This Article Full Text (PDF) References Alert me when this article is cited Alert me if a correction is posted Citation Map Services Email this article to a friend Similar articles in this journal Alert me to new issues of the journal Add to Saved Citations Download to citation manager Request Permissions Request Reprints Add to My Marked Citations Citing Articles Citing Articles via HighWire Citing Articles via Google Scholar Citing Articles via Scopus Google Scholar Articles by Calcote, R. Search for Related Content GeoRef GeoRef Citation Social Bookmarking                         What's this?

Identifying forest stand types using pollen from forest hollows

Department of Ecology, Evolution and Behavior, University of Minnesota, 100 Ecology Bld., St Paul, MN 55108, USA

Methods of interpreting pollen assemblages in sediment were examined using surface samples from 66 small forest hollows in Michigan and Wisconsin. All canopy trees in the surrounding 50 m were measured to provide detailed information about the source vegetation of each surface pollen assemblage. Basal area of trees in each forest sample was used to classify them into six stand types: hemlock-dominated, sugar maple/hemlock mixed, sugar maple-dominated, and ash-, oak-, and pine-dominated stands. Various statistical procedures were tested to learn which was most successful in sorting the pollen assemblages into appropriate vegetation groups. Two ordination techniques – detrended correspondence analysis (DCA) and canonical variate analysis (CVA) – give similar overall results, although CVA more successfully separated assemblages from hemlock stands from those of sugar maple-dominated stands. Squared chord distance,0.05 also successfully identified samples from the same forest type. After stand dominants have been identified from pollen assem blages using multivariate methods, a further determination of stand composition is sometimes possible using ratios of pollen counts of individual taxa. Ratios can be calibrated by comparison with species abundances around surface samples. For instance, ratios of pine to hemlock pollen can indicate the abundance of pine within a stand dominated by hemlock, whereas pine pollen percentages alone are affected by variable abundance of other species.

Key Words: Canonical variate analysis (CVA) • squared chord distance • detrended correspondence analysis (DCA) • forest dynamics • forest hollows • modern analogue technique • palaeoecology • pollen analysis • pollen ratios • pollen surface samples

The Holocene, Vol. 8, No. 4, 423-432 (1998)
DOI: 10.1191/095968398670894847


CiteULike    Complore    Connotea    Del.icio.us    Digg    Reddit    Technorati    Twitter    What's this?

This article has been cited by other articles:

				A.E. Bjune, M. Ohlson, H.J.B. Birks, and R.H.W. Bradshaw The development and local stand-scale dynamics of a Picea abies forest in southeastern Norway The Holocene, November 1, 2009; 19(7): 1073 - 1082. [Abstract] [PDF]

				M.J. Bunting and R. Middleton Equifinality and uncertainty in the interpretation of pollen data: the Multiple Scenario Approach to reconstruction of past vegetation mosaics The Holocene, August 1, 2009; 19(5): 799 - 803. [Abstract] [PDF]

				S. Sugita Theory of quantitative reconstruction of vegetation I: pollen from large sites REVEALS regional vegetation composition The Holocene, February 1, 2007; 17(2): 229 - 241. [Abstract] [PDF]

				S. Sugita, T. Parshall, and R. Calcote Detecting differences in vegetation among paired sites using pollen records The Holocene, December 1, 2006; 16(8): 1123 - 1135. [Abstract] [PDF]

				D. E. Lytle Palaeoecological evidence of state shifts between forest and barrens on a Michigan sand plain, USA The Holocene, September 1, 2005; 15(6): 821 - 836. [Abstract] [PDF]

				D. G. Gavin, L. B. Brubaker, J. S. McLachlan, and W. W. Oswald Correspondence of pollen assemblages with forest zones across steep environmental gradients, Olympic Peninsula, Washington, USA The Holocene, July 1, 2005; 15(5): 648 - 662. [Abstract] [PDF]

				D. E. Lytle and E. R. Wahl Palaeoenvironmental reconstructions using the modern analogue technique: the effects of sample size and decision rules The Holocene, May 1, 2005; 15(4): 554 - 566. [Abstract] [PDF]

				P. E. Higuera, D. G. Sprugel, and L. B. Brubaker Reconstructing fire regimes with charcoal from small-hollow sediments: a calibration with tree-ring records of fire The Holocene, February 1, 2005; 15(2): 238 - 251. [Abstract] [PDF]

				M. J. Bunting, M.-J. Gaillard, S. Sugita, R. Middleton, and A. Brostrom Vegetation structure and pollen source area The Holocene, July 1, 2004; 14(5): 651 - 660. [Abstract] [PDF]

				H. Seppa and K.D. Bennett Quaternary pollen analysis: recent progress in palaeoecology and palaeoclimatology Progress in Physical Geography, December 1, 2003; 27(4): 548 - 579. [Abstract] [PDF]

				R. Calcote and R. Calcote Mid-Holocene climate and the hemlock decline: the range limit of Tsuga canadensis in the western Great Lakes region, USA The Holocene, February 1, 2003; 13(2): 215 - 224. [Abstract] [PDF]

				T. Parshall, T. Parshall, and R. Calcote Effect of pollen from regional vegetation on stand-scale forest reconstruction The Holocene, January 1, 2001; 11(1): 81 - 87. [Abstract] [PDF]