How freshwater trees respond to salt stress: implications for management

Eleonora Saccon, Tjeerd Bouma, Suzanne J.M.H. Hulscher, Johan van de Koppel

Research output: Contribution to conferenceAbstractAcademic

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Abstract

Estuarine wetlands are increasingly being affected by saltwater intrusion, caused mainly by climate change and human alteration of estuaries. As saltwater reaches these areas, it can lead to vegetation mortality with cascading negative effects on the whole system. To help mangers safeguard estuarine wetlands we need to understand how saltwater (and its interaction with other factors) impacts vegetation. We tested the response of three common wetland trees (willow Salix alba, alder Alnus glutinosa, and elderberry Sambucus nigra) to temporary and continuous saltwater stress under different tidal regimes. These freshwater species were remarkably resistant to saltwater: two months were required to see the effects of salinity and only continuous high salinity were detrimental for the plants. Rather than completely exclude saltwater from wetlands, increasing species diversity and reducing the time plants are exposed to saltwater might provide a cost-effective method to improve wetland resilience in a saline future.
Original languageEnglish
Number of pages1
Publication statusPublished - 12 Dec 2023
EventBES Annual Meeting 2023 - ICC, Belfast, United Kingdom
Duration: 12 Dec 202315 Dec 2023
https://www.britishecologicalsociety.org/events/bes-annual-meeting-2023/programme/

Conference

ConferenceBES Annual Meeting 2023
Country/TerritoryUnited Kingdom
CityBelfast
Period12/12/2315/12/23
Internet address

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