Science

Information about tree ring dating. Includes history and methods.

Teaching and research in all aspects of dendrochronology.

A nonprofit research organization, provides tree-ring data collection and analysis. Home of OLDLIST, a database of known maximum ages that individual trees of different species have attained at the time of sampling from around the world. Dr. Peter M. Brown, Fort Collins, Colorado, US.

A brief primer on the subject of dating past events by looking at tree rings.

Dr. habil Martin Worbes' tree-ring research in temperate, tropical, and subtropical regions.

Research concentrates on the development of exactly-dated annual tree-ring chronologies from ancient forests worldwide.

Provides photos of tree rings and forums for discussion of the study of dendrochronology.

An independent tree-ring dating laboratory concentrating primarily on the dating and analysis of standing timber structures. Projects, publications, the dated buildings register and interactive maps. Baltimore, MD, US.

Site discusses the use of tree rings in dating and climatic reconstruction, as part of archeological studies. From Malcolm and Carolyn Wiener Laboratory for Aegean and Near Eastern Dendrochronology, at Cornell University.

From The Swiss Federal Institute for Forest Snow and Landscape Research.

Dendrochronology collections and practicing Dendrochronologists from across Canada. Updates and news, from the University of Saskatchewan, Canada.

An international scientific association dedicated to dendrochronological research and education.