The influence of land use activities on nutrient inputs into small upland catchment streams, Ghana [Elektronische Ressource] / vorgelegt von Adelina Maria Mensah

The Influence of Land-use Activities on Nutrient Inputs into Upland Catchment Streams, Ghana Dissertation zur Erlangung des Doktorgrades (Dr. rer. nat) der Mathematisch-Naturwissenschaftlichen Fakultät der Rheinischen Friedrich-Wilhelms-Universität Bonn vorgelegt von ADELINA MARIA MENSAH aus GHANA Bonn 2009 1. Referent: Prof. Dr. Paul Vlek 2. Referent: Prof. Dr. Sebastian Schmidtlein Tag der Promotion: 17.07.2009 Erscheinungsjahr: 2009 Diese Dissertation ist auf dem Hochschulschriftenserver der ULB Bonn http://hss.ulb.uni-bonn.de/diss_online elektronisch publiziert Life is simple. Man complicates it when he doesn’t follow the simple pathways that govern. An honorable intension is the beginning; persistent questioning, the direction; and inner guidance, the key. Then man works with life to create magnificence. - Adelina Mensah, July 17 2008 - To my parents, for giving me the opportunity to create ABSTRACT In Ghana, increasing agricultural productivity is seen as an essential component of most development programs. The main objective of this study was to assess the implications of increased land-use activities on in-stream nutrients and impacts on the quality of water for domestic use and on aquatic ecosystem health.