2019
DOI: 10.1002/nafm.10354
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Temperature and Maternal Age Effects on Burbot Reproduction

Abstract: River regulation alters the thermal regime of many freshwater ecosystems, and impoundments are known to negatively impact the recruitment of fluvial Burbot Lota lota populations. Some conservation programs in North America and Eurasia have begun to incorporate stocking of hatchery Burbot to mitigate extirpation risks. Anthropogenic modification of river temperatures and population structure has unknown implications for Burbot reproduction. This study evaluated the effects of elevated water temperatures and dif… Show more

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Cited by 18 publications
(40 citation statements)
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“…Consequently, larval survival could be impacted due to mismatch with prey (plankton) abundance or proper size spectrum, for example due to delayed spawning time, inducing starvation or slower growth (Asch et al ., 2019; Farmer et al ., 2015; Hillebrand et al ., 2018; Tanaka et al ., 2019). Moreover, a shortened spawning season as in burbot [ Lota lota (L. 1758)] leads to a narrower temporal window for hatching (Ashton et al ., 2019). This suggests that shifts of reproductive events could potentially lead to changes in recruitment and population dynamics in temperate fishes, a phenomenon that is projected to increase in the context of climate change (Asch et al ., 2019).…”
Section: Elevated Temperature and Female Fish: From Oogenesis To Egg mentioning
confidence: 99%
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“…Consequently, larval survival could be impacted due to mismatch with prey (plankton) abundance or proper size spectrum, for example due to delayed spawning time, inducing starvation or slower growth (Asch et al ., 2019; Farmer et al ., 2015; Hillebrand et al ., 2018; Tanaka et al ., 2019). Moreover, a shortened spawning season as in burbot [ Lota lota (L. 1758)] leads to a narrower temporal window for hatching (Ashton et al ., 2019). This suggests that shifts of reproductive events could potentially lead to changes in recruitment and population dynamics in temperate fishes, a phenomenon that is projected to increase in the context of climate change (Asch et al ., 2019).…”
Section: Elevated Temperature and Female Fish: From Oogenesis To Egg mentioning
confidence: 99%
“…Nonetheless, in unfavourable environments, oogonial mitotic division can be stimulated, potentially inducing an increase of fecundity ( e.g ., Prochilodus argenteus Spix & Agassiz 1829) (Thomé et al ., 2012). Thereby, relative fecundity at spawning (egg/g body weight) and potential fecundity do not seem to be affected by thermal breeder exposure [ e.g ., Sea trout ( S. trutta L.), A. lupus , P. flavescens and L. lota ] (Ashton et al ., 2019; Farmer et al ., 2015; Feiner et al ., 2016; Lahnsteiner & Leitner, 2013; Tveiten et al ., 2001; Tveiten & Johnsen, 1999). However, in S. salar , O. bonariensis and river lamprey [ Lampetra fluviatilis (L. 1758)], evidence of depression of relative fecundity has been found (Anderson et al ., 2017a; Cejko et al ., 2016; Elisio et al ., 2012; Pankhurst et al ., 2011).…”
Section: Elevated Temperature and Female Fish: From Oogenesis To Egg mentioning
confidence: 99%
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