An early cooperative attempt was made to develop a production model employing estimates of total mortality rather than effort, Following the development of limit reference points, several methods were jointly developed to formulate an estimate of optimal harvesting using statistical approaches. Attempts were made to formulate anassessmentapproach for several marine areas such as the Mediterranean Sea.
in inverse chronological order.
Reef Fish Depend on Corals and Natural Outcrops: Are Predation and Migration Linked to the Fractal Characteristics of Habitats?
John F. Caddy, 2020. American Fisheries Society Symposium 86:117–140, 2018 © 2018 by the American Fisheries Society
An alternative for generating natural mortality rates at age using the Fibonacci series.
John F. Caddy, 2020.
Criteria for sustainable fisheries on juveniles illustrated for Mediterranean hake: control the juvenile harvest, and safeguard spawning refugia to rebuild population fecundity.
John F. Caddy. Discussion article. Featured article. Scientia Marina 79(3), September 2015, 287-299, Barcelona (Spain). ISSN-L: 0214-8358. doi: http://dx.doi.org/10.3989/scimar.04230.06A
The Advantages Offered by Mediterranean Shelf Habitats for the Conservation of Demersal Resources Using the Refugium Concept. I vantaggi offerti dagli habitat di piattaforma continentale per la conservazione delle risorse demersali in Mediterraneo attraverso il concetto di rifugio.
J.F. Caddy, Independent researcher. Biol. Mar. Mediterr. (2014), 21 (1): 192-208.
Also in Habitat and Environmental Studies and Natural Mortality Rates and Fractal Studies.
Why do assessments of demersal stocks largely ignore habitat?
Caddy, J. F. ICES Journal of Marine Science, doi:10.1093/icesjms/fss199. Accepted December 6, 2012.
Also in Habitat and Environmental Studies.
Practical issues in choosing a framework for resource assessment of Mediterranean and Black Sea fisheries
John F. Caddy. Mediterranean Marine Science, Volume 10/1, 2009, 83-119. Key Words: Stock assessment, Mediterranean fisheries, fishery indicators, resource management methods.
Also in Regional Reviews.
This is more difficult than we thought! The responsibility of scientists, managers, and stakeholders to mitigate the unsustainability of marine fisheries..3..
John F. Caddy (Centro de Investigacion de Estudios Avanzados del IPN, Unidad Merida, Apto. Postal 73, Merida 97300, Yucatan, Mexico) and Juan-Carlos Seijo (Centro Marista de Estudios Superiores, Periferico Norte Tablaje 13941 Carretera Merida-Progreso, Merida 97300, Yucatan, Mexico). The Royal Society, 2004.
Depleted Marine Resources: an Approach to Quantification Based on the FAO Capture Database.
Luca Garibaldi (Fishery Information, Data and Statistic Unit, FAO Fisheries Department) and J. F. Caddy (Consultant). FAO Fisheries Circular No. 1011. FIDI/C1011 (En). Food and Agriculture Organization of the United Nations (FAO), Rome, 2004.
Current usage of fisheries indicators and reference points, and their potential application to management of fisheries for marine invertebrates.
J.F. Caddy. PERSPECTIVE / PERSPECTIVE. Received 22 April 2003. Accepted 9 February 2004. Published on the NRC Research Press Web site at http://cjfas.nrc.ca on XX October 2004. J17502
Targets and Limits for Management of Fisheries: A Probability-Based Approach.
Michael H. Prager (Population Dynamics Team, Center for Coastal Fisheries and Habitat Research, National Oceanic and Atmospheric Administration 101 Pivers Island Road, Beaufort, North Carolina 28516 USA), Clay E. Porch (Southeast Fisheries Science Center, NOAA Fisheries 75 Virginia Beach Drive, Miami, Florida 33149 USA), Kyle W. Shertzer (Population Dynamics Team, Center for Coastal Fisheries and Habitat Research, National Oceanic and Atmospheric Administration, 101 Pivers Island Road, Beaufort, North Carolina 28516 USA), John F. Caddy (Department of Environmental Science and Technology, University of London, London, UK, Departamento de Recursos del Mar Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional Carretera Antigua a Progreso, Km 6 CP 97310, Mérida, Mexico). July 26, 2002.
Evaluating a dynamic approach to yield-mortality models.
Defeo, O., and Caddy, J. F. 2001. ICES Journal of Marine Science, 58: 1253–1260. Keywords: production models, yield-mortality models. Received 20 November 2000; accepted 6 August 2001.
Targets and Limits for Management of Fisheries: A Simple Approach.
Michael H. Prager (National Oceanic and Atmospheric Administration, Center for Coastal Fisheries and Habitat Research, 101 Pivers Island Road, Beaufort, NC 28516), Clarence E. Porch (NOAA Fisheries, Miami Laboratory, Southeast Fisheries Science Center, 75 Virginia Beach Drive, Miami, FL 33149), John F. Caddy (Ecolad Associates). November 1, 2000.
Application of a spatial model to explore rotating harvest strategies for sedentary species.
Caddy, J.F. and J.C. Seijo. (1998). Pp 359-365. In: Proc. N. Pac. Symp. on Invertebrate stock assessment and management. Eds: G.S. Jamieson and A. Campbell. Spec. Publ. Fish. Aquat. Sci. 125, pp 359-365.
An analytical modeling exploration for an exploited octopus population.
Caddy, J.F. (1997). Groupe de travail Céphalopodes, Annexe 7, Tenerife, 19-25 Mai. P 81-86.
Sustainable yield indicators from biomass: are there appropriate reference points for use in tropical fisheries?
David J. Die, John F. Caddy (Fisheries Department, FAO, Via delle Teme di Caracalla, 00100 Rome, Italy). Fisheries Research 32 (1997) 69-79. Accepted 17 March 1997
A Checklist for Fisheries Resource Management Issues Seen from the Perspective of the FAO Code of Conduct for Responsible Fisheries.
John F. Caddy. FAO Fisheries Circular No. 917 FIRM/C917. Marine Resources Service, Fishery Resources Division, FAO Fisheries Department, Food and Agriculture Organization of the United Nations. Rome, October 1996.
Also in Fisheries Management.
Availability of FAO stock assessment software and databases, and possible future directions.
Caddy, J.F. (1994). Informal paper 7 pp, presented at EC Med. Workshop 5-9 Sept 1994, Genoa, Italy.
Some future perspectives for assessment and management of Mediterranean fisheries.
J. F. Caddy, 1993. Scientia Marina, Sci. Mar., 57(2-3): 121-130. Northwestern Mediterranean Fisheries. J. Lleonart (ed.).
Comments on yield calculation presented at recent GFCM Technical Consultations on stock assessment. In: Savini, M. and Caddy J.F., (Eds), Report of the second Technical Consultation of the General Fisheries Council for the Mediterranean on stock assessment in the eastern Mediterranean, 28 March-1 April 1988, Athens, Greece. Caddy, J.F., 1989. FAO Fish. Rep., 412: 201-206.
No pdf available
A research strategy in support of stock evaluation of demersal in the Mediterranean Sea.
Caddy, J.F., 1989. FAO Fish. Rep., 412: 116-126. In: Savini, M. and Caddy J.F., (Eds.), Report of the second Technical Consultation of the General Fisheries Council for the Mediterranean on stock assessment in the eastern Mediterranean,28 March-1 April 1988, Athens, Greece.
Also in Regional Reviews and Estimation of von Bertalanffy Growth Parameters.
Trophodynamic model of the Black and Azov Sea pelagic ecosystem: consequences of the comb jelly, Mnemiopsis leydei invasion.
Berdnikov, S.V., V.V. Selyutin, V. Vasilchenko and J.F. Caddy (1999). J. Fish. Res. 42, pp 261-28.
No pdf available
Stock Assessment in data-limited situations - the experience in tropical fisheries and its possible relevance to evaluation of invertebrate resources.
Caddy, J.F. (1986). Pp 379-392. In: North Pacific workshop on stock assessment and management of invertebrates (eds: G.S: Jamieson and N. Bourne) - Can. Spec. Publ. Fish. Aquat. Sci 92.
Analysing seasonal fishery data for natural mortality rate and recruitment.
Caddy, J.F. (1984). FAO Fisheries Report No.327 - Supplement. Western Central Atlantic Fishery Commission. Fourth Session of the WWorking Party on Assessment of Marine Fishery resource. Pp 273-285.
Size frequency analysis in stock assessment - some perspectives, approaches and problems.
Caddy, J.F. (1984). 25p. In: 37th Annual Gulf and Caribbean Fisheries Institute Proceedings.
Also in Molluscan Studies.
Approximations to sustainable yield for exploited and unexploited stocks.
Caddy, J.F. and J. Csirke. (1983). Océanogr. trop. 18 (1), pp 3-15.
Use of Beverton and Holt yield tables for preliminary assessment of effects of changes in size at first capture and fishing effort in a mixed species fishery.
Caddy, J.F. (1981). Annex M, pp 141-149 In: GFCM Second Consultation on stock assessment in the Balearic and Gulf of Lions Statistical Divisions; Casablanca, 7-11 Dec 1981.
Notes on a more generalized yield per recruit analysis for crustaceans, Using size-specific inputs.
Caddy, J. F. (1979). Fish. Mar. Serv. MS Rep. 1525. 21 pp.
Also in Crustacean Studies.
Approaches to a simplified yield-per-recruit model for Crustacea, with particular reference to the American lobster, Homarus americanus.
Caddy, J.F. (1977). Fish. Mar. Serv. MS Report 1445; 14 pp.
A Minority View on Ecosystem-Based Management and Ecosystem-Based Fisheries Management
John F. Caddy, International Fisheries Consultant. Living Resources.
Conserving spawners and harvesting juveniles: is this better than postponing capture until sexual maturity?
John F. Caddy
Read the presentation » (.ppt)
Draft review of the CRSP Program on Fish Stock Assessment.
John F. Caddy, FAO, Rome.
ALFA. An Alternative Lenght Frequencies Approach.
C. Stamatopoulos, J. F. Caddy, International Consultants, Fisheries Resources Monitoring and Assessment.