Mycorrhizal fungi supply nitrogen to host plants in Arctic tundra and boreal forests: ^sup 15^N is the key signal

• Published in: Canadian journal of microbiology Vol. 55; no. 1; p. 84
• Main Authors: Hobbie, John E, Hobbie, Erik A, Drossman, Howard, Conte, Maureen, Weber, J C, Shamhart, Julee, Weinrobe, Melissa
• Format: Journal Article
• Language: English
• Published: Ottawa Canadian Science Publishing NRC Research Press 01.01.2009
• Subjects: Amino acids; Boreal forests; Flowers & plants; Foliage; Forest ecosystems; Forest soils; Forests; Fungi; Host plants; Microbiology; Nitrogen; Organic matter; Polymers; Soil organic matter; Soils; Temperate forests; Tundra; Understory; Canada; Yukon River

Symbiotic fungi's role in providing nitrogen to host plants is well-studied in tundra at Toolik Lake, Alaska, but littlestudied in the adjoining boreal forest ecosystem. Along a 570 km north-south transect from the Yukon River to the North Slope of Alaska, the ...N content was strongly reduced...