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DIET COMPOSITION OF BROWN TROUT (SALMO TRUTTA L., 1756) FROM THREE RIVERS WITHIN SPECIAL NATURAL RESERVE «UVAC»

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2018
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Authors
Đikanović, Vesna
Skorić, Stefan
Nikčević, Miroslav
Mićković, Branislav
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Abstract
Ispitivana je ishrana potočne pastrmke iz tri vodotoka na području Specijalnog rezervata prirode „Uvac”: Mali Uvac (gornji deo toka Uvca); Tisovica i Zlošnica. Aparatom za elektroribolov ulovljeno je ukupno 29 primeraka pastrmke (14 iz Uvca, 11 iz Tisovice i 4 iz Zlošnice). Pregled crevnog sadržaja obuhvatio je identifikaciju konzumiranih kategorija plena i njihovu brojnu zastupljenost. Na osnovu dobijenih podataka izračunati su indeksi učestalosti, abundantnosti i značajnosti za svaku od utvrđenih kategorija plena. Utvrđeno je da pastrmke iz istraživanih voda, u pogledu diverziteta plena, odlikuje relativno širok spektar ishrane. Generalno, pastrmke iz ovih voda pretežno se hrane akvatičnim beskičmenjacima, pri čemu larve Trichoptera predstavljaju najznačajniji element ishrane. Kao vizuelni predator, pastrmka ispoljava jasan afinitet ka krupnijem i mobilnijem plenu. Dobijeni rezultati, budući da se radi o relativno malim uzorcima prikupljenim tokom jednog mesečnog izlaska (sept...embar), mogu se smatrati preliminarnim i iziskuju dalja istraživanja.

The brown trout (Salmo trutta Linnaeus 1756) inhabits almost all rivers and streams running through the area of Special Natural Reserve «Uvac» (southwest of Serbia). In some of them it represents the only present fish species, and studies of its diet are important issue to understand its biology. Analysis of its diet provides information on its trophic requirements, interactions with other species, and habitat use in the investigated ecosystem (Oscoz et al., 2005; Ruginis, 2008). There are numerous studies concerning feeding of brown trout in European waters and elsewhere (Kara and Alp, 2005; Osoz et al., 2005; Montori et al., 2006; Ruginis, 2008; and references therein). On the contrary, such studies are scarce in Serbia and, to the best of our knowledge, in last 25 years only one paper concerning this matter was published (Skorić et al., 2012). The aim of this study is to describe diet composition of brown trout in the three rivers within the area of the Special Natural Reser...ve «Uvac».

Keywords:
brown trout / feeding / diet composition / aquatic invertebrates
Source:
VIII MEĐUNARODNA KONFERENCIJA “WATER & FISH”, 2018, 266-271
Publisher:
  • Univesity of Belgrade - Faculty of Agriculture
Funding / projects:
  • Fishes as water quality indicators in open waters of Serbia (RS-173045)

ISBN: 978-86-7834-308-7

[ Google Scholar ]
Handle
https://hdl.handle.net/21.15107/rcub_rimsi_1711
URI
http://rimsi.imsi.bg.ac.rs/handle/123456789/1711
Collections
  • Radovi istraživača / Researchers’ publications
Institution/Community
Institut za multidisciplinarna istraživanja
TY  - CONF
AU  - Đikanović, Vesna
AU  - Skorić, Stefan
AU  - Nikčević, Miroslav
AU  - Mićković, Branislav
PY  - 2018
UR  - http://rimsi.imsi.bg.ac.rs/handle/123456789/1711
AB  - Ispitivana je ishrana potočne pastrmke iz tri vodotoka na području Specijalnog rezervata prirode „Uvac”: Mali Uvac (gornji deo toka Uvca); Tisovica i Zlošnica. Aparatom za
elektroribolov ulovljeno je ukupno 29 primeraka pastrmke (14 iz Uvca, 11 iz Tisovice i 4
iz Zlošnice). Pregled crevnog sadržaja obuhvatio je identifikaciju konzumiranih kategorija
plena i njihovu brojnu zastupljenost. Na osnovu dobijenih podataka izračunati su indeksi
učestalosti, abundantnosti i značajnosti za svaku od utvrđenih kategorija plena. Utvrđeno je
da pastrmke iz istraživanih voda, u pogledu diverziteta plena, odlikuje relativno širok spektar ishrane. Generalno, pastrmke iz ovih voda pretežno se hrane akvatičnim beskičmenjacima, pri čemu larve Trichoptera predstavljaju najznačajniji element ishrane. Kao vizuelni
predator, pastrmka ispoljava jasan afinitet ka krupnijem i mobilnijem plenu. Dobijeni rezultati, budući da se radi o relativno malim uzorcima prikupljenim tokom jednog mesečnog
izlaska (septembar), mogu se smatrati preliminarnim i iziskuju dalja istraživanja.
AB  - The brown trout (Salmo trutta Linnaeus 1756) inhabits almost all rivers and streams
running through the area of Special Natural Reserve «Uvac» (southwest of Serbia). In some
of them it represents the only present fish species, and studies of its diet are important issue
to understand its biology. Analysis of its diet provides information on its trophic requirements, interactions with other species, and habitat use in the investigated ecosystem (Oscoz
et al., 2005; Ruginis, 2008). There are numerous studies concerning feeding of brown trout
in European waters and elsewhere (Kara and Alp, 2005; Osoz et al., 2005; Montori et al.,
2006; Ruginis, 2008; and references therein). On the contrary, such studies are scarce in
Serbia and, to the best of our knowledge, in last 25 years only one paper concerning this
matter was published (Skorić et al., 2012). The aim of this study is to describe diet composition of brown trout in the three rivers within the area of the Special Natural Reserve
«Uvac».
PB  - Univesity of Belgrade - Faculty of Agriculture
C3  - VIII MEĐUNARODNA KONFERENCIJA “WATER & FISH”
T1  - DIET COMPOSITION OF BROWN TROUT (SALMO TRUTTA L., 1756) FROM THREE RIVERS WITHIN SPECIAL NATURAL RESERVE «UVAC»
EP  - 271
SP  - 266
UR  - https://hdl.handle.net/21.15107/rcub_rimsi_1711
ER  - 
@conference{
author = "Đikanović, Vesna and Skorić, Stefan and Nikčević, Miroslav and Mićković, Branislav",
year = "2018",
abstract = "Ispitivana je ishrana potočne pastrmke iz tri vodotoka na području Specijalnog rezervata prirode „Uvac”: Mali Uvac (gornji deo toka Uvca); Tisovica i Zlošnica. Aparatom za
elektroribolov ulovljeno je ukupno 29 primeraka pastrmke (14 iz Uvca, 11 iz Tisovice i 4
iz Zlošnice). Pregled crevnog sadržaja obuhvatio je identifikaciju konzumiranih kategorija
plena i njihovu brojnu zastupljenost. Na osnovu dobijenih podataka izračunati su indeksi
učestalosti, abundantnosti i značajnosti za svaku od utvrđenih kategorija plena. Utvrđeno je
da pastrmke iz istraživanih voda, u pogledu diverziteta plena, odlikuje relativno širok spektar ishrane. Generalno, pastrmke iz ovih voda pretežno se hrane akvatičnim beskičmenjacima, pri čemu larve Trichoptera predstavljaju najznačajniji element ishrane. Kao vizuelni
predator, pastrmka ispoljava jasan afinitet ka krupnijem i mobilnijem plenu. Dobijeni rezultati, budući da se radi o relativno malim uzorcima prikupljenim tokom jednog mesečnog
izlaska (septembar), mogu se smatrati preliminarnim i iziskuju dalja istraživanja., The brown trout (Salmo trutta Linnaeus 1756) inhabits almost all rivers and streams
running through the area of Special Natural Reserve «Uvac» (southwest of Serbia). In some
of them it represents the only present fish species, and studies of its diet are important issue
to understand its biology. Analysis of its diet provides information on its trophic requirements, interactions with other species, and habitat use in the investigated ecosystem (Oscoz
et al., 2005; Ruginis, 2008). There are numerous studies concerning feeding of brown trout
in European waters and elsewhere (Kara and Alp, 2005; Osoz et al., 2005; Montori et al.,
2006; Ruginis, 2008; and references therein). On the contrary, such studies are scarce in
Serbia and, to the best of our knowledge, in last 25 years only one paper concerning this
matter was published (Skorić et al., 2012). The aim of this study is to describe diet composition of brown trout in the three rivers within the area of the Special Natural Reserve
«Uvac».",
publisher = "Univesity of Belgrade - Faculty of Agriculture",
journal = "VIII MEĐUNARODNA KONFERENCIJA “WATER & FISH”",
title = "DIET COMPOSITION OF BROWN TROUT (SALMO TRUTTA L., 1756) FROM THREE RIVERS WITHIN SPECIAL NATURAL RESERVE «UVAC»",
pages = "271-266",
url = "https://hdl.handle.net/21.15107/rcub_rimsi_1711"
}
Đikanović, V., Skorić, S., Nikčević, M.,& Mićković, B.. (2018). DIET COMPOSITION OF BROWN TROUT (SALMO TRUTTA L., 1756) FROM THREE RIVERS WITHIN SPECIAL NATURAL RESERVE «UVAC». in VIII MEĐUNARODNA KONFERENCIJA “WATER & FISH”
Univesity of Belgrade - Faculty of Agriculture., 266-271.
https://hdl.handle.net/21.15107/rcub_rimsi_1711
Đikanović V, Skorić S, Nikčević M, Mićković B. DIET COMPOSITION OF BROWN TROUT (SALMO TRUTTA L., 1756) FROM THREE RIVERS WITHIN SPECIAL NATURAL RESERVE «UVAC». in VIII MEĐUNARODNA KONFERENCIJA “WATER & FISH”. 2018;:266-271.
https://hdl.handle.net/21.15107/rcub_rimsi_1711 .
Đikanović, Vesna, Skorić, Stefan, Nikčević, Miroslav, Mićković, Branislav, "DIET COMPOSITION OF BROWN TROUT (SALMO TRUTTA L., 1756) FROM THREE RIVERS WITHIN SPECIAL NATURAL RESERVE «UVAC»" in VIII MEĐUNARODNA KONFERENCIJA “WATER & FISH” (2018):266-271,
https://hdl.handle.net/21.15107/rcub_rimsi_1711 .

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