Effects of Nutrient Management Scenarios on Marine Food Webs: A Pan-European Assessment in Support of the Marine Strategy Framework Directive

Piroddi, Chiara
Akoğlu, Ekin
Andonegi, Eider
Bentley, Jacob W.
Celic, Igor
Coll, Marta
Dimarchopoulou, Donna
Friedland, Rene
de Mutsert, Kim
Girardin, Raphael
Garcia-Gorriz, Elisa
Grizzetti, Bruna
Hernvann, P. -Y.
Heymans, Johanna J.
Mueller-Karulis, Barbel
Libralato, Simone
Lynam, Christopher P.
Macias, Diego
Miladinova, Svetla
Moullec, Fabien
Palialexis, Andreas
Parn, Ove
Serpetti, Natalia
Solidoro, Cosimo
Steenbeek, Jeroen
Stips, Adolf
Tomczak, Maciej T.
Travers-Trolet, Morgane
Tsikliras, Athanassios C.
Eutrophication is one of the most important anthropogenic pressures impacting coastal seas. In Europe, several legislations and management measures have been implemented to halt nutrient overloading in marine ecosystems. This study evaluates the impact of freshwater nutrient control measures on higher trophic levels (HTL) in European marine ecosystems following descriptors and criteria as defined by the Marine Strategy Framework Directive (MSFD). We used a novel pan-European marine modeling ensemble of fourteen HTL models, covering almost all the EU seas, under two nutrient management scenarios. Results from our projections suggest that the proposed nutrient reduction measures may not have a significant impact on the structure and function of European marine ecosystems. Among the assessed criteria, the spawning stock biomass of commercially important fish stocks and the biomass of small pelagic fishes would be the most impacted, albeit with values lower than 2.5%. For the other criteria/indicators, such as species diversity and trophic level indicators, the impact was lower. The Black Sea and the North-East Atlantic were the most negatively impacted regions, while the Baltic Sea was the only region showing signs of improvement. Coastal and shelf areas were more sensitive to environmental changes than large regional and sub-regional ecosystems that also include open seas. This is the first pan-European multi-model comparison study used to assess the impacts of land-based measures on marine and coastal European ecosystems through a set of selected ecological indicators. Since anthropogenic pressures are expanding apace in the marine environment and policy makers need to use rapid and effective policy measures for fast-changing environments, this modeling framework is an essential asset in supporting and guiding EU policy needs and decisions.


Balıkçılığın deniz biyojeokimyası üzerindeki etkisinin ekosistem modellemesi yöntemiyle incelenmesi
Dişa, Deniz; Akoğlu, Ekin; Salihoğlu, Barış (null; 2016-06-03)
Marine ecosystems are responsible for storing the carbon within the ocean body by means of uptaking atmospheric carbon into the ocean, transforming it into organic carbon through photosynthesis and transporting to the profound depths of the ocean. Playing a significant role in the marine food webs, fish has a notable impact on carbon export from the surface to the bottom of the ocean. For this reason, mainly due to its increasing trend since 1950s, fishing is expected to impact carbon cycle directly ...
Impacts of anthropogenic SOx, NOx and NH3 on acidification of coastal waters and shipping lanes
Hunter, Keith A.; Liss, Peter S.; Surapipith, Vanisa; Dentener, Frank; Duce, Robert; Kanakidou, Maria; Kubilay, Nilgun; Mahowald, Natalie; Okin, Greg; Sarin, Manmohan; Uematsu, Mitsuo; Zhu, Tong (2011-07-07)
The acidification of the ocean by anthropogenic CO2 absorbed from the atmosphere is now well-recognized and is considered to have lowered surface ocean pH by 0.1 since the mid-18th century. Future acidification may lead to undersaturation of CaCO3 making growth of calcifying organisms difficult. However, other anthropogenic gases also have the potential to alter ocean pH and CO2 chemistry, specifically SOx and NOx and NH3. We demonstrate using a simple chemical model that in coastal water regions with high ...
Impact of alternating wet and dry periods on long-term seasonal phosphorus and nitrogen budgets of two shallow Mediterranean lakes
Coppens, Jan; ÖZEN, ARDA; Tavsanoglu, U. Nihan; Erdogan, Seyda; Levi, Eti E.; Yozgatlıgil, Ceylan; Jeppesen, Erik; Beklioğlu, Meryem (2016-09-01)
The water balance, with large seasonal and annual water level fluctuations, has a critical influence on the nitrogen and phosphorus dynamics of shallow lakes in the semi-arid climate zone. We constructed seasonal water and nutrient budgets for two connected shallow lakes, Lakes Mogan and Eymir, located in Central Anatolia, Turkey. The study period covered 20 years with alternations between dry and wet years as well as restoration efforts including sewage effluent diversion and biomanipulations in Lake Eymir...
Impact of Nutrients, Temperatures, and a Heat Wave on Zooplankton Community Structure: An Experimental Approach
Iskin, Ugur; Filiz, Nur; Cao, Yu; Neif, Erika M.; Oglu, Burak; Lauridsen, Torben L.; Davidson, Thomas A.; Sondergaard, Martin; Tavsanoglu, Ulku Nihan; Beklioğlu, Meryem; Jeppesen, Erik (MDPI AG, 2020-12-01)
Shallow lakes are globally the most numerous water bodies and are sensitive to external perturbations, including eutrophication and climate change, which threaten their functioning. Extreme events, such as heat waves (HWs), are expected to become more frequent with global warming. To elucidate the effects of nutrients, warming, and HWs on zooplankton community structure, we conducted an experiment in 24 flow-through mesocosms (1.9 m in diameter, 1.0 m deep) imitating shallow lakes. The mesocosms have two nu...
Effects of water temperature on summer periphyton biomass in shallow lakes: a pan-European mesocosm experiment
Mahdy, Aldoushy; Hilt, Sabine; Filiz, Nur; Beklioğlu, Meryem; Hejzlar, Josef; Ozkundakci, Deniz; Papastergiadou, Eva; Scharfenberger, Ulrike; Sorf, Michal; Stefanidis, Kostas; Tuvikene, Lea; Zingel, Priit; Sondergaard, Martin; Jeppesen, Erik; Adrian, Rita (2015-07-01)
Periphyton communities play an important role in shallow lakes and are controlled by direct forces such as temperature, light, nutrients, and invertebrate grazing, but also indirectly by planktivorous fish predation. We performed a pan-European lake mesocosm experiment on periphyton colonization covering five countries along a north/south geographical/temperature gradient (Estonia, Germany, Czech Republic, Turkey, and Greece). Periphyton biomass on artificial polypropylene strips exposed at 50 cm water dept...
Citation Formats
C. Piroddi et al., “Effects of Nutrient Management Scenarios on Marine Food Webs: A Pan-European Assessment in Support of the Marine Strategy Framework Directive,” FRONTIERS IN MARINE SCIENCE, pp. 0–0, 2021, Accessed: 00, 2021. [Online]. Available: https://hdl.handle.net/11511/90719.