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izvor podataka: crosbi

Pregled pridnenih zajednica u uvali Gaženica (trajektni terminal Zadar, srednji Jadran) (CROSBI ID 519261)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa | domaća recenzija

Nerlović, Vedrana ; Jaklin, Andrej Asurvey of benthic communities in Gaženica Bay (Zadar, middle Adriatic) / Pregled pridnenih zajednica u uvali Gaženica (trajektni terminal Zadar, srednji Jadran) // Proceeding of the 9th Croatian biological congress / Besendorfer, Višnja ; Klobučar, Goran (ur.). Zagreb: Hrvatsko biološko društvo, 2006. str. 279-280

Podaci o odgovornosti

Nerlović, Vedrana ; Jaklin, Andrej

hrvatski

Pregled pridnenih zajednica u uvali Gaženica (trajektni terminal Zadar, srednji Jadran)

A biocenological estimation of benthic communities was carried out in Gaženica bay, Zadar area, during September 2003. Macrobenthos was observed in situ along three bottom transects using SCUBA divinig technique and by direct observation method. A total of 15 macroalgae species, one marine phanerogam and 69 animal species was recorded. Quite a small number of recorded species could be explained through the weak sea water dinamic and increased input of the finest sediment fraction. Despite the shallownes of the area investigated the largest part of the bottom consists of fine sediment resembling to terignos ooze. Sporadic enclaves of hard bottom along all the three transects (individual stones or bigger litter) are colonized by a small number of sciaphilic organisms, mainly of filtrator or suspension-feeding type. Their occurence in the shallow water is probably the result of a reduced light penetration and a permanent input of organic particles in suspension. The presence of the green alga Dasycladus vermicularis, an indicator of mud deposition, confirms the stronger sedimentation. Settlements of the mussel Mytilus galloprovincialis in the mediolittoral step are an evidence of fresh water inflow in the surface layer of the area investigated. Dense settlements of the brown anemone Anemonia sulcata in some places indicate a higher input of organic matter in the ecosystem. This statement is supported by the presence of the green nitrophilic alga Ulva lactuca, which is considered as an indicator of a higher dominance of nutrients in the zone. Reduced and isolated bottom surfaces occupied by the phanerogam Cymodocea nodosa, as well as the absence of characteristic biocoenosis elements, suggest a recent degradation of this community. This survey of benthic communities should be considered as a preliminary assessment of the present initial state since there are no biocenological data for the area investigated.

bentos ; fauna ; flora ; srednji Jadran

nije evidentirano

engleski

Asurvey of benthic communities in Gaženica Bay (Zadar, middle Adriatic)

A biocenological estimation of benthic communities was carried out in Gaženica bay, Zadar area, during September 2003. Macrobenthos was observed in situ along three bottom transects using SCUBA divinig technique and by direct observation method. A total of 15 macroalgae species, one marine phanerogam and 69 animal species was recorded. Quite a small number of recorded species could be explained through the weak sea water dinamic and increased input of the finest sediment fraction. Despite the shallownes of the area investigated the largest part of the bottom consists of fine sediment resembling to terignos ooze. Sporadic enclaves of hard bottom along all the three transects (individual stones or bigger litter) are colonized by a small number of sciaphilic organisms, mainly of filtrator or suspension-feeding type. Their occurence in the shallow water is probably the result of a reduced light penetration and a permanent input of organic particles in suspension. The presence of the green alga Dasycladus vermicularis, an indicator of mud deposition, confirms the stronger sedimentation. Settlements of the mussel Mytilus galloprovincialis in the mediolittoral step are an evidence of fresh water inflow in the surface layer of the area investigated. Dense settlements of the brown anemone Anemonia sulcata in some places indicate a higher input of organic matter in the ecosystem. This statement is supported by the presence of the green nitrophilic alga Ulva lactuca, which is considered as an indicator of a higher dominance of nutrients in the zone. Reduced and isolated bottom surfaces occupied by the phanerogam Cymodocea nodosa, as well as the absence of characteristic biocoenosis elements, suggest a recent degradation of this community. This survey of benthic communities should be considered as a preliminary assessment of the present initial state since there are no biocenological data for the area investigated.

benthos ; fauna ; flora ; middle Adriatic

nije evidentirano

nije evidentirano

nije evidentirano

nije evidentirano

nije evidentirano

nije evidentirano

Podaci o prilogu

279-280.

2006.

objavljeno

Podaci o matičnoj publikaciji

Proceeding of the 9th Croatian biological congress

Besendorfer, Višnja ; Klobučar, Goran

Zagreb: Hrvatsko biološko društvo

Podaci o skupu

9th Croatian Biological Congress with international participation

predavanje

23.09.2006-29.09.2006

Rovinj, Hrvatska

Povezanost rada

Biologija