PREFACE 



This publication is a result of the research program of the Institute of Natural 

 and Environmental Resources. The Institute is a multi-disciplinary group of 

 scientists involved in a coordinated program of research, teaching and extension. 

 The research effort encompasses investigations of: problems affecting the quality 

 of the environment, economics of agriculture, forest and wildlife resources, the 

 efficient use and conservation of water and soil, and regional and community 

 planning and development. 



