Palaeogeography, Palaeoclimatology, Palaeoecology Volume 163 Issue 1-2 2000 [Doi 10.1016%2Fs0031-0182%2800%2900146-2] J. Platt Bradbury -- Limnologic History of Lago de Pátzcuaro,
Liu XQ 2008 Holocene Environmental and Climatic Changes Inferred From Wulungu Lake in Northern Xinjiang, China
X.Desertification A. Deserts: areas of low rainfall….. Arid: less than 10 cm (4 in) Semi-arid: less than 25 cm (10 inches)
Desertification
DESERTIFICATION Edited by Joe Naumann 1. X.Desertification A. Deserts: areas of low rainfall….. Arid: less than 10 cm (4 in) Semi-arid: less than 25 cm.