Naslov
Qualitative and Quantitative Composition of Wintering Ornithofauna at the Carp Fishponds in the Sava River Tract

Autori
Jurčević, Ivančica ; Mikuska, Jozsef

Vrsta, podvrsta i kategorija rada
Radovi u zbornicima skupova, cjeloviti rad (in extenso), znanstveni

Izvornik
IAD Limnological Reports Volume 34 Proceedings / Brezeanu, Gheorghe ; Stiuca, Romulus - Bukurešt : Editura Academiei Române, 2002, 795-801

Skup
The 34th Conference of the International Association for Danube Research

Mjesto i datum
Tulcea, Rumunjska, 26.08.2002. - 31.08.2002

Vrsta sudjelovanja
Poster

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
wintering bird communities; Anatidae; mid-winter waterbird count; carp fishponds; the Sava River

Sažetak
Wintering Anatidae have been researched on eight carp fishponds in the Sava River tract in continental Croatia: "Jasinje", "Narta", "Končanica", "Okučani", "Lipovljani", "Crna Mlaka", "Pisarovina" and "Draganić". The data have been collected during a ten-year period, from January 1987 till January 1996, as a part of the Mid-Winter Waterbird Count. Twenty-two Anatidae species were noted out of a total of 25 species that have contemporaneously wintered in Croatia as a whole. The highest numbers and the most common species were Anas platyrhynchos, followed by Anas crecca, Aythya ferina, Bucephala clangula and Cygnus olor. The index of similarity ranged between 30.8% and 81.1%. The highest species diversity was found at Jasinje fishpond. The Shannon-Wiener diversity index ranged between 0.16 and 0.74. A globally threatened species - Aythya nyroca - was also recorded here. Out of eight investigated fishponds five are evaluated as Important Bird Areas and potential Ramsar Sites.

Izvorni jezik
Engleski

Znanstvena područja
Biologija

POVEZANOST RADA