Sexual maturity increases mobility and heterogeneity in individual space use in Atlantic salmon (Salmo salar) parr.


:We assessed the effects of sexual maturity on space use in Atlantic salmon (Salmo salar) parr as facultative early maturation enables us to work on individuals belonging to the same cohort. We monitored the space use of 40 1-year-old males in natura throughout a breeding season. First, mature individuals covered longer distances (absolute and upstream) and located within broader home ranges than immature parr. Second, sexual maturity also generated a higher interindividual variability in space use. Finally, mature individuals exhibited a higher probability of association with likely breeding sites on average. However, some mature individuals experienced a lower probability than immature individuals, suggesting that the space use of some mature individuals may not be optimal. Moreover, mature parr exploiting a broader home range or covering longer upstream distances had a higher probability of association with likely breeding sites. Covering longer upstream distances may therefore increase the reproductive success of mature parr, while involving higher energetic costs and a greater risk of predation.


J Fish Biol


Journal of fish biology


Bouchard C,Lange F,Guéraud F,Rives J,Tentelier C




Has Abstract


2020-04-01 00:00:00












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    abstract::The recovery of oxygen uptake to the standard metabolic rate (SMR) following exhaustive chasing exercise in Atlantic salmon Salmo salar parr occurred in three phases (rapid, plateau and slow). The initial recovery phase lasted 0·7 h and contributed 16% to the total excess post-exercise oxygen consumption (EPOC). It wa...

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    pub_type: 杂志文章


    authors: Zhang Y,Claireaux G,Takle H,Jørgensen SM,Farrell AP

    更新日期:2018-05-01 00:00:00

  • Conservation value of Codium tenue habitat for the endangered Knysna seahorse Hippocampus capensis.

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  • The role of submerged trees in the early development of fishes in a Neotropical reservoir.

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    authors: Gogola TM,Daga PS,Gubiani ÉA,da Silva PL,Sanches PV

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    authors: Wu F,Su P,Chen L,Li M,Liu X,Li Q

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    journal_title:Journal of fish biology

    pub_type: 杂志文章,评审


    authors: Chapman BB,Hulthén K,Brodersen J,Nilsson PA,Skov C,Hansson LA,Brönmark C

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    pub_type: 杂志文章,评审


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    pub_type: 杂志文章,评审


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    authors: Wearmouth VJ,Southall EJ,Morritt D,Sims DW

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    authors: Cejko BI,Słowińska M,Judycka S,Kowalski RK

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    journal_title:Journal of fish biology

    pub_type: 杂志文章


    authors: Edenbrow M,Croft DP

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    pub_type: 杂志文章


    authors: Vlieger L,Candolin U

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    journal_title:Journal of fish biology

    pub_type: 杂志文章


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    journal_title:Journal of fish biology

    pub_type: 杂志文章


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    更新日期:2015-02-01 00:00:00

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    pub_type: 杂志文章


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    更新日期:2020-11-17 00:00:00