Geology, soils and vegetation of Blackhawk Island, Wisconsin.

J. Pastor, J. D. Aber, C. A. McClaugherty, J. M. Melillo

Research output: Contribution to journalArticle

27 Citations (Scopus)

Abstract

Blackhawk Island, in the Wisconsin River in SW Wisconsin, supports a wide variety of forest communities on several soil types. The soils form a gradient of moisture and N availability. Pines (Pinus strobus, P. resinosa) are dominant on sandy soils with low N mineralization and nitrification; oaks (Quercus borealis, Q. alba) are dominant on sandy clay-loams and silt loams with moderate N mineralization and nitrification, and sugar maple Acer saccharum is dominant on silty clay-loams with high N mineralization and nitrification. Species replacement along this gradient results in an increase in continuum index that is strongly related to the increase in N mineralization, nitrification, silt + clay content and P content of the soils. Two communities not on this gradient are: 1) aspen Populus grandidentata on plowed silt loam with low N mineralization and nitrification and 2) hemlock Tsuga canadensis on organic soil with low N mineralization and nitrification.-from Authors

Original languageEnglish (US)
Pages (from-to)266-277
Number of pages12
JournalAmerican Midland Naturalist
Volume108
Issue number2
DOIs
StatePublished - Jan 1 1982

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geology
nitrification
mineralization
vegetation
silt
soil
clay
Wisconsin River
Populus grandidentata
Pinus resinosa
Tsuga canadensis
sandy clay
Pinus strobus
Quercus alba
Quercus rubra
Acer saccharum
Acer saccharum subsp. saccharum
silty clay
forest communities
loam

Cite this

Geology, soils and vegetation of Blackhawk Island, Wisconsin. / Pastor, J.; Aber, J. D.; McClaugherty, C. A.; Melillo, J. M.

In: American Midland Naturalist, Vol. 108, No. 2, 01.01.1982, p. 266-277.

Research output: Contribution to journalArticle

Pastor, J. ; Aber, J. D. ; McClaugherty, C. A. ; Melillo, J. M. / Geology, soils and vegetation of Blackhawk Island, Wisconsin. In: American Midland Naturalist. 1982 ; Vol. 108, No. 2. pp. 266-277.
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