Article ; Online: Eelgrass (Zostera marina L.) populations are threatened by high sea-surface temperatures and impaired waters on Nantucket Island, USA.
2023 Volume 197, Page(s) 115689
Abstract: Eelgrass (Zostera marina L.) is a key foundation species that provides multiple ecosystem services to shallow coastal and estuarine systems in the Northern Hemisphere. It is estimated that, over the last century, up to 50 % of all Z. marina habitat has ... ...
| Abstract | Eelgrass (Zostera marina L.) is a key foundation species that provides multiple ecosystem services to shallow coastal and estuarine systems in the Northern Hemisphere. It is estimated that, over the last century, up to 50 % of all Z. marina habitat has been lost along the east coast of the USA due to factors including light reduction, eutrophication, and physical disturbance. Warming sea surface temperatures are also believed to be exacerbating losses and the future of this ecosystem is unclear. Here, we assess Z. marina meadows on Nantucket, an island system located 50 km off-shore of Massachusetts, by using common indicators of seagrass plant health and environmental quality. Our results show that Z. marina meadows on Nantucket Island are thermally stressed and light-limited during parts of their peak growing season. This suggests that sea-surface temperatures are a pivotal factor, along with cultural eutrophication, in observed large-scale losses of Z. marina and that further degradation could be expected in the future as the climate continues to warm. Methods from this study may be used by managers as a guide to assess seagrass ecosystem status in degrading systems. |
|---|---|
| MeSH term(s) | Ecosystem ; Temperature ; Zosteraceae ; Climate ; Seasons |
| Language | English |
| Publishing date | 2023-11-09 |
| Publishing country | England |
| Document type | Journal Article |
| ZDB-ID | 2001296-2 |
| ISSN | 1879-3363 ; 0025-326X |
| ISSN (online) | 1879-3363 |
| ISSN | 0025-326X |
| DOI | 10.1016/j.marpolbul.2023.115689 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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