Beca-Carretero, Pedro ORCID: https://orcid.org/0000-0002-4000-6912, Rotini, Alice, Mejia, Astrid, Migliore, Luciana, Vizzini, Salvatrice and Winters, Gidon (2020) Halophila stipulacea descriptors in the native area (Red Sea): A baseline for future comparisons with native and non-native populations. Marine Environmental Research, 153 . p. 104828. DOI https://doi.org/10.1016/j.marenvres.2019.104828.

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Abstract

Halophila stipulacea is a small tropical seagrass species native to the Red Sea. Due to its invasive character, there is growing interest in understanding its ability to thrive in a broad range of ecological niches. We studied temporal (February 2014 and July 2014), depth (5, 9, 18 m) and spatial (NB and SB) related dynamics of H. stipulacea meadows in the northern Gulf of Aqaba. We evaluated changes in density, morphometry, biomass, and biochemical parameters alongside the reproductive effort. In both sites, maximal growth and vegetative performance occurred in the summer with a marked increase of 35% in shoot density and 18% in biomass; PAR reduction with season and depth induced a significant increase of 28% in leaf area. Sexual reproduction efforts were only observed in July, and the density of plants carrying male or female flowers decreased significantly with depth. The favorable growth responses of H. stipulacea plants observed in the N-enriched NB site suggests their capacity to acclimate to human-disturbed nearshore environments.

Document Type:	Article
Programme Area:	PA1
Research affiliation:	Integrated Modelling > Spatial Ecology and Interactions
Refereed:	Yes
Open Access Journal?:	No
DOI:	https://doi.org/10.1016/j.marenvres.2019.104828
ISSN:	01411136
Date Deposited:	12 Feb 2020 11:02
Last Modified:	24 Nov 2021 12:50
URI:	http://cris.leibniz-zmt.de/id/eprint/3332

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