Table 2.

Significant breakpoints in the data series detected with the Penalized Maximal F test.

Pollen taxa	Significant breaks	Pollen taxa	Significant breaks
Alnus	1988	Picea	2003
Taxus/Cupressaceae	2000	Poaceae	2001
Fraxinus	2002	Urticaceae	1994
Betula	1999	Plantago	1984
Quercus	1995	Rumex	1986
Pinus	2002	Ambrosia	1987