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Aboveground Production and N and P Cycling Along a Nitrogen Mineralization Gradient on Blackhawk Island, Wisconsin
Abstract
Net aboveground production (4.1—9.5 Mg°ha—1) across a series of edaphic climax forests was highly correlated with field measurements of soil N mineralization (26—84 kg°ha—1°yr—1; r 2 = 0.902, P < .001) and with soil silt + clay content (5—74%; r 2 = 0.883, P < .001). Soil N mineralization was positively correlated with litter production and N and P return in litter. Soil N mineralization was negatively correlated with litter C:N and C:P ratios and with efficiency of P use in litter production. Efficiency of N use in litter production declined with increasing N mineralization except for inefficient use of N in a hemlock stand at low N mineralization. Changes of litter quality across the mineralization—soil texture gradient were due to species replacement rather than changes in litter quality within each species. Nitrification was not correlated with aboveground production. Both mineralization and nitrification were highly correlated with humus P content. Differences in nitrification among the soils appeared to be related to PO 4—P supply in the spring and early summer and to NH 4—N supply in mid— to late summer.
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Citations
Cited by
Nitrogen mineralization: Challenges of a changing paradigm
Schimel, J. P., & Bennett, J. (2004) · Ecology · doi:10.1890/03-8002 · Cited by 2,511
Nitrogen Saturation in Northern Forest Ecosystems
Aber, J. D., Nadelhoffer, K. J., Steudler, P., & Melillo, J. M. (1989) · BioScience · doi:10.2307/1311067 · Cited by 2,373
Self-citationBiodiversity and stability in grasslands
Tilman, D., & Downing, J. A. (1994) · Nature · doi:10.1038/367363a0 · Cited by 2,119
Effects of plant species on nutrient cycling
Hobbie, S. E. (1992) · Trends in Ecology & Evolution · doi:10.1016/0169-5347(92)90126-v · Cited by 1,242
Dynamics of Gross Nitrogen Transformations in an Old‐Growth Forest: The Carbon Connection
Hart, S. C., Nason, G. E., Myrold, D. D., & Perry, D. A. (1994) · Ecology · doi:10.2307/1939413 · Cited by 734
Metadata
- Authors
- Pastor, J., Aber, J. D., McClaugherty, C. A., & Melillo, J. M.
- Venue
- Ecology
- Publisher
- Wiley
- Published
- 1984-02
- Volume
- 65
- Issue
- 1
- Pages
- 256-268
- ISSN
- 0012-9658 (ISSN-L)
- 1939-9170
- OpenAlex
- W2073532802
- Cited by
- 826
- References
- 0
- FWCI
- 36.06
- Type
- journal article
- Language
- en
- Open access
- closed
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- Pastor, J., Aber, J. D., McClaugherty, C. A., & Melillo, J. M. (1984). Aboveground Production and N and P Cycling Along a Nitrogen Mineralization Gradient on Blackhawk Island, Wisconsin. Ecology. https://doi.org/10.2307/1939478
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