Predator–prey dynamics mediate long-term production trends of cisco (<i>Coregonus artedi</i>) in a northern Wisconsin lake

Parks, Timothy P.; Rypel, Andrew L.

doi:10.1139/cjfas-2017-0302

Cited by 22 publications

(31 citation statements)

References 54 publications

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“…All rights reserved. (Hansen et al, 2017), to climate and trophic interactions (Parks & Rypel, 2018), and to disturbance and vegetation change (Dodds et al, 2012). Initial studies indicate that eDNA can be used in conjunction with long-term monitoring of fish populations in lakes (Klobucar et al, 2017).…”

Section: Accepted Articlementioning

confidence: 99%

Synergies Among Environmental Science Research and Monitoring Networks: A Research Agenda

et al. 2021

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Many research and monitoring networks in recent decades have provided publicly available data documenting environmental and ecological change, but little is known about the status of efforts to synthesize this information across networks. We convened a working group to assess ongoing and potential cross-network synthesis research and outline opportunities and challenges for the future, focusing on the US-based research network (the US Long-Term Ecological Research network, LTER) and monitoring network (the National Ecological Observatory Network, NEON). LTER-NEON crossnetwork research synergies arise from the potentials for LTER measurements, experiments, models, and observational studies to provide context and mechanisms for interpreting NEON data, and for NEON measurements to provide standardization and broad scale coverage that complement LTER studies. Initial cross-network syntheses at co-located sites in the LTER and NEON networks are addressing six broad topics: how long-term vegetation change influences C fluxes; how detailed remotely sensed data reveal vegetation structure and function; aquatic-terrestrial connections of nutrient cycling; ecosystem response to soil biogeochemistry and microbial processes; population and species responses to environmental change; and disturbance, stability and resilience. This initial study offers exciting potentials for expanded cross-network syntheses involving multiple long-term ecosystem processes at regional or continental scales. These potential syntheses could provide a pathway for the broader scientific community, beyond LTER and NEON, to engage in cross-network science. These examples also apply to many other research and monitoring networks in the US and globally, and can guide scientists and research administrators in promoting broad-scale research that supports resource management and environmental policy. Plain Language Summary Today many research networks and monitoring networks exist in ecology and environmental science. Their complementary designs and publicly available results and data can create powerful synergies. Long-term, hypothesis-based mechanistic research can provide context and JONES ET AL.

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Section: Accepted Articlementioning

confidence: 99%

Synergies Among Environmental Science Research and Monitoring Networks: A Research Agenda

et al. 2021

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“…Two-story lakes are deep stratified lakes with sufficient oxythermal habitat to support both warmwater and coldwater fisheries (Lyons et al 2017a;Parks and Rypel 2018). In Wisconsin, "two-story lakes" receive additional protection in the form of more stringent phosphorus water quality standards.…”

Section: Special Casesmentioning

confidence: 99%

“…In Wisconsin, "two-story lakes" receive additional protection in the form of more stringent phosphorus water quality standards. Two-story lakes are deep stratified lakes with sufficient oxythermal habitat to support both warmwater and coldwater fisheries (Lyons et al 2017a;Parks and Rypel 2018). Two-story lakes were included in the tier-one cluster analysis, therefore, we combined results from that analysis with the existing two-story list to produce two terminal lake classes termed "simple-two-story," and "complex-two-story" lakes.…”

Section: Special Casesmentioning

confidence: 99%

Flexible Classification of Wisconsin Lakes for Improved Fisheries Conservation and Management

et al. 2019

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Successful fisheries management practices developed for one ecosystem can often be used in similar ecosystems. We developed a flexible lake classification framework in collaboration with ~100 fisheries biologists for improved fisheries conservation management in Wisconsin, USA. In total, 5,950 lakes were classified into 15 lake classes using a two‐tiered approach. In tier‐one, lakes were clustered into “simple” and “complex” sportfish assemblages. In tier‐two, lakes were further clustered using accumulated degree days, water clarity, and special cases. We focus on temperature and clarity because these factors often drive fisheries change over time—thus a lake's class can change over time. Lake class assignments were refined through a vetting process where fisheries biologists with expert knowledge provided feedback. Relative abundance, size‐structure, and growth rates of fishes varied significantly across classes. Biologists are encouraged to utilize class interquartile ranges in fisheries metrics to make improved fisheries assessments. We highlight hard‐won lessons from our effort including: (1) the importance of co‐developing classification frameworks alongside fisheries biologists; and (2) encouraging frameworks where lakes can shift classes and fisheries expectations over time due to factors like climate change and eutrophication.

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“…Cisco have been shown to influence lake trout ( Salvelinus namaycush , Walbaum) production (Parks & Rypel, ), and the presence/absence of cisco has had variable influences on walleye maximum growth potential (Kaufman et al, ; Noring et al, in press). Anecdotal angler reports have suggested that muskellunge population size structure and maximum size is higher in waters with cisco present.…”

Section: Introductionmentioning

confidence: 99%

“…Cisco have been shown to influence lake trout (Salvelinus namaycush, Walbaum) production (Parks & Rypel, 2018), and the presence/absence of cisco has had variable influences on walleye maximum growth potential (Kaufman et al, 2009;Noring et al, in press).…”

Section: Introductionmentioning

confidence: 99%

Influence of cisco (Coregonus artedi, Lesueur) on muskellunge (Esox masquinongy, Mitchill) mean length, population size structure, and maximum size in northern Wisconsin lakes

et al. 2020

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Population size structure and maximum size of managed sportfish populations are dictated by abiotic, biotic, ecosystem, and anthropogenic influences. In their native ranges of northern Wisconsin, muskellunge (Esox masquinongy) and cisco (Coregonus artedi) are co‐adapted cool‐ and cold‐water species where cisco presence may influence population size structure and maximum size of muskellunge. We tested whether muskellunge size structure indices (length‐frequency distributions, proportional size distribution), mean length, and mean maximum length of muskellunge differed when cisco were present or absent in Ceded Territory of Wisconsin (CTWI) lakes during 2015–2018. Cisco presence had a positive influence on size structure and mean length of individual muskellunge within populations. In contrast, cisco presence had no influence on the mean maximum length of muskellunge observed in CTWI populations suggesting that other factors may be better predictors of this metric than cisco presence. In cisco lakes, mean muskellunge length was negatively correlated with mean cisco length suggesting that gape limitation may be a factor influencing population size structure and individual growth rates. Therefore, cisco populations with primarily large individuals may be unavailable to muskellunge as forage. Our results suggest that cisco are an important forage species for some aspects of muskellunge population ecology; however, other factors may also contribute to muskellunge population size structure and maximum size outcomes. As such, conservation of remaining cisco populations in Wisconsin is critical because they influence muskellunge population ecology in lakes where the species coexist. Future research is needed to better understand the interactions of cisco, abiotic and biotic factors, and anthropogenic influences on muskellunge growth dynamics.

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Predator–prey dynamics mediate long-term production trends of cisco (Coregonus artedi) in a northern Wisconsin lake

Cited by 22 publications

References 54 publications

Synergies Among Environmental Science Research and Monitoring Networks: A Research Agenda

Synergies Among Environmental Science Research and Monitoring Networks: A Research Agenda

Flexible Classification of Wisconsin Lakes for Improved Fisheries Conservation and Management

Influence of cisco (Coregonus artedi, Lesueur) on muskellunge (Esox masquinongy, Mitchill) mean length, population size structure, and maximum size in northern Wisconsin lakes

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