Effects of reproductive timing and hatch date on fathead minnow recruitment

Divino, Jeffrey N.; Tonn, William M.

doi:10.1111/j.1600-0633.2007.00208.x

Cited by 25 publications

(10 citation statements)

References 50 publications

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“…We developed a stochastic, density-dependent, stage-structured population model that tracks eggs and larvae daily, juveniles weekly, and adults annually for 120 years. The model was parametrized using life-history values extracted from well-studied, wild populations in Alberta, Canada [49][50][51][52], and modified to include our exposure-associated empirical estimates of larval mortality. Each model year spans 365 days and begins with size-independent spawning on July 25 (the median spawn date reported in [51]).…”

Section: Population Projection Modellingmentioning

confidence: 99%

“…The model was parametrized using life-history values extracted from well-studied, wild populations in Alberta, Canada [49][50][51][52], and modified to include our exposure-associated empirical estimates of larval mortality. Each model year spans 365 days and begins with size-independent spawning on July 25 (the median spawn date reported in [51]). Each female in the model produces eggs that take approximately 7 days to hatch at a mean incubation temperature of 20.98C [51,52] (table 1).…”

Section: Population Projection Modellingmentioning

confidence: 99%

“…Each model year spans 365 days and begins with size-independent spawning on July 25 (the median spawn date reported in [51]). Each female in the model produces eggs that take approximately 7 days to hatch at a mean incubation temperature of 20.98C [51,52] (table 1). Hatched eggs enter the larval stage and larvae become juveniles after approximately 30 days [51].…”

Section: Population Projection Modellingmentioning

confidence: 99%

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Environmental oestrogens cause predation-induced population decline in a freshwater fish

et al. 2018

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Understanding population-level effects of environmental stressors on aquatic biota requires knowledge of the direct adverse effects of pollutants on individuals and species interactions that relate to survival and reproduction. Here, we connect behavioural assays with survival trials and a modelling approach to quantify changes in antipredator escape performance of a larval freshwater fish following exposure to an environmental oestrogen, and predict changes in population abundance. We quantified the effects of short-term (21 days) exposure to 17β-oestradiol (E2) on the antipredator escape performance of larval fathead minnows (Pimephales promelas) and the probability of predation by a natural predator, the bluegill sunfish (Lepomis macrochirus). Compared with unexposed minnows, minnows exposed to environmentally relevant concentrations of E2 that approach total oestrogenic activity of wastewater-dominated environments (38 and 103 ng l−1) had delayed response times and slower escape speeds, and were more susceptible to predation. Incorporating these data into a stage-structured population model demonstrated that enhanced predation mortality at the larval stage can result in population declines. These results indicate that subtle, sub-lethal shifts in the behaviour of individuals due to human-mediated environmental change can impact species interactions with measurable population-level effects. Such changes have the potential to alter higher-order trophic interactions and disrupt aquatic communities.

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Section: Population Projection Modellingmentioning

confidence: 99%

Section: Population Projection Modellingmentioning

confidence: 99%

Section: Population Projection Modellingmentioning

confidence: 99%

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Environmental oestrogens cause predation-induced population decline in a freshwater fish

et al. 2018

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“…Although the over-winter survival results are not definitive because of the lack of replication, they are consistent with several previous studies of centrarchids, which have showed that YOY hatched earlier in the spawning season make a disproportionately high contribution to the entire year-class [ 14 , 50 , 51 , 52 ]. An over-winter survival advantage for larger-bodied (early born) progeny has also been reported in a European cyprinid, the roach Rutilus rutilus [ 53 ], as well as several North American species [ 16 ], including fathead minnow Pimephales promelas [ 54 ], pumpkinseed [ 55 ], and bluegill Lepomis macrochirus [ 14 ].…”

Section: Discussionmentioning

confidence: 95%

How Will Climate Warming Affect Non-Native Pumpkinseed Lepomis gibbosus Populations in the U.K.?

2015

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Of the non-native fishes introduced to the U.K., the pumpkinseed is one of six species predicted to benefit from the forecasted climate warming conditions. To demonstrate the potential response of adults and their progeny to a water temperature increase, investigations of parental pumpkinseed acclimatization, reproduction and YOY over-wintering were carried out in outdoor experimental ponds under ambient and elevated water temperature regimes. No temperature effects were observed on either adult survivorship and growth, and none of the assessed reproductive activity variables (total spawning time, spawning season length, number of spawning bouts) appeared to be responsible for the large differences observed in progeny number and biomass. However, it was demonstrated in a previous study [Zięba G. et al., 2010] that adults in the heated ponds began spawning earlier than those of the ambient ponds. Ambient ponds produced 2.8× more progeny than the heated ponds, but these progeny were significantly smaller, probably due to their late hatching date, and subsequently suffered very high mortality over the first winter. Pumpkinseed in the U.K. will clearly benefit from climate warming through earlier seasonal reproduction, resulting in larger progeny going into winter, and as a result, higher over-winter survivorship would be expected relative to that which occurs under the present climatic regime.

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“…To partition the effects of potential growth and sizeselective mortality across the winter, we employed empirical quantile-quantile (QQ) and increment plots [15,40], a combined approach that has been applied to a variety of species [41][42][43][44][45]. For the QQ plots, total length at quantiles 1, 5, 10, 25, 50, 75, 90, 95, and 99 of the size distribution was determined from the length-frequency histograms (i.e., when n > 50; [46]) for the fall and subsequent spring samples, and were plotted against each other.…”

Section: Size-selective Overwinter Mortality and Growthmentioning

confidence: 99%

Overwinter Mortality of Sympatric Juvenile Bluegill and Yellow Perch in Mid-Temperate Sandhill lakes, Nebraska, U.S.A

Jolley¹,

Kaemingk

Willis³

et al. 2013

TOFISHSJ

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Substantial mortality can occur in age-0 fish populations during their first year of life, especially in winter; this can potentially influence overall recruitment into the adult population. As such, we compared relative abundances between fall and spring catches of sympatric juvenile bluegill Lepomis macrochirus Rafinesque and yellow perch Perca flavescens (Mitchill) to evaluate the magnitude of overwinter mortality across locations (five lakes for two years) and through time (one lake for six years). In addition, we compared both quantile-quantile and increment plots, based on length-frequency histograms from fall-and spring-caught cohorts from 2004 to 2010, to determine if mortality was sizeselective while accounting for over winter growth. Bluegill relative abundances (as indexed by catch-per-unit-effort) significantly decreased from fall to spring, although size-selective mortality was not detected in 10 instances. Yellow perch relative abundances were similar from fall to spring in five Nebraska Sandhill lakes; however, size-selective mortality was detected, with size-selective over winter mortality of smaller individuals occurring in one of eight instances, whereas greater mortality in larger individuals occurred in two instances. Positive growth occurred in both species but was variable among lakes and appeared to be system-specific. In Nebraska Sandhill lakes, over winter mortality likely differs between these two species in its severity, size-selective effect, and scale (i.e., lake-specific vs. large-scale processes), and is likely influenced by combinations of these (and potentially other) factors.

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Effects of reproductive timing and hatch date on fathead minnow recruitment

Cited by 25 publications

References 50 publications

Environmental oestrogens cause predation-induced population decline in a freshwater fish

Environmental oestrogens cause predation-induced population decline in a freshwater fish

How Will Climate Warming Affect Non-Native Pumpkinseed Lepomis gibbosus Populations in the U.K.?

Overwinter Mortality of Sympatric Juvenile Bluegill and Yellow Perch in Mid-Temperate Sandhill lakes, Nebraska, U.S.A

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