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Title: Studying the role of wood-decay fungi in calcium cycling on the Penobscot Experimental Forest: a progress report

Author: Shortle, Walter C.; Jellison, Jody; Smith, Kevin T.; Schilling, Jonathan S.;

Date: 2014

Source: In: Kenefic, Laura S.; Brissette, John C., comps. Penobscot Experimental Forest: 60 years of research and demonstration in Maine, 1950-2010. Gen. Tech. Rep. NRS-P-123. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northern Research Station: 147-150.

Publication Series: Paper (invited, offered, keynote)

   Note: This article is part of a larger document. View the larger document

Description: Depletion of essential mineral nutrients from the rooting zone of trees in northern forests may reduce health and productivity. Long-term field investigations coupled with detailed laboratory studies enhance understanding of the biological processes and suggest means to address potential threats. One such investigation by the U.S. Department of Agriculture, Forest Service, in cooperation with the University of Maine, involves the role of wood-decay. fungi in cycling calcium (Ca) and other essential mineral nutrients. The investigation was established on the Penobscot Experimental Forest (Maine) in 1996 and 1997 and replicated in part on the Bartlett Experimental Forest (New Hampshire) in 1995. Some initial findings were: (1) A significant gain in Ca concentration in decaying wood occurred by 6 yr and that gain was sustained through 10 yr; (2) a significant gain in wood potassium was observed at 2 yr, but the gain was not sustained; and (3) observed changes in magnesium concentration in decaying wood were variable. Plans to continue this unique and important long-term study are described in this report.

Keywords: coarse woody debris, forest soil, biogeochemical cycling, Maine

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Citation:


Shortle, Walter C.; Jellison, Jody; Smith, Kevin T.; Schilling, Jonathan S. 2014. Studying the role of wood-decay fungi in calcium cycling on the Penobscot Experimental Forest: a progress report. In: Kenefic, Laura S.; Brissette, John C., comps. Penobscot Experimental Forest: 60 years of research and demonstration in Maine, 1950-2010. Gen. Tech. Rep. NRS-P-123. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northern Research Station: 147-150.

 


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