Diet dynamics of the juvenile piscivorous fish community in Spirit Lake, Iowa, USA, 1997–1998

Pelham, Mark E.; Pierce, Clay L.; Larscheid, Joe G.

doi:10.1034/j.1600-0633.2001.100402.x

Cited by 27 publications

(34 citation statements)

References 27 publications

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“…Population dynamics.-We used data from Pelham (2000) and Pelham et al (2001) to determine within-lake distributions of the six piscivorous species in Spirit Lake, which in turn determined our approach for estimating population sizes from beach seining. Pelham (2000) sampled the offshore zone at night from May to September 1998 using a semiballoon otter trawl (Hayes et al 1996) with a 7.9-m headrope, a 38-mm-mesh body, and a 6-mm-mesh cod end.…”

Section: Discussionmentioning

confidence: 99%

“…Pelham (2000) sampled the offshore zone at night from May to September 1998 using a semiballoon otter trawl (Hayes et al 1996) with a 7.9-m headrope, a 38-mm-mesh body, and a 6-mm-mesh cod end. Trawling was done during the same weeks as littoral zone beach seining (Pierce et al 2001b), allowing a direct comparison of relative densities in the littoral zone versus offshore.…”

Section: Discussionmentioning

confidence: 99%

“…We focused on consumption by fish 150 mm or more in total length; consumption by fish less than 150 mm in Spirit Lake is reported by Pelham (2000). Fish were measured (total length) to the nearest 2.5 mm and weighed (wet weight) to the 892 LIAO ET AL.…”

Section: Data Collectionmentioning

confidence: 99%

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Consumption Dynamics of the Adult Piscivorous Fish Community in Spirit Lake, Iowa

Liao¹,

Pierce²,

Larscheid³

2004

N American J Fish Manag

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At Spirit Lake, one of Iowa's most important fisheries, walleye Sander vitreus (formerly Stizostedion vitreum) is one of the most popular species with anglers. Despite a century of walleye stocking and management in Spirit Lake, walleye growth rate, size structure, and angler harvest continue to decline. Our purpose was to determine the magnitude and dynamics of walleye population consumption relative to those of other piscivorous species in Spirit Lake, which would allow managers to judge the feasibility of increasing the abundance, growth rate, and size structure of the walleye population.We quantified food consumption by the adult piscivorous fish community in Spirit Lake over a 3-year period. Data on population dynamics, diet, energy density, and water temperature from 1995 to 1997 were used in bioenergetics models to estimate total consumption by walleye, yellow perch Perca flavescens, smallmouth bass Micropterus dolomieu, largemouth bass Micropterus salmoides, black crappie Pomoxis nigromaculatus, and northern pike Esox lucius. Estimated annual consumption by the piscivorous community varied roughly fourfold, ranging from 154,752 kg in 1995 to 662,776 kg in 1997. Walleyes dominated total consumption, accounting for 68, 73, and 90% (1995-1997, respectively) of total food consumption. Walleyes were also the dominant consumers of fish, accounting for 76, 86, and 97% of piscivorous consumption; yellow perch followed, accounting for 16% of piscivorous consumption in 1995 and 12% in 1996. Yellow perch were the predominant fish prey species in all 3 years, accounting for 68, 52, and 36% of the total prey consumed. Natural reproduction is weak, so high walleye densities are maintained by intensive stocking. Walleye stocking drives piscivorous consumption in Spirit Lake, and yearly variation in the cannibalism of stocked walleye fry may be an important determinant of walleye year-class strength and angler success. Reducing walleye stocking intensity, varying stocking intensity from year to year, and attempting to match stocking intensity with the abundance of prey species other than walleye may improve the walleye fishery in Spirit Lake. RightsWorks produced by employees of the U.S. Government as part of their official duties are not copyrighted within the U.S. The content of this document is not copyrighted. Abstract.-At Spirit Lake, one of Iowa's most important fisheries, walleye Sander vitreus (formerly Stizostedion vitreum) is one of the most popular species with anglers. Despite a century of walleye stocking and management in Spirit Lake, walleye growth rate, size structure, and angler harvest continue to decline. Our purpose was to determine the magnitude and dynamics of walleye population consumption relative to those of other piscivorous species in Spirit Lake, which would allow managers to judge the feasibility of increasing the abundance, growth rate, and size structure of the walleye population. We quantified food consumption by the adult piscivorous fish community in Spirit Lake over a 3-year...

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Consumption Dynamics of the Adult Piscivorous Fish Community in Spirit Lake, Iowa

Liao¹,

Pierce²,

Larscheid³

2004

N American J Fish Manag

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“…Cannibalism was observed in North Twin Lake among medium-and large-sized bass during August and September of 2004. Greater crawfish PBW weights (Morin andDumont 1994, Pelham et al 2001), and zooplankton dry weights were assumed to be 7% that of wet weights (Pelham et al 2001, Lawrence et al 1987. Wet weights were estimated for macroinvertebrates and zooplankton from length-weight regressions developed by Smock (1980) and Dumont et al (1975).…”

Section: Methodsmentioning

confidence: 99%

“…A value of 0 is least important and a value of 100 is most important. These data were then used to evaluate temporal consumption variability and ontogenetic differences (Berthou 2002, Pelham et al 2001.…”

Section: Methodsmentioning

confidence: 99%

Differential Prey Selectivity of Largemouth Bass Functional Feeding Groups in Twin Lakes, Washington

Christensen

Moore

2007

Lake and Reservoir Management

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Centrarchid Identification and Natural History

Warren

2009

Centrarchid Fishes

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The family Ccntrarchidae (Order: Perciformes) is one of the most diverse, widespread, and conspicuous fish families native to freshwater habitats of North America. Aniong endemic fish families of North America, only the North American catfish family (lctaluridae) has more species. The family name, Centrarchidae. refers to the anal fin spines of species in the family, and the common name. sunfishes, to the bright breeding colors displayed by males of some species in the family. Because of their diversity, wide distribution, and economic value, some of the earliest taxonomic descriptions and natural history observations on North American freshwater fishes focused on the centrarchids (e.g., Linnaeus 1758; Lacépède 1801; Rafinesque 1820; Abbott 1870).The family contains 34 extant species classified in eight genera, but morphological and genetic evidence suggests that additional, but currently unrecognized, diversity exists within most of the genera. The most diverse genus. Lepomis. the bream (or panfish) of anglers, is comprised of 13 extant species, but at least 8 of these show evidence of polytypy (e.g.. Bermingham and Avise 1986; Fox 1997;Harris 2005). The genus Micropterus, referred to collectively as black basses (Philipp and Ridgway 2002), contains eight extant species. but again, at least three species are polytypic (e.g., Stark and Echelle 1998;Kassler 2002;Miller 2005). The genera Anthloplites (rock basses). Enoeacaothus (banded sunfishes). and Poo,o.vis (crappies) contain four, three, and two extant species, respectively, and at least one species each of Ambloplites and Enneacaothus is polytypic (Koppelman 2000; T. Darden, South Carolina Department of Natural Resources, personal communication). The genera Acantha echos, Archoplites. and Centrorchos are monotypic. but populations of both Acantliarchus poniotis and Archoplites lolerruptus show geographical patterns of morphological divergence (Cashner ci (il. 1989;Moyle 2002).The natural range of extant centrarchids is confined primarily to warm, freshwater habitats in North America east of the western continental divide except for the Sacramento perch (A. interrupius). whose native range is west of the divide in the Central Valley of California (San Joaquin-Sacramento. Pajaro. Salinas river drainages. Moyle 2002). The northern natural continental limit of the family is occupied by members of Leponiis. Ainhiopliles, Poinoxis, and Microptertis in the St. Lawrence River. northern Great Lakes. and southwestern Hudson Bay drainages in eastern Canada (Scott and Ciossman 1973). The Rio Conchos (Rio Grande drainage) (Lepomis) and Rio Soto la Marina (Micmpterus. Miller and Smith 1986;Miller 2005) of northern Mexico delimit the southern continental limits of the native range of extant centrarchids. The Mississippi River Basin and, to a lesser extent, the Gulf and Atlantic Slope drainages harbor the most diverse assemblages of native centrarchids (Warren ci (il. 2000). The native ranges of Po,noxis and Lepomis largely coincide with that of Micropierus, but both exte...

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Diet dynamics of the juvenile piscivorous fish community in Spirit Lake, Iowa, USA, 1997–1998

Cited by 27 publications

References 27 publications

Consumption Dynamics of the Adult Piscivorous Fish Community in Spirit Lake, Iowa

Consumption Dynamics of the Adult Piscivorous Fish Community in Spirit Lake, Iowa

Differential Prey Selectivity of Largemouth Bass Functional Feeding Groups in Twin Lakes, Washington

Centrarchid Identification and Natural History

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