Phillip W. Bettoli
Professor and Assistant Unit Leader

Mailing address:
PO Box 5114
Cookeville, TN 38505

Office: 205 Pennebaker Hall
Phone: 931/372-3086
E-mail: pbettoli@tntech.edu

Dr. Phil Bettoli cruising the Tennessee River

Education

Ph.D., Wildlife and Fisheries Sciences, Texas A&M, 1987.
M.S., Biology, Tennessee Tech University, 1979.
B.S., Wildlife Ecology, University of Maine, 1977.


Research Interests

Fate of salmonids stocked into reservoir tailraces
Catch-and-release mortality
Dynamics of exploited fish populations
Status and conservation of commercially-exploited paddlefish and sturgeon

Courses Taught

Fish and Wildlife Biometrics; graduate course taught in alternate years.
Reservoir Fisheries Management; graduate course taught in alternate years.

Publications Since 1990

Hutt, C.P. and P.W. Bettoli. in press. Preferences, specialization, and management attitudes of trout anglers fishing in Tennessee tailwaters. North American Journal of Fisheries Management 27: xx-xx.

Honeyfield, D.C., C.S. Vandergoot, P.W. Bettoli, J.P. Hinterkopf, and J.L. Zajicek. 2007. Thiamine and fatty acid content of walleye tissue from three southern U.S. reservoirs. Journal of Aquatic Animal Health 19:84-93.

Bettoli, P.W., G.D. Scholten, and W.C. Reeves. 2007. Protecting a commercially-exploited paddlefish stock from overfishing: Case History of the Research and Regulatory Process. Fisheries 32:390-397.

Scholten, G.D. and P.W. Bettoli. 2007. Lack of gillnet size selectivity in a commercial paddlefish fishery. Fisheries Research 83:355-359.

Goldsworthy, C. and P.W. Bettoli. 2006. Growth, body condition, reproduction, and survival of stocked Barrens topminnows Fundulus julisia (Fundulidae). American Midland Naturalist 156:331-343.

Bettoli, P.W. and G.D. Scholten. 2006. Bycatch rates and initial mortality of paddlefish in a commercial gillnet fishery. Fisheries Research 77:343-347.

Miranda, L.E. and P.W. Bettoli. 2007. Mortality. Pages 229-278 in C. Guy and M. Brown, editors. Analysis and interpretation of freshwater fisheries statistics. American Fisheries Society Special Publication.

Hoffman, K. and P.W. Bettoli. 2005. The fate of largemouth bass marked with oxytetracycline and stocked into Chickamauga Lake, Tennessee. North American Journal of Fisheries Management 25:1518-1527.

Scholten, G.D. and P.W. Bettoli. 2005. Population characteristics and assessment of overfishing for an exploited paddlefish population in the lower Tennessee River. Transactions of the American Fisheries Society 134:1285-1298.

Bettoli, P.W. 2005. The fundamental thermal niche of adult landlocked striped bass. Transactions of the American Fisheries Society 134:305-314.

Meerbeek, J.R. and P.W. Bettoli. 2005. Mass-marking rainbow trout and brown trout fingerlings with oxytetracycline. Journal of Freshwater Ecology 20:555-559.

Bettinger, J.M. and P.W. Bettoli. 2004. Seasonal movement of brown trout in the Clinch River, Tennessee. North American Journal of Fisheries Management 24:1480-1485.

Vandergoot, C.S. and P.W. Bettoli.  2003.  Relative contribution of stocked walleyes in Tennessee reservoirs.  North American Journal of Fisheries Management 23:1037-1042.

Bettinger, J.M. and P.W. Bettoli.  2002.  Fate, dispersal and persistence of recently stocked and resident rainbow trout in a Tennessee tailwater.  North American Journal of Fisheries Management 22:425-432.

Churchill, T.N., P.W. Bettoli, D.C. Peterson, W.C. Reeves, and B. Hodges.  2002.  Angler conflicts in fisheries management: a case study of the striped bass controversy at Norris Reservoir, Tennessee.  Fisheries 27:10-19.

Isermann, D.A., P.W. Bettoli, S.M. Sammons, and T.N. Churchill.  2002.  Initial poststocking mortality, oxytetracycline marking, and year-class contribution of black-nosed crappies stocked into Tennessee Reservoirs.  North American Journal of Fisheries Management 22:1399-1408.

Isermann, D.A., S.M. Sammons, and P.W. Bettoli, and T.N. Churchill.  2002.  Predictive evaluation of size restrictions as management strategies for Tennessee reservoir crappie fisheries.  North American Journal of Fisheries Management 22:1349-1357.

Sammons, S.M. and P.W. Bettoli.  2002.  Spatial and diel variation in distribution of limnetic larvae of fishes in a Tennessee reservoir.  Journal of Freshwater Ecology 17:45-53.

Sammons, S.M., P.W. Bettoli, D.A. Isermann, and T.N. Churchill.  2002.  Recruitment variation of crappies in response to hydrology of Tennessee reservoirs.  North American Journal of Fisheries Management 22:1393-1398.

Sammons, S.M., D.A. Isermann, and P.W. Bettoli.  2002.  Variation in population characteristics and gear selection between black and white crappies in Tennessee reservoirs: potential effects on management decisions.  North American Journal of Fisheries Management 22:863-869.

Bettoli, P.W. and L.E. Miranda.  2001.  A cautionary note about estimating mean-length-at-age with subsampled data.  North American Journal of Fisheries Management 21:425-428.

Devlin, G. and P.W. Bettoli.  2001.  Seasonal fluctuation in growth and condition of trout in a southeastern tailwater.  Proceedings of the Southeastern Association of Fish and Wildlife Agencies 53(1999):100-109.

Sammons, S.M., P.W. Bettoli, and V.A. Grear.  2001.  Hatching periodicity, hatching distributions, and daily growth rates of age-0 white crappies in response to hydrology and zooplankton densities in Normandy Reservoir, Tennessee.  Transactions of the American Fisheries Society 130:442-449.

Bettoli, P.W. and L.E. Miranda.  2001.  Cautionary note about estimating mean length at age with subsampled data.  North American Nournal of Fisheries Management 21:425-428.

Bettoli, P.W., C. Vandergoot, and P. Horner.  2000.  Hooking mortality of saugers in the Tennessee River.  North American Journal of Fisheries Management 20: 833-837.

Wilde, G.R., M.I. Muoneke, P.W. Bettoli, K.L. Nelson, and B. T. Hysmith.  2000.  Bait and temperature effects on striped bass hooking mortality in freshwater.  North American Journal of Fisheries Management 20:810-815.

Sammons, S.M. and P.W. Bettoli.  2000.  Population dynamics of a reservoir sportfish community in response to hydrology.  North American Journal of Fisheries Management 20:791-800.

Isermann, D.A., P.W. Bettoli, and S.M. Sammons.  1999.  Efficacy of identifying stocked crappies in a Tennessee reservoir through oxytetracycline marking.  North American Journal of Fisheries Management 19: 1122 - 1123.

Sammons, S.M. and P.W. Bettoli.  1999.  Spatial and temporal variation in electrofishing catch rates of three species of black bass ( Micropterus spp.) from Normandy Reservoir, Tennessee.  North American Journal of Fisheries Management 19:454-461.

Sammons, S.M., L.G. Dorsey, P.W. Bettoli, and F.C. Fiss.  1999.  Effects of reservoir hydrology on reproduction by largemouth bass and spotted bass in Normandy Reservoir, Tennessee.  North American Journal of Fisheries Management 19:78-88.

Sammons, S.M., P.W. Bettoli, and F.C. Fiss.  1998.  Effect of threadfin shad density on larval production of threadfin shad and gizzard shad in a Tennessee reservoir.  Environmental Biology of Fishes 53:65-73.

Maceina, M.J. and P.W. Bettoli.  1998.  Variation in largemouth bass recruitment in four mainstem impoundments of the Tennessee River.  North American Journal of Fisheries Management 18:998-1003.

Bettoli, P.W. and R.S. Osborne.  1998.  Hooking mortality and behavior of striped bass following catch and release angling.  North American Journal of Fisheries Management 18:609-615.

Sammons, S.M. and P.W. Bettoli. 1998.  Larval sampling as a fisheries management tool: early detection of year-class strength.  North American Journal of Fisheries Management 18:137-143.

Maceina, M.J., P.W. Bettoli, S.D. Finley, and V.J. DiCenzo.  1998.  Analyses of the sauger fishery with simulated effects of a minimum size limit in the Tennessee River of Alabama.  North American Journal of Fisheries Management 18: 66-75.

Pegg, M.A., P.W. Bettoli, and J.B. Layzer.  1997.  Movements of saugers in the lower Tennessee River determined by radio-telemetry, and implications for management.  North American Journal of Fisheries Management 17:763-768.

Fiss, F.C., S.M. Sammons, P.W. Bettoli, and N. Billington.  1997.  Reproduction among saugeyes (Fx hybrids) and walleyes in Normandy Reservoir, Tennessee.  North American Journal of Fisheries Management 17:215-219.

Bettoli, P.W. and M.J. Maceina.  1996.  Sampling with Toxicants.  Pages 303-333 in B.R. Murphy and D. Willis, editors.  Fisheries Techniques.  American Fisheries Society, Bethesda, MD.

Pegg, M.A., J.B. Layzer, and P.W. Bettoli.  1996.  Angler exploitation of anchor-tagged saugers in the Lower Tennessee River.  North American Journal of Fisheries Management 16:218-222.

McCoid, M.J. and P.W. Bettoli.  1996.  Additional evidence for rotenone hazards to turtles and amphibians.  Herpetological Review 27:50.

Van Den Avyle, M.J., G. Ploskey, and P.W. Bettoli.  1995.  Evaluation of gill-net sampling for estimating abundance and size structure of reservoir shad populations.  North American Journal of Fisheries Management 15:898-917.

DiCenzo, V.J. and P.W. Bettoli.  1995.  Verification of daily ring deposition in the otoliths of young-of-year spotted bass.  Transactions of the American Fisheries Society 124:633-636.

Osborne, R. and P.W. Bettoli.  1995.  A reusable ultrasonic tag and float assembly for use with large pelagic fish.  North American Journal of Fisheries Management 15:512-514.

Irwin, E.R. and P.W. Bettoli.  1995.  Introduced clupeids in a southern reservoir: more evidence of system-specific reproductive strategies.  Environmental Biology of Fishes 42:151-159.

Maceina, M.J., P. W. Bettoli, and D.R. DeVries.  1994.  Use of a split-plot analysis of variance design for repeated-measures fishery data.  Fisheries 19:14-20.

Bettoli, P.W., M.J. Maceina, R.L. Noble, and R.K. Betsill.  1993.  Response of a reservoir fish community to large-scale aquatic vegetation removal.  North American Journal of Fisheries Management 13:110-124.

Bettoli, P.W., M.J. Maceina, R.L. Noble, and R.K. Betsill.  1992.  Piscivory in largemouth bass as a function of aquatic vegetation abundance.  North American Journal of Fisheries Management 12:509-516.

Bettoli, P. W. and P. W. Clark.  1992.  Behavior of sunfish exposed to herbicides: a field study. Environmental Toxicology and Chemistry 11:1461-1467.

Campbell, G. J. and P. W. Bettoli.  1992.  Behavioral reactions of Kentucky Lake, Tennessee, fishes exposed to unbleached kraft mill effluent.  Bulletin of Environmental Contamination and Toxicology 49:157-164.

Maceina, M.J., M.J. Cichra, R.K. Betsill, and P.W. Bettoli.  1992.  Limnological changes in a large reservoir following vegetation removal by grass carp.  Journal of Freshwater Ecology 7:81-95.

Irwin, E.R. and P.W. Bettoli.  1991.  Use of an electronic bacteria colony counter to estimate fecundity. Progressive Fish-Culturist 55:133-134.

Bettoli, P.W., J.E. Morris, and R.L. Noble.  1991.  Shifts in the abundance of two atherinid species following aquatic vegetation removal.  Transactions of the American Fisheries Society 120:90-97.

Maceina, M.J., P.W. Bettoli, W.K. Klussmann, R.L. Noble, and R.K. Betsill.  1991.  Effect of aquatic macrophyte removal on recruitment and growth of black crappies and white crappies in Lake Conroe, Texas.  North American Journal of Fisheries Management 11:556-563.

Bettoli, P.W. and J.A. Gordon.  1990.  Aquatic macrophyte studies on Woods Reservoir, Tennessee. Journal of the Tennessee Academy of Science 65:4-8.

Bettoli, P.W., T.A. Springer, and R.L. Noble.  1990.  A deterministic model of the response of threadfin shad to aquatic vegetation control.  Journal of Freshwater Ecology 5:445-454.

Current and Recent Final Reports (PDF)

Attitudes and Motivations of Trout Anglers (PDF)

Barrens Topminnow Report (PDF)

Black Bass Tournament Final Report (PDF)

Brook Trout Final Report (PDF)

Brown Trout Reproduction and Fecundity in Tennessee Tailwaters (PDF)

Caney Fork River Habitat Enhancement (PDF)

Clinch River Creel Survey Results (PDF)

Creel Survey Final Report - Watauga River (PDF)

Creel Survey for the South Fork of the Holston River - 2002 (PDF)

Field Assessment of the Barrens Topminnow Reintroduction Program 2001-2003 (PDF)

Hiwassee River 2004 Creel Survey (PDF)

Hooking Mortality of Saugers (html)

Investigation of Trout Fishery in the Hiwassee River (PDF)

Largemouth Bass Recruitment and Stocking Efficacy (PDF)

Paddlefish Delayed Mortality (PDF)

Paddlefish Report (PDF)

Survival, Growth, Condition, and Diet of Stocked Brown Trout in Five Tennessee Tailwaters (PDF)

Tournament Mortality of Largemouth Bass in J. Percy Priest Reservoir (PDF)

Value of Tailwater Trout Fisheries (PDF)

Walleye and Alewife Ecology in Tennessee Reservoirs (PDF)

Watauga and South Fork of the Holston Creel Surveys for 2006 (PDF)


Current MS Graduate Students

Casey Bergthold; University of Missouri; An assessment of sampling gear efficiency, stocking method, and growth and condition of rainbow trout in three Tennessee reservoirs.

Michelle Casto-Yerty; Iowa State University; Pallid sturgeon movements and bycatch in the Mississippi River.

Tomas Ivasauskas; Virginia Tech; Post stocking survival and dispersal of trout in reservoirs.

Christy Kitterman; University of Kansas; Barotrauma in saugers.