Article (Scientific journals)
Mobility and home-range use of Atlantic salmon parr over short time scales
Ovidio, Michaël; Enders, Eva C.; Hallot, Eric et al.
2007In Aquatic Living Resources, 20 (1, JAN-MAR), p. 95-101
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Keywords :
tracking; home range; radio-telemetry; Atlantic salmon parr; Salmo salar; Canada
Abstract :
[en] This study performed in the Patapedia River (Quebec, Gaspesie) was designed to examine the space utilization and mobility patterns of individual Atlantic salmon parr over short time scales with frequent detections of position. In August 2004, n = 7 radio-tagged Atlantic salmon parr were located every 20 min during 10 tracking periods chosen to take into account the dawn, day, dusk and night periods. Parr showed important inter individual variability in space utilization and mobility patterns, occupying large home ranges (123 to 5602 m(2)) and sometimes migrating 2 km upstream in the river. No differences were observed in the mean distance travelled among the four daily periods by individual fish, but the estimated home ranges utilized during the four daily periods overlapped only partially, demonstrating that parr partly occupy different areas of the river during different parts of the daily cycle. The results suggest that an intense survey on a small number of fish may contribute to a complementary comprehension of space utilization and mobility patterns of Atlantic salmon parr when viewed in association with results from studies surveying larger number of fish at lower frequency.
Disciplines :
Aquatic sciences & oceanology
Author, co-author :
Ovidio, Michaël  ;  Université de Liège - ULiège > Biologie du comportement - Ethologie et psychologie animale
Enders, Eva C.
Hallot, Eric ;  Université de Liège - ULiège > Département de géographie > Hydrographie et géomorphologie fluviatile
Roy, Mathieu L.
Philippart, Jean-Claude ;  Université de Liège - ULiège > Département des sciences et gestion de l'environnement > Biologie du comportement - Ethologie et psychologie animale
Petit, François  ;  Université de Liège - ULiège > Département de géographie > Géomorphologie fluviatile, hydrographie
Roy, André G.
Language :
English
Title :
Mobility and home-range use of Atlantic salmon parr over short time scales
Publication date :
2007
Journal title :
Aquatic Living Resources
ISSN :
0990-7440
eISSN :
1765-2952
Publisher :
Edp Sciences S A, Les Ulis Cedex A, France
Volume :
20
Issue :
1, JAN-MAR
Pages :
95-101
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 06 February 2009

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