Efficient sampling methodologies for lake littoral invertebrates in compliance with the European Water Framework Directive

Porst, Gwendolin; Miler, Oliver; Donohue, Louise; Jurca, Tamara; Pilotto, Francesca; Brauns, Mario; Solimini, Angelo G.

doi:10.1007/s10750-015-2500-1

Cited by 7 publications

(9 citation statements)

References 47 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…An ongoing question in the management of aquatic systems is whether or not the number of samples and/or sampling stations should be increased in order to reduce uncertainties. The monitoring plan is clearly a compromise between the cost of supplementary measures and the related benefits expected in terms of the quality of lake status estimation (Porst et al, 2016). In this study, we suggest that a well-designed 3D ecological model is a time and cost efficient way to complement existing monitoring plans.…”

Section: Variability Of the Lake Ecological Statusmentioning

confidence: 87%

Contribution of 3D coupled hydrodynamic-ecological modeling to assess the representativeness of a sampling protocol for lake water quality assessment

Soulignac¹,

Anneville²,

Bouffard³

et al. 2019

Knowl. Manag. Aquat. Ecosyst.

View full text Add to dashboard Cite

This study deals with the impact of spatio-temporal heterogeneities on the assessment of lake ecological status according to the European water framework directive (WFD). A method, based on three-dimensional coupled hydrodynamic and ecological modeling, is presented to assess the variability of lake ecological status, and to locate the most representative sampling station of Lake Geneva (France/Switzerland). Five variables used in the lake ecological status evaluation were simulated by using the free software Delft3D. The numerical simulation results showed that the simulated ecological status based on chlorophyll a and total phosphorus concentrations measured at the regulatory monitoring station depend on the choice of the sampling date. Results also indicated a strong spatial heterogeneity in ecological status that varies from “poor” to “good” along an East-West gradient. Finally, the numerical simulation results showed that the most representative point of a mean theoretical ecological quality for Lake Geneva would be located in the center of the upper basin, close to the historical sampling station.

show abstract

Section: Variability Of the Lake Ecological Statusmentioning

confidence: 87%

Contribution of 3D coupled hydrodynamic-ecological modeling to assess the representativeness of a sampling protocol for lake water quality assessment

Soulignac¹,

Anneville²,

Bouffard³

et al. 2019

Knowl. Manag. Aquat. Ecosyst.

View full text Add to dashboard Cite

show abstract

“…Nine sampling sites were chosen to represent shoreline types in triplicates in each lake. Macroinvertebrates were collected according to the protocol for composite sampling described in Porst et al (2016). Sampling effort was for 1 min in total and in proportion to available substrata and vegetation cover.…”

Section: Methodsmentioning

confidence: 99%

Unravelling the effect of multiple stressors on ecological structure of littoral lake macroinvertebrates

Jurca

Donohue

McGoff

et al. 2021

Internat Rev Hydrobiol

Self Cite

View full text Add to dashboard Cite

Morphological alteration of shorelines and eutrophication both affect the biological integrity of European lakes. These pressures, often acting simultaneously, are difficult to tease apart. In this study, we related the number of taxa with specific habitat preference to habitat complexity across lakes of varying nutrient state. Habitat complexity at morphologically altered shorelines was significantly lower than at unaltered sites across trophic categories. A generalised linear mixed‐effects model showed decreased number of taxa with specific mesohabitat preference at morphologically simplified sites in oligotrophic and mesotrophic, but not eutrophic lakes. These results suggest: (1) an antagonistic interaction between the effect of nutrient enrichment and morphological alterations on lake littoral communities and (2) the number of macroinvertebrate habitat specialists could potentially be used to assess the effects of structural simplifications of shorelines in lakes of low to medium nutrient status. We conclude that the use of functional traits approach in aquatic ecology should foster better understanding of stressor–response relationships for combined effect of multiple stressors.

show abstract

“…More specifically, this indicates that nutrients are surrogates for increased allochthonous material (litter fall), which affect substratum composition. Substratum is also strongly related to hydromorphological changes (McGoff et al, 2013;Peterlin and Urbanič, 2013;Urbanič, 2014b), more precisely to littoral alteration, which causes direct impacts on littoral benthic assemblages (Johnson and Goedkoop, 2002;Porst et al, 2016).…”

Section: Teasing Apart Drivers Of Littoral Benthic Assemblagesmentioning

confidence: 99%

Do lake littoral benthic invertebrates respond differently to eutrophication, hydromorphological alteration, land use and fish stocking?

Šiling

Urbanič

2016

Knowl. Manag. Aquat. Ecosyst.

View full text Add to dashboard Cite

-In order to provide adequate guidelines in freshwater management, managers need reliable bioindicators that can respond differently to varied stressors. Managers also have to consider hierarchical structure of environmental factors. Thus, our research aims to test the independence of taxa responses along environmental gradients and to examine in what order natural and anthropogenic factors constrain the structure of littoral benthic assemblages. The rank of explained variance of littoral benthic assemblage's variable group hierarchy was: land use > landscape characteristics > eutrophication > fish stocking > hydromorphological alteration. We determined nine gradients (two natural and seven stressor gradients), separated into five groups based on statistically significant differences in responsiveness of taxa. Apart from responsiveness to natural factors, littoral benthic invertebrates could be used as bioindicators for stressors reflecting urbanization, eutrophication, hydromorphological alteration and fish stocking. The taxonomical composition of littoral benthic invertebrates, especially when taxa with preference for certain relatively narrow environmental conditions along gradients are present, can be used to identify effects of key stressors. Our findings have profound implications for ecological assessment and management of lakes, as they indicate that benthic invertebrates can be used when the effects of multiple stressors need to be disentangled.Keywords: macroinvertebrates / multiple stressors / bioindication / lakes / multihabitat sampling Résumé -Est-ce que les invertébrés benthiques d'un littoral lacustre réagissent différemment à l'eutrophisation, la modification hydromorphologique, l'utilisation des terres et l'empoissonnement ?Afin de fournir des lignes directrices adéquates en matière de gestion d'écosystèmes d'eau douce, les gestionnaires ont besoin de bioindicateurs fiables qui puissent répondre différemment à des facteurs de stress variés. Les gestionnaires ont également à considérer la structure hiérarchique des facteurs environnementaux. Ainsi, notre recherche vise à tester l'indépendance des réponses des taxons le long de gradients environnementaux et d'examiner dans quel ordre les facteurs naturels et anthropiques influent sur la structure des assemblages benthiques littoraux. L'ordre dans la variance expliquée du groupe des variables de l'assemblage benthique littoral était : l'utilisation des terres > les caractéristiques du paysage > l'eutrophisation > l'empoissonnement > l'altération hydromorphologique. Nous avons déterminé neuf gradients (deux naturels et sept gradients de stress), séparés en cinq groupes en fonction des différences statistiquement significatives dans la réactivité des taxons. En dehors de la réactivité à des facteurs naturels, les invertébrés benthiques du littoral pourraient être utilisés comme bioindicateurs pour les facteurs de stress reflétant l'urbanisation, l'eutrophisation, l'altération hydromorphologique et l'empoissonnement. La composition taxinomiq...

show abstract

Efficient sampling methodologies for lake littoral invertebrates in compliance with the European Water Framework Directive

Cited by 7 publications

References 47 publications

Contribution of 3D coupled hydrodynamic-ecological modeling to assess the representativeness of a sampling protocol for lake water quality assessment

Contribution of 3D coupled hydrodynamic-ecological modeling to assess the representativeness of a sampling protocol for lake water quality assessment

Unravelling the effect of multiple stressors on ecological structure of littoral lake macroinvertebrates

Do lake littoral benthic invertebrates respond differently to eutrophication, hydromorphological alteration, land use and fish stocking?

Contact Info

Product

Resources

About