A sustainable solution to manage ecosystem health of wetlands in urban and peri-urban areas of Lucknow district, India using geospatial techniques and community based pragmatic approach
A sustainable solution to manage ecosystem health of wetlands in urban and peri-urban areas of Lucknow district, India using geospatial techniques and community based pragmatic approach
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DOI：
10.1016/j.jclepro.2023.137646
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发表时间：
2023-08
影响因子：
11.1
通讯作者：
K. Imdad;M. Sahana;J. Ravetz;G. Areendran;Ouseen Gautam;S. Dwivedi;Archana Chaudhary;H. Sajjad
中科院分区：
文献类型：
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作者：
K. Imdad;M. Sahana;J. Ravetz;G. Areendran;Ouseen Gautam;S. Dwivedi;Archana Chaudhary;H. Sajjad
湿地是介于陆地和水生生态系统之间的多功能景观，为野生动物提供栖息地，支持地下水补给，缓和气候，控制洪水，满足社区的生计。在过去的几十年里，快速的人口增长、城市扩张和工业化导致了湿地的退化。位于城市和城市周边地区的湿地通常是全球最受威胁的生态系统。本研究评估了印度勒克瑙地区城市和城市周边湿地的生态系统健康，并为其管理提出了可持续的解决方案。利用归一化差异植被指数、修正的归一化差异水分指数和土地利用/土地覆盖变化的遥感数据，分析了1989-2018年湿地面积的时空变化。将现场特定的压力、状态和响应指标整合到基于FRAGSTATS的评估中，构建了压力-状态-响应(PSR)模型。通过专题小组讨论和专家意见进行了定性的实地调查，以验证PSR模型的结果。结果表明，由于人为活动，这些城市周边地区湿地的整体健康状况急剧恶化。湿地生态系统的健康状况与土地变化密切相关。研究建议社区参与和地方当局参与储存雨水、建造涵洞和渠道，并将它们与湿地连接起来，以可持续地保护和有效管理湿地生态系统。
Wetlands are multi-functional landscapes between terrestrial and aquatic ecosystems that provide habitat for wildlife, support groundwater recharge, moderate climate, control flood and fulfil the livelihood of the communities. Rapid population growth, urban expansion, and industrialization have caused the degradation of wetlands over the last few decades. The wetlands located in the urban and peri-urban areas are generally the most threatened ecosystems globally. The present study assessed the ecosystem health of urban and peri-urban wetlands of Lucknow district in India and recommended a sustainable solution for their management. Remote sensing data derived from the normalized difference vegetation index, modified normalized difference water index, and land use/land cover change were utilized for analyzing the spatiotemporal change in areas under wetlands, from 1989 to 2018. Site-specific indicators on pressure, state and response were integrated in FRAGSTATS-based assessment to construct a Pressure-State-Response (PSR) model. A qualitative field survey has been conducted through focus group discussion and expert opinion to validate the result from the PSR model. The results revealed that the overall health of the wetlands has deteriorated drastically in these peri-urban areas owing to anthropogenic activities. The wetland ecosystem's health is significantly correlated with land transformation. The study recommended community participation, and involvement of local authorities in storing rainwater, constructing culverts and channels, and interlinking them with wetlands for sustainable conservation and effective management of the wetland ecosystem.