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Kefalas, E.; Castritsi-Catharios, I; Miliou, H. (2003). The impacts of scallop dredging on sponge assemblages in the Gulf of kalloni (Aegean Sea, northeastern Mediterranean). ICES Journal of Marine Science. 60, 402-10.
196931
Kefalas, E.; Castritsi-Catharios, I; Miliou, H.
2003
The impacts of scallop dredging on sponge assemblages in the Gulf of kalloni (Aegean Sea, northeastern Mediterranean).
ICES Journal of Marine Science
60, 402-10
Publication
Available for editors  PDF available [request]
Concerns have been raised on the impact of bottom-fishing activities in the shallow Gulf of Kalloni (Lesvos Island, Aegean Sea). Fishing with demersal gears was banned in 1995, but the Gulf was reopened in 1998 only for scallop dredging using the ‘‘lagamna’’ gear. Two series of samplings were done with this gear in 1998 and 1999 (October) before the beginning of scallop-fishing period (from November up to March), aiming to investigate possible changes in sponge assemblages. Sponges (Porifera) were the most abundant mesomegafaunal benthic organisms in the Gulf, besides scallops and other bivalves. Total abundance, number of species, species diversity, species richness and evenness of sponge assemblages reduced significantly from the year 1998 to 1999. The population of the excavating Cliona celata, the only infaunal sponge species found in the Gulf, decreased. Multivariate analysis on the abundance data of epibenthic sponge species revealed a clear separation of samples collected during the 2 years, indicating changes in the structure of sponge assemblages. The distinguishing species included a variety of growth forms: massive (Mycale massa, Suberites domuncula and Tethya citrina), lobose (Suberites massa, Tedania anhelans and Halichondria panicea), erect branching (Raspailia viminalis), encrusting (Crambe crambe) and cushion-shaped (Mycale contarenii and Chondrilla nuculla) sponges. Among these species, only S. massa increased its abundance in 1999. All others decreased. No significant loss of information occurred when multivariate analysis was applied to abundance data of genera or families. This comparative study demonstrated that the time interval between two consecutive scallop-fishing periods was insufficient for the recovery of sponge assemblages. It is concluded that scallop dredging causes long-term changes in the structure and biodiversity of sponge assemblages in the Gulf of Kalloni. An improved strategy of fishery management is required in future for the conservation of living resources in this Gulf.
Mediterranean Sea in general
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2015-03-28 19:07:10Z
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Acanthella acuta Schmidt, 1862 (additional source)
Aplysina aerophoba (Nardo, 1833) (additional source)
Aplysina cavernicola (Vacelet, 1959) (additional source)
Axinella damicornis (Esper, 1794) (additional source)
Axinella verrucosa (Esper, 1794) (additional source)
Cacospongia scalaris Schmidt, 1862 accepted as Scalarispongia scalaris (Schmidt, 1862) (additional source)
Chondrilla nucula Schmidt, 1862 (additional source)
Chondrosia reniformis Nardo, 1847 (additional source)
Clathria (Microciona) cleistochela Topsent, 1925 (additional source)
Clathria (Microciona) gradalis Topsent, 1925 (additional source)
Clathria (Microciona) toxivaria (Sarà, 1959) accepted as Clathria (Clathria) toxivaria (Sarà, 1959) (basis of record)
Clathria (Thalysias) jolicoeuri (Topsent, 1892) (additional source)
Cliona celata Grant, 1826 (additional source)
Crambe crambe (Schmidt, 1862) (additional source)
Dysidea fragilis (Montagu, 1814) (additional source)
Dysidea incrustans (Schmidt, 1862) (additional source)
Erylus discophorus (Schmidt, 1862) (additional source)
Eurypon major Sarà & Siribelli, 1960 (additional source)
Geodia cydonium (Linnaeus, 1767) (additional source)
Halichondria panicea (Pallas, 1766) represented as Halichondria (Halichondria) panicea (Pallas, 1766) (additional source)
Haliclona cinerea (Grant, 1826) represented as Haliclona (Reniera) cinerea (Grant, 1826) (additional source)
Haliclona elegans (Bowerbank, 1866) accepted as Haliclona (Reniera) cinerea (Grant, 1826) (additional source)
Haliclona fibulata (Schmidt, 1862) represented as Haliclona (Gellius) fibulata (Schmidt, 1862) (additional source)
Haliclona implexa (Schmidt, 1868) represented as Haliclona (Soestella) implexa (Schmidt, 1868) (additional source)
Haliclona mucosa (Griessinger, 1971) represented as Haliclona (Soestella) mucosa (Griessinger, 1971) (additional source)
Haliclona simulans (Johnston, 1842) represented as Haliclona (Haliclona) simulans (Johnston, 1842) (additional source)
Haliclona subtilis Griessinger, 1971 represented as Haliclona (Reniera) subtilis Griessinger, 1971 (additional source)
Halisarca dujardinii Johnston, 1842 (additional source)
Hippospongia communis (Lamarck, 1814) (additional source)
Hymedesmia peachii Bowerbank, 1882 represented as Hymedesmia (Hymedesmia) peachii Bowerbank, 1882 (additional source)
Hymedesmia versicolor (Topsent, 1893) represented as Hymedesmia (Hymedesmia) versicolor (Topsent, 1893) (additional source)
Hymeniacidon perlevis (Montagu, 1814) (additional source)
Ircinia variabilis (Schmidt, 1862) (additional source)
Lissodendoryx isodictyalis (Carter, 1882) represented as Lissodendoryx (Lissodendoryx) isodictyalis (Carter, 1882) (misapplication)
Mycale (Aegogropila) contarenii (Lieberkühn, 1859) (additional source)
Mycale (Aegogropila) rotalis (Bowerbank, 1874) (additional source)
Mycale (Carmia) macilenta (Bowerbank, 1866) (additional source)
Mycale (Mycale) massa (Schmidt, 1862) (additional source)
Myxilla (Myxilla) rosacea (Lieberkühn, 1859) (additional source)
Oceanapia fistulosa (Bowerbank, 1873) (misapplication)
Oscarella lobularis (Schmidt, 1862) (additional source)
Petrosia ficiformis (Poiret, 1789) represented as Petrosia (Petrosia) ficiformis (Poiret, 1789) (additional source)
Phorbas paupertas sensu Boury-Esnault, 1971 accepted as Phorbas topsenti Vacelet & Pérez, 2008 (additional source)
Prosuberites epiphytum sensu Topsent, 1900 accepted as Protosuberites denhartogi van Soest & de Kluijver, 2003 (additional source)
Raspaciona aculeata (Johnston, 1842) (additional source)
Sarcotragus foetidus Schmidt, 1862 (additional source)
Spongia officinalis Linnaeus, 1759 represented as Spongia (Spongia) officinalis Linnaeus, 1759 (additional source)
Spongia virgultosa (Schmidt, 1868) represented as Spongia (Spongia) virgultosa (Schmidt, 1868) (additional source)
Spongia zimocca Schmidt, 1862 represented as Spongia (Spongia) zimocca Schmidt, 1862 (additional source)
Stylinos stuposus (Esper, 1794) accepted as Ulosa stuposa (Esper, 1794) (additional source)
Stylinos tenellula (Pulitzer-Finali, 1983) accepted as Ulosa tenellula Pulitzer-Finali, 1983 (basis of record)
Suberites carnosus (Johnston, 1842) (additional source)
Suberites domuncula (Olivi, 1792) (additional source)
Suberites massa Nardo, 1847 (additional source)
Tedania anhelans (Vio in Olivi, 1792) represented as Tedania (Tedania) anhelans (Vio in Olivi, 1792) (additional source)
Tethya aurantium (Pallas, 1766) (additional source)
Tethya citrina Sarà & Melone, 1965 (additional source)
Timea stellata (Bowerbank, 1866) (additional source)
Topsentia aurantiaca (Schmidt, 1864) accepted as Axinyssa aurantiaca (Schmidt, 1864) (basis of record)
Aegean Sea for Acanthella acuta Schmidt, 1862 
Aegean Sea for Aplysina aerophoba (Nardo, 1833) 
Aegean Sea for Aplysina cavernicola (Vacelet, 1959) 
Aegean Sea for Axinella damicornis (Esper, 1794) 
Aegean Sea for Axinella verrucosa (Esper, 1794) 
Aegean Sea for Cacospongia scalaris Schmidt, 1862 
Aegean Sea for Chondrilla nucula Schmidt, 1862 
Aegean Sea for Chondrosia reniformis Nardo, 1847 
Aegean Sea for Clathria (Microciona) cleistochela Topsent, 1925 
Aegean Sea for Clathria (Microciona) gradalis Topsent, 1925 
Aegean Sea for Clathria (Microciona) toxivaria (Sarà, 1959) 
Aegean Sea for Clathria (Thalysias) jolicoeuri (Topsent, 1892) 
Aegean Sea for Cliona celata Grant, 1826 
Aegean Sea for Crambe crambe (Schmidt, 1862) 
Aegean Sea for Dysidea fragilis (Montagu, 1814) 
Aegean Sea for Dysidea incrustans (Schmidt, 1862) 
Aegean Sea for Erylus discophorus (Schmidt, 1862) 
Aegean Sea for Eurypon major Sarà & Siribelli, 1960 
Aegean Sea for Geodia cydonium (Linnaeus, 1767) 
Aegean Sea for Halichondria panicea (Pallas, 1766) 
Aegean Sea for Haliclona cinerea (Grant, 1826) 
Aegean Sea for Haliclona elegans (Bowerbank, 1866) 
Aegean Sea for Haliclona fibulata (Schmidt, 1862) 
Aegean Sea for Haliclona implexa (Schmidt, 1868) 
Aegean Sea for Haliclona mucosa (Griessinger, 1971) 
Aegean Sea for Haliclona simulans (Johnston, 1842) 
Aegean Sea for Haliclona subtilis Griessinger, 1971 
Aegean Sea for Halisarca dujardinii Johnston, 1842 
Aegean Sea for Hippospongia communis (Lamarck, 1814) 
Aegean Sea for Hymedesmia peachii Bowerbank, 1882 
Aegean Sea for Hymedesmia versicolor (Topsent, 1893) 
Aegean Sea for Hymeniacidon perlevis (Montagu, 1814) 
Aegean Sea for Ircinia variabilis (Schmidt, 1862) 
Aegean Sea for Lissodendoryx isodictyalis (Carter, 1882)  (inaccurate)
Aegean Sea for Mycale (Aegogropila) contarenii (Lieberkühn, 1859) 
Aegean Sea for Mycale (Aegogropila) rotalis (Bowerbank, 1874) 
Aegean Sea for Mycale (Carmia) macilenta (Bowerbank, 1866) 
Aegean Sea for Mycale (Mycale) massa (Schmidt, 1862) 
Aegean Sea for Myxilla (Myxilla) rosacea (Lieberkühn, 1859) 
Aegean Sea for Oceanapia fistulosa (Bowerbank, 1873)  (inaccurate)
Aegean Sea for Oscarella lobularis (Schmidt, 1862) 
Aegean Sea for Petrosia ficiformis (Poiret, 1789) 
Aegean Sea for Phorbas paupertas sensu Boury-Esnault, 1971  (inaccurate)
Aegean Sea for Prosuberites epiphytum (Lamarck, 1815)  (inaccurate)
Aegean Sea for Prosuberites epiphytum sensu Topsent, 1900 
Aegean Sea for Raspaciona aculeata (Johnston, 1842) 
Aegean Sea for Raspailia viminalis Schmidt, 1862 
Aegean Sea for Sarcotragus foetidus Schmidt, 1862 
Aegean Sea for Spongia officinalis Linnaeus, 1759 
Aegean Sea for Spongia virgultosa (Schmidt, 1868) 
Aegean Sea for Spongia zimocca Schmidt, 1862 
Aegean Sea for Stylinos stuposus (Esper, 1794) 
Aegean Sea for Stylinos tenellula (Pulitzer-Finali, 1983) 
Aegean Sea for Suberites carnosus (Johnston, 1842) 
Aegean Sea for Suberites domuncula (Olivi, 1792) 
Aegean Sea for Suberites massa Nardo, 1847 
Aegean Sea for Tedania anhelans (Vio in Olivi, 1792) 
Aegean Sea for Tethya aurantium (Pallas, 1766) 
Aegean Sea for Tethya citrina Sarà & Melone, 1965 
Aegean Sea for Timea stellata (Bowerbank, 1866) 
Aegean Sea for Topsentia aurantiaca (Schmidt, 1864) 


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