Zobrazeno 1 - 10
of 12
pro vyhledávání: '"MT Udo"'
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
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::361756e5055d26be4964d55d68645bac
https://doi.org/10.9734/arrb/2020/v35i230185
https://doi.org/10.9734/arrb/2020/v35i230185
Publikováno v:
Biological Sciences - PJSIR. 54:136-141
The composition and relative abundance of fish species assemblage of a mangrove creek in the Niger Delta, Nigeria based on different types of gear was assessed at four stations between November 2004 and June 2006. The overall community structure was
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e9e52401a5eaeedd9de1795402312288
https://doi.org/10.52763/pjsir.biol.sci.54.3.2011.136.141
https://doi.org/10.52763/pjsir.biol.sci.54.3.2011.136.141
Publikováno v:
Fisheries Research. 56:227-238
We studied the reproductive biology, growth, mortality, recruitment pattern and yield-per-recruit to the fishery of the mudskipper Periophthalmus barbarus (= P. papilio) in the intertidal swamps of the Imo River estuary in the south-eastern Nigeria.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f3e289ca2af40843941de83574467fb4
https://doi.org/10.1016/s0165-7836(01)00327-7
https://doi.org/10.1016/s0165-7836(01)00327-7
Autor:
MT Udo, Richard P. King
Publikováno v:
Helgoländer Meeresuntersuchungen. 52:179-186
Seasonal and intersexual dynamics in parameters of the length-weight relationship of the mudskipperPeriophthalmus barbarus, from Imo River estuary, Nigeria, were studied. The proportionality constant or intercept (a) was aseasonal in males, but in fe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::830417ff315ed69c8abc8d5fe73c6587
https://doi.org/10.1007/bf02908746
https://doi.org/10.1007/bf02908746
Autor:
MT Udo, Richard P. King
Publikováno v:
International Journal of Surface Mining, Reclamation and Environment. 11:151-154
Some aspects of the environmental biology of the amphibious gobiid, Periophthalmus barbanis, were studied to evaluate the impacts on the fish of the aggressive successional replacement of the native mangroves (Rhizophora mangle, Rhizophora racemosa,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e1888937471cf902471246d3aedb9e71
https://doi.org/10.1080/09208119708944080
https://doi.org/10.1080/09208119708944080
Autor:
MT Udo, BJ Oribhabor
Publikováno v:
Tropical Freshwater Biology. 21
Fecundity status and seasonality of the sleeper fish, Bostrychus africanus in the estuarine mangrove swamp of Qua Iboe River, Nigeria, was investigated between January and December, 2004. Average absolute fecundity was 16, 098 eggs (range 3 800 – 3
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::116fc786efcd61e0221f2093bbd8e1b5
https://doi.org/10.4314/tfb.v21i2.6
https://doi.org/10.4314/tfb.v21i2.6
Publikováno v:
Nigerian Journal of Fisheries; Vol 5, No 2 (2008)
We studied some aspects of biology of the Altantic mudskipper, Periophthalmus barbarus , in two estuarine swamps of Qua Iboe River, Nigeria, between January and December 2004. Sexual dimorphism revealed that males from mangrove creek swamp were longe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8c8d93226ef9383b4ab15fad11a0992f
https://www.ajol.info/index.php/njf/article/view/46855
https://www.ajol.info/index.php/njf/article/view/46855
Publikováno v:
African Journal of Applied Zoology and Environmental Biology. 7
The diet of Pellonula leonensis was studied in Cross River estuary, Nigeria, from January to December. The major food component were fish larvae, fine particulate organic matter, coarse particulate organic matter (detritus), crustaceans, ants, scales
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3ef86d3a1eb31b91c6d4bd3d07f0f6ec
https://doi.org/10.4314/ajazeb.v7i1.41161
https://doi.org/10.4314/ajazeb.v7i1.41161
Publikováno v:
Nigerian Journal of Physiological Sciences. 19
The effects of 0.5, 1.0, 1.5 and 2.0 % of combined oral and dermal single-application of 0.1 M concentration of gramoxone (contact herbicide, paraquat chloride) on Limicolaria aurora were determined and compared with control using Amaranthus sp . as
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9a21d5bbb5b02b92602664a96831e8ed
https://doi.org/10.4314/njps.v19i1.32640
https://doi.org/10.4314/njps.v19i1.32640
Autor:
Udo MT; Department of Fisheries and Aquaculture, Faculty of Agriculture, University of Uyo, Akwa Ibom State, Nigeria. udomfon@yahoo.com
Publikováno v:
Journal of environmental sciences (China) [J Environ Sci (China)] 2002 Oct; Vol. 14 (4), pp. 508-17.