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Dr. Francis Nwosu

 

 

Name of Staff:                   Dr. Francis M. Nwosu 

 

Unit of the Institute:      Biological Oceanography Unit

 

Present Status:                SENIOR RESEARCH FELLOW  

 

 

 

Contact Details:                             

 

            Dr.  Nwosu 

   

 

INSTITUTIONS ATTENDED WITH DATES AND QUALIFICATIONS OBTAINED

 

1.         University of Calabar, Calabar, Nigeria, 1996 – 2000;

PhD (Population Dynamics/Fisheries Management).

 

2.         University of Calabar, Calabar, Nigeria, 1993 – 1996;

MSc (Fisheries and Aquaculture).

 

3.         University of Benin, Benin city, Nigeria, 1985 – 1989;

B.Sc.  Zoology (Second Class Hons., Upper Division).

 


 

Conference Papers

 

1.      Holzlöhner, S., ENIN, U. & NWOSU, F. (1997): Survey of the fishing villages of the inner Cross River Estuary, Nigeria. Paper presented on the Seminar: Cross River Basin- Nature and Culture. National Museum, Calabar, May 19-20, 16pp.

 

2.            Holzlöhner, S. & NWOSU, F. (1997): Mangrove of the Cross River Estuary, Nigeria- a potential area for nature conservation (Survey of the vegetation belts along the coasts). Paper presented on the Seminar: Cross River Basin- Nature and Culture. National Museum, Calabar, May 19-20, 13pp.

 

 

3.      Holzlöhner, S., ENIN, U. & NWOSU, F. (1998): Distribution of the fishing boats and gears in the inner Cross River Estuary, South East Nigeria. FISON Conference, Ibadan, January 23pp.

 

4.            NWOSU, F., Holzlöhner, S. & ENIN, U. (1998): The catch-per-unit effort of the artisanal shrimp fishery on Macrobrachium spp. in the Cross River Estuary, Nigeria. International Conference of the Paradi Association and the Fisheries Society of Africa, Grahamstown, September, Book of Abstracts, p. 151.

 

5.            NWOSU, F. & Holzlöhner, S. (1998): Optimum temperature for the primary nursing of the African catfish Heterobranchus longifilis (Clariidae) larvae, International Conference of the Paradi Association and the Fisheries Society of Africa, Grahamstown, September, Book of Abstracts, p. 226.

 

6.            NWOSU, F. & Holzlöhner, S. (1998): Influence of light periodicity on the growth and survival of Heterobranchus longifilis Val. 1840 (Clariidae) larvae. European Aquaculture Society, Special Publication No. 26, pp.206-207.

 

7.            Holzlöhner, S. & NWOSU, F. (2000): Classification of mangrove formations along the coast of Cross River Estuary, Nigeria. Workshop Wetlands 2000, University of Uyo, Nigeria, November 19-25, 12pp.

 

8.            Holzlöhner, S. and NWOSU, F. (2000): A proposal for the protection and rehabilitation of the mangrove ecosystem of the Cross River Estuary, Nigeria. Workshop Wetlands 2000, University of Uyo, Nigeria, November 19-25, 9pp.

 

9.            NWOSU, F. & Holzlöhner, S. (2001): Lunar and seasonal variations in the catches of Macrobrachium fishery of the Cross River Estuary, SE Nigeria. Paper presented at the 16th Annual Conference of FISON, Maiduguri, November 4-9, 2001, 11pp.


 

 

10.        Holzlöhner, S. & NWOSU, F. (2001): Mangrove mapping in Cross River Estuary, Nigeria. Paper presented at the 5th International Conference on Environmental Management of Enclosed Coastal Seas (EMECS), City of Kobe and Awashi Island, Japan, November 19-22, 2001, 20pp.

 

11.        NWOSU, F.M. & HOLZLöHNER, S. (2002): Implication for management of the reproductive biology of palaemonid shrimps in the Cross River Estuary, Nigeria. 132nd Annual Conference of American Fisheries Society, Baltimore, Maryland, USA. 18 – 22 August, 2002. Book of Abstracts.

 

12.        HOLZLöHNER, S, ENIN, U.I. & NWOSU, F.M. (2002): Distribution of fishing gears in the inner Cross River Estuary. Paper presented at the 19th Annual Conference of FISON, Uyo, 18th-22nd November, 2002, 11 pp.

 

13.        Nwosu, F.M. & Holzlöhner, S. (2002): Sex ratios of three palaemonid shrimps in the Cross River Estuary, SE Nigeria. Paper presented at the 19th Annual Conference of FISON, Uyo, 18th-22nd November, 2002, 9 pp.

 

14.        Ita, E.O., Nwosu, F.M. & Holzlöhner, S (2002): Sustainable development of West African  coastal fisheries: Policy options and formation mechanisms through regional research and management co-operation. Paper presented at the 19th Annual Conference of FISON, Uyo, 18th-22nd November, 2002.

 

15.        Ita, E. O., U.I. Enin & F. M. Nwosu, (2002). Research needs for sustainable fisheries development: A case study of the Nigerian Marine fisheries policy. Paper presented at the 19th Annual Conference of FISON, Uyo, 18th-22nd November, 2002.

 

16.        S. Holzlöhner, U. I. Enin, D. Ama-Abasi & F. M. Nwosu (2003).  Species composition and catch rates of the gillnet fishery in the central Cross River Estuary, SE Nigeria.  3rd International Conference of the Pan-African Fish and Fisheries Association.  Cotonou, Benin, 10-14 November, 2003.

 

17.        Nwosu, F. M., 2003.Application of antibiotics in the early hatchery rearing of an African catfish, Heterobranchus longifilis Val. 1840 (Teleostei: Clariidae). 37th Annual Conference Agricultural Society of Nigeria, University of Calabar,16 – 20 November, 2003.

 

18.        S. Holzlöhner & F. M. Nwosu, 2004. Nypa palm as source of sugar, alcohol, vinegar and biogas. Poster presentation at the 1st Nigerian Universities Commission (NUC) Research and Development Fair, Abuja, 22 – 26 November 2004.

 

 

19.        Nwosu, F. M. & S. Holzloehner, 2004. Indications for Macrobrachium fishery recovery: A good omen for poverty alleviation of artisanal fishermen in the Cross River Estuary System, SE Nigeria. Paper presented at the 19th  Annual Conference of FISON, Ilorin, 29 November – 3 December, 2004.

 

20.    F. M. Nwosu, 2005. An overview of Nigeria’s mangrove ecosystem: problems and prospects. National Workshop on Coastal and Marine Biodiversity Management. ABGREMO/SU/TCDC/UNDP/UNOPS. Calabar,

6 – 10 September, 2005. 10 pp.

        

21.    S. Holzlöhner & F. M. Nwosu, 2005: Mangroves management including Nipa control by utilization. UNIDO Workshop on Evaluation of Methodologies for Mangrove Ecosystem Survey, Restoration and Pilot Site Selection Criteria, Accra, Ghana, 19-23 September, 2005. 12 pp.

 

22.    Nwosu, F. M. & S. Holzloehner, 2005. Inter-annual variation of catch-

per-unit effort of Macrobrachium fishery in the Cross River Estuary, SE Nigeria. 20th  Annual Conference of the Fisheries Society of Nigeria (FISON); Port Harcourt, 14 -18 November, 2005. 8p.

 

 

23.        S. Holzloehner & F. M. Nwosu, 2005. Nipa palm control by utilization. 20th Annual Conference of the Fisheries Society of Nigeria (FISON); Port Harcourt, 14 -18 November, 2005. 7p.

 

24.        S. Holzloehner & F. M. Nwosu, 2005. Reason for nipa spread and control by utilization. UNIDO Regional Training Workshop on “Integrated Coastal Area Management”. Calabar, Nigeria; 12 – 16 December 2005. 7p.

 

25.        S. Holzloehner & F. M. Nwosu, 2006. Nipa palm spread in Nigeria ans Management Possibilities.Mangrove Management Seminar, Asian Institute of Technology, Bangkok, Thailand. 2-9 September, 2006. 13p.

 

26.        S. Holzloehner & F. M. Nwosu, 2006. Mangroves in Nigeria – An Overview. Mangrove Management Seminar, Asian Institute of Technology, Bangkok, Thailand. 2-9 September, 2006. 6p.

 

27.        F. M. Nwosu and S. Holzloehner, 2006. Gear considerations in the artisanal shrimp fisheries of the Cross River Estuary, Nigeria. 21st Annual Conference of the Fisheries Society of Nigeria (FISON), 13 – 17 November, 2006; Calabar. Book of Abstracts.

 

28.        F. M. Nwosu, 2006. Aspects of the reproductive biology of three West African prawns in the mangrove creeks of the Cross River Estuary, Nigeria. 21st Annual Conference of the Fisheries Society of Nigeria (FISON), 13 – 17 November, 2006; Calabar. Book of Abstracts.

 

29.        F. M. Nwosu, 2006. Problem of bycatch associated with industrial shrimping: Implication for the inshore demersal fisheries in the Niger Delta, Nigeria. CEHRD/IUCN Workshop on Sustainable Shrimp Fisheries in Nigeria. 15-16 December, 2006. Port Harcourt Nigeria. 11p.

 

30.        S. Holzloehner & F. M. Nwosu, 2006. Nipa palm control by utilization and mangrove restoration. Presented at GCLME Project National Stakeholders Workshop on Integrated Coastal Areas Management and Mangroves Restoration in Nigeria. 20 22 December, 2006. Eket, Nigeria. 11p.

 

 

31.        S. Holzloehner & F. M. Nwosu, 2007. Possibilities for maintenance of biodiversity in Nigerian mangroves ecosystem by multiple utilization of nipa palm Nypa fruticans. Paper presented at the Workshop of Technical Advisory Group on Biodiversity, Accra, Ghana; February 26 – March 2, 2007. 10p.

 

32.        Nwosu, F. M., 2007. Status of decimation of the mangrove forests in Nigeria and the benefits of reforestation. Paper presented at the Workshop/Stakeholders Meeting on the Assessment of control measures for nipa palm infestation in Nigeria and the implementation of a public awareness programme in relation to mangrove depletion and proposed re-forestation. Bioresources Development and Conservation Programme (BDCP) – UNIDO. Calabar, Nigeria; 14 – 15 August 2007. 15p.

 

33.        Nwosu, F. M., 2008. Aspects of the biology of the Gabon shrimp Atya gabonensis, Giebel 1875 in the Cross River, Nigeria. Paper presented at the 4th International Conference of the Pan African Fish and Fisheries Association (PAFFA); Addis Ababa, Ethiopia. 22-26 September, 2008. Book of Abstracts.

 

34.        Nwosu, F. M., 2008. Assessment of artisanal fishing impact on Pseudotolithus elongatus in the Cross River Estuary, Nigeria using length-frequency models. Paper presented at the 4th International Conference of the Pan African Fish and Fisheries Association (PAFFA); Addis Ababa, Ethiopia. 22-26 September, 2008. Book of Abstracts.

 

35.        Nwosu, F. M., 2008. Species composition and gear characteristics of the Macrobrachium fishery of the Cross River Estuary, Nigeria. Paper presented at the 4th International Conference of the Pan African Fish and Fisheries Association (PAFFA); Addis Ababa, Ethiopia. 22-26 September, 2008. Book of Abstracts.

 

36.        Nwosu, F. M. & S. Holzloehner, 2008. Mangrove conservation in Nigeria as a remedy for climate change. Paper presented at the 18th Annual Conference of the Nigerian Environmental Society. Calabar, 27 – 29 November, 2008. Book of Abstracts.

 

37.    Nwosu, F. M., 2009. Proposals for shrimp farming in Nigeria:

Socio-economic, environmental and human rights concerns. Paper presented at the Centre for Environment, Human Rights and Development Regional Stakeholders Meeting on: Strengthening Sustainable Shrimp Fisheries in the Niger Delta; 3-4 March, 2009; Port Harcourt, Nigeria. 19p.

 

 

 

Refereed Papers

 

1.                  Holzlöhner, S. & NWOSU, F. (1997): Nypa palm of the inner Cross River Estuary: A survey.  Transactions of the Nigerian Society for Biological Conservation, 6(1):26-28.

 

2.                  Nwosu, F. M. & U. I. Enin, (1997). Poverty as a constraint to biological conservation and sustainable living: A perspective. Transactions of the Nigerian Society for Biological Conservation, 6(1): 55 – 58.

 

3.                  NWOSU, F. & Holzlöhner, S. (1999): Mangroves of the Cross River Estuary, Nigeria: An endangered natural wealth. InterCoast Network, Spring, p28.

 

4.                  NWOSU, F. & Holzlöhner, S. (2000): Influence of temperature on egg hatching, growth and survival of larvae of Heterobranchus longifilis Val. 1840 (Teleostei: Clariidae). Journal of Applied Ichthyology, 16(1) 20-23.

 

5.                  NWOSU, F. & HolzlOEhner, S. (2000): Effect of light periodicity and intensity on the growth and survival of Heterobranchus longifilis Val. 1840 (Teleostei: Clariidae). Journal of Applied Ichthyology, 16(1) 24-26.

 

6.                  Holzlöhner, S., NWOSU, F. M. & E. R. AKPAN (2002). Mangrove mapping in the Cross River Estuary, Nigeria. Afr. J. Environ. Pollut. Health 1 (2): 76 – 87.

 

7.                  Holzlöhner, S., NWOSU, F. M. & U. I. ENIN (2004). Fishing effort statistics of the artisanal fisheries of the Cross River Estuary, Nigeria.  Global Journal of Pure and Applied Sciences, Vol. 10, No.2, March 2004: 249-256.

 

8.         NWOSU, F. M. & Holzlöhner, S., 2004. Lunar and seasonal variation in the Catch of Macrobrachium fishery of the Cross River Estuary, Nigeria.  Indian Hydrobiology, 7 (1 & 2): 177 – 181.

 

9.         NWOSU, F. & Holzlöhner, S. (2006): Length-weight relationships of palaemonid and penaeid shrimps of the Cross River Estuary, SE Nigeria. Global Journal of Pure and Applied Sciences. Vol. 12 No. 1: 139-140.

 

10.       Nwosu, F. M. & M. Wolff (2006).  Population dynamics of the giant African River Prawn Macrobrachium vollenhovenii Herklots 1857 (Crustacea, Palaemonidae) in the Cross River Estuary, Nigeria. West African Journal of Applied Ecology, Vol. 9, 1-18.  www.wajae.org.

 

11.       NWOSU, F. & Holzlöhner, S. & U. I. ENIN, 2007. The dynamics of the exploited population of the Brackish River Prawn (Macrobrachium macrobrachion Herklots1851) in the Cross River Estuary, Nigeria.  Scientia Marina. 71(1): 115-121.

 

12.       S. Holzloehner, U. I. Enin, D. Ama-Abasi & F. M. Nwosu, 2007. Species composition and catch rates of the gillnet fishery in the Central Cross River Esutary, SE Nigeria. Journal of Afrotropical Zoology; Special Issue: 107-112.

           

 

13.       Nwosu, F. M., 2008. Growth and mortality of the Rough river prawn Macrobrachium equidens Dana, 1852 (Crustacea, Palaemonidae) in Cross River Estuary, SE Nigeria. Journal of Food, Agriculture & Environment (JFAE) Vol. 6 (1): 186-189.

 

14.       Nwosu, F. M. & Holzlöhner, S. (2008): Mangrove conservation in Nigeria as a remedy for climate change. Journal of Nigerian Environmental Society (JNES), 4(4): 19 – 26.

 

15.         Nwosu, F. M., 2010. Species Composition and Gear Characteristics of the Macrobrachium Fishery of the Cross River Estuary, Nigeria. J. Ocean Univ. China (Oceanic and Coastal Sea Research); 9 (1): 71-75.

 

16.        Nwosu, F. M., U. I. Enin & S. Holzlöhner, 2010. Assessment of artisanal fishery impacts on West African Croaker Pseudotolithus elongatus in the Cross River Estuary, Nigeria using length-based models. North American Journal of Fisheries Management, 30: 860-865.

 

 

 

Papers in Peer Reviewed Proceedings

 

1.         Nwosu, F. M. and S. Holzloehner (2005): Inter-annual variation of catch-per-unit effort of Macrobrachium fishery in the Cross River Estuary, SE Nigeria. Pp. 210-212. In: Proceedings of the 20th Annual Conference of the Fisheries Society of Nigeria.

 

2.         Nwosu, F. M. (2006). Aspects of the reproductive biology of three West African prawns in the mangrove creeks of the Cross River Estuary, SE Nigeria. Pp.144-148. In: Proceedings of the 21st Annual Conference of the Fisheries Society of Nigeria.

 

3.         Nwosu, F. M. and S. Holzloehner (2006). Gear considerations in the artisanal shrimp fishery of the Cross River Estuary, Nigeria. Pp. 149-152. . In: Proceedings of the 21st Annual Conference of the Fisheries Society of Nigeria.

 

Monographs/Reports

 

HolzlOEhner, S. & NWOSU, F. M. (1997): Mangrove of the Cross River Estuary, Nigeria- a survey of the vegetation belts along the coasts. Submitted to the National Agricultural Research Project (NARP), May 1997, 23 pp.

 

ENIN, U. I., HolzlOEhner, S., & NWOSU, F. M. (1997): Survey of the fishing villages of the inner Cross River Estuary, Nigeria. Submitted to the National Agricultural Research Project (NARP), May 1997, 43 pp.

 

Holzlöhner, S., ENIN, U. I. & NWOSU, F. M. (1997): Stock assessment of fish and shellfish species in the Cross River Estuary, Nigeria. Submitted to the National Agricultural Research Project (NARP) of Nigeria (World Bank co-sponsored). 39 pp.

 

Holzloehner, S., Enin, U. I., Nwosu, F. M. & Ama-Abasi, D. E. (1998).  Stock assessment of fish and shellfish species in the Cross River Estuary, Nigeria. Submitted to the National Agricultural Research Project (NARP) of Nigeria (World Bank co-sponsored). 50 pp.

 

 

Article published in Print media

 

1.    F. M. Nwosu & S. Holzlöhner (2005): UNICAL dons warn against extinction of mangrove-nypa. The Guardian, Thursday, August 11, 2005. pp. 48 & 49.

 

 

 

 

Courses taught

                       

UNDERGRADUATE programmes in marine biology, fisheries and aquaculture, and environmental protection and resource management (epm)

 

1.                  Introductory Ecology.                 

 

2.                  Introductory Marine Biology II   

 

 3.                  Fish Population Biology                

 

4.                  Integrated Coastal Zone Management

 

 

post-graduate diploma in fisheries and aquaculture, and integrated coastal zone management

 

5.                  Principles of Fisheries Management (pgd Fisheries and Aquaculture)                                                  

 

6.                  Coastal resource protection and conservation (PGD Coastal Zone Management)                                                    

 

 

mSC and phd in fisheries and aquaculture

 

7.                  Fish Population Dynamics and Stock Assessment (MSc/PhD Fisheries & Aquaculture).

                           

 

Research Interests

 

1.                  Fisheries and ecosystems management

2.                  Application of GIS and Remote Sensing to fisheries and environment

3.                  Marine resources conservation

4.                  Impact of climate change on fisheries

 

Research Attachment/Study Visits

 

1.         German – Nigerian Kainji Lake Fisheries Management Project (at the National Institute for Freshwater Fisheries Research), New Bussa, November – December, 1996.

 

2.         German – Nigerian Kainji Lake Fisheries Management Project (at the National Institute of Freshwater Fisheries Research), New Bussa, August – December, 1998.

 

3.         Centre for Tropical Marine Ecology (ZMT), University of Bremen, Bremen, Germany, January – April 1999. Sponsor: Forschungszentrum, Jülich Internationales Büro, Germany.

 

4.        Thailand study tour – Fisheries and Mangrove management. Asian Institute of Technology (AIT) Bangkok (Host). 2-9 September, 2006. UNIDO Sponsored and led by Hon. Minister of Environment.

 

5.         Thailand Seminar and study visit on: Integrated Coastal Management. Asian Institute of Technology (AIT) Bangkok (Host). 22 June – 1 July, 2008. UNIDO sponsored.

 

NATIONAL ASSIGNMENTS

 

1.         Member, Ministerial delegation on a study tour of Thailand for mangrove management. September 2-9, 2006.

2.         Member, Review of Draft Regulations on “Watersheds, Hilly, Mountainous and Catchments Areas”, “Wetlands, River Banks and Lake Shores”, and “Coastal and Marine Areas” for the National Environmental Standards and Regulations Enforcement Agency (NESREA); September 19, 2008.

 

INTERNATIONAL ASSIGNMENTS/EDITORIALS

 

1.         Reviewer for the journal Aquaculture (Aquaculture Management section), USA

 

2.         Topic Editor (Fisheries) for Encyclopedia of Earth

 

3.         Reviewer for the journal Knowledge and Management of Aquatic Ecosystems, France

4.         Reviewed manuscript for Acta Zoologica Lituanica, Luthiania

 

5.         Reviewed manuscript for African Journal of Environmental Science and Technlogy

 

 

MEMBERSHIP OF PROFESSIONAL ORGANIZATIONS

 

1.         Network of Tropical Aquaculture and Fisheries Professionals, Worldfish Center (Formerly ICLARM, Manila Philippines), Penang, Malaysia.

 

2.         Fisheries Society of Nigeria (FISON).

 

3.         Nigerian Society for Biological Conservation (NSBC).

 

4.         African Mangrove Network (AMN), Senegal.

 

5.               Mangrove Action Project (MAP), USA.

 

6.               Association of American Geographers (AAG), USA.

 

7.                  West African Research Association (WARA), Senegal.

 

 

 

SCHOLARSHIPS/AWARDS

 

1.         Fulbright Visiting Scholar (Postdoctoral Fellowship), USA; 2009/2010.

 

2.         Forschungszentrum, Jülich Internationales Büro, Germany; January-April, 1999.

 

 

HOBBIES

 

NATURE EXCURSIONS, CORRESPONDENCE, FOOTBALL

 

 

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