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DUŽINSKO-MASENI ODNOS KOD EUROPSKE JEGULJE Anguilla anguilla (Linnaeus, 1758) IZ ŠEST KRŠKIH RIJEKA JADRANSKOG SLIVA U HRVATSKOJ

Marina Piria orcid id orcid.org/0000-0001-6324-9282 ; University of Zagreb, Faculty of Agriculture, Department of Fisheries, Beekeeping, Game Management and Special Zoology, Svetošimunska 25, 10000 Zagreb, Croatia
Nikica Šprem ; University of Zagreb, Faculty of Agriculture, Department of Fisheries, Beekeeping, Game Management and Special Zoology, Svetošimunska 25, 10000 Zagreb, Croatia
Tea Tomljanović ; University of Zagreb, Faculty of Agriculture, Department of Fisheries, Beekeeping, Game Management and Special Zoology, Svetošimunska 25, 10000 Zagreb, Croatia
Merica Slišković ; University of Split, Faculty of Maritime Studies, Zrinsko-Frankopanska 38, 21000 Split, Croatia
Gorana Jelić Mrčelić ; University of Split, Faculty of Maritime Studies, Zrinsko-Frankopanska 38, 21000 Split, Croatia
Tomislav Treer ; University of Zagreb, Faculty of Agriculture, Department of Fisheries, Beekeeping, Game Management and Special Zoology, Svetošimunska 25, 10000 Zagreb, Croatia


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Abstract

Ovo istraživanje donosi prve dostupne podatke o dužinsko-masenom odnosu (LWRs) kod jegulja iz šest krških rijeka u Hrvatskoj. U razdoblju između 2004. i 2007. godine, elektroribolovomje prikupljeno ukupno 380 primjeraka europske jegulje dužine 13,0 – 76,0 cm. Preko 50% ulova činile su jegulje dužine 34,0 cm, dok je ulov primjeraka manjih od 15,0 cm bio neznatan.Vrijednost b LWRs-a kretala se u rasponu između 2,5957 i 2,8155, što ukazuje na negativni alometrijski rast. CPUE (g 100 m-1) naglo je pao tijekom razdoblja uzorkovanja, vjerojatno zbog promjena u okolišu, ali i zbog globalnog nestanka ove vrste.

Keywords

dužinsko-maseni odnos; europska jegulja; CPUE; alometrijski rast; krške rijeke; Jadransko more

Hrčak ID:

119862

URI

https://hrcak.srce.hr/119862

Publication date:

31.3.2014.

Article data in other languages: english

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