LotaV3, Main, Exploration, bibRecord, 000B39

Factors affecting migrations of burbot

Identifieur interne : 000B39 ( Main/Exploration ); précédent : 000B38; suivant : 000B40

Factors affecting migrations of burbot

Auteurs : O. Slavík [République tchèque] ; L. Bartoš [République tchèque]

Source :

Journal of Fish Biology [ 0022-1112 ] ; 2002-04.

RBID : ISTEX:A67864CFFC0CF7BDADDF4E6654D38F98D2A5428F

Descripteurs français

Pascal (Inist)
- Courant eau, Cours eau, Déplacement actif animal, Lota lota, Migrateur, Migration animale, Niveau eau, Passage poisson, Protection faune, Relation stimulus réponse, Rivière Ohre, République tchèque, Température, Variation saisonnière.
Wicri :
- geographic : République tchèque.

English descriptors

KwdEn :
- Animal active movement, Animal conservation, Animal migration, Czech Republic, Fishpass, Lota lota, Migratory, Response stimulus relation, Seasonal variation, Stream, Temperature, Water current, Water level, discharge variability, fish ladder, refuge availability, spawning migrations.

Abstract

In autumn, burbot Lota lota migrations through a fish ladder in the regulated Ohře River, Czech Republic, were stimulated by an increase in discharge and a decrease in water temperature but the number of burbot in the ladder was significantly lower when compared with other seasons. The maximum number of burbot in the ladder was recorded in spring when discharge decreased. A sudden decrease in water level caused burbot to leave the refuges in the riverbanks that they had occupied during high winter discharges. The results indicate that the relatively low short‐term variability of physical conditions represented by the modified discharge regime can induce a stronger response in fish migrations even in comparison with typical reproductive migrations of these species.

Url:

https://api.istex.fr/document/A67864CFFC0CF7BDADDF4E6654D38F98D2A5428F/fulltext/pdf

DOI: 10.1111/j.1095-8649.2002.tb02423.x

Affiliations:

République tchèque

Le document en format XML

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<term>Lota lota</term>
<term>Migratory</term>
<term>Response stimulus relation</term>
<term>Seasonal variation</term>
<term>Stream</term>
<term>Temperature</term>
<term>Water current</term>
<term>Water level</term>
<term>discharge variability</term>
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<term>refuge availability</term>
<term>spawning migrations</term>
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<term>Cours eau</term>
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<term>Migration animale</term>
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<term>Passage poisson</term>
<term>Protection faune</term>
<term>Relation stimulus réponse</term>
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<front><div type="abstract" xml:lang="en">In autumn, burbot Lota lota migrations through a fish ladder in the regulated Ohře River, Czech Republic, were stimulated by an increase in discharge and a decrease in water temperature but the number of burbot in the ladder was significantly lower when compared with other seasons. The maximum number of burbot in the ladder was recorded in spring when discharge decreased. A sudden decrease in water level caused burbot to leave the refuges in the riverbanks that they had occupied during high winter discharges. The results indicate that the relatively low short‐term variability of physical conditions represented by the modified discharge regime can induce a stronger response in fish migrations even in comparison with typical reproductive migrations of these species.</div>
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<name sortKey="Bartos, L" sort="Bartos, L" uniqKey="Bartos L" first="L." last="Bartoš">L. Bartoš</name>
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Serveur d'exploration Lota lota

Factors affecting migrations of burbot

Factors affecting migrations of burbot

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

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