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Titolo:
Demersal fish assemblages from the bathyal grounds of the Ionian Sea (middle-eastern Mediterranean)
Autore:
DOnghia, G; Tursi, A; Maiorano, P; Matarrese, A; Panza, M;
Indirizzi:
Univ Bari, Dipartimento Zool, I-70125 Bari, Italy Univ Bari Bari Italy I-70125 ari, Dipartimento Zool, I-70125 Bari, Italy
Titolo Testata:
ITALIAN JOURNAL OF ZOOLOGY
, volume: 65, anno: 1998, supplemento:, S
pagine: 287 - 292
SICI:
1125-0003(1998)65:<287:DFAFTB>2.0.ZU;2-R
Fonte:
ISI
Lingua:
ENG
Soggetto:
COMMUNITY; SLOPE;
Keywords:
fish assemblages; cluster analysis; correspondence analysis; Ionian Sea;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Citazioni:
22
Recensione:
Indirizzi per estratti:
Indirizzo: D'Onghia, G Univ Bari, Dipartimento Zool, Via Orabona 4, I-70125 Bari, Italy Univ Bari Via Orabona 4 Bari Italy I-70125 -70125 Bari, Italy
Citazione:
G. D'Onghia et al., "Demersal fish assemblages from the bathyal grounds of the Ionian Sea (middle-eastern Mediterranean)", ITAL J ZOOL, 65, 1998, pp. 287-292

Abstract

Data collected during four trawl surveys conducted in the Ionian Sea were used to describe the: structure and spatial distribution of the demersal assemblages (fishes, crustaceans and cephalopods) on the bathyal grounds. Samples were taken from depths of 200 to 700 m during spring and autumn of 1994 and 1995. Classification and ordination of the demersal communities were conducted with cluster and correspondence analyses, respectively. Species assemblages were associated with depth. Two faunal assemblages were identified in the uppermost (about 200 - 400 m) and in the deepest (about400 - 700 m) investigated bottoms. The former was characterized by greaterabundance and biomass of mostly hake, blue whiting, rose shrimp and Norwaylobster. The latter was represented by deep-water sharks, macrourids and deep-water decapod crustaceans. On the upper slope, two main geographic areas (one north of the Taranto valley the other south) were distinguished in the correspondence analysis.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 10/07/20 alle ore 09:37:45