April 2012

Land-use and land-cover analysis of Ilorin Emirate between 1986 and 2006 using landsat imageries

  This paper examines changes in land-use and land-cover pattern in Ilorin Emirate in Nigeria between 1986 and 2006. Landsat images of Ilorin Emirates at three epochs (1986, 2000 and 2006) were used. An administrative map of local governments in Kwara State and a land-use map of Ilorin were used as base maps. Global Mapper Software was used for the image enhancement; image classification was done with...

Author(s): J. B. Olaleye, O. E. Abiodun and R. O. Asonibare

April 2012

An economic valuation of the Kakum National Park: An individual travel cost approach

  A major problem confronting environmental economists is the difficulty in valuing environmental resources and other public goods such as recreational sites since there are no markets or markets are imperfect in situations where they exist. The Kakum National Park, officially opened in 1994, is one of the most important parks in Ghana that protects a vast rainforest including its bio-diversity, habitats and...

Author(s): Daniel Kwabena Twerefou and Daniel Kwasi Adjei Ababio

April 2012

Dissolution of heavy metals from electrostatic precipitator (ESP) dust of a coal based sponge iron plant by fungal leaching

  Coal based sponge iron industries in India generate considerable quantity of solid waste, 40% of which is flue dust produced from the electrostatic precipitator (ESP) connected to rotary kiln. This paper reports the dissolution of Zn, Cu, Pb, Mn and Fe from the ESP dust using three fungal species, Aspergillus niger, Aspergillus fumigatus and Aspergillus flavusat 5 and 10% pulp densities over a...

Author(s): Pradip K. Jena, C. S. K. Mishra, D. K. Behera, S. Mishra and L. B. Sukla

April 2012

Impact of salinity on the production of tomato along the coastal areas of Benin Republic

  The coast of Benin lies on a wide bay in the Gulf of Guinea called the Bight of Benin, about 125 km between Togo and Nigeria. The coastal areas of Benin cover part of the cultivable lands of the country. A total of 15 tomato varieties were recorded in the areas of study. The characteristics of each variety grown under salinity were also recorded based on the assessment of farmers. Salinity causes unfavorable...

Author(s): Vincent Ezin, Ibouraïma Yabi and Adam Ahanchede