Exploring how non-native seagrass species could provide essential ecosystems services: a perspective on the highly invasive seagrass Halophila stipulacea in the Caribbean Sea

Document Type

Article

Publication Date

1-1-2019

Abstract

The loss of biodiversity by the replacement of invasive species could lead to the loss of functional traits that maintain certain ecosystem services (ES). The ES method provides a conceptual framework to value changes of functional traits related to this loss of biodiversity. The Caribbean Sea offers a multifaceted seascape to evaluate this approach as native seagrass species (Thalassia testudinum, Syringodium filiforme or Halodule wrightii) cohabit this region together with the invasive seagrass Halophila stipulacea, native to the Indian Ocean. The functional traits of native seagrass species in the Caribbean are compared to different traits of H. stipulacea observed worldwide with the aim of evaluating the dimensions of this change in terms of the ES that seagrass meadows provide in the Caribbean. Under a changing seascape due to climate change and anthropogenic pressures that have driven the disappearance of most seagrass meadows in the Caribbean, we explore how this invasive seagrass could play a role in restoration attempts as a pioneer species where native species have been lost. The potential unintended consequences of the presence of H. stipulacea to replace services of native species are also noted.

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Original Publication Citation

Viana IG, Siriwardane-de Zoysa R, Willette DA, Gillis LG. (2019) Exploring how non-native seagrass species could provide essential ecosystems services: A perspective on the highly invasive seagrass Halophila stipulacea in the Caribbean Sea. Biological Invasions, 21:1461-1472. https://doi.org/10.1007/s10530-019-01924-y

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