Dispersal Patterns of Largemouth Bass and Smallmouth Bass Following Early‐, Mid‐, and Late‐Season Fishing Tournaments in an Eastern Ontario Lake

Lethality of low pH and Al to egg and fry stages of common shiner (Notropis cornutus), white sucker (Catostomus commersoni), walleye (Stizostedion vitreum), lake whitefish (Coregonus clupeaformis), smallmouth bass (Micropterus dolomieui), and largemouth bass (M. salmoides) was determined in a series of laboratory tests in soft (Ca = 4.0 mg/L) water. Low pH was lethal to cleavage eggs in the first 4 d of exposure, to eyed eggs in the immediate prehatch period and to fry following their transition to branchial respiration. Early life stage response to Al was determined by their sensitivity to low pH. Al prolonged survival of cleavage eggs at pH = 4.2, was detrimental to eyed eggs and fry at pH 4.4–5.4 and was most lethal within 0.3 pH units of the pH which was lethal in the absence of Al. In situ distribution of four of the six species was adequately explained by lethality of low pH alone to cleavage eggs or fry. Sensitivity to low pH and Al produced estimates of pH > 5.9 (common shiner), pH > 5.4 (lake whitefish, white sucker, walleye), and pH > 5.1 (smallmouth and largemouth bass) for survival of early life stages in acidified waters.

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THE MIRID (HEMIPTERA) FAUNA OF SOLIDAGO CANADENSIS (ASTERACEA) IN SOUTH-EASTERN ONTARIO

The Canadian Entomologist ◽

10.4039/ent108561-6 ◽

1976 ◽

Vol 108 (6) ◽

pp. 561-567 ◽

Cited By ~ 5

Author(s):

D.G. Reid ◽

C. C. Loan ◽

R. Harmsen

Keyword(s):

Relative Abundance ◽

Species Differences ◽

Lygus Lineolaris ◽

Solidago Canadensis ◽

Characteristic Sequence ◽

Late Season ◽

Group Of Seven ◽

South Eastern ◽

Eastern Ontario

AbstractForty-six species of adult Miridae were recorded from Solidago canadensis L. in south-eastern Ontario. Major resident (breeding) species were determined on the basis of the relative abundance of nymphal and adult populations recorded from six plot-years. Although the composition of the mirid fauna varies temporally, over 90% of the Miridae belong to the following group of seven species: Slaterocoris breviatus (Kngt.), S. atritibialis (Kngt.), Lygus lineolaris (Beauv.), L. vanduzeei Kngt., Plagiognathus cuneatus Kngt., P. politus Uhl., and Polymerus venaticus (Uhl.).Total nymphal abundance is seasonally bimodal, relating to species differences in overwintering stage. The Lygus species overwinter as adults, and nymphs are abundant primarily in August, The remaining five species overwinter as eggs and their nymphs are present primarily during May to mid-July. In contrast to the bimodal phenology exhibited by nymphs, adults are temporally grouped in the mid- to late season, with adults of both overwintering classes overlapping. The adults, however, follow a characteristic sequence of initial occurrence, from early to late season, of: S. atritibialis, P. venaticus, L. vanduzeei, S. breviatus, P. politus, P. cuneatus, and L. lineolaris.

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Patterns of Diet and Growth in Co-occurring Populations of Largemouth Bass and Smallmouth Bass

Transactions of the American Fisheries Society ◽

10.1577/t02-146 ◽

2003 ◽

Vol 132 (6) ◽

pp. 1207-1213 ◽

Cited By ~ 22

Author(s):

Mark H. Olson ◽

Brian P. Young

Keyword(s):

Largemouth Bass ◽

Smallmouth Bass

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Direct observations of largemouth bass and smallmouth bass in response to various brush structure designs in Ruth Resevoir, California /

10.5962/bhl.title.143346 ◽

1992 ◽

Author(s):

Gregory James Bryant

Keyword(s):

Largemouth Bass ◽

Smallmouth Bass ◽

Direct Observations

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Black Bass Diversity: Multidisciplinary Science for Conservation

Black Bass Diversity: Multidisciplinary Science for Conservation ◽

10.47886/9781934874400.ch20 ◽

2015 ◽

Keyword(s):

Reproductive Success ◽

Parental Care ◽

Largemouth Bass ◽

Selective Breeding ◽

Micropterus Salmoides ◽

Smallmouth Bass ◽

Relative Contribution ◽

In The Wild ◽

Negative Impacts

Abstract.—Long-term studies in Ontario, Canada on Largemouth Bass Micropterus salmoides and Smallmouth Bass M. dolomieu have demonstrated that angling nesting males (both catch and harvest and catch and release) can have negative impacts on the reproductive success for the captured individual. They have also demonstrated that within a population, the male bass that provide the best and longest parental care for their offspring are the most capable of having the greatest relative contribution to the year-class. Furthermore, those males are also the most aggressive toward potential brood predators and, hence, the most vulnerable to angling. Based on those relationships, we postulated that angling in general, and especially angling for nesting bass, results in selection against aggressive individuals in a population, and as a result, the angled population evolves to become less aggressive, containing males with diminished parental care attributes, an example of fisheries-induced evolution (FIE). We recognize, however, that some change towards less aggressive behaviors may also result from learning and phenotypic plasticity. Controlled, long-term selective breeding experiments over 30+ years have, however, documented the heritability of vulnerability of bass to angling and, hence, the potential for selection to act on that trait. Reproductive competition experiments further demonstrated that the highly vulnerable strain of bass produced in those selective breeding experiments indeed had greater reproductive success than the less vulnerable strain. Because angling for Largemouth Bass has been occurring for decades, we also postulated that there should be some evidence in the wild of this FIE. In fact, we did find that the level of vulnerability to angling of nesting male Largemouth Bass in lakes that have had little to no exploitation was significantly greater than that observed for nesting males in moderately and heavily angled populations.

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A Simple Fish Tag Suitable for Long-Term Marking Experiments

Journal of the Fisheries Research Board of Canada ◽

10.1139/f72-057 ◽

1972 ◽

Vol 29 (3) ◽

pp. 339-341 ◽

Cited By ~ 11

Author(s):

W. J. White ◽

R. J. Beamish

Keyword(s):

Growth Rates ◽

Largemouth Bass ◽

Smallmouth Bass ◽

Tag Loss

A simple, inexpensive fish tag that allows for growth of the fish is described. Growth rates of smallmouth bass were not significantly affected by tagging. The rate of retention on smallmouth bass was much higher than that for a tag described by Fraser but rates of retention of the two tags on largemouth bass were not significantly different. Estimated rates of tag loss were 15% after 1 year for smallmouth bass and 17% after 3 years for largemouth bass. Observed tag losses from white suckers over 3 years were only 0.6%.Using this method, two or three persons can conveniently tag fish at a rate of approximately 30 per hour.

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