assessing eutrophication in transitional waters a performance analysis of the transitional water quality index (twqi) under seasonal fluctuations外文.pdf

Estuarine, Coastal and Shelf Science 216 (2019) 218e228
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Estuarine, Coastal and Shelf Science
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Assessing eutrophication in transitional waters: A performance
analysis of the Transitional Water Quality Index (TWQI) under
seasonal fluctuations
*
Andrea Bonometto a, , Gianmarco Giordani b, Emanuele Ponis a, Chiara Facca c,
Rossella Boscolo Brusa a, Adriano Sfriso c, Pierluigi Viaroli b
a Italian National Institute for Environmental Protection and Research, ISPRA, Loc. Brondolo, 30015 Chioggia, Venezia, Italy
b Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, Via Usberti 11/a, I-43124 Parma, Italy
c Department of Environmental Sciences, Informatics & Statistics, University Ca’ Foscari Venice, Via Torino 155, 30172, Mestre, Ve, Italy
article info abstract
Article history: The Transitional Water Quality Index (TWQI) is a simple tool for assessing the trophic status in shallow
Received 16 November 2016 transitional water ecosystems, that can be easily implemented from basic monitoring activities. It in-
Received in revised form tegrates six metrics: the main causal factors of eutrophication (N and P concentrations), key biological
9 May 2017
elements (phytoplankton chlorophyll-a, benthic phanerogams and macroalgal cover) and an indicator of
Accepted 6 August 2017
the eutrophication effects (dissolved oxygen saturation). This paper investigates the effectiveness of the
Available online 10 August 2017