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Distribution of demersal crustaceans in the southern Adriatic Sea

Croatian International Relations Review

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Title Distribution of demersal crustaceans in the southern Adriatic Sea
Dnevna slika migriranja kratkorepog raka, Maja crispata, Risso 1827 (Brachyura, Majidae)
 
Creator Ungaro, Nicola
Marano, Chiara Alessandra
Ceriola, Luca
Martino, Michele
 
Subject decapod crustaceans; stomatopods; demersal assemblages; multivariate analysis; Adriatic Sea
migracija; habitat; Maja crispata; Majidae; Jadran
 
Description Occurrence, distribution, and assemblage of crustaceans in the southern Adriatic Sea were determined from data collected during five seasonal (summer) trawl surveys carried out during 1996-2000. Trawls were conducted at a bathymetric range of 10-800 m, by the same vessel and same sampling gear in the framework of the E.U. Project, MEDITS. Fifty-two benthic-epibenthic, and nektonic species (three stomatopods, 49 decapods) were caught. Species density data (individuals per km2) were processed according to multivariate techniques to describe the composition and distribution of main pecies assemblages. The assemblages were consistent throughout the surveyed area with some differences between the western and eastern zones, mostly those found on shelf bottoms. The influence of oceanographic features, other than depth, is discussed.
U sjevernom Jadranu su promatrana dnevna pomicanja populacije brahiurnog raka, Maja crispata. Odnos spolova, mužjaka prema ženkama, iznosio je 3:2. Mužjaci su imali maksimalnu dužinu oklopa 91 mm, a ženke 74 mm. Maja crispata češće se nalazila na šljunkovitom dnu nego na bilo kojem drugom habitatu. Sedmero promatranih primjeraka nije se pomicalo prema nekom određenom području, nego se zadržavalo većim dijelom na tvrdom supstratu, između 0,8 i 3,5 m dubine. Maksimalna udaljenost od početnog položaja postignuta je u 9 dana, a iznosila je 16 metara.
 
Publisher Institute of Oceanography and Fisheries
 
Date 2005-06-01
 
Type text
info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
 
Format application/pdf
 
Identifier http://hrcak.srce.hr/76
http://hrcak.srce.hr/file/90
 
Source Acta Adriatica; Vol.46 No.1; ISSN 0001-5113 (Print); ISSN 1846-0453 (Online)
 
Language en
 
Rights info:eu-repo/semantics/openAccess