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Timothy J Pfeiffer
Harry K. Dupree Stuttgart National Aquaculture Research Center
Agricultural Engineer

Phone: (772) 465-2400 ext. 360
Fax: (772) 466-6590
USDA-ARS-HBOI
5600 HWY US 1 NORTH
FORT PIERCE, FL, 34946

Projects
Engineering and Production Strategies for Sustainable Marine Aquaculture
Appropriated (D)
  Accession Number: 409107

Publications
Researchers evaluate low-energy recirculating system for inland production of marine finfish juveniles - (Trade Journal)
Pfeiffer, T.J., Wills, P. 2009. Researchers evaluate low-energy recirculating system for inland production of marine finfish juveniles. Global Aquaculture Advocate. March/April 2009. p.44-46.
Trials advance low-salinity culture of cobia, pompano, other species - (Abstract)
Riche, M.A., Weirich, C.R., Pfeiffer, T.J., Wills, P.S., Davis, M. 2009. Trials advance low-salinity culture of cobia, pompano, other species [abstract]. Global Aquaculture Advocate. 12(1):32-34.
Particle size distribution and removal efficiency for three types of clarifiers in a warm-water, low-salinity, recirculating aquaculture system for juvenile red drum culture - (Abstract)
Davis, M., Pfeiffer, T.J., Wills, P. 2009. Particle size distribution and removal efficiency for three types of clarifiers in a warm-water, low-salinity, recirculating aquaculture system for juvenile red drum culture [abstract]. Book of Abstracts Aquaculture America. p.84.
Processes to improve energy efficiency during pumping and aeration of recirculating water in circular tank systems - (Abstract)
Colt, J., Summerfelt, S.T., Pfeiffer, T.J., Fivelstad, S., Rust, M. 2009. Processes to improve energy efficiency during pumping and aeration of recirculating water in circular tank systems [abstract]. Book of Abstracts Aquaculture America. p.344.
Ammonia excretion and oxygen consumption rates of juvenile pompano on six experimental poultry by-product diets - (Abstract)
Bradley, S., Pfeiffer, T.J., Malone, R., Riche, M.A. 2009. Ammonia excretion and oxygen consumption rates of juvenile pompano on six experimental poultry by-product diets [abstract]. Book of Abstracts Aquaculture America. p.36.
Energy and resource consumption of land-based Atlantic salmon smolt hatcheries in the Pacific Northwest (USA) - (Abstract)
Colt, J., Summerfelt, S.T., Pfeiffer, T.J., Fivelstad, S., Rust, M. 2009. Energy and resource consumption of land-based Atlantic salmon smolt hatcheries in the Pacific Northwest (USA) [abstract]. Book of Abstracts Aquaculture America. p.68.
Greenhouse gas emissions associated with direct energy inputs for a warmwater low-salinity recirculating aquaculture systems - (Abstract)
Pfeiffer, T.J., Wills, P. 2009. Greenhouse gas emissions associated with direct energy inputs for a warmwater low-salinity recirculating aquaculture systems [abstract]. Book of Abstracts Aquaculture America. p.275.
Particle sieve analysis for solids removal efficiency for recirculating aquaculture system components - (Peer Reviewed Journal)
Pfeiffer, T.J., Osborn, A., Davis, M. 2008. Particle sieve analysis for solids removal efficiency for recirculating aquaculture system components. Aquacultural Engineering. 39:24-29.
Low-head recirculating aquaculture system for juvenile red drum production - (Abstract)
Pfeiffer, T.J., Wills, P. 2008. Low-head recirculating aquaculture system for juvenile red drum production. Proceedings of the 7th International Conference on Recirculating Aquaculture. p.137-145.
The evaluation of oxygen and carbon dioxide transfer associated with airlifts in recirculating aquaculture systems - (Abstract)
Hearn, R.A., Pfeiffer, T.J., Malone, R.F. 2008. The evaluation of oxygen and carbon dioxide transfer associated with airlifts in recirculating aquaculture systems. Proceedings of the 7th International Conference on Recirculating Aquaculture. p.129-136.
Sidewall-box airlift pump provides large flows for aeration, CO2 stripping, and water rotation in large dual-drain circular tanks - (Abstract)
Summerfelt, S.T., Pfeiffer, T.J. 2008. Sidewall-box airlift pump provides large flows for aeration, CO2 stripping, and water rotation in large dual-drain circular tanks. Proceedings of the 7th International Conference on Recirculating Aquaculture. p.374-377.
Energy and resource consumption of land-based hatchery systems for finfish - (Peer Reviewed Journal)
Colt, J., Rust, M., Summerfelt, S., Pfeiffer, T.J., Fivelstad, S. 2008. Energy and resource consumption of land-based hatchery systems for finfish. Aquaculture. 280:94-108.
Use of recirculating aquaculture systems to increase production and quality of hatchery reared juvenile red drum for marine stock enhancement - (Abstract)
Wills, P., Pfeiffer, T.J., Davis, M. 2008. Use of recirculating aquaculture systems to increase production and quality of hatchery reared juvenile red drum for marine stock enhancement [abstract]. 138th American Fisheries Society Annual Meeting, August 17-21, 2008, Ottawa, Canada. p.147.
In-tank aeration, a necessary compliment of loaded systems in an airlift recirculating aquaculture system - (Abstract)
Pfeiffer, T.J., Hearn, R.A., Christina, C.M., Malone, R.F. 2008. In-tank aeration, a necessary compliment of loaded systems in an airlift recirculating aquaculture system [abstract]. Book of Abstracts Aquaculture America 2008: Beyond Magic-Competing in World Markets.p.293.
A low energy, bio-secure, 'hybrid' recirculation system incorporating air lift pumps for water circulation, aeration, and CO2 degassing - (Abstract)
Van Toever, W., Pfeiffer, T.J. 2008. A low energy, bio-secure, 'hybrid' recirculation system incorporating air lift pumps for water circulation, aeration, and CO2 degassing [abstract]. Book of Abstracts Aquaculture America 2008: Beyond Magic-Competing in World Markets.p.405.
Gas transfer rates from airlifts used for concurrent aeration, carbon dioxide stripping, and recirculation - (Abstract)
Hearn, R.A., Pfeiffer, T.J., Johnson, B.S., Malone, R.F. 2008. Gas transfer rates from airlifts used for concurrent aeration, carbon dioxide stripping, and recirculation [abstract]. Book of Abstracts Aquaculture America 2008: Beyond Magic-Competing in World Markets.p.159.
Pumps vs. airlifts: Theoretical and practical energy implications - (Abstract)
Christina, C.M., Malone, R.F., Pfeiffer, T.J. 2008. Pumps vs. airlifts: Theoretical and practical energy implications [abstract]. Book of Abstracts Aquaculture America 2008: Beyond Magic-Competing in World Markets.p.77.
Mass transfer coefficients for carbon dioxide and oxygen for a polygeyser biofilter using airlift in an aquaculture reuse system - (Abstract)
Pfeiffer, T.J., Hearn, R.A., Chritina, C.M., Malone, R.F. 2007. Mass transfer coefficients for carbon dioxide and oxygen for a polygeyser biofilter using airlift in an aquaculture reuse system [abstract]. Caribbean and Latin American Aquaculture 2007, November 6-9, 2007, San Juan, Puerto Rico. p.84.
Overview of sustainable marine aquaculture systems engineering projects with emphasis on biofiltration - (Abstract)
Pfeiffer, T.J. 2007. Overview of sustainable marine aquaculture systems engineering projects with emphasis on biofiltration [abstract]. International Sustainable Marine Fish Culture Conference and Workshop Book of Abstracts. p. 22.
Prototype recirculating aquaculture system design for juvenile red drum production as part of the Florida Fish and Wildlife Conservation commission¿s Hatchery Network Initative - (Abstract)
Willis, P.S., Pfeiffer, T.J. 2007. Prototype recirculating aquaculture system design for juvenile red drum production as part of the Florida Fish and Wildlife Conservation commission¿s Hatchery Network Initative [abstract]. International Sustainable Marine Fish Culture Conference and Workshop Book of Abstracts. p. 26.
Flow, aeration, and carbon dioxide transfer rates for airlifts used in recirculating aquaculture systems - (Abstract)
Hearn, R.A., Pfeiffer, T.J., Malone, R.F. 2007. Flow, aeration, and carbon dioxide transfer rates for airlifts used in recirculating aquaculture systems [abstract]. International Sustainable Marine Fish Culture Conference and Workshop Book of Abstracts. p. 24.
Application of airlift technology in recirculation aquaculture systems - (Trade Journal)
Pfeiffer, T.J., Malone, R.F. 2008. Application of airlift technology in recirculation aquaculture systems. Global Aquaculture Advocate. p.66-68.
Intensive rotifer production system for Brachionus plicatilis - (Abstract)
Ludwig, G.M., Pfeiffer, T.J. 2007. Intensive rotifer production system for Brachionus plicatilis [abstract]. Caribbean and Latin American Aquaculture.p.99.
Design and performance characteristics of a low-head recirculating aquaculture tank system for low salinity finfish production - (Abstract)
Pfeiffer, T.J., Webb, J. 2007. Design and performance characteristics of a low-head recirculating aquaculture tank system for low salinity finfish production [abstract]. Book of Abstracts Aquaculture America. p. 709.
Practical design and application of airlift technology for aquaculture reuse systems - (Abstract)
Pfeiffer, T.J., Malone, R.F. 2007. Practical design and application of airlift technology for aquaculture reuse systems [abstract]. Book of Abstracts Aquaculture America. p. 710.
Engineering considerations for water circulation in crawfish ponds with paddlewheel aerators - (Peer Reviewed Journal)
Pfeiffer, T.J., Lawson, T.B., Church, G.E. 2007. Engineering considerations for water circulation in crawfish ponds with paddlewheel aerators. Aquacultural Engineering. 36(3):239-249.
Land-based hatchery systems for finfish - (Book/Chapter) - (01-Dec-06)
Small-scale system for the mass production of rotifers using algal paste - (Peer Reviewed Journal)
Pfeiffer, T.J., Ludwig, G.M. 2007. Small-scale system for the mass production of rotifers using algal paste. North American Journal of Aquaculture. 69(3):239-243.
Small scale rotifer production for larval fish culture - (Abstract)
Ludwig, G.M., Pfeiffer, T.J. 2007. Small scale rotifer production for larval fish culture [abstract]. Book of Abstracts Aquaculture America. p. 556.
Decentralization of Recirculating Marine Hatcheries Using the Airlifted Bead Filters and Moving Bead Biofilter - (Proceedings/Symposium)
Pfeiffer, T.J., Hanson, K.L., Malone, R.F. 2006. Decentralization of recirculating marine hatcheries using the airlifted bead filters and moving bead biofilter. 6th International Conference on Recirculating Aquaculture, July 21-23, 2006, Roanoke, Virginia. p. 111-120.
Practical Insight on Installation and Use of a Dual Drain / Swirl Separator System - (Trade Journal)
Webb, J., Wood, D., Smith, S., Pfeiffer, T.J. 2006. Practical insight on installation and use of a dual drain / swirl separator system. Fish Farming News. Issue 2. p.18-19.
Evaluation of a Sodium Hydroxymethane-Sulfonate Product for Reducing Total Ammonia Nitrogen in a Small-Scale Rotifer Batch Culture System - (Peer Reviewed Journal)
Riche, M.A., Pfeiffer, T.J., Garcia, J. 2006. Evaluation of a sodium hydroxymethane-sulfonate product for reducing total ammonia nitrogen in a small-scale rotifer batch culture system. North American Journal of Aquaculture. 68:199-205.
Recirculating Aquaculture System for Marine Finfish Research at Harbor Branch Oceanographic Institution - (Trade Journal)
Pfeiffer, T.J. 2005. Recirculating aquaculture system for marine finfish research at Harbor Branch Oceanographic Institution [abstract]. Hatchery International. 6(6):20-23.
Nitrification Performance of a Propeller-Washed Bead Clarifier Supporting a Fluidized Sand Biofilter in a Recirculating Warmwater Fish System - (Peer Reviewed Journal)
Pfeiffer, T.J., Malone, R. 2006. Nitrification performance of a propeller-washed bead clarifier supporting a fluidized sand biofilter in a recirculating warmwater fish system. Aquacultural Engineering. 31(1):80-92.
To Rating Fixed-Film Biofilters Used in Recirculating Aquaculture Systems - (Peer Reviewed Journal)
Pfeiffer, T.J., Malone, R. 2006. To rating fixed-film biofilters used in recirculating aquaculture systems. Journal of Aquaculture Engineering. 34(1):1-14.
Filter Performance Study Evaluates Combined Performance of Bead, Sand Filters in Ras - (Trade Journal)
Pfeiffer, T.J., Riley, K. 2005. Filter performance study evaluates combined performance of bead, sand filters in RAS. Global Aquaculture Advocate. 8:39-42.
Comparative Performance of Co2 Measuring Methods: Marine Recirculating System Applications - (Proceedings/Symposium)
Pfeiffer, T.J., Watten, B.J., Summerfelt, S.T. 2006. Comparative performance of co2 measuring methods: marine recirculating system applications. In: Proceedings of the 6th International Conference on Recirculating Aquaculture, July 21-23, 2006, Blacksburg, Virginia. p.421-426.
Design Characteristics of the Usda/ars-Hboi Sustainable Tank Aquaculture Recirculating Research (Starr) Facility for Low-Salinity Finfish Production - (Abstract)
Pfeiffer, T.J., Davis, M., Freeman, D.W. 2005. Design characteristics of the USDA/ARS-HBOI Sustainable Tank Aquaculture Recirculating Research (STARR) facility for low-salinity finfish production [abstract]. Book of Abstracts, Aquaculture America. p. 324.
Determination of the Solids Removal Efficiency for System Components in a Recirculating Aquaculture System Using Particle Sieve Analysis - (Abstract)
Pfeiffer, T.J., Osborn, A., Davis, M. 2005. Determination of the solids removal efficiency for system components in a recirculating aquaculture system using particle sieve analysis [abstract]. Book of Abstracts, Aquaculture America. p. 326.
Energy Management and Load Analysis for Aquaculture Facilities - (Abstract)
Pfeiffer, T.J. 2005. Energy management and load analysis for aquaculture facilities [abstract]. Book of Abstracts, Aquaculture America. p. 328.
Evaluation of a Small-Scale Recirculating Aquaculture System Using a Floating Bead Bioclarifier and Fluidized Bed Biological Reactor for Warm-Water Fish Culture - (Abstract)
Pfeiffer, T.J., Riley, K. 2004. Evaluation of a small-scale recirculating aquaculture system using a floating bead bioclarifier and fluidized bed biological reactor for warm-water fish culture [abstract]. Aquaculture America Conference. p. 468.
Performance Characteristics of the Floating Bead Bioclarifier in a Recirculating Aquaculture System - (Peer Reviewed Journal)
Pfeiffer, T.J., Malone, R.F. 2005. Performance characteristics of the floating bead bioclarifier in a recirculating aquaculture system. Journal of Aquaculture Engineering. p. 468.
Evaluation of Commercial Additives and Seed Media for Accelerating Nitrification in a New Submerged Biological Filter - (Abstract)
Pfeiffer, T.J., Riche, M.A. 2005. Evaluation of commercial additives and seed media for accelerating nitrification in a new submerged biological filter [abstract]. Book of Abstracts, Aquaculture America. p. 327.
Experimental Evaluation of a Floating Bead Bioclarifier and Fluidized Sand Filter for a Small-Scale Recirculating Aquaculture Production System - (Proceedings/Symposium)
Pfeiffer, T.J., Riley, K. 2004. Experimental evaluation of a floating bead bioclarifier and fluidized sand filter for a small-scale recirculating aquaculture production system. International Conference on Recirculating Aquaculture. p. 591.
System Design - Parallel Or Series Flow - (Trade Journal)
Pfeiffer, T.J. System design - parallel or series flow. Aquaculture Magazine. 2004. pp.51-52.
Evaluation of a Small-Scale Recirculating Aquaculture System Using a Floating Bead Bioclarifier and Fluidized Bed Biological Reactor for Warm-Water Fish Culture - (Abstract)
Pfeiffer, T.J., Riley, K. 2004. Evaluation of a small-scale recirculating aquaculture system using a floating bead bioclarifier and fluidized bed biological reactor for warm-water fish culture [abstract]. In: Proceeding of World Aquaculture Society. p. 468.
Effects of Water Temperature on Sock Grading of Submarketable Channel Catfish, Ictalurus Punctatus, in Earthen Ponds - (Peer Reviewed Journal)
Pfeiffer, T.J., Freeman, D.W. 2001. Effects of water temperature on sock grading of submarketable channel catfish, Ictalurus Punctatus, in earthen ponds. Journal of Applied Aquaculture. 16(1/2):60-64.
Developing Sustainable Marine Aquaculture Systems - (Abstract)
Pfeiffer, T.J. 2003. Developing sustainable marine aquaculture systems. [abstract] International Sustainable Marine Fish Culture Conference and Workshop Book of Abstracts. v.1. p.20.
Effects of Water Temperature on Sock Grading of Sub-Marketable Channel Catfish, Ictalurus Puncatus, in Earthen Ponds - (Peer Reviewed Journal)
Pfeiffer, T.J., Freeman, D.W. 2004. Effects of water temperature on sock grading of sub-marketable channel catfish, Ictalurus puncatus, in earthen ponds. Journal of Applied Aquaculture. 16(1-2):18-24.
Designing Sustainable Aquaculture Systems - (Trade Journal)
DAVIS, M., PFEIFFER, T.J., WILCOX, J., BUZYNA, G., MARCUS, N., FREEMAN, D.W. DESIGNING SUSTAINABLE AQUACULTURE SYSTEMS. FISH FARMING NEWS. 2003. p.36-36.
Effects of Temperature and Size on Ammonia Excretion by Fasted Golden Shiners (Notemigonus Crysoleucas) - (Peer Reviewed Journal)
Zhengzhong, Z., Pfeiffer, T.J., Thomforde, H., Goodwin, A. 2004. Effects of temperature and size on ammonia excretion by fasted golden shiners (Notemigonus crysoleucas). North American Journal of Aquaculture. 66:15-23.
Effects of Temperature and Size on Ammonia Excretion by Fasted Golden Shiners (Notemigonus Crysoleucas) - (Peer Reviewed Journal)
Zhang, Z., Pfeiffer, T.J., Thomforde, H., Goodwin, A. 2004. Effects of temperature and size on ammonia excretion by fasted golden shiners (Notemigonus crysoleucas). North American Journal of Aquaculture. 66(1):15-23.
Designing Sustainable Aquaculture Systems - (Trade Journal)
Davis, M., Pfeiffer, T.J., Wilcox, J., Buzyna, G., Marcus, N. 2003. Designing sustainable aquaculture systems. Fish Farming News. July/August. p. 35-36.
Design and Evaluation of Recirculating Aquaculture Systems for Marine Finfish Production at Harbor Branch Oceanographic Institution - (Abstract)
PFEIFFER, T.J., RICHE, M.A., DAVIS, M., FREEMAN, D.W. DESIGN AND EVALUATION OF RECIRCULATING AQUACULTURE SYSTEMS FOR MARINE FINFISH PRODUCTION AT HARBOR BRANCH OCEANOGRAPHIC INSTITUTION. BOOK OF ABSTRACTS WORLD AQUACULTURE SOCIETY. 2003. p.229.
Effects of Temperature and Size on Ammonia Excretion by Fasted Fingerling Golden Shiner (Notemigonus Crysoleucas) - (Abstract)
THOMFORDE, H., ZHANG, Z., GOODWIN, A., PFEIFFER, T.J. EFFECTS OF TEMPERATURE AND SIZE ON AMMONIA EXCRETION BY FASTED FINGERLING GOLDEN SHINER (NOTEMIGONUS CRYSOLEUCAS). BOOK OF ABSTRACTS WORLD AQUACULTURE SOCIETY. 2003. p.287.
Gmt Vs. Mixed-Sex Nile Tilapia Production in a Greenhouse Recirculating System - (Proceedings/Symposium)
PERSHBACHER, P., PFEIFFER, T.J., WHITE, J., JALALUDDIN, M. GMT VS. MIXED-SEX NILE TILAPIA PRODUCTION IN A GREENHOUSE RECIRCULATING SYSTEM. BOOK OF ABSTRACTS WORLD AQUACULTURE SOCIETY. 2002. p.20.
Small Scale System for the Mass Production of Rotifers Using Microalgae Paste - (Abstract)
PFEIFFER, T.J., LUDWIG, G.M. SMALL SCALE SYSTEM FOR THE MASS PRODUCTION OF ROTIFERS USING MICROALGAE PASTE.. UNIVERSITY OF ARKANSAS-PINE BLUFF AQUACULTURE FIELD DAY. 2002. p.4.
Air Scouring Effects and Control on a Floating Bead Biofilter for a Small-Scale Recirculating Aquaculture System - (Proceedings/Symposium)
PFEIFFER, T.J. AIR SCOURING EFFECTS AND CONTROL ON A FLOATING BEAD BIOFILTER FOR A SMALL-SCALE RECIRCULATING AQUACULTURE SYSTEM. SMALL-SCALE AQUACULTURE: PROCEEDINGS OF THE SPECIAL SESSION OF AQUACULTURE AMERICA.2002.P.22-23.
Gmt Vs. Mixed-Sex Nile Tilapia Production in a Greenhouse Recirculating System - (Proceedings/Symposium)
PERSCHBACHER, P., PFEIFFER, T.J., WHITE, J., JALALUDDIN, M. GMT VS. MIXED-SEX NILE TILAPIA PRODUCTION IN A GREENHOUSE RECIRCULATING SYSTEM. SMALL-SCALE AQUACULTURE:PROCEEDINGS OF THE SPECIAL SESSION OF AQUACULTURE AMERICA.2002.P.20-21.
Trial Finds Microalgae Paste Suitable for Rotifer Nutrition - (Trade Journal)
Pfeiffer, T.J., Ludwig, G.M. Trial finds microalgae paste suitable for rotifer nutrition. Global Aquaculture Advocate.2002.v.5(4).p.22-23.
Evaluation of Supplemental Solids Removal Effects on Nitrification Rates in Floating Bead Filters - (Proceedings/Symposium)
LENGER, T.A., PFEIFFER, T.J. EVALUATION OF SUPPLEMENTAL SOLIDS REMOVAL EFFECTS ON NITRIFICATION RATES IN FLOATING BEAD FILTERS. PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON RECIRCULATING AQAUACULTURE. 2002. p.418.
Trial Finds Microalgae Paste Suitable for Rotifer Nutrition - (Trade Journal)
LUDWIG, G.M., PFEIFFER, T.J. TRIAL FINDS MICROALGAE PASTE SUITABLE FOR ROTIFER NUTRITION. GLOBAL AQUACULTURE ADVOCATE. 2002. v.5 (4). p.22-23.
Genetically Male Vs. Mixed-Sex Nile Tilapia Performance Compared in Ras - (Trade Journal)
Perschbacher, P.W., Pfeiffer, T.J., White, J., Jalaluddin, M. 2002. Genetically male vs. mixed-sex nile tilapia performance compared in ras. Global Aquaculture Advocate. v.5(2).p.72-73.
Air Scouring Effects and Control on a Floating Bead Biofilter for a small-Scale Recirculating Aquaculture System - (Proceedings/Symposium)
PFEIFFER, T.J. AIR SCOURING EFFECTS AND CONTROL ON A FLOATING BEAD BIOFILTER FOR A SMALL-SCALE RECIRCULATING AQUACULTURE SYSTEM. BOOK OF ABSTRACTS WORLD AQUACULTURE SOCIETY. 2002. p.22.
Integrated System for Microalgae Nursery Seed Clam Culture - (Peer Reviewed Journal)
Pfeiffer, T.J., Rusch, K.A. 2001. Integrated system for microalgae nursery seed clam culture. Global Aquaculture Advocate.v.4(5)p.33-35.
Bead Filter Enhances Recirculating Aquaculture Systems for Tilapia Production - (Trade Journal)
Lenger, T.A., Perschbacher, P.W., Pfeiffer, T.J. Bead filter enhances recirculating aquaculture systems for tilapia production. Global Aquaculture Advocate. 2001.v.4(3).p.40-41.
Evaluation of Alternative Media for Enhancing Nitrification Rates in Propeller-Washed Microbead Filters - (Proceedings/Symposium)
Pfeiffer, T.J., Beecher, L.E., Malone, R.F. 2000. Evaluation of alternative media for enhancing nitrification rates in propeller-washed microbead filters. International Aquaculture Conference Proceedings.p.562.

   
 
Last Modified: 05/08/2009
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