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Stunted mangrove trees in the oligotrophic central Red Sea relate to nitrogen limitation

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Anton, A, Almahasheer, H, Delgado, A, Garcias-Bonet, N, Carrillo-de-Albornoz, P, Marba, N, Hendriks, IE, Krause-Jensen, D, Saderne, V, Baldry, K and Duarte, CM 2020 , 'Stunted mangrove trees in the oligotrophic central Red Sea relate to nitrogen limitation' , Frontiers in Marine Science, vol. 7, no. JULY , pp. 1-10 , doi: 10.3389/fmars.2020.00597.

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Abstract

Mangroves are important coastal ecosystems of warm climatic regions that often grow in shallow saline or brackish waters of estuaries and river mouths which are affected by wide tidal intervals and receive abundant nutrient supply. However, mangroves also occur in areas of little tidal influence and devoid of riverine inputs, where they can develop a stunted plant form. Here we report that Avicennia marina trees in the fringe of the Red Sea have maximum heights toward the lower range of that reported elsewhere (average maximum canopy height of 4.95 m), especially in the central region, where mangroves are stunted with an average tree height of 2.7 m. Maximum tree height and chlorophyll a concentration correlated positively with nitrogen concentration in the leaves of A. marina. We conclude that the stunted nature of mangrove trees in the central Red Sea is likely driven by nitrogen limitation.

Item Type: Article
Authors/Creators:Anton, A and Almahasheer, H and Delgado, A and Garcias-Bonet, N and Carrillo-de-Albornoz, P and Marba, N and Hendriks, IE and Krause-Jensen, D and Saderne, V and Baldry, K and Duarte, CM
Keywords: Red Sea, Avicennia marina, oligotrophic, desert, nitrogen limitation
Journal or Publication Title: Frontiers in Marine Science
Publisher: Frontiers Research Foundation
ISSN: 2296-7745
DOI / ID Number: 10.3389/fmars.2020.00597
Copyright Information:

Copyright 2020 Anton, Almahasheer, Delgado, Garcias-Bonet, Carrillo-deAlbornoz, Marbà, Hendriks, Krause-Jensen, Saderne, Baldry and Duarte. This is anopen-access article distributed under the terms of the Creative Commons Attribution License (CC BY)

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