Browsing Aquatic Ecology Laboratory Publications by Title
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Management Issues and Their Relative Priority within State Fisheries Agencies
Mather, Martha E.; Parrish, Donna L.; Stein, Roy A.; Muth, Robert M. ( 1995 )For researchers and managers to work together for greatest mutual benefit, researchers must understand what issues fisheries managers consider most important. To assess management priorities, we conducted a mail survey ... -
Manipulating Shad to Enhance Sport Fisheries in North America: An Assessment
DeVries, Dennis R.; Stein, Roy A. ( 1990-05 )Manipulating forage fish populations to enhance sport fisheries is a common management practice. Here we review the literature dealing with manipulations of gizzard shad Dorosoma cepedianum and threadfin shad D. petenense ... -
Modeling sources of variation for growth and predatory demand of Lake Erie walleye (Stizostedion vitreum), 1986-1995
Kershner, Mark W.; Schael, Denise M.; Knight, Roger L.; Stein, Roy A.; Marschall, Elizabeth A. ( 1999 )Given the variable nature of the Lake Erie ecosystem, we investigated biotic and abiotic sources of variation for walleye (Stizostedion vitreum) growth, consumption, and population-wide predatory demand. We determined how ... -
Nutrient Cycling by Fish Supports Relatively More Primary Production as Lake Productivity Increases
Vanni, Michael J.; Bowling, Anna M.; Dickman, Elizabeth M.; Hale, R. Scott; Higgins, Karen A.; Horgan, Martin J.; Knoll, Lesley B.; Renwick, William H.; Stein, Roy A. ( 2006 )Animals can be important in nutrient cycling in particular ecosystems, but few studies have examined how this importance varies along environmental gradients. In this study we quantified the nutrient cycling role of an ... -
Optimal energy allocation to ovaries after spawning
Bunnell, David B.; Marschall, Elizabeth A. ( 2003 )For iteroparous organisms in which fecundity is positively related to body size, a trade-off exists between allocation of energy to gonads, thus ensuring some reproductive output, and allocation to somatic growth, thus ... -
Overwinter growth and survival of age-0 largemouth bass (Micropterus salmoides): revisiting the role of body size
Garvey, James E.; Wright, Russell A.; Stein, Roy A. ( 1998 )How large size affects overwinter growth and survival of age-O fish may vary as a function of food, predation, and energetic condition. During two winters in Ohio, we assessed how these factors affected growth and survival ... -
Overwinter Growth and Survival of Largemouth Bass: Interactions among Size, Food, Origin, and Winter Severity
Fullerton, Aimee H.; Garvey, James E.; Wright, Russell A.; Stein, Roy A. ( 2000 )Winter severity (temperature, duration, and photocycle), geographic origin, food availability, and initial body size likely influence growth, survival, and, therefore, recruitment of age-0 largemouth bass Micropterus ... -
Planktivores and Plankton Dynamics: Effects of Fish Biomass and Planktivore Type
Lazzaro, Xavier; Drenner, Ray W.; Stein, Roy A.; Smith, J. Durward ( 1992 )We quantified the effects of planktivore biomass and planktivore type in an experimental mesocosm study of factorial design in which five levels of fish biomass (0-75 g/m3) were cross-classified with two planktivore types: ... -
Potential Regulation of Age-0 Gizzard Shad by Hybrid Striped Bass in Ohio Reservoirs
Dettmers, John M.; Stein, Roy A.; Lewis, Edward M. ( 1998 )Piscivores can control prey populations in north temperate lakes, leading to increased zooplankton and reduced phytoplankton. In reservoirs with gizzard shad Dorosoma cepedianum, an omnivorous planktivore, this cascade ... -
Predation by Pellet-Reared Tiger Muskellunge on Minnows and Bluegills in Experimental Systems
Gillen, Alan L.; Stein, Roy A.; Carline, Robert F. ( 1981-03 )Studies in Wisconsin lakes have shown that stocked tiger muskellunge( F1 hybrids of female muskellunge, Esox masquinongy * male northern pike, E.lucius) reared on live food survive better than those reared entirely on dry ... -
Predation by Tiger Muskellunge on Bluegill: Effects of Predator Experience, Vegetation, and Prey Density
Tomcko, Cynthia M.; Stein, Roy A.; Carline, Robert F. ( 1984 )Many pellet-reared tiger muskellunge (F1 hybrid of female muskellunge Esox masquinongy and male northern pike E. lucius) do not survive stocking in reservoirs dominated by bluegill Lepomis macrochirus prey. Poor survival ... -
Predator-Prey Interaction between Largemouth Bass and Bluegills as Influenced by Simulated, Submersed Vegetation
Savino, Jacqueline F.; Stein, Roy A. ( 1982-05 )Data from the literature suggest that predatory success declines as habitat complexity increases. To explain this phenomenon, we studied the predator-prey interaction between largemouth bass Micropterus salmoides and ... -
Predicting Crappie Recruitment in Ohio Reservoirs with Spawning Stock Size, Larval Density, and Chlorophyll Concentrations
Bunnell, David B.; Hale, R. Scott; Vanni, Michael J.; Stein, Roy A. ( 2006 )Stock-recruit models typically use only spawning stock size as a predictor of recruitment to a fishery. In this paper, however, we used spawning stock size as well as larval density and key environmental variables to ... -
Predicting How Winter Affects Energetics of Age-0 Largemouth Bass: How Do Current Models Fare?
Wright, Russell A.; Garvey, James E.; Fullerton, Aimee H.; Stein, Roy A. ( 1999 )During the first winter of life, loss of energy reserves as a function of low feeding activity and scarce prey may contribute to high mortality of age-0 largemouth bass Micropterus salmoides. To explore how two current ... -
Predicting impact of freshwater exotic species on native biodiversity: Challenges in spatial scaling
Lodge, David M.; Stein, Roy A.; Brown, Kenneth M.; Covich, Alan P.; Bronmark, Christer; Garvey, James E.; Klosiewski, Steven P. ( 1998 )Global homogenization of biota is underway through worldwide introduction and establishment of nonindigenous (exotic) species. Freshwater ecologists should devote more attention to exotic species for two reasons. First, ... -
Prey resources before spawning influence gonadal investment of female, but not male, white crappie
Bunnell, David B.; Thomas, S. E.; Stein, Roy A. ( 2007 )In this study, an outdoor pool experiment was used to evaluate the effect of prey resources during 4 months before spawning on the gonadal investments of male and female white crappie Pomoxis annularis, a popular freshwater ... -
Prey Selection by Larval Fishes as Influenced by Available Zooplankton and Gape Limitation
DeVries, Dennis R.; Bremigan, Mary T.; Stein, Roy A. ( 1998 )Feeding success during the first weeks of life is critical to determining survival and ultimate year-class strength of fishes. To compare the relative influence of gape limitation and available zooplankton on prey size ... -
Problem-solving Research for Management: A Perspective
Parrish, Donna L.; Mather, Martha E.; Stein, Roy A. ( 1995-10 )We convened a symposium titled "Problem-solving Research for Management: Shared Responsibilities" at the 123rd annual meeting of the American Fisheries Society in Portland, Oregon. Our symposium sought to encourage ... -
Quantifying Linkages among Gizzard Shad, Zooplankton, and Phytoplankton in Reservoirs
Dettmers, John M.; Stein, Roy A. ( 1996 )Food webs in northern temperate lakes frequently exhibit tightly linked interactions between adjacent trophic levels that lead to top-down effects from piscivores to phytoplankton. To determine if these interactions occur ... -
Quantifying Responses to Hybrid Striped Bass Predation across Multiple Trophic Levels: Implications for Reservoir Biomanipulation
Dettmers, John M.; DeVries, Dennis R.; Stein, Roy A. ( 1996-07 )Top-down effects from piscivores to phytoplankton have been documented in north temperate lakes, thus permitting managers to regulate these food webs. From our review of the literature, reservoir trophic interactions ...