An approach to intercalibrate ecological classification tools using fish in transitional water of the North East Atlantic

Lepage, Mario; Harrison, Trevor D.; Breine, Jan; Cabral, Henrique N.; Coates, S.; Galván, Cristina; Garcı́a, Pilar; Jager, Z.; Kelly, Fiona; Mosch, Eva Christine; Pasquaud, Stéphanie; Scholle, Jörg; Uriarte, Adolfo; Borja, Ángel

doi:10.1016/j.ecolind.2016.02.055

Cited by 34 publications

(28 citation statements)

References 29 publications

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“…phosphorus or nitrogen concentration for eutrophication; biochemical oxygen demand (BOD) and sediment organic content for organic pollution; pH for acidification; a morphological index for hydromorphological alterations, etc.). Relationship to abiotic multi-pressure index combining two or more pressures – such indices have been widely used for assessment methods in rivers ( Logez and Pont, 2011 ), lakes ( Poikane et al, 2017 ), coastal ( Korpinen et al, 2012 ), and transitional waters ( Lepage et al, 2016 ). Relationship to biological common metrics used for intercalibration (Intercalibration Common Metric; ICM) responding to two or more pressures.…”

Section: Methodsmentioning

confidence: 99%

European aquatic ecological assessment methods: A critical review of their sensitivity to key pressures

Poikāne

Herrero

Kelly³

et al. 2020

Science of The Total Environment

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The European Union has embarked on a policy which aims to achieve good ecological status in all surface waters (i.e. rivers, lakes, transitional and coastal waters). In theory, ecological status assessment methods should address the effects of all relevant human pressures. In this study, we analyze the degree to which methods European countries use to assess ecological status tackle various pressures affecting European waters. Nutrient pollution is by far the best-covered pressure for all four water categories. Out of total of 423 assessment methods, 370 assess eutrophication and pressure-specific relationships have been demonstrated for 212 of these. “General degradation” is addressed by 238 methods, mostly validated by relationships to combined pressure indices. Other major pressures have received significantly less effort: hydromorphological degradation is assessed by 160 methods and pressure-specific relationships have been demonstrated for just 40 of these. Hydromorphological pressures are addressed (at least by one BQE) only by 25% countries for coastal waters and 70–80% for lakes and transitional waters. Specific diagnostic tools (i.e. single-pressure relationships) for hydromorphology have only been developed by a few countries: only 20% countries have such methods for lakes, coastal and transitional waters and less than half for rivers. Toxic contamination is addressed by 90 methods; however, pressure-specific relationships have been demonstrated for just eight of these. Only two countries have demonstrated pressure-specific acidification methods for rivers, and three for lakes. In summary, methods currently in use mostly address eutrophication and/or general degradation, but there is not much evidence that they reliably pick up the effects of other significant pressures such as hydromorphology or toxic contamination. Therefore, we recommend that countries re-examine: (1) those pressures which affect different water categories in the country; (2) relevant assessment methods to tackle those pressures; (3) whether pressure-response relationships have been developed for each of these.

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Section: Methodsmentioning

confidence: 99%

European aquatic ecological assessment methods: A critical review of their sensitivity to key pressures

Poikāne

Herrero

Kelly³

et al. 2020

Science of The Total Environment

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“…Het gebruik van jaardata voor het berekenen van de EQR is meer robuust dan het bereken per campagne. De brakwaterindex berekent per locatie en per campagne de EQR en is wel geïnterkalibreerd (Lepage et al, 2016).…”

Section: Besluitunclassified

Visindex voor getijgebonden zijrivieren in het Zeeschelde-Estuarium

Breine¹,

Thuyne²

2020

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“…The present analysis highlighted that restoring the salinity gradient could have major implications for management and conservation of the inner Venice lagoon. Most of the tools developed for the evaluation of ecological status of fish in transitional waters under the WFD, including the one employed in Italian transitional waters, incorporate metrics calculated on assemblage structure and composition, often based on functional guilds [79,[99][100][101][102]. Given the expected increase in whole assemblage biomass and the shift in taxonomical and trophic structure, significant changes in the ecological status of fish may therefore occur after the restoration.…”

Section: Implications For Management and Conservationmentioning

confidence: 99%

Expected Shifts in Nekton Community Following Salinity Reduction: Insights into Restoration and Management of Transitional Water Habitats

Scapin

Zucchetta

Bonometto

et al. 2019

Water

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A restoration project is planned to take place in the northern Venice lagoon (northern Adriatic Sea, Italy), aiming at introducing freshwater into a confined shallow water lagoon area and recreating transitional water habitats. This work describes the shifts in the nekton (fish and decapods) community structure to be expected following the future salinity decrease in the restoration area. Nekton was sampled at a series of natural shallow water sites located along salinity gradients in the Venice lagoon. A multivariate GLM approach was followed in order to predict species biomass under the salinity and environmental conditions expected after restoration. Biomass of commercially important species, as well as species of conservation interest, is predicted to increase following salinity reduction and habitat changes. From a functional perspective, an increase in biomass of hyperbenthivores-zooplanctivores, hyperbenthivores-piscivores and detritivores is also expected. This study emphasises the efficacy of a predictive approach for both ecological restoration and ecosystem management in transitional waters. By providing scenarios of community structure, the outcomes of this work could be employed in future evaluations of restoration success in the Venice lagoon, as well as to develop management tools to forecast the effects of alterations of salinity regimes in coastal lagoons due to climate change.

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An approach to intercalibrate ecological classification tools using fish in transitional water of the North East Atlantic

Cited by 34 publications

References 29 publications

European aquatic ecological assessment methods: A critical review of their sensitivity to key pressures

European aquatic ecological assessment methods: A critical review of their sensitivity to key pressures

Visindex voor getijgebonden zijrivieren in het Zeeschelde-Estuarium

Expected Shifts in Nekton Community Following Salinity Reduction: Insights into Restoration and Management of Transitional Water Habitats

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