policy-based framework for the determination of management options to protect vulnerable marine ecosystems under the EU deep-sea access regulations.

Autor: van Denderen, P Daniël, Holah, Helen, Robson, Laura M, Hiddink, Jan Geert, Menot, Lénaick, Pedreschi, Debbi, Kazanidis, Georgios, Llope, Marcos, Turner, Phillip J, Stirling, David, Murillo, F Javier, Kenny, Andrew, Campbell, Neil, Allcock, A Louise, Braga-Henriques, Andreia, González-Irusta, Jose M, Johnston, Graham, Orejas, Covadonga, Serrano, Alberto, Xavier, Joana R
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Zdroj: ICES Journal of Marine Science / Journal du Conseil; Jan2022, Vol. 79 Issue 1, p34-49, 16p
Abstrakt: Vulnerable marine ecosystems (VMEs) are particularly susceptible to bottom-fishing activity as they are easily disturbed and slow to recover. A data-driven approach was developed to provide management options for the protection of VMEs under the European Union "deep-sea access regulations." A total of two options within two scenarios were developed. The first scenario defined VME closure areas without consideration of fishing activity. Option 1 proposed closures for the protection of VME habitats and likely habitat, while Option 2 also included areas where four types of VME geophysical elements were present. The second scenario additionally considered fishing. This scenario used VME biomass—fishing intensity relationships to identify a threshold where effort of mobile bottom-contact gears was low and unlikely to have caused significant adverse impacts. Achieving a high level of VME protection requires the creation of many closures (> 100), made up of many small (∼50 km2) and fewer larger closures (> 1000 km2). The greatest protection of VMEs will affect approximately 9% of the mobile fleet fishing effort, while closure scenarios that avoid highly fished areas reduce this to around 4–6%. The framework allows managers to choose the level of risk-aversion they wish to apply in protecting VMEs by comparing alternative strategies. [ABSTRACT FROM AUTHOR]
Databáze: Complementary Index