, natural resource management- Ecological methodology, monitoring and modeling- Biodiversity and ecosystem research, microbiology, botany and zoology- Biostatistics and modeling in epidemiology, public health and veterinary- Earth history, paleontology, extinctions, biogeography, biogeochemistry- Conservation biology, environmental protection- Ecological economics, natural capital and ecosystem services- Climatology, meteorology, climate change, climate-ecology. The Journal publishes theoretical papers as well as application-oriented contributions and practical case studies. There is no bias with regard to taxon or geographical area. Purely descriptive papers (like only taxonomic lists) will not be accepted for publication.
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