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Articles by G.S. Mamman
Total Records ( 3 ) for G.S. Mamman
  C. Akosim , B.T. Kwaga , A. Ali and G.S. Mamman
  This study aimed at providing information on the species list and structure of flora resources in Pandam Wildlife Park. To achieve this, both plot and plotless methods for vegetation analysis were used. Girth at breast height was measured with diameter tape at 1.4 m above the ground and before the first branching. Height was measured by the angular pace method while crown area was determined from two perpendicular distances of tree canopy. Results obtained showed that there were 152 species of vascular plants belonging to 52 families. Frequency of species occurrence in the families ranged from 4.62% in Cyperaceae to 14.52% in Poaceae. Most of the trees were in the 0 50cm girth class category irrespective of the vegetation type. The Burkea woodland recorded the highest percentage of trees in the height class of 0 10 m while, the Riparian forest recorded the highest percentage of trees in the height class 20m. Crown cover ranged from 3754.30 m ha 1 in Burkea woodland to 9488.16 mha 1 in the Riparian forest.
  C. Akosim , B.T. Kwaga , B. Umar and G.S. Mamman
  This study investigated the role of 2 perennial aquatic bodies (Lake Pandam and Kurmi stream) in the conservation of avifauna and fish in Pandam Wildlife Park. Kurmi stream is the major tributary to Lake Pandam. A combination of variable transect and synchronous sighting methods were used for avifauna census while the fish landing of licensed fishermen was used in determining fish diversity of Lake Pandam. Physical and chemical characteristics of the two water bodies were determined. Results obtained showed that 29 avifauna species were observed on the Lake and its shores. Each bird population varied significantly (p< 0.05) between seasons. The white-face-tree duck (592.67469.18) was the most abundant bird species and it occurred throughout the year on the Lake and its shore. A total of 29 fish species grouped into eighteen families were harvested from the Lake and listed. Tilapia galilaea (0.3673), Tilapia zilli (0.2824), Tilapia nilotica (0.2368), Heterotus niloticus (0.2824) and Citharinus citherus (0.2019) made the highest contribution to the diversity index of fish species in Lake Pandam. Significant (p< 0.05) variation occurred in the total hardness, nitrate, bicarbonate, magnesium manganese and fluoride concentrations of the two water bodies.
  U. Buba , G.S. Mamman , C. Maxwell and B.W. Barau
  Hippopotamus (Hippopotamus amphibious) are nocturnal animals thought to have an African or Asiatic origin. In African, most hippopotamus are found in rivers throughout the savannah zone and main rivers of forest zone in Central Africa and like any other large mammal, their problems differ from one domain to the other involving human threats, such as habitat destruction, hunting pressure and urbanization. This study was designed to determine the population status and habitat choice of hippopotamus amphibious at Gashaka Gumti National Park, Nigeria using Semi Structural Questionnaires (SSQ), footprints count and direct observation methods. The results indicated that out of the 5 hippopotamus pools mentioned by the respondents, 3 (Mayo Jerandi, Mayo Karamti and Mayo Kam) were observed to be fully functional hovering roughly ±4 individuals. However, the mode of occupancy differed significantly (p<0.05) between the 3 functional pools. Measured footprints suggested the presence of both adults and infants (30x27, 31x28, 32x29 and 33x30 cm). Home range ranges between 102 and 400 m2 and pools were mostly sited in the savannah areas (75%) cutting across the candidate rivers than the forested regions (25%) of the Host Rivers. However, there was no significant difference (p<0.20, n = 102) in the depth of the 4 functional pools. Hippopotamus in the study area spent most of their time with enormous fishes (54.5%) and therefore, susceptible to regular disturbances due to controlled or uncontrolled fishing. Based on the findings from this study, immediate and intensified conservation effort is required through research and protection techniques to reduce or absolutely eradicate further demise.
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