Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Daniel Ama-Abasi"'
Publikováno v:
Scientific African, Vol 16, Iss , Pp e01247- (2022)
In this study, the influence of physical environmental factors (rainfall, temperature, water depth, turbidity, transparency and conductivity) on the temporal distribution, abundance and catch of C. nigrodigitatus from the Cross River was investigated
Externí odkaz:
https://doaj.org/article/6956948b3ac948da9f492c20f0651d3a
Autor:
Edak Aniedi Uyoh, Daniel Ama-Abasi
Publikováno v:
Global Journal of Agricultural Sciences. 19:71-82
Chrysichthys nigrodigitatus forms the most commercially important freshwater single species fishery in the Cross River, Nigeria. Studies were conducted on the dynamics of the exploited population of the species and the influence of rainfall on its ca
Publikováno v:
Annual Research & Review in Biology. :42-52
Morphometric and genetic diversity studies were carried out on Chrysichthys nigrodigitatus sampled from middle and lower Cross River. The aim was to provide information on variations between these two populations and also augment the limited informat
Autor:
MT Udo, Oju R. Ibor, Godwin Michael Ubi, Charles Opara, Chioma Marylyn Adilieje, Daniel Ama-Abasi, Edak Aniedi Uyoh, Valentine Otang Ntui
Publikováno v:
Annual Research & Review in Biology. :13-24
Studies were conducted on Chrysichthys nigrodigitatus and C. auratus from the Cross River, Nigeria. The objective was to document intra- and inter-specific variations in molecular structure among four populations of the genus in the river. DNA was ex
Proximate Analysis of Snakehead Fish, Parachanna obscura, (Gunther 1861) of the Cross River, Nigeria
Autor:
Anthony Ogar, Daniel Ama-Abasi
Publikováno v:
Journal of Fisheries and Aquatic Science. 8:295-298
African snakehead, Parachanna obscura is being considered as an emerging aquaculture candidate in Nigeria. The species is very palatable and has a good fillet quality. Study was conducted on the proximate composition of the species from Cross River,
Publikováno v:
Journal of Sea Research. 54:307-316
The production of eggs in a fish population is a fundamental parameter in fisheries management and ecology. Management decisions are based largely on the abundance and composition of the spawning stock; hence it is essential to estimate the contribut
Publikováno v:
Fisheries Research. 68:225-235
Studies were conducted on the dynamics of the exploited population of Ethmalosa fimbriata (bonga) from purse seine fishery in the Cross River Estuary and adjacent Gulf of Guinea. Growth parameters were determined using the length–frequency distribu
Publikováno v:
Ethiopian Journal of Environmental Studies and Management; Vol 9, No 2 (2016); 121-136
Calabar River Estuary is often used by both locals and tourists for boating and swimming making it necessary to assess the microbial recreational water quality of this water body. Five sampling stations were established – 3 in Calabar River and 2 i
Autor:
Daniel Ama-Abasi
Publikováno v:
Global Journal of Pure and Applied Sciences. 12
Autor:
Daniel Ama-Abasi
Publikováno v:
Global Journal of Pure and Applied Sciences; Vol 10, No 3 (2004); 379-383
No abstract available Length-weight parameters for bonga, Ethmalosa fimbriata in Cross River Estuary were estimated. Weight growth in Ethmalosa fimbriata was found to be isometric, with exponent b= 3.0 and a = 0.00967. This indicates that growth is p