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Titolo:
Effects of changes in seagrass shoot density and leaf height on the abundance of juveniles of Acentrogobius pflaumii in a Zostera marina bed
Autore:
Horinouchi, M; Sano, M;
Indirizzi:
Univ Tokyo, Grad Sch Agr & Life Sci, Dept Global Agr Sci, Bunkyo Ku, Tokyo1138657, Japan Univ Tokyo Tokyo Japan 1138657 l Agr Sci, Bunkyo Ku, Tokyo1138657, Japan
Titolo Testata:
ICHTHYOLOGICAL RESEARCH
fascicolo: 2, volume: 48, anno: 2001,
pagine: 179 - 185
SICI:
1341-8998(20010525)48:2<179:EOCISS>2.0.ZU;2-X
Fonte:
ISI
Lingua:
ENG
Soggetto:
CENTRAL JAPAN; HABITAT SELECTION; FISH COMMUNITIES; EELGRASS; DECAPODS; ECOLOGY; GROWTH; PREY; FOOD; RECRUITMENT;
Keywords:
habitat complexity; seagrass bed; goby juveniles;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Citazioni:
37
Recensione:
Indirizzi per estratti:
Indirizzo: Horinouchi, M Univ Tokyo, Grad Sch Agr & Life Sci, Dept Global Agr Sci, Bunkyo Ku, Tokyo1138657, Japan Univ Tokyo Tokyo Japan 1138657 kyo Ku, Tokyo1138657, Japan
Citazione:
M. Horinouchi e M. Sano, "Effects of changes in seagrass shoot density and leaf height on the abundance of juveniles of Acentrogobius pflaumii in a Zostera marina bed", ICHTHYOL R, 48(2), 2001, pp. 179-185

Abstract

The effects of changes in the structural complexity of a seagrass (Zosteramarina) habitat on the density of juveniles of the streaked goby, Acentrogobius pflaumii, were investigated by field experimentation at Moroiso Bay, Miura Peninsula, Japan. The experimental design, which included seven treatments plus a control, included reduction of seagrass shoot densities and leaf heights as well as complete removal of seagrass. Throughout the study period,juvenile densities remained similar among the experimental quadrats, including the completely cleared quadrat. On the other hand, juveniles did not appear over the bare sandy substratum surrounding the experimental seagrass bed. Within the bed, prey densities were high, being similar among the experimental quadrats, whereas prey were relatively scarce over the surrounding bare substratum. This result suggested that streaked goby juveniles were not attracted to the structure of the Zostera bed per se and that their distribution patterns may be determined by other factors, such as prey availability.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 22/01/20 alle ore 12:26:27