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Almeida, Pedro R.; Quintella, Bernardo R.; Dias, Nuno

doi:10.1023/a:1021383417816

Cited by 75 publications

(11 citation statements)

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“…Similar observations have been shown for some other lampreys species (e.g., Malmqvist 1980;Kelly and King 2001;Almeida et al 2002;Quintella et al 2004;Almeida et al 2007;Andrade et al 2007;Binder and McDonald 2008;Quintella et al 2009). A similar pattern of migration has been described for the landlocked Sea Lamprey, whose peak of migratory activity was reached about 2 hours after nightfall and generally declined until about 02:00 hours (Hardisty and Potter 1971;Almeida et al 2002). Robinson and Bayer (2005) reported that swimming activity of Pacific Lamprey (Lampetra tridentata) occurred only during the 8 to 12 hours of darkness each day.…”

Section: Discussionsupporting

confidence: 88%

“…Full sexual maturity occurs at 13 to 18°C in the Kura basin (Abdurakhmanov 1962). Many lampreys are known to spawn in waters 10-12°C (e.g., Hardisty and Potter 1971;Kelly and King 2001;Takayama 2002), 10-15°C (Close et al 2002;Almeida et al 2002;Robinson and Bayer 2005), 15-24°C (Cochran and Gripentrog 1992) and rarely in waters at 22-24°C (Hardisty and Potter 1971). The water temperature during this study for Caspian Lamprey was 11-21°C.…”

Section: Discussionmentioning

confidence: 99%

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Some reproductive characteristics of endangered Caspian Lamprey (Caspiomyzon wagneri Kessler, 1870) in the Shirud River southern Caspian Sea, Iran

Nazari

Abdoli

2010

Environ Biol Fish

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Migration and reproduction of the Caspian Lamprey, Caspiomyzon wagneri, in the Shirud River were investigated during late-March to early-May at water temperatures ranging from 11 to 21.25°C. We examined the effect of water temperature on timing of spawning migrations. There was a significant negative relationship between temperature and intensive migration of Caspian Lamprey (p<0.05). The most intensive migration of lampreys was at night (21:00-3:00 h) and when the water temperatures averaged 16°C (34.43%). The overall sex ratio (male to female) was 1.07 to 1. The individual absolute fecundity was 31 '758-51 924±5,382). The egg diameter was 0.780-1.151 (0.92±0.081) mm. The individual relative fecundity varies from 80.3 to 148.1 (107.2± 15.1) eggs per 1 mm of length and from 260.8 to 677.4 (397.6±93) eggs per 1 g of weight. The gonadosomatic index (GSI) of females was 5.83-31.44 (11.22±4.30).

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Section: Discussionsupporting

confidence: 88%

Section: Discussionmentioning

confidence: 99%

Some reproductive characteristics of endangered Caspian Lamprey (Caspiomyzon wagneri Kessler, 1870) in the Shirud River southern Caspian Sea, Iran

Nazari

Abdoli

2010

Environ Biol Fish

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“…In these and other studies, environmental effects on run timing and upstream migration rates have generally been attributed to physiological constraints. For example, high flows are energetically demanding, can create velocity barriers, and tend to reduce ground speeds of lampreys and other species (e.g., Hinch and Rand 1998;Moser et al 2002;Almeida et al 2002Almeida et al , 2005Quintella et al 2004). Similarly, cold temperatures reduce swim speeds, metabolic performance, and overall fish activity (e.g., Beamish 1974;Lee et al 2003;Binder and McDonald 2008).…”

Section: Discussionmentioning

confidence: 99%

Variability in migration timing of adult Pacific lamprey (Lampetra tridentata) in the Columbia River, U.S.A.

et al. 2009

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We examined the effects of river environment on the timing of spawning migrations by anadromous Pacific lamprey, Lampetra tridentata, in the Columbia River (U.S.A.). In a 41-year time series of adult lamprey counts, migration timing was earliest in warm, low-discharge years and latest in cold, highflow years. Threshold temperatures associated with run timing were similar throughout the dataset despite significant impoundment-related warming, suggesting that temperature-dependent migration cues have been temporally stable. Within each year, migration rates of PIT-tagged lampreys were positively correlated with temperature and negatively correlated with discharge through multiple river reaches, offering additional evidence for environmental control of upstream movement. Both visual count and PIT-tag data indicated that there may be population-based differences in migration timing within the aggregate Columbia River lamprey run. These life history and behavioral results have potentially farreaching implications for management of lamprey species.

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“…Despite the overall positive effect of discharge on upriver migratory movements, high discharge in the form of regulated releases or natural floods may also delay fish migrations when discharge reaches a certain threshold (Svendsen et al 2004). For example, when discharge exceeded 72 m 3 /s in the River Mondego, Portugal, sea lamprey's (Petromyzon marinus L.) upstream groundspeed was compromised (Almeida et al 2002). Large individual variation in the rate of upstream migratory movements was noted by almost all authors.…”

Section: Behaviourmentioning

confidence: 99%

“…Movement also enables migration between habitats used by different life-history stages. A number of studies have examined the effect of river flow on fish migrations and have found the timing to be correlated with both increases and decreases in the discharge hydrograph (e.g., Miller and Scarnecchia 2008;Almeida et al 2002).…”

Section: Introductionmentioning

confidence: 99%

Meta-analyses of the effects of river flow on fish movement and activity

Taylor

Cooke

2012

Environ. Rev.

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Estimating the timing and magnitude of fish movements relative to environmental factors can provide insight into why fishes behave as they do. To make broad-level inferences about fish movement in lotic environments, we conducted random-effects meta-analyses on the effects of river flow magnitude on (i) non-migratory movements, (ii) upstream migratory movements, (iii) downstream migratory movements, and (iv) fine-scale activity. We found a significant positive effect of river discharge on non-migratory movements ([Formula: see text] = 0.41 (mean) ± 0.07 (SE), Z = 6.06, p < 0.01, k (sample size) = 27); fishes made larger and (or) more frequent movements during periods of elevated discharge. Furthermore, non-salmonids were more affected by river flow than salmonids. River discharge also had a significant positive effect on the rate, frequency, and probability of upstream migratory movements ([Formula: see text] = 0.23 ± 0.10, Z = 2.24, p < 0.05, k = 8). However, the effect of discharge on the rate of downstream migratory movements ([Formula: see text] = –0.05 ± 0.15, Z = –0.35, p > 0.05, k = 5) and fine-scale activity ([Formula: see text] = 0.01 ± 0.11, Z = 0.08, p > 0.05, k = 5) were not significant. Heterogeneity of effect sizes was evident in all meta-analyses as well as inclusion and (or) publication bias. Collectively, our meta-analyses suggested that changes to a river’s flow regime can modulate non-migratory fish behaviour, the consequences of which need to be explored in terms of habitat use and energy budgets. However, more studies are needed to examine potential effect modifiers and improve sample sizes overall.

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Cited by 75 publications

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Some reproductive characteristics of endangered Caspian Lamprey (Caspiomyzon wagneri Kessler, 1870) in the Shirud River southern Caspian Sea, Iran

Some reproductive characteristics of endangered Caspian Lamprey (Caspiomyzon wagneri Kessler, 1870) in the Shirud River southern Caspian Sea, Iran

Variability in migration timing of adult Pacific lamprey (Lampetra tridentata) in the Columbia River, U.S.A.

Meta-analyses of the effects of river flow on fish movement and activity

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