Intra-annual ring width and climate response of red pine in Itasca State Park in north-central Minnesota

Author:

Kipfmueller Kurt F.11,Montpellier Evan E.11,Trumper Matthew L.11,Griffin Daniel11

Affiliation:

1. Department of Geography, Environment & Society, University of Minnesota, 414 Social Sciences Building, 267 19th Avenue S, Minneapolis, MN 55455, USA.

Abstract

Red pine (Pinus resinosa Ait.) of northern Minnesota are part of a growing network of tree-ring chronologies aimed at understanding climate dynamics in the Upper Great Lakes Region. Red pine has been widely used in tree-ring studies of fire and climate variability across its range. Earlier studies have relied primarily on total annual ring width. Here we develop annual and subannual (i.e., earlywood, latewood, and adjusted latewood) chronologies from Itasca State Park to refine our understanding of red pine climate response. Our chronologies extend to the early 18th century and display common growth and cross-dating characteristics indicative of a significant common controlling mechanism. We found that total ring width contains dampened attributes reflective of both the temperature-limited earlywood and moisture-dependent latewood chronologies. The strongest relationship between climate and radial growth is between the adjusted latewood chronology and 3-month summer precipitation, suggesting that overall summer wetness rather than any single summer month primarily limits growth. The ability to disaggregate and improve upon the mixed climate signal of red pine highlights the potential of using intra-annual chronologies to strengthen future climate reconstructions. We hope the methodologies demonstrated here serve as a potential guide for future red pine chronology development in the region.

Publisher

Canadian Science Publishing

Subject

Ecology,Forestry,Global and Planetary Change

Reference74 articles.

1. Influence of competition and age on tree growth in structurally complex old-growth forests in northern Minnesota, USA

2. Chapter 21 : Midwest. Impacts, Risks, and Adaptation in the United States: The Fourth National Climate Assessment, Volume II

3. Spatial and temporal variability in dendroclimatic growth response of red pine (Pinus resinosa Ait.) to climate in northern Ontario, Canada

4. Benzie, J.W. 1977. Manager’s handbook for red pine in the north-central states. General Technical Report NC-33. US Department of Agriculture, Forest Service, North Central Forest Experiment Station 33, St. Paul, Minn. Available from https://www.nrs.fs.fed.us/pubs/98.

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