Management effectiveness of mangroves along Dar es Salaam coast, Tanzania

IF 3.7 2区社会学 Q2 ENVIRONMENTAL STUDIES

Marine Policy Pub Date : 2025-09-11 DOI:10.1016/j.marpol.2025.106895

Rukia A. Kitula, Leonard J. Chauka

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引用次数: 0

Abstract

This study assessed the management effectiveness of mangrove forests in Dar es Salaam, Tanzania, using the Integrated Management Effectiveness Tool (IMET). The study was conducted in four wards adjacent to mangrove forests: Pembamnazi, Kijichi, Hananasifu, and Kunduchi. It aimed to evaluate community dependence, threats to mangroves, conservation efforts, and institutional roles in management. Data were collected through workshops (n = 20), focus group discussions, a household survey (n = 120), and key informant interviews. The data were analyzed using content analysis and descriptive statistics. The study revealed high community dependence on mangroves for fishing (42.5 %), farming (36.7 %), and settlements (35 %). Major threats included deforestation (30 % attributed to cutting), pollution, settlement encroachment (35 %), and salt mining (5 % in Kunduchi). Findings showed limited community awareness of mangrove ecological functions, with 95.8 % unaware of carbon sequestration, 77.5 % unaware of sediment dynamics control, and 62.5 % unaware of coastal protection roles. Management challenges included inadequate staffing, insufficient funding, and weak enforcement of conservation regulations. This study concludes that current mangrove management in Dar es Salaam is ineffective due to weak enforcement, inadequate resources, and limited community engagement, leading to ongoing degradation. We recommend strengthening participatory governance, improving ecological knowledge among stakeholders, and implementing sustainable livelihood alternatives to ensure long-term mangrove conservation and ecosystem resilience.

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坦桑尼亚达累斯萨拉姆海岸红树林管理的有效性

本研究利用综合管理有效性工具（IMET）评估了坦桑尼亚达累斯萨拉姆红树林的管理有效性。这项研究是在毗邻红树林的四个区进行的：Pembamnazi、Kijichi、Hananasifu和Kunduchi。它旨在评估社区对红树林的依赖、对红树林的威胁、保护工作以及管理中的机构作用。通过研讨会（n = 20）、焦点小组讨论、住户调查（n = 120）和关键信息提供方访谈收集数据。采用内容分析和描述性统计对数据进行分析。研究表明，群落对红树林的高度依赖包括捕鱼（42.5% %）、农耕（36.7% %）和定居（35% %）。主要的威胁包括森林砍伐（30% %归因于砍伐）、污染、定居点侵占（35% %）和盐矿开采（Kunduchi的5% %）。研究结果表明，群落对红树林生态功能的认识有限，95.8% %不知道固碳，77.5% %不知道泥沙动力学控制，62.5% %不知道海岸保护作用。管理方面的挑战包括人员不足、资金不足和保护条例执行不力。本研究的结论是，由于执法不力、资源不足和社区参与有限，达累斯萨拉姆目前的红树林管理是无效的，导致持续退化。我们建议加强参与式治理，提高利益相关者的生态知识，实施可持续的生计替代方案，以确保红树林的长期保护和生态系统的复原力。

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来源期刊

Marine Policy Multiple-

CiteScore

7.60

自引率

13.20%

发文量

428

期刊介绍： Marine Policy is the leading journal of ocean policy studies. It offers researchers, analysts and policy makers a unique combination of analyses in the principal social science disciplines relevant to the formulation of marine policy. Major articles are contributed by specialists in marine affairs, including marine economists and marine resource managers, political scientists, marine scientists, international lawyers, geographers and anthropologists. Drawing on their expertise and research, the journal covers: international, regional and national marine policies; institutional arrangements for the management and regulation of marine activities, including fisheries and shipping; conflict resolution; marine pollution and environment; conservation and use of marine resources. Regular features of Marine Policy include research reports, conference reports and reports on current developments to keep readers up-to-date with the latest developments and research in ocean affairs.