Exotic Laguncularia racemosa drives rapid shifts in pond-to-mangrove restoration communities

The rapid decline of mangrove ecosystems worldwide underscores the urgency of restoring these environments. In China and Southeast Asia, a recently popular method involves converting abandoned aquaculture ponds into secondary mangrove forests (i.e., pond-to-mangrove restoration), which reshapes the...

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Main Authors: Lin Zhang, Yamian Zhang, Yijuan Deng, Pingping Guo, Wenqing Wang, Mao Wang
Format: Article
Language:English
Published: Elsevier 2025-04-01
Series:Global Ecology and Conservation
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Online Access:http://www.sciencedirect.com/science/article/pii/S2351989425000824
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author Lin Zhang
Yamian Zhang
Yijuan Deng
Pingping Guo
Wenqing Wang
Mao Wang
author_facet Lin Zhang
Yamian Zhang
Yijuan Deng
Pingping Guo
Wenqing Wang
Mao Wang
author_sort Lin Zhang
collection DOAJ
description The rapid decline of mangrove ecosystems worldwide underscores the urgency of restoring these environments. In China and Southeast Asia, a recently popular method involves converting abandoned aquaculture ponds into secondary mangrove forests (i.e., pond-to-mangrove restoration), which reshapes the landscape to create suitable habitats for mangrove plants. However, an often overlooked issue is how these new habitats may facilitate the spread of exotic species. Our study examined plant communities in a pond-to-mangrove restoration area, comparing the plant community four and eight years after restoration began. We found that the exotic species Laguncularia racemosa expanded rapidly, significantly suppressing native mangrove species and altering the community structure. The relative abundance of L. racemosa increased from 8 % in the fourth year to 57 % by the eighth year, during which time three native species disappeared from the plot. By the eighth year, L. racemosa also dominated in terms of plant height. Given the rapid spread of invasive species and the high connectivity of wetlands, we recommend closely monitoring non-native plants during restoration projects like pond-to-mangrove restoration. Our study highlights the threat biological invasions pose to restoration efforts and the importance of managing ecological niches created by restoration processes.
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institution Kabale University
issn 2351-9894
language English
publishDate 2025-04-01
publisher Elsevier
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series Global Ecology and Conservation
spelling doaj-art-6047f41b0c704247ac4e8fb0dccceba62025-02-08T05:00:34ZengElsevierGlobal Ecology and Conservation2351-98942025-04-0158e03481Exotic Laguncularia racemosa drives rapid shifts in pond-to-mangrove restoration communitiesLin Zhang0Yamian Zhang1Yijuan Deng2Pingping Guo3Wenqing Wang4Mao Wang5Provincial Key Laboratory for Coastal Ecology and Environmental Studies, College of the Environment & Ecology, Xiamen University, Xiamen, Fujian, China; Zhangjiang Estuary Mangrove Wetland Ecosystem Station, National Observation and Research Station for the Taiwan Strait Marine Ecosystem, Xiamen University, Zhangzhou, Fujian, ChinaProvincial Key Laboratory for Coastal Ecology and Environmental Studies, College of the Environment & Ecology, Xiamen University, Xiamen, Fujian, China; Zhangjiang Estuary Mangrove Wetland Ecosystem Station, National Observation and Research Station for the Taiwan Strait Marine Ecosystem, Xiamen University, Zhangzhou, Fujian, ChinaProvincial Key Laboratory for Coastal Ecology and Environmental Studies, College of the Environment & Ecology, Xiamen University, Xiamen, Fujian, China; Zhangjiang Estuary Mangrove Wetland Ecosystem Station, National Observation and Research Station for the Taiwan Strait Marine Ecosystem, Xiamen University, Zhangzhou, Fujian, ChinaProvincial Key Laboratory for Coastal Ecology and Environmental Studies, College of the Environment & Ecology, Xiamen University, Xiamen, Fujian, China; Zhangjiang Estuary Mangrove Wetland Ecosystem Station, National Observation and Research Station for the Taiwan Strait Marine Ecosystem, Xiamen University, Zhangzhou, Fujian, ChinaProvincial Key Laboratory for Coastal Ecology and Environmental Studies, College of the Environment & Ecology, Xiamen University, Xiamen, Fujian, China; Zhangjiang Estuary Mangrove Wetland Ecosystem Station, National Observation and Research Station for the Taiwan Strait Marine Ecosystem, Xiamen University, Zhangzhou, Fujian, ChinaProvincial Key Laboratory for Coastal Ecology and Environmental Studies, College of the Environment & Ecology, Xiamen University, Xiamen, Fujian, China; Zhangjiang Estuary Mangrove Wetland Ecosystem Station, National Observation and Research Station for the Taiwan Strait Marine Ecosystem, Xiamen University, Zhangzhou, Fujian, China; Corresponding author at: Provincial Key Laboratory for Coastal Ecology and Environmental Studies, College of the Environment & Ecology, Xiamen University, Xiamen, Fujian, China.The rapid decline of mangrove ecosystems worldwide underscores the urgency of restoring these environments. In China and Southeast Asia, a recently popular method involves converting abandoned aquaculture ponds into secondary mangrove forests (i.e., pond-to-mangrove restoration), which reshapes the landscape to create suitable habitats for mangrove plants. However, an often overlooked issue is how these new habitats may facilitate the spread of exotic species. Our study examined plant communities in a pond-to-mangrove restoration area, comparing the plant community four and eight years after restoration began. We found that the exotic species Laguncularia racemosa expanded rapidly, significantly suppressing native mangrove species and altering the community structure. The relative abundance of L. racemosa increased from 8 % in the fourth year to 57 % by the eighth year, during which time three native species disappeared from the plot. By the eighth year, L. racemosa also dominated in terms of plant height. Given the rapid spread of invasive species and the high connectivity of wetlands, we recommend closely monitoring non-native plants during restoration projects like pond-to-mangrove restoration. Our study highlights the threat biological invasions pose to restoration efforts and the importance of managing ecological niches created by restoration processes.http://www.sciencedirect.com/science/article/pii/S2351989425000824Abandoned pondsBiodiversity conservationBiological invasionEmpty nicheMangrove restoration
spellingShingle Lin Zhang
Yamian Zhang
Yijuan Deng
Pingping Guo
Wenqing Wang
Mao Wang
Exotic Laguncularia racemosa drives rapid shifts in pond-to-mangrove restoration communities
Global Ecology and Conservation
Abandoned ponds
Biodiversity conservation
Biological invasion
Empty niche
Mangrove restoration
title Exotic Laguncularia racemosa drives rapid shifts in pond-to-mangrove restoration communities
title_full Exotic Laguncularia racemosa drives rapid shifts in pond-to-mangrove restoration communities
title_fullStr Exotic Laguncularia racemosa drives rapid shifts in pond-to-mangrove restoration communities
title_full_unstemmed Exotic Laguncularia racemosa drives rapid shifts in pond-to-mangrove restoration communities
title_short Exotic Laguncularia racemosa drives rapid shifts in pond-to-mangrove restoration communities
title_sort exotic laguncularia racemosa drives rapid shifts in pond to mangrove restoration communities
topic Abandoned ponds
Biodiversity conservation
Biological invasion
Empty niche
Mangrove restoration
url http://www.sciencedirect.com/science/article/pii/S2351989425000824
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