June 2009

Floristic composition, structure and natural regeneration in a moist semi-deciduous forest following anthropogenic disturbances and plant invasion

  The floristic composition, structure and natural regeneration were studied in three 50 x 50 m plot each in undisturbed, disturbed-invaded and disturbed forests (UF, DIF and DF respectively) of the Tinte Bepo forest reserve. A total of 108 plant species belonging to 37 families, 77 genera and 8 life forms were identified in all the forest blocks. Trees represented the most diverse life form. Celtis...

Author(s): P. Addo-Fordjour, S. Obeng, A. K. Anning and M. G. Addo

June 2009

Plant species diversity in loblolly pine (Pinus taeda L.) and Sugi (Cryptomeria japonica D. Don.) plantations in the Western Guilan, Iran

  The purpose of this study was to quantify plant species diversity in three plantations composed of loblolly pine (Pinus taeda) (two stands) and Sugi (Cryptomeria japonica) (one stand) species, located in western Guilan, Iran. Sampling procedure was systematic-random method, and with regard to the homogeneity of plantations 20 sampling plots were taken in each plantation and the surrounding natural forest. The...

Author(s): Hassan Poorbabaei and Gader Poorrahmati

June 2009

Factors shaping on-farm genetic resources of sorghum (Sorghum bicolor (L.) Moench) in the centre of diversity, Ethiopia

  Ethiopia is cited as one of the centres of sorghum diversity. In order to assess the on-farm genetic resources management of sorghum various research methodologies were employed. These were focus group interviews with 360 farmers, key informant interviews with 60 farmers and development agents and semi-structured interviews with 250 farmers. Besides, diversity fair was done with over 1200 farmers. For...

Author(s): F. Mekbib, A. Bjørnstad, L. Sperling and G. Synnevåg