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Valuing mangrove biodiversity and ecosystem services: A deliberative choice experiment in Mida Creek, Kenya
Ecosystem Services ( IF 7.6 ) Pub Date : 2019-11-01 , DOI: 10.1016/j.ecoser.2019.101040
Margaret Awuor Owuor , Richard Mulwa , Philip Otieno , John Icely , Alice Newton

Mangrove degradation threatens the capacity of these important ecosystems to provide goods and services that contribute to human wellbeing. This study uses a deliberative choice experiment to value non-market mangrove ecosystem services (ES) at Mida Creek, Kenya. The attributes assessed include “shoreline erosion protection”, “biodiversity richness and abundance”, “nursery and breeding ground for fish”, and “education and research”. Unpaid labour (volunteer time) for mangroves conservation was used as the payment mechanism to estimate willingness to pay (WTP). Results suggest that respondents were willing to volunteer: 5.82 h/month for preserving the mangrove nursery and breeding ground functions to gain an additional metric ton of fish; 21.16 h/month for increasing biodiversity richness and abundance; 10.81 h/month for reducing shoreline erosion by 1 m over 25 years; and 0.14 h/month for gaining 100 student/researcher visits/month. The estimation of WTP for mangrove ES provides valuable insights into the awareness of local communities about the contribution of mangrove forests to ES delivery. This knowledge could assist decision-making for the management and conservation of mangroves in Mida Creek and its environs.



中文翻译:

重视红树林的生物多样性和生态系统服务:肯尼亚米达河的一项协商性选择实验

红树林的退化威胁到这些重要的生态系统提供有助于人类福祉的商品和服务的能力。这项研究使用协商选择实验来评估肯尼亚Mida Creek的非市场红树林生态系统服务(ES)。评估的属性包括“海岸线侵蚀保护”,“生物多样性丰富和丰富”,“鱼类的养育和繁殖地”以及“教育和研究”。用于保护红树林的无偿劳动(志愿者时间)被用作支付机制,以估计支付意愿(WTP)。结果表明,受访者愿意自愿:5.82小时/月,用于保存红树林苗圃和繁殖地功能,以获取更多公吨的鱼;每月21.16小时以增加生物多样性的丰富度和丰富度;10。每月81小时,可在25年内将海岸线侵蚀减少1 m;和每月0.14小时,以使每月获得100名学生/研究者访问。对红树林ES的WTP的估算为当地社区对红树林对ES交付的贡献的认识提供了宝贵的见解。这些知识可以帮助决策管理和保护Mida Creek及其周边地区的红树林。

更新日期:2019-11-01
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