The impact of coastal urbanization on the structure of phytobenthic communities in southern Brazil

Marine Pollution Bulletin
Cintia D L MartinsPaulo Horta

Abstract

The anthropogenic pressures on coastal areas represent important factors affecting local, regional, and even global patterns of distribution and abundance of benthic organisms. This report undertakes a comparative analysis of the community structure of rocky shore intertidal phytobenthos in both pristine like environments (PLE) and urbanized environments (UBE) in southern Brazil, characterizing variations on different spatial scales. Multivariate analysis of variance indicated that the PLE is characterized by a larger number of taxa and an increased occurrence of Rhodophyta species in relation to UBE. In contrast, UBE were dominated by opportunistic algae, such as Cladophora and Ulva spp. Significance tests further indicated higher species richness and Shannon-Wiener diversity on the PLE in relation to UBE. Here we provide data showing the magnitude of seaweed biodiversity loss and discuss direct and indirect consequences of unplanned urbanization on these communities.

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Citations

Jul 2, 2014·Microscopy and Microanalysis : the Official Journal of Microscopy Society of America, Microbeam Analysis Society, Microscopical Society of Canada·Marthiellen R de L FelixEder C Schmidt
Dec 21, 2012·Marine Environmental Research·I DíezJ M Gorostiaga
Mar 19, 2013·Global Change Biology·Alexander TurraZelinda Margarida de Andrade Nery Leão
Oct 5, 2013·Marine Pollution Bulletin·Fernando SchernerSonia Maria Barreto Pereira
Jul 19, 2016·Marine Environmental Research·Adriana Brizon PortugalMarcelo de Oliveira Soares
Feb 15, 2018·Environmental Science and Pollution Research International·Fernando SchernerPaulo Antunes Horta
Jun 11, 2020·Anais Da Academia Brasileira De Ciências·Joel C DE PaulaWanderson F DE Carvalho
May 20, 2021·Estuaries and Coasts : Journal of the Estuarine Research Federation·Caridad Ballesteros, Luciana S Esteves

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