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Standard Scientific Research and Essays Vol.1(13), pp. 347-351, December 2013 (ISSN: 2310-7502)
Copyright © 2013 Standard Research Journals
 

 

 

 Research Article

 

Aeropalynological Study of Anyigba, Kogi State, Nigeria

 

*Essien, B. C and Agwu, C.O. C

 

Department of Biological Sciences, Kogi State University, Anyigba, Nigeria

                                                                   

*Corresponding Author E-mail: benjaminessien8@gmail.com

 

Accepted 10 December  2013

Abstract

Airborne palynomorphs of Anyigba, Kogi State, Nigeria were acetolysed and analysed palynologically to determine the taxa of biological importance present in the atmosphere. Out of sixty- one (61) pollen types belonging to thirty-six (36) plant families encountered, fifty (50) were identified to species level. Five (5) to family level and one (1) were unidentified. A total of 10356 pollen grains, 9491 fungal spores, 308 pteridophyte spores, 238 diatoms, 60 dinoflagellate cysts, 66 algal cysts, 1533 charred Poaceae cuticle/ trichomes, 3371 burnt plant epidermis and 324 insects/ insect parts were counted. The predominant pollen types include those of Poaceae, Elaeis guineensis Jacq, Lannea acida A.Rich, Nauclea latifolia S.M., Alchornea cordifolia Sw, Syzygium guineense, Berlinia grandifolia, Senna sp., members of the Asteraceae tubiliflorae complex and Combretaceae/ Melastomataceae families. All these are characteristic species of the Forest- Savanna ecozone. The presence of pollen record of Corylus avellana, Encephalartos sp., Ecbolium sp. and Ilex sp. is a valid evidence of long distance transport. The excessive increase in the relative abundance of burnt plant parts is an indication of annual bush fire and residual precipitation associated with the vegetation of the study area. The presence of burnt plant parts and fungal spores in the atmosphere from aesthetic plants affirms the great influence of anthropogenic activities on the local vegetation. This study would provide a good template which could be used to monitor the frequency and intensity of indiscriminate bush fire and other anthropogenic activities in the surrounding savanna vegetation and provide adequate restoration and conservation measures for safety health and environmental sustainability.

Keywords:
Aeropalynology, Palynomorphs, Acetolysis, Anyigba, Nigeria

 

 

 


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