What is the Impact of Lessepsian Species on Eastern Mediterranean Fisheries?

Date

2011-10-29

Author

Lefkaditou, Evgenia
Abdelaty, Mohamed
Bariche, Michel
Corsini-Foka, Mariolina
Dimech, Mark
Economidis, Panagiotis
Gücü, Ali Cemal
Kalogirou, Stefanos
Konnaris, Kostas
Lahouf, Imad
Madi, Abdalnaser
Majdalani, Samir
Mahmoud, Hatem Hanafy
Michailidis, Nikolas
El Mokdad, Dahej
Nader, Manal
Qamheyih, Mohamed
Orsi-Relini, Lidia
Pagiatas, Giorgos
Peristeraki, Panagiota
Relini, Giulio
Salem, Ahmed
Scarpella, Guiseppe
Theocharis, Alexandros
TURAN, CEMAL

Metadata

Show full item record

This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Item Usage Stats

210
views

0
downloads

The migration of Lessepsian species, which was the result of the opening of the Suez Canal in 1869 and further facilitated by human activities and environmental conditions, seems to play a key role for fisheries particularly in the Levant basin. However, there is still lack of accurate data for most of the Lessepsian species in order to evaluate their positive or negative effect to the fisheries catches and local fish stocks. The Project "Scientific and Institutional Cooperation to Support Responsible Fisheries in the Eastern Mediterranean- EastMed has been declared in September 2009, is executed by the Food and Agriculture Organization of the United Nations (FAO) and funded by Greece, Italy and EC. A network of experts on the effect of Lessepsian species on fisheries of the Eastern Mediterranean (NELESFISH) was established following a sub-regional technical meeting of the FAO-EastMed Project on "The Lessepsian Migration and its Impact on Eastern Mediterranean Fishery", that took place in Nicosia, Cyprus, in December 2010 and was attended by experts from Cyprus, Egypt, Gaza Strip and West bank, Greece, Italy, Lebanon and Turkey. According to the review of available information during the meeting, the Lessepsian migrants caught by fishing gears include nowadays 77 fish and 24 invertebrate species; their numbers are increasing from year to year. Some Lessepsian species, like Siganus spp., Marsupenaeus japonicus, Saurida undosquamis, Etrumeus terres, Upeneus spp., have been successfully introduced into local markets, constituting important resources for fisheries in some countries. Others, like Fistularia commersoni, are landed or discarded depending on the demand in the local markets and require some marketing to increase their commercialization. Some venomous species, like for example Lagocephalus sceleratus and Rhopilema nomadica, apart from being hazardous to human health, are causing damages to fishing gears and commercial catches, particularly of some coastal fisheries in the Levant basin. Among the main objectives of the network of experts are the standardization of methodology for the collection of data aiming to the quantification of Lessepsian migrants and their effects on fisheries, the development of a database with relative literature and legislation and the contribution of recommendations within the framework of the FAO EastMed project towards the minimization of negative effects of Lessepsian migration and the adaptation of fisheries to this phenomenon.

Subject Keywords

Sea

URI

https://hdl.handle.net/11511/54512

Collections

Graduate School of Marine Sciences, Conference / Seminar

Suggestions

OpenMETU
Core

Seasonal Changes in the Composition and Abundance ofZooplankton in the Seas of the Mediterranean Basin Kovalev, Av; Mazzocchı, Mg; Toklu Alıçlı, Benin; Skryabın, Va; Kıdeyş, Ahmet Erkan (2003-01-01) Seasonal changes in the composition, abundance and biomass of zooplankton in the seas of the Mediterranean basin (the Mediterranean, Black and Azov seas) have been reviewed using our own data and data from the literature. In the deep-water central regions of the seas, the seasonal cycle of zooplankton abundance is characterised by one maximum occurring in spring or summer. In the coastal regions, two to three peaks (spring, summer and autumn) exist for the zooplankton abundance. The amplitude of seasonal fl...
Vertical distribution of marine cyanobacteria Synechococcus spp. in the Black, Marmara, Aegean, and eastern Mediterranean seas Uysal, Zahit (2006-01-01) The vertical distributions of the unicellular cyanobacteria Synechococcus were studied in several highly contrasting seas: the Black Sea, Sea of Marmara, Aegean Sea, and Mediterranean Sea. Cell abundances varied significantly on both vertical and horizontal scales in all physically and spatially discrete water masses. Epifluorescence microscope cell counts from all seas clearly showed that majority of the population remains suspended in the surface-mixed layer and decreases gradually towards the base of the...
Continuous resistivity profiling survey in Mersin Harbour, Northeastern Mediterranean Sea OKYAR, Mahmut; YILMAZ, Sedat; Tezcan, Devrim; Cavas, Hakan (2013-06-01) No detailed information has previously been available on the geological and geophysical characteristics of the sea floor and the underlying strata of Mersin Harbour, Northeastern Mediterranean Sea (Turkey). Continuous resistivity profiling (CRP) and borehole data from Mersin Harbour were used to interpret geoelectric stratigraphy of Neogene-Quaternary sediments in the area. This represents one of few such detailed case studies that have applied these valuable CRP techniques for the purpose of marine stratig...
Determinants of temperature and salinity in the Levantine Sea using in-situ data Serimözü, Cem; Taşıran, Ali Cevat; Sustainable Environment and Energy Systems (2019-8) The Levantine Sea, part of the Eastern Mediterranean where international interests collide and exposed to rising anthropogenic pressure, is our focus in this study. Additionally, four of its sub-regions: Cilician and Levantine Basins, Coastal Nile Delta and Rhodes Gyre are chosen. On account of the relative scarcity of scientific studies of these regions, we aimed to contribute to the investigation of Sea Water Temperature and Salinity, two critical oceanographic parameters in the context of climate change....
Quantitative comparison of the influxes of nutrients and organic carbon into the sea of marmara both from anthropogenic sources and from The Black Sea Tuğrul, Süleyman; POLAT, Çolpan (1995-01-01) The Sea of Marmara, an intercontinental basin with two narrow and shallow straits permitting the exchange of the Mediterranean and Black Sea waters, receives 2.8x10(4) tons TP (total phosphorus), 2.7x10(5) tons TN (total nitrogen) and 1.9x10(6) tons TOC (total organic carbon) per year from the Black Sea inflow, from the lower layer by vertical mixing and from anthropogenic inputs of various origins including riverine discharges. The Black Sea input through the Bosphorus constitutes about 35, 64 and 77%, res...

Citation Formats

E. Lefkaditou et al., “What is the Impact of Lessepsian Species on Eastern Mediterranean Fisheries?,” 2011, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/54512.