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83 articles
81
Research Article DOI: 10.67390/gjids.2015.sasqnl5h

DEVELOPING TREE VOLUME EQUATIONS FOR AZADIRACHTA INDICA (NEEM TREE) IN KATSINA STATE, NIGERIA

SHUAIBU R B*

Volumes of current growing stock and future growth potentials are both important information for forest management. Tree volume equations are mathematical statements or expressions which relate tree quantity or volume to its measurable attributes such as base diameter, diameter at breast height, merchantable height and total height so as to obtain individual tree volume and the volumes of entire s...

May, 2015 pp. 204-213
82
Research Article DOI: 10.67390/gjids.2016.iu9pmlp0

EFFECTS OF 2, 3-DICHLOROVINYL DIMETHYL PHOSPHATE (DDVP) ON BIOCHEMICAL PARAMETERS OF OREOCHROMIS NILOTICUS (TREWAVAS, 1983) UNDER LABORATORY CONDITIONS.

Idi-ogede A M*, Ezeri G N O, Omoniyi I T, Musa Alhaji Musa, Nda A A

Northern region of Niger state. Studies were carried out using chronic toxicity bioassay to determine the effect of sub- lethal concentrations of 2, 3-dichlorovinyl dimethyl phosphate (DDVP) on Oreochromis niloticus (Trewavas, 1983) under laboratory conditions. Experimental fish were exposed to test water separately diluted with sub lethal concentrations of DDVP of 0.00, 0.12, 0.15, 0.19 and 0.25m...

May, 2016 pp. 210-221
83
Research Article DOI: 10.67390/gjids.2016.8wrsg2u0

EFFECTS OF SNIPER 1000EC ON BODY WEIGHT, LIVER AND KIDNEY HISTOLOGYOF OREOCHROMIS NILOTICUS UNDER LABORATORY CONDITIONS

Idi-ogede A M*, Ezeri G N O, Omoniyi I T, Ikililu A

Juveniles of Oreochromis niloticus (mean body weight 7.05± 1.02cm) were subjected to sniper 1000EC at 5 sublethal treatment levels of 0.00, 0.12, 0.15, 0.19 and 0.25mg/L. There was no significant difference between water quality parameters of the exposed and control groups. A 21 day exposure to sublethal concentrations of the toxicant led to a significant decrease (p

Nov, 2016 pp. 214-223