This website contains information on the spread, distribution and effects of the shrub Piper aduncum in Papua New Guinea and other Pacific and SE Asian countries. Piper aduncum is native in South and Central America but has been imported in SE Asia in the 19th century. At present is overwhelmingly present in several countries. This website brings together much of our current knowledge on this species - some of this information can also be found on my homepage

                                                                              Alfred Hartemink

                                                                                                                       July 2008

Free  Book on  Piper aduncum

Invasion of Piper aduncum in the shifting cultivation systems of Papua new Guinea, by Alfred E. Hartemink. ISRIC – World Soil Information, Wageningen, 2006. Soft cover, xiv+234 pp. With a Foreword by Prof. David Pimentel. ISBN 90-810628-1-6.

Details here     Read the review by D. Simberloff in Biological Invasions (2007)  

The book can be downloaded:   (52 Mb)