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Title: Wood-inhabiting, polyporoid fungi in aspen-dominated forests managed for biomass in the U.S. Lake States

Author: Brazee, Nicholas J.; Lindner, Daniel L.; Fraver, Shawn; D'Amato, Anthony W.; Milo, Amy M.

Year: 2012

Publication: Fungal Ecology. 5: 600-609.

Abstract: To better understand the potential long-term effects of biomass harvesting on biodiversity, the polyporoid fungi community was characterized from 120 plots in four aspen-dominated forests in Minnesota. Four deadwood variables (substratum species, substratum type, decay class and diameter class) were recorded for each polyporoid species occurrence. A total of 2358 polyporoid occurrences, representing 86 species, were recorded on 16 tree species. Eight species (Trichaptum biforme, Bjerkandera adusta, Trametes hirsuta, Phellinus tremulae, Fomes fomentarius, Irpex lacteus, Fomitopsis ochracea and Antrodia serialis) made up 67 % of occurrences. Four polyporoid species (Funalia trogii, Pycnoporellus fulgens, Rigidoporus crocatus and Skeletocutis chrysella) are potentially rare and/or threatened in the Lake States. Non-metric multidimensional scaling and rarefaction curves demonstrated that small diameter substrata (especially those <5 cm) most strongly influenced polyporoid species occurrences. Aspen-dominated systems show great potential for biomass production, but these forests also support a species-rich community of polyporoid fungi, including potentially rare species.

Last Modified: 8/3/2012

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