Tundra plant uptake of amino acid and NH4+ nitrogen in situ: Plants compete well for amino acid N

Ecology

Volumn 77, Issue 7, 1996, Pages 2142-2147

  Schimel, Joshua P ^a,c   Stuart Chapin III, F ^b  

^a UNIVERSITY OF ALASKA FAIRBANKS   (United States)

^b UNIVERSITY OF CALIFORNIA   (United States)

^c UNIVERSITY OF CALIFORNIA   (United States)

Author keywords

Amino acids; Arctic; N cycling; N uptake; Tundra; Tussock tundra; Wet meadow

Indexed keywords

EID: 0000107011     PISSN: 00129658     EISSN: None     Source Type: Journal    
DOI: 10.2307/2265708     Document Type: Article

References (18)

1. Bliss, L. C., and N. V. Matveyeva. 1992. Circumpolar arctic vegetation. Pages 59-89 in F. S. Chapin, III, R. L. Jeffries, J. F. Reynolds, G. R. Shaver, J. Svoboda, editors. Arctic ecosystems in a changing climate. Academic Press, San Diego, California, USA.
2. Brookes, P. C., A. Landman, G. Pruden, and D. S. Jenkinson. 1985. Chloroform fumigation and the release of soil nitrogen: a rapid direct extraction method to measure microbial biomass nitrogen in soil. Soil Biology Biochemistry 17:837-842.
3. Brooks, P. D., J. Stark, B. B. McInter, and T. Preston. 1989. Diffusion method to prepare soil extracts for automated nitrogen-15 analysis. Soil Science Society America Journal 53:1707-1711.
4. Chapin, F. S., N. Fetcher, K. Kielland, K. R. Everett, and A. E. Linkins. 1988. Productivity and nutrient cycling of Alaskan tundra: enhancement by flowing water. Ecology 69:693-702.
5. Chapin, F. S., L. Moilanen, and K. Kielland. 1993. Preferential use of organic nitrogen for growth by a non-mycorrhizal arctic sedge. Nature 361:150-153.
6. Cheng, W., and D. C. Coleman. 1990. Effect of living roots on soil organic matter decomposition. Soil Biology Biochemistry 22:781-787.
7. Clarholm, M. 1985. Interactions of bacteria, protozoa, and plants leading to mineralization of soil nitrogen. Soil Biology Biochemistry 17:181-187.
8. Díaz, S., J. P. Grime, J. Harris, and E. McPherson. 1993. Evidence of a feedback mechanism limiting plant response to elevated carbon dioxide. Nature 364:616-617.
9. Giblin, A. E., K. J. Nadelhoffer, G. R. Shaver, J. A. Laundre, and A. J. McKerrow. 1991. Biogeochemical diversity along a riverside toposcquence in arctic Alaska. Ecological Monographs 61:415-435.
10. Kielland, K. 1994. Amino acid absorption by arctic plants: implications for plant nutrition and nitrogen cycling. Ecology 75:2373-2383.
11. Mary, B., C. Fresneau, J. L. Morel, and A. Mariotti. 1993. C and N cycling during decomposition of root mucilage, roots, and glucose in soil. Soil Biology Biochemistry 25:1005-1014.
12. Mazelis, M. 1980. Amino acid catabolism. In B. J. Miflin, editor. The biochemistry of plants. Volume 5. Amino acids and derivatives. Academic Press, New York, New York, USA.
13. Read, D. J. 1991. Mycorrhizas in ecosystems. Experimentia 47:376-391.
14. Robinson, D., B. Griffiths, K. Ritz, and R. Wheatly. 1989. Root-induced nitrogen mineralization: a theoretical analysis. Plant Soil 117:185-193.
15. Schimel, J. P. 1995. Ecosystem consequences of microbial diversity and community structure. Pages 239-254 in F. S. Chapin and C. Körner, editors. Arctic and alpine biodiversity. Springer-Verlag, New York, New York, USA.
16. Schimel, J. P., K. Kielland, and F. S. Chapin, III. 1996. Nutrient availability and uptake by tundra plants. Pages 203-221 in J. F. Reynolds and J. D. Tenhunen, editors. Landscape function: implications for ecosystem response to disturbance; a case study in arctic tundra. Springer-Verlag, New York, New York, USA.
17. Tate, R. L., R. W. Parmelee, J. G. Ehrenfeld, and L. O'Reilly. 1991. Nitrogen mineralization: root and microbial interactions in pitch pine microcosms. Soil Science Society America Journal 55:1004-1008.
18. 2 and feedback between carbon and nitrogen cycles. Plant Soil 151:105-117.