Biodiversity of marine sessile epifauna at an Aegean island subject to hydrothermal activity: Milos, eastern Mediterranean Sea

Morri, Carla; Bianchi, C. N.; Cocito, Silvia; Peirano, Andrea; Biase, AM De; Aliani, Stefano; Pansini, Maurizio; Boyer, M.; Ferdeghini, Francesca; Pestarino, Mario; Dando, P. R.

doi:10.1007/s002270050674

Cited by 88 publications

(79 citation statements)

References 26 publications

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“…At a lower latitude, e.g. Milos Is., a site of established regional (Mediterranean Sea) benthic richness (Morri et al, 1999), numbers of hard substratum shallow benthic species were comparable with SW Ireland and lower than at Tierra del Fuego, Signy and Adelaide islands. In contrast, typical temperate and tropical species richness in the littoral zone is probably an order of magnitude higher (e.g.…”

Section: Diversity and Richnessmentioning

confidence: 77%

Changing chain: past, present and future of the Scotia Arc's and Antarctica's shallow benthic communities

Barnes¹

2005

Sci. Mar.

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When the ancient supercontinent of Gondwana disintegrated and the fragments drifted apart to form continents, Antarctica became very isolated over the geographic south pole. From its former near-subtropical forests, Antarctica has become the coldest, windiest, driest and highest continent that is almost entirely covered with ice sheets several kilometres thick. The Circumpolar Current that developed in ARNTZ, G.A. LOVRICH and S. THATJE (eds.) Changing chain: past, present and future of the Scotia Arc's and Antarctica's shallow benthic communities* DAVID K.A. BARNES British Antarctic Survey, N.E.R.C., High Cross, Madingley Road, Cambridge, CB3 OET, England. E-mail: dkab@bas.ac.uk SUMMARY: The Scotia Arc links Patagonia to the Antarctic Peninsula. This island chain has changed considerably since Antarctica's geographic and thermal isolation from other land and water masses. Now its rates of air, land and fresh-water climate change are among the highest measured. This review examines work on the shallow water benthos of this region in the context of climate change. In summer, primary productivity is as intense as anywhere, whilst in winter the water reaches unprecedented clarity. Suspension feeders may eat for just a few months but others feed all year. Growth and reproduction are up to 50x slower than non-polar rates. Life here is in the slow lane. There is intense summer disturbance from icescour and wave action. This has erased shore zonation and created it below the surface. In contrast to summer disturbance, the winter is among the calmest and most thermally stable environments, when the area is overlain by fast ice. Whilst few animal phyla or species are represented on land, phyletic richness-and in some groups species richness-rivals that of tropical regions. Data showing clines in benthic richness at several taxonomic levels across the Patagonia-South Georgia-Signy Is.-Adelaide Is. chain and 50 years of ice-sheet retreat are presented.Keywords: polar benthos, zonation, metabolism, suspension-feeding, growth, reproduction. RESUMEN: UNA CADENA CAMBIANTE: PASADO, PRESENTE Y FUTURO DE LAS COMUNIDADES BENTÓNICAS SOMERAS DEL ARCODE SCOTIA Y ANTÁRTIDA. -El Arco de Scotia conecta la Patagonia con la Península Antártica. Esta cadena de islas ha cambiado considerablemente desde el aislamiento geográfico y térmico de la Antártida respecto de otras masas de agua y tierra. Actualmente, esta área tiene las tasas de cambios climáticos más elevadas, tanto en aire, tierra y aguas continentales. En esta revisión, se examinan los estudios en las comunidades bentónicas de aguas someras en el contexto del cambio global. La productividad primaria es, durante el verano, tan intensa como en otras áreas, mientras que en invierno las aguas alcanzan una claridad sin precedentes. Los suspensívoros pueden alimentarse por apenas unos pocos meses, pero otros se alimentan durante todo el año. El crecimiento y la reproducción son hasta 50 veces más lentos que en los organismos no polares. La vida aquí está en el "carril lento". Durante...

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Section: Diversity and Richnessmentioning

confidence: 77%

Changing chain: past, present and future of the Scotia Arc's and Antarctica's shallow benthic communities

Barnes¹

2005

Sci. Mar.

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“…Nevertheless, Koukouras et al (1995) compiled the dispersed bibliography on Aegean ascidians, adding new records, and sixty-seven species were listed. At a later date, Morri et al (1999) and Kondilatos et al (2010) added Polyclinum aurantium and Phallusia nigra, respectively, to the ascidian inventory. From 2008 to 2012, scuba diving observations in shallow depths (0-2 m) on rocky bottoms in the Northern Aegean (Chalkidiki), Messiniakos Gulf, Paros Island and Argolikos Gulf have contributed to this inventory bringing the total number to seventy-two species, including three new records: Lissoclinum perforatum, Ciona roulei and Ecteinascidia turbinata.…”

Section: Pteragogus Pelycus (Randall 1981) In the Cretan Seamentioning

confidence: 99%

New Mediterranean Biodiversity Records (December 2012)

et al. 2012

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This paper presents records extending or confirming the distribution of Mediterranean species. Three alien algae are included, namely Codium taylorii reported for the first time from the Aegean and Turkey (Izmir Gulf), Caulerpa racemosa var. cylindracea (Karpathos and Chalki Isl., Aegean Sea) and Ganonema farinosum (Karpathos Isl., Aegean Sea). As far as animals are concerned, Litarachna divergens (Acari: Hydrachnidia) was recorded (Side, Eastern Mediterranean) and represents a new amendment at genus level for Turkish fauna. Other invertebrates include alien species such as the crabs Dyspanopeus sayi (Lago Fusaro, SW Italy), Percnon gibbesi (Larnaca, Cyprus; Karpathos and Chalki Isl., Aegean Sea) and Callinectes sapidus (Voda estuary, NW Greece), the nudibranch Aplysia dactylomela (Boka Kotorska Bay, Montenegro), the gastropod Conomurex persicus (Karpathos and Chalki Isl., Aegean Sea) and the bryozoan Electra tenella (Livorno harbour and Messina Straits area). The alien fish Siganus luridus, Siganus rivulatus, Fistularia commersonii, Sphyraena chrysotaenia and Sargocentron rubrum are also reported from the islands of Karpathos and Chalki, and Pteragogus pelycus from Heraklion Bay, Crete. In addition, new localities for four rare Mediterranean inhabitants are given: the cephalopod Thysanoteuthis rhombus (NW Sardinia) and the fish: Lampris guttatus (Calabria, S Italy), Petromyzon marinus (Gokova Bay) and Remora australis (Saronikos Gulf), while the opisthobranch gastropod Cerberilla bernadettae is reported for the first time from the E Mediterranean (Cyprus). Finally, three species of the Aegean ascidiofauna are recorded for the first time: Lissoclinum perforatum, Ciona roulei and Ecteinascidia turbinata. Furthermore, it was established that Phallusia nigra has extended its distributional range to the north of the Aegean Sea.

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“…This richness is surely linked to the deep-rooted Mediterranean faunistic tradition, but also to the peculiar ecological features and the geological history of the basin. Up to now, about 8000 macroscopic marine invertebrates have been described for the whole Mediterranean Basin, 87% of which were found in the Western Basin, 48.9% in the Adriatic and 43.1% in the Eastern Basin (Morri et al 1999). The Western Basin also includes 77% of the endemic species, but this high percentage could be influenced by the fact that it has been studied longer and more thoroughly (Bouillon et al 2004).…”

Section: The Mediterranean Basinmentioning

confidence: 99%

Mediterranean Syllidae (Annelida: Polychaeta) revisited: biogeography, diversity and species fidelity to environmental features

Musco¹,

Giangrande²

2005

Mar. Ecol. Prog. Ser.

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The species diversity of Syllidae (Annelida: Polychaeta) on different coastlines within the Mediterranean Basin was analysed, including along the Salento Peninsula (Italy), which is thought to play a crucial role as a crossroads between different biogeographic areas. Analysis of biogeography, the assignment of species into 6 bioclimatic categories, a novel method to assess intermatrix correlation significance and the correlation between species distribution, and some environmental variables provided relevant tools to investigate the influence of a suite of ecological and historical factors on syllid distribution. Data showed that Syllidae could be considered a useful taxon for biogeographic speculations, even though bioclimatic and environmental analyses appeared significantly more informative. The Salento Peninsula revealed an affinity with some eastern Mediterranean coastlines. Syllid distribution suggested the existence of an 'Atlantism' gradient, decreasing eastwards and possibly corresponding to a temperature gradient when bioclimatic categories were analysed. In contrast to previous results, the Eastern and Western Basins did not show great differences in species diversity. The observed differences could, in part, be due to an 'author effect', due to the differing taxonomic updating of the available faunistic lists. Syllidae were found to be effective faunistic and ecological indicators, able to characterize different areas inside the Mediterranean Sea; thus, the present results could be used to stimulate further research on different aspects of the family.

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Biodiversity of marine sessile epifauna at an Aegean island subject to hydrothermal activity: Milos, eastern Mediterranean Sea

Cited by 88 publications

References 26 publications

Changing chain: past, present and future of the Scotia Arc's and Antarctica's shallow benthic communities

Changing chain: past, present and future of the Scotia Arc's and Antarctica's shallow benthic communities

New Mediterranean Biodiversity Records (December 2012)

Mediterranean Syllidae (Annelida: Polychaeta) revisited: biogeography, diversity and species fidelity to environmental features

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