J. P. Yani

Soil Properties and Site Index in an Age Sequence of Gmelina arborea in Jalingo Taraba State, Nigeria

D. L. David, J. P. Yani & J. A. Wahedi · Annual Research & Review in Biology · 2015

Soil potential productivity and the site index in an age Gmelina arborea plantation in Jalingo forest plantation were studied. The plantations which were of different age variations, were mapped out into eight compartments with a measurement of 100 m x 100 m. For each of the comp...

Open access Research Article 10.9734/ARRB/2015/16587

Assessment of Bees’ Diversity within Ngel-Nyaki Forest Reserve at Taraba State, Nigeria

L. C. Garba, D. L. David, E. Elisha, S. D. Titus, J. H. Bulus & J. P. Yani · Asian Journal of Research in Agriculture and Forestry · 2023

A field survey was conducted in Ngel-Nyaki Forest Reserve to assess the diversity of bees within the Reserve. Two methods of sampling techniques were used to sample bee species, opportunistic sampling and systematic sweep netting. Opportunistic sampling method was applied by swee...

Open access Research Article 10.9734/ajraf/2023/v9i3213

Aspects of Tree Species Phenology and Diversity for Conservation in the Chimpanzee Forest Habitat Kwano, Gashaka Gumti National Park, Nigeria

E. B. Febnteh, D. F. Jatau, G. M. Anjah, R. T. Kinge, S. O. Schombi, U. Buba & J. P. Yani · Asian Journal of Research in Agriculture and Forestry · 2023

Changes in lifecycle forms of tree species seriously affect their production leading to global warming which has a lot of influence on peoples’ economic status through the provision of ecosystem services. It is important to study the lifecycle changes occurring in tree species an...

Open access Research Article 10.9734/ajraf/2023/v9i4235