1. Geographical and geo-ecological survey of the sanctuary area;Barth,1994
2. An assessment of the impact of overgrazing within the sanctuary and an evaluation of the potential grazing capacity;Barth,1995
3. Sebkhas als Ausdruck von Landschaftsdegradation im zentralen Küstentiefland der Ostprovinz Saudi-Arabiens;Barth,1998
4. Status of Vegetation and an Assessment of the Impact of Overgrazing in an Area north of Jubail, Saudi Arabia;Barth,1998
5. Barth, H. J. in preparation, Estimating vegetation cover. Results of a test series and the methodology of video monitoring