Ecosystem service demand and supply dynamics under different farming systems: A participatory GIS assessment in Malawi

IF 4 2区 地球科学 Q1 GEOGRAPHY Applied Geography Pub Date : 2024-08-12 DOI:10.1016/j.apgeog.2024.103372
Daniel Kpienbaareh , Rachel Bezner Kerr , Hanson Nyantakyi-Frimpong , Aaron Iverson , Isaac Luginaah , Esther Lupafya , Laifolo Dakishoni , Lizzie Shumba
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Abstract

The UN Sustainable Development Goals advocates providing training and technical assistance in developing and strengthening integrated monitoring systems to provide reliable forest resources and land use/change information needed for management planning. Several ecosystem service (ES) demand and supply assessments apply biophysical and econometric methods to evaluate ES use patterns. Decentralized participatory social assessments, however, incorporate farmers’ local knowledge and facilitate community-based management. Here, we assessed ES demand and supply in community forests using a participatory approach involving local farmers (N = 100) in Malawi. Indicators were collaboratively developed with stakeholders in intervention and control communities. We demonstrated that integrating local knowledge reveals nuances that biophysical and economic assessments may mask. ES demand outmatched supply in all study communities, as much as three times in some forests, but with variation from community to community. Demand for regulating services was higher in the intervention communities where agroecology is predominantly practiced, which farmers attributed to the knowledge about the role of forests in pollination and water and pest control on farm productivity. Differences in use patterns between communities with contrasting knowledge systems meant local knowledge influenced environmental behavior toward resource use. The study demonstrates the need for inclusive planning, assessment, and management of community forests.

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不同耕作制度下的生态系统服务供需动态:马拉维参与式地理信息系统评估
联合国可持续发展目标提倡在开发和加强综合监测系统方面提供培训和技术援助,以提供管理规划所需的可靠的森林资源和土地使用/变化信息。一些生态系统服务 (ES) 需求和供应评估采用生物物理和计量经济学方法来评估 ES 的使用模式。然而,分散参与式社会评估结合了农民的当地知识,促进了以社区为基础的管理。在此,我们采用参与式方法评估了马拉维当地农民(N = 100)对社区森林中生态系统服务的需求和供应。指标是与干预社区和对照社区的利益相关者共同制定的。我们证明,结合当地知识可以揭示生物物理和经济评估可能掩盖的细微差别。在所有研究社区,环境服务的需求量都大于供应量,有些森林的需求量甚至是供应量的三倍,但各社区之间存在差异。在以生态农业为主的干预社区,对调节服务的需求较高,农民将其归因于对森林在授粉、水和病虫害控制方面对农业生产率所起作用的了解。知识体系不同的社区在使用模式上存在差异,这意味着当地知识影响着资源使用的环境行为。这项研究表明,有必要对社区森林进行全面规划、评估和管理。
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来源期刊
Applied Geography
Applied Geography GEOGRAPHY-
CiteScore
8.00
自引率
2.00%
发文量
134
期刊介绍: Applied Geography is a journal devoted to the publication of research which utilizes geographic approaches (human, physical, nature-society and GIScience) to resolve human problems that have a spatial dimension. These problems may be related to the assessment, management and allocation of the world physical and/or human resources. The underlying rationale of the journal is that only through a clear understanding of the relevant societal, physical, and coupled natural-humans systems can we resolve such problems. Papers are invited on any theme involving the application of geographical theory and methodology in the resolution of human problems.
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