Product Description: Natural saline water, waste water, and irrigation return flow endanger the groundwater aquifers in the Rift. In the long run this will ruin the socio-economic backbone of the settlements in the area. Sustainability of the water resources will only be achieved when the process of water replenishment and its underground flow is understood and water extraction is regionally controlled...read more

Product Description: A central aspect of human adaptation -- reproductive behavior -- is studied through the multiple lenses of philosophy, biology, psychology, and anthropology, all united by an evolutionary perspective. Although reproduction is an intrinsic mechanism of macroevolution, this colloquium shows that reproductive behaviors yield new significance for evolution theory when examined in a multi-disciplinary setting...read more

Product Description: This book covers in detail the development and use of the electric sense in fishes. Contents include coverage of taxonomy of the species involved, electric organs and electroreception, hormones and behaviour and the role of other sensory systems in conjunction with the electric sense...read more

Product Description: Das vorliegende Buch richtet sich an die Studierenden der Geo wissenschaften, der Chemie sowie an Interessenten aus anderen Disziplinen. In einer Zeit, in der das BewuBtsein vieler Men schen fur die Endlichkeit irdischer Resourcen sowie fur anthro pogene Veranderungen in der Natur und damit fur die Unver antwortlichkeit menschlicher Ignoranz gegenuber geochemi schen Prozessen gescharft worden ist, kann mit Recht erhofft werden, daB sich in zunehmendem MaBe Studierende dem Fach Geochemie zuwenden...read more