Factors influencing recruitment of walleye and white bass to three distinct early ontogenetic stages

DeBoer, Jason A.; Pope, Kevin L.

doi:10.1111/eff.12229

Cited by 7 publications

(8 citation statements)

References 94 publications

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“…; Graeb et al. ; DeBoer and Pope ). Additionally, higher and more stable water levels were associated with greater reproductive success (Nelson ; Walburg ; Nelson and Walburg ; Kallemeyn ; DeBoer et al.…”

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confidence: 99%

Sauger and Walleye Year‐Class Formation in the Lower Wisconsin River, 1987–2016

Lyons

Oele

2018

N American J Fish Manag

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Sauger Sander canadense and Walleye S. vitreus support important fisheries throughout much of northern North America, but their management is complicated by highly variable reproductive success from year to year. We analyzed patterns of juvenile abundance in the lower Wisconsin River, a large, lowland river in the upper Midwestern United States, to better understand the formation of strong and weak year-classes. Annual standardized fall electrofishing catches of age-0 Saugers and age-0 Walleyes fluctuated greatly from 1987 to 2016. Few significant correlations existed between catches of age-0 fish of either species and environmental and biological variables, although strong and weak year-classes were often synchronous between Walleye and Sauger. Random forest models indicated that age-0 Sauger catches were positively related to age-0 Walleye catches and negatively related to the CV (100·SD/mean) of daily air temperatures during the growing season and catches of Largemouth Bass Micropterus salmoides. Age-0 Walleye catches were positively related to age-0 Sauger catches and negatively related to Largemouth Bass catches and the CV in daily river flows during the growing season. However, these models explained little of the variation in age-0 abundance over the 30 years of data. Excluding the 1987 Walleye year-class, catches of age-0 Saugers and age-0 Walleyes were significantly correlated with respective catches of age-1 fish 1 year later and age-2 fish 2 years later, indicating that year-class strength was largely set in the first year of life and could be indexed by standardized fall electrofishing. Because a full understanding of the causes of year-class formation remains elusive, continued annual monitoring of age-0 Sauger and age-0 Walleye abundance will benefit the management of the recreational fishery of the lower Wisconsin River.

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confidence: 99%

Sauger and Walleye Year‐Class Formation in the Lower Wisconsin River, 1987–2016

Lyons

Oele

2018

N American J Fish Manag

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“…2011). Similarly, water level had positive and negative influence across studies and life stages (e.g., DeBoer and Pope 2016; Larson et al. 2018).…”

Section: Literature Reviewmentioning

confidence: 99%

“…2016). The influence of water level also varied among studies of small inland lakes (Cohen and Radomski 1993; DeBoer and Pope 2016), but was consistently positive in the Great Lakes (Shuter et al. 2002; Chu et al.…”

Section: Literature Reviewmentioning

confidence: 99%

Synthesizing Professional Opinion and Published Science to Build a Conceptual Model of Walleye Recruitment

et al. 2023

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Understanding and predicting recruitment, longstanding goals in fisheries science and ecology, are complicated by variation in the importance of environmental drivers coupled with the dynamic nature of individual ecosystems. Developing an understanding of recruitment from well‐monitored stocks offers an opportunity to overcome these complexities. We used a systematic literature review, a survey, and a workshop attended by professionals with expertise in recruitment of Walleye Sander vitreus to identify common environmental drivers of Walleye recruitment and additional sources of variation (i.e., context dependencies) among populations. The importance of individual environmental drivers, as well as the direction of their influence, differed as a function of geographic region, lake surface area, and Walleye life stage. The literature suggested abiotic conditions (e.g., temperature) during the first year of life were influential in determining recruitment. Professional opinion noted the importance of biotic factors, with prey availability and predation risk having the most consistent relationships with recruitment. We synthesized this information to propose a conceptual model that illustrates the suite of characteristics that shape Walleye recruitment over large spatial and temporal scales. Our findings emphasize the importance of first‐year growth and system‐specific contextual factors, which can alter the relative importance of the environmental drivers of recruitment.

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“…Stocking density (Fielder 1992) and stocking locations (Wilson 2004) have also been correlated to stocking success. Stocking success and recruitment is often influenced by a myriad of abiotic factors as well within aquatic ecosystems including water temperature and water level changes (Santucci and Wahl 1993;Hoxmeier et al 2006;Hansen et al 2015;DeBoer and Pope 2016).…”

Section: Introductionmentioning

confidence: 99%

Adaptive stocking strategies of Hybrid Striped Bass in a Nebraska reservoir impacted by White Perch

Perrion

Jackson

Blank

et al. 2020

Journal of Freshwater Ecology

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Branched Oak Reservoir is the largest reservoir in eastern Nebraska and provides an important recreational fishery to large urban centers including Omaha and Lincoln. Hybrid Striped Bass Morone saxatilis Â Morone chrysops are an important component of the recreational fishery, but this population appears to have been negatively impacted following the introduction and subsequent overabundance of invasive White Perch Morone americana in the mid-1990s. This study analyzed long-term standardized sampling and stocking data from Branched Oak Reservoir to evaluate Hybrid Striped Bass stocking strategies in the presence of White Perch. The spring age-0 stocking era from 1988 to 1997 consisted largely of fry and fingerling stockings. From 1998 to 2015, stockings were adapted to advanced fall age-0s with mean ± SE TL of 146 ± 7 mm. From 2016 to 2019, advanced spring age-1 Hybrid Striped Bass defined the third stocking era with mean ± SE TL of 178 ± 13 mm. Age-1 Hybrid Striped Bass CPUE differed among stocking eras (KW ¼ 9.81, P ¼ 0.007) as mean ± SE CPUE age-1 was 2 ± 1 fish per net night during the spring age-0 era, 1 ± 1 fish per net night during the fall age-0 era, and 3 ± 1 per net night during the spring age-1 era. Hybrid Striped Bass CPUE QP was different among eras (KW ¼ 13.30, P ¼ 0.001). None of the five abiotic factors assessed exhibited significant relationships to Hybrid Striped Bass CPUE age-1, and the strongest relationship (spring temperature) only had an r 2 value of 0.046. Information obtained from this study validates the current management decision to stock spring age-1 Hybrid Striped Bass based on the present White Perch abundances, and observed recruitment of Hybrid Striped Bass.

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Factors influencing recruitment of walleye and white bass to three distinct early ontogenetic stages

Cited by 7 publications

References 94 publications

Sauger and Walleye Year‐Class Formation in the Lower Wisconsin River, 1987–2016

Sauger and Walleye Year‐Class Formation in the Lower Wisconsin River, 1987–2016

Synthesizing Professional Opinion and Published Science to Build a Conceptual Model of Walleye Recruitment

Adaptive stocking strategies of Hybrid Striped Bass in a Nebraska reservoir impacted by White Perch

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