Biotic and abiotic factors that influence Walleye recruitment in stocked lakes in Michigan DOI
Justin Bopp,

Seth J. Herbst,

Travis O. Brenden

et al.

North American Journal of Fisheries Management, Journal Year: 2023, Volume and Issue: 43(6), P. 1673 - 1686

Published: Nov. 7, 2023

Abstract Objective In recent decades, widespread evidence of declining Walleye Sander vitreus recruitment in the Midwestern United States has raised concerns about diminishing ecological benefits and fishing opportunities, which turn resulted natural resource agencies using stocking to supplement populations. Success events vary; thus, evaluating external factors that influence success resulting from or production is critical for improved management. Methods We evaluated influencing relative 98 lakes stocked annually with by integrating 20 years data fisheries assessment abiotic data. indexed as abundance cohorts sources combined used boosted regression tree modeling identify variables are associated varying recruitment. Result Growing degree‐days at age 1, shoreline development index, mean depth, 2 were most important variables. The model explained 17% observed variability A positive relationship between growing was observed, whereas lake depth had a negative Secondarily predictors surface area, spring warming rate, Northern Pike Esox lucius abundance, 0. general, positively these predictors, exceptions rates >0.3°C/day being exposed >3500 Conclusion Our results indicate thermal addition characteristics drivers waters highlights potential managers use this information prioritize efforts temperate lakes.

Language: Английский

Examination of freshwater drum populations at the center of their latitudinal range: implications for development of diverse recreational angling opportunities DOI
Ben C. Neely,

Elizabeth Murdock,

Ely N. Sprenkle

et al.

Environmental Biology of Fishes, Journal Year: 2024, Volume and Issue: unknown

Published: April 3, 2024

Language: Английский

Citations

3
Do angler catch and harvest rates differ between open water and ice anglers in Wisconsin? DOI
Greg G. Sass,

Samuel T. LaMarche,

Zachary S. Feiner

et al.

Fisheries Research, Journal Year: 2023, Volume and Issue: 263, P. 106678 - 106678

Published: March 1, 2023

Language: Английский

Citations

7
Case study: Applying the resist–accept–direct framework to an Ojibwe Tribe's relationship with the natural world DOI Creative Commons
Aaron D. Shultz,

Mark A. Luehring,

Adam Ray

et al.

Fisheries Management and Ecology, Journal Year: 2022, Volume and Issue: 29(4), P. 392 - 408

Published: May 27, 2022

Abstract Ojibwe Tribes' approach to the natural world is guided by original treaties between beings (species and spirits) people who reside in lands now known as United States Canada. Relationships with these beings, such ogaa (walleye Sander vitreus ), are best characterised taking care of a relative/gift for next seven generations Ojibwe. Initial denial treaty rights state government has strongly influenced tribes' relationship their relatives over 100 years. Ogaa stocks reproduction have declined Minocqua Chain Lakes (Wisconsin, USA) last 20 Region‐wide declines been attributed many stressors overharvest state‐licensed anglers, invasive species climate change. Here, we retroactively applied resist–accept–direct (RAD) framework process used create an interjurisdictional rehabilitation plan Lakes. Specifically, cover following: progress date on plan; subsistence, cultural spiritual challenges associated resisting ecosystem change; unforeseen obstacles rehabilitation; re‐evaluation ogaa; unknowns; contingency plans from tribal perspective. Lastly, discuss how RAD could become more useful tribes region.

Language: Английский

Citations

12
Diminishing productivity and hyperstable harvest in northern Wisconsin walleye fisheries DOI
Joseph T. Mrnak, Holly S. Embke,

Martin Wilkinson

et al.

Canadian Journal of Fisheries and Aquatic Sciences, Journal Year: 2024, Volume and Issue: 81(12), P. 1650 - 1665

Published: Aug. 1, 2024

Managing fisheries in a changing socio-ecological environment may require holistic approaches for identifying and adapting to novel ecosystem dynamics. Using 32 years of Ceded Territory Wisconsin (CTWI) walleye ( Sander vitreus) data, we estimated production P), biomass B), turnover P/B), yield Y), over Y/P) tested hyperstability yield. Most CTWI populations showed low P B, Y/P < 1 . Yet, overharvest > 1) was prevalent among recruitment-based management (natural recruitment (NR), sustained only by stocking, combination). Production, P/B have declined NR populations, while Y remained constant. Walleye hyperstable along gradient all fishery types (i.e., angling only, angling/tribal harvest combined). Diminishing productivity be jointly contributing observed declines. We classified lakes into groups low, moderate, or high vulnerability based on dynamics identify that benefit from declines maintain increase the adaptive capacity walleye.

Language: Английский

Citations

2
For the love of suckers: scientific benefits of engaging volunteers to monitor migrations and advocate for native non-game fishes DOI
Karen J. Murchie,

Evan S. Childress,

Peter B. McIntyre

et al.

Environmental Biology of Fishes, Journal Year: 2024, Volume and Issue: unknown

Published: Oct. 29, 2024

Language: Английский

Citations

2
Connecting habitat to species abundance: the role of light and temperature on the abundance of walleye in lakes DOI Creative Commons
Shad Mahlum, Kelsey Vitense, Hayley Corson-Dosch

et al.

Canadian Journal of Fisheries and Aquatic Sciences, Journal Year: 2023, Volume and Issue: 80(2), P. 273 - 286

Published: Jan. 10, 2023

Walleye ( Sander vitreus) are an ecologically important species managed for recreational, tribal, and commercial harvest. prefer cool water low light conditions, therefore changing temperature clarity potentially impacts walleye habitat populations across the landscape. Using survey data collected from 1993 to 2018 312 lakes in Minnesota, we evaluated relationship between thermal-optical relative abundance of small (0–300 mm), medium (300–450 large (450 + mm) walleye. Thermal-optical was positively correlated with but not were more abundant larger, naturally reproducing opposed smaller, stocked lakes. changed 59% since 1980 (26% increasing 33% decreasing) appears be driven primarily by changes thus optical area. Our study provides insights into local regional drivers that influence can used assist fisheries managers setting population goals managing

Language: Английский

Citations

6
Shifting climate conditions affect recruitment in Midwestern stream trout, but depend on seasonal and spatial context DOI Creative Commons
Bryan M. Maitland, Alexander W. Latzka

Ecosphere, Journal Year: 2022, Volume and Issue: 13(12)

Published: Dec. 1, 2022

Abstract Climate change is a complex threat to freshwater ecosystems. Effects on aquatic species will likely differ among populations depending seasonal and spatial context, which makes detailed understanding of population responses shifting climate conditions key guiding strategic decision‐making. However, few empirical studies have tested for such context dependency distinct across seasons or at large scales. We used 26 years standardized survey data recreationally economically important brook trout ( Salvelinus fontinalis ) brown Salmo trutta in Wisconsin, USA assess short‐ long‐term variability trends, quantify the influence (air temperatures precipitation) annual recruitment strength (as indexed by young‐of‐year [YOY] relative abundance summer). Some short‐term fluctuations were spatially consistent state, indicative broadscale environmental forcing. Over longer term, average YOY age 1 older has declined since 2006, especially YOY, while substantially increased. The effects varied species, season, latitude. Increasing maximum summer associated with lower recruitment, but higher recruitment. effect both was stronger latitudes. Spring positively related latitudes; mid‐latitude northern streams, they increasing up about standard deviation, above declined. High low winter spring precipitation precipitous declines species. By contrast, streams southern trout. Our results demonstrate that shifts can affect similar differently temporal (seasonal) (warm, regions compared cool, regions) context. Given trends Wisconsin projections Midwestern United States, location‐ species‐specific management actions are needed account this dependency. Management should aim maximize resiliency extreme buffering negative influences

Language: Английский

Citations

9
Diet Patterns and Niche Overlap of Muskellunge and Co‐Occurring Piscivores in Minnesota Lakes DOI
Kamden Glade,

Brian R. Herwig,

Tyler D. Ahrenstorff

et al.

North American Journal of Fisheries Management, Journal Year: 2023, Volume and Issue: 43(3), P. 656 - 676

Published: Feb. 6, 2023

Abstract Muskellunge Esox masquinongy , Northern Pike E. lucius Walleye Sander vitreus and Largemouth Bass Micropterus salmoides are popular sport fish that often co‐occur in aquatic systems. Although numerous studies have investigated interactions among these species, the simultaneous evaluation of diet patterns niche overlap all four species has not been conducted. Our experimental design aimed to quantify other piscivores, while lakes without were also sampled compare diets piscivores their presence or absence. Diets from 10 Minnesota collected via gastric lavage quantified using an index relative importance. individual compared seasons predator length categories, among‐species comparisons conducted by season permutational multivariate ANOVA (PERMANOVA). consumed a wide range prey, whereas consisted primarily Yellow Perch Perca flavescens centrarchids. more invertebrates, especially crayfish Faxonius spp. No exhibited seasonal shifts, but different categories for except Walleye. nonmetric multidimensional scaling ordinations indicated shared prey use, PERMANOVA results most each piscivores' across seasons. Conversely, similar regardless presence. Finally, lake‐scale habitat variables correlated with piscivore diets, abundance was diets. indicate Muskellunge, Pike, Walleye, can coexist variety lakes, populations important should be examined before management actions (e.g., stocking) implemented ensure adequate availability competition is increased detriment existing fisheries.

Language: Английский

Citations

5
Depensation in fish recruitment driven by context-dependent interactions with another predator DOI Creative Commons
Colin J. Dassow, Greg G. Sass, Stephanie L. Shaw

et al.

Fisheries Research, Journal Year: 2023, Volume and Issue: 262, P. 106675 - 106675

Published: Feb. 26, 2023

Language: Английский

Citations

5
Evaluation of survival and cost to harvestable age of stocked fall fingerling walleye (Sander vitreus) in Northern Wisconsin Lakes DOI

Brenden M. Elwer,

Justin A. VanDeHey,

Stephanie L. Shaw

et al.

Fisheries Research, Journal Year: 2023, Volume and Issue: 266, P. 106758 - 106758

Published: June 6, 2023

Language: Английский

Citations

5