Thomas M. Losordo

Works (18)

Updated: November 24th, 2025 14:25

2025 article

Evaluation of alternative stocking and harvesting models on production of black sea bass, Centropristis striata , in recirculating aquaculture systems: Potential effects of genetic selection

Hudson, K. A., Watanabe, W. O., Dumas, C. F., Alam, M. S., Losordo, T. M., & Carroll, P. M. (2025, November 4). Journal of the World Aquaculture Society.

By: K. Hudson *, W. Watanabe *, C. Dumas*, M. Alam *, T. Losordo n & P. Carroll *

topics (OpenAlex): Aquaculture Nutrition and Growth; Marine Bivalve and Aquaculture Studies; Reproductive biology and impacts on aquatic species
Source: NC State University Libraries
Added: November 22, 2025

2020 article

Evaluation of chemical polymers as coagulation aids to remove suspended solids from marine finfish recirculating aquaculture system discharge using a geotextile bag

Gibson, T. F., Watanabe, W. O., Losordo, T. M., Whitehead, R. F., & Carroll, P. M. (2020, March 6). Aquacultural Engineering.

By: T. Gibson*, W. Watanabe *, T. Losordo n, R. Whitehead * & P. Carroll *

author keywords: Recirculating aquaculture systems; Effluent management; Solid waste capture; Flocculant aid; Polyacrylamide (PAM) polymers; Geotextile bag; Geotube
topics (OpenAlex): Polymer-Based Agricultural Enhancements; Microplastics and Plastic Pollution; Geotechnical Engineering and Soil Stabilization
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
14. Life Below Water (Web of Science; OpenAlex)
Source: Web Of Science
Added: August 10, 2020

2012 article

An evaluation of solid waste capture from recirculating aquaculture systems using a geotextile bag system with a flocculant-aid

Guerdat, T. C., Losordo, T. M., DeLong, D. P., & Jones, R. D. (2012, October 10). Aquacultural Engineering.

By: T. Guerdat n, T. Losordo n, D. DeLong* & R. Jones n

author keywords: Geotextile bag; Recirculating aquaculture systems; Solids capture; Flocculant aid; Wastewater treatment
topics (OpenAlex): Constructed Wetlands for Wastewater Treatment; Microplastics and Plastic Pollution; Innovations in Aquaponics and Hydroponics Systems
TL;DR: Two separate geotextile bag systems were evaluated as a means for capturing and dewatering bio-solids in the effluent stream from recirculating aquaculture systems (RAS) using a high molecular weight cationic polyacrylamide polymer as a flocculant-aid. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
14. Life Below Water (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2010 article

Evaluating the effects of organic carbon on biological filtration performance in a large scale recirculating aquaculture system

Guerdat, T. C., Losordo, T. M., Classen, J. J., Osborne, J. A., & DeLong, D. (2010, October 26). Aquacultural Engineering, Vol. 44, pp. 10–18.

By: T. Guerdat n, T. Losordo n, J. Classen n , J. Osborne n & D. DeLong n

author keywords: Biological filtration; Organic carbon; Nitrification; Recirculating aquaculture
topics (OpenAlex): Water Quality Monitoring Technologies; Wastewater Treatment and Nitrogen Removal; Marine Bivalve and Aquaculture Studies
TL;DR: The results demonstrate the importance of controlling the concentration of biologically available organic carbon in a recirculating aquaculture system. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2009 article

An evaluation of commercially available biological filters for recirculating aquaculture systems

Guerdat, T. C., Losordo, T. M., Classen, J. J., Osborne, J. A., & DeLong, D. P. (2009, October 24). Aquacultural Engineering, Vol. 42, pp. 38–49.

By: T. Guerdat n, T. Losordo n, J. Classen n , J. Osborne n & D. DeLong n

author keywords: Biological filtration; Nitrification performance; Recirculating aquaculture systems
topics (OpenAlex): Wastewater Treatment and Nitrogen Removal; Constructed Wetlands for Wastewater Treatment; Water Quality Monitoring Technologies
TL;DR: The need for future biofilter evaluations at the commercial scale using real aquaculture waste nutrients is highlighted, with results considerably lower than results previously published at the laboratory scale using artificial waste nutrients. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2009 article

Thermal modeling of greenhouse aquaculture raceway systems

Li, S., Willits, D. H., Browdy, C. L., Timmons, M. B., & Losordo, T. M. (2009, April 24). Aquacultural Engineering.

By: S. Li n, D. Willits n, C. Browdy*, M. Timmons * & T. Losordo n

author keywords: Modeling; Greenhouse; Aquaculture; Raceway; Heating
topics (OpenAlex): Greenhouse Technology and Climate Control; Innovations in Aquaponics and Hydroponics Systems; Solar-Powered Water Purification Methods
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2007 article

Comparing denitrification rates and carbon sources in commercial scale upflow denitrification biological filters in aquaculture

Hamlin, H. J., Michaels, J. T., Beaulaton, C. M., Graham, W. F., Dutt, W., Steinbach, P., … Main, K. L. (2007, November 26). Aquacultural Engineering.

By: H. Hamlin *, J. Michaels*, C. Beaulaton*, W. Graham*, W. Dutt*, P. Steinbach, T. Losordo n, K. Schrader*, K. Main *

topics (OpenAlex): Wastewater Treatment and Nitrogen Removal; Constructed Wetlands for Wastewater Treatment; Aquatic Ecosystems and Phytoplankton Dynamics
TL;DR: Because of its very low cost compared to the other sources tested, molasses may be an attractive carbon source for denitrification if issues of ammonia production, turbidity and foaming can be resolved. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (Web of Science; OpenAlex)
Source: NC State University Libraries
Added: August 6, 2018

2007 article

Pilot Production of Hatchery-Reared Summer Flounder Paralichthys dentatus in a Marine Recirculating Aquaculture System: The Effects of Ration Level on Growth, Feed Conversion, and Survival

Carroll, P. M., Watanabe, W. O., & Losordo, T. M. (2007, April 3). Journal of the World Aquaculture Society.

By: P. Carroll *, W. Watanabe * & T. Losordo n

topics (OpenAlex): Aquaculture Nutrition and Growth; Reproductive biology and impacts on aquatic species; Aquaculture disease management and microbiota
TL;DR: It is demonstrated that under commercial scale conditions, summer flounder can be successfully grown to a marketable size in a recirculating aquaculture system and recommended that a farmer feed at a satiation rate to minimize growout time. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
14. Life Below Water (OpenAlex)
Source: NC State University Libraries
Added: August 6, 2018

2007 article

Wood chips and wheat straw as alternative biofilter media for denitrification reactors treating aquaculture and other wastewaters with high nitrate concentrations

Saliling, W. J. B., Westerman, P. W., & Losordo, T. M. (2007, July 5). Aquacultural Engineering.

By: W. Saliling*, P. Westerman n & T. Losordo n

author keywords: wheat straw; wood chips; denitrification; aquaculture; media degradation; biofilter
topics (OpenAlex): Wastewater Treatment and Nitrogen Removal; Constructed Wetlands for Wastewater Treatment; Membrane Separation Technologies
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (Web of Science; OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2006 journal article

A comparison of alternative designs and technologies in recirculating aquaculture

Aquaculture Canada 2004 : ?b Proceedings of Contributed Papers, Canadian Freshwater Aquaculture Symposium, Que?Bec City, Que?Bec, October 17-24, 2004.

By: D. DeLong & T. Losordo

Ed(s): D. E?. Gilbert & M. Struthers

Source: NC State University Libraries
Added: August 6, 2018

2003 article

Growth and Feed Utilization of Captive Wild Black Sea Bass Centropristis striata at Four Different Densities in a Recirculating Tank System

Copeland, K. A., Watanabe, W. O., Carroll, P. M., Wheatley, K. S., & Losordo, T. M. (2003, September 1). Journal of the World Aquaculture Society.

By: K. Copeland*, W. Watanabe *, P. Carroll *, K. Wheatley* & T. Losordo n

topics (OpenAlex): Aquaculture Nutrition and Growth; Reproductive biology and impacts on aquatic species; Fish Ecology and Management Studies
TL;DR: The results suggest that black sea bass are tolerant of crowding and moderate variations in water quality during intensive culture in recirculating tank systems and that higher stocking densities are possible. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
14. Life Below Water (Web of Science; OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2002 article

Tilapia Production Systems in the Americas: Technological Advances, Trends, and Challenges

Watanabe, W. O., Losordo, T. M., Fitzsimmons, K., & Hanley, F. (2002, July 1). Reviews in Fisheries Science.

By: W. Watanabe *, T. Losordo n, K. Fitzsimmons * & F. Hanley*

author keywords: reservoir ranching; ponds; cages; raceways; tanks; recirculating systems
topics (OpenAlex): Aquaculture Nutrition and Growth; Fish biology, ecology, and behavior; Aquaculture disease management and microbiota
TL;DR: Representatives of various systems of tilapia culture are compared with respect to technological approaches and constraints to improve production efficiency, fillet yields, and environmental tolerance. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
14. Life Below Water (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2000 article

The design and operational characteristics of the CP&L/EPRI fish barn: a demonstration of recirculating aquaculture technology

Losordo, T. M., Hobbs, A. O., & DeLong, D. P. (2000, May 1). Aquacultural Engineering.

By: T. Losordo n, A. Hobbs n & D. DeLong n

author keywords: recirculating system; biological filter media; copper-cadmium reduction
topics (OpenAlex): Water-Energy-Food Nexus Studies; Water Quality Monitoring Technologies; Wastewater Treatment and Reuse
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
14. Life Below Water (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2000 article

Using computer spreadsheets for water flow and biofilter sizing in recirculating aquaculture production systems

Losordo, T. M., & Hobbs, A. O. (2000, September 1). Aquacultural Engineering.

By: T. Losordo n & A. Hobbs*

author keywords: recirculating system; spreadsheet model; systems design
topics (OpenAlex): Water Quality Monitoring Technologies
TL;DR: A spreadsheet based on a set of mass balance equations developed and described by Losordo and Westers to estimate the carrying capacity and required flow rates of recirculating aquaculture production systems is described. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
14. Life Below Water (Web of Science)
Source: Web Of Science
Added: August 6, 2018

1999 article

Safety and efficacy of the Environmental Products Group Masterflow Aquarium Management System with Aegis Microbe Shield™

Lewbart, G. A., Stoskopf, M. K., Losordo, T., Geyer, J., Owen, J., Smith, D. W., … Altier, C. (1999, January 1). Aquacultural Engineering, Vol. 19, pp. 93–98.

By: G. Lewbart n , M. Stoskopf n, T. Losordo n, J. Geyer n, J. Owen  n, D. Smith n, M. Law n, C. Altier n

author keywords: Environmental Products Group; Masterflow Aquarium Management System; Aegis Microbe Shield
topics (OpenAlex): Aquaculture disease management and microbiota; Water Quality Monitoring Technologies; Fish Ecology and Management Studies
TL;DR: The EPG filter proved to be clinically and histopathologically safe and reduced to some degree the number of A. salmonicida suspended in water in an in vitro study. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

1997 article

Water treatment and waste characterization evaluation of an intensive recirculating fish production system

Twarowska, J. G., Westerman, P. W., & Losordo, T. M. (1997, May 1). Aquacultural Engineering.

By: J. Twarowska n, P. Westerman n & T. Losordo n

topics (OpenAlex): Water Quality Monitoring Technologies; Aquaculture Nutrition and Growth; Innovations in Aquaponics and Hydroponics Systems
TL;DR: A combination of two different technologies used for fish production was evaluated at the North Carolina State University (NCSU) Fish Barn facility, and six efficiency tests showed variability in concentrations and TAN removal rates by the biofilter. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
14. Life Below Water (Web of Science)
Source: NC State University Libraries
Added: August 6, 2018

1994 article

An Analysis of Biological, Economic, and Engineering Factors Affecting the Cost of Fish Production in Recirculating Aquaculture Systems

Losordo, T. M., & Westerman, P. W. (1994, June 1). Journal of the World Aquaculture Society.

By: T. Losordo n & P. Westerman n

topics (OpenAlex): Aquaculture Nutrition and Growth; Water Quality Monitoring Technologies
TL;DR: The results of a model sensitivity analysis indicate that while improvements in the performance efficiency of system components did not greatly affect fish production costs, reductions in feed costs and improved in the feed conversion ratio caused the greatest reduction of production cost of all of the operational variables investigated. (via Semantic Scholar)
Source: NC State University Libraries
Added: August 6, 2018

1989 journal article

The preliminary results of a feasibility study of fish production in recirculating aquaculture systems

Paper (American Society of Agricultural Engineers), (89-7557), 18.

By: T. Losordo, J. Easley & P. Westerman

Source: NC State University Libraries
Added: August 6, 2018

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