Soil fertility limits carbon sequestration by forest ecosystems in a CO2-enriched atmosphere
dc.contributor.author | Oren, Ram | en_US |
dc.contributor.author | Ellsworth, David S. | en_US |
dc.contributor.author | Johnsen, Kurt H. | en_US |
dc.contributor.author | Phillips, N. | en_US |
dc.contributor.author | Ewers, B. E. | en_US |
dc.contributor.author | Maier, C. | en_US |
dc.contributor.author | Schafer, K. V. R. | en_US |
dc.contributor.author | McCarthy, H. | en_US |
dc.contributor.author | Hendrey, G. R. | en_US |
dc.contributor.author | McNulty, S. G. | en_US |
dc.contributor.author | Katul, Gabriel G. | en_US |
dc.date.accessioned | 2009-06-01T17:21:34Z | |
dc.date.available | 2009-06-01T17:21:34Z | |
dc.date.issued | 2001-05-24 | en_US |
dc.identifier.citation | Oren, R; Ellsworth, DS; Johnsen, KH; Phillips, N; Ewers, BE; Maier, C; Schafer, KVR; McCarthy, H; Hendrey, G; McNulty, SG; Katul, GG. (2001) "Soil fertility limits carbon sequestration by forest ecosystems in a CO2-enriched atmosphere." Nature 411(6836): 469-472. <http://hdl.handle.net/2027.42/62517> | en_US |
dc.identifier.issn | 0028-0836 | en_US |
dc.identifier.uri | https://hdl.handle.net/2027.42/62517 | |
dc.identifier.uri | http://www.ncbi.nlm.nih.gov/sites/entrez?cmd=retrieve&db=pubmed&list_uids=11373677&dopt=citation | en_US |
dc.description.abstract | Northern mid-latitude forests are a large terrestrial carbon sink(1-4). Ignoring nutrient limitations, large increases in carbon sequestration from carbon dioxide (CO2) fertilization are expected in these forests(5). Yet, forests are usually relegated to sites of moderate to poor fertility, where tree growth is often limited by nutrient supply, in particular nitrogen(6,7). Here we present evidence that estimates of increases in carbon sequestration of forests, which is expected to partially compensate for increasing CO2 in the atmosphere, are unduly optimistic(8). In two forest experiments on maturing pines exposed to elevated atmospheric CO2, the CO2-induced biomass carbon increment without added nutrients was undetectable at a nutritionally poor site, and the stimulation at a nutritionally moderate site was transient, stabilizing at a marginal gain after three years. However, a large synergistic gain from higher CO2 and nutrients was detected with nutrients added. This gain was even larger at the poor site (threefold higher than the expected additive effect) than at the moderate site (twofold higher). Thus, fertility can restrain the response of wood carbon sequestration to increased atmospheric CO2. Assessment of future carbon sequestration should consider the limitations imposed by soil fertility, as well as interactions with nitrogen deposition. | en_US |
dc.format.extent | 307964 bytes | |
dc.format.extent | 2489 bytes | |
dc.format.mimetype | application/octet-stream | |
dc.format.mimetype | text/plain | |
dc.publisher | Macmillan Publishers Ltd. | en_US |
dc.source | Nature | en_US |
dc.title | Soil fertility limits carbon sequestration by forest ecosystems in a CO2-enriched atmosphere | en_US |
dc.type | Article | en_US |
dc.subject.hlbtoplevel | Science | en_US |
dc.description.peerreviewed | Peer Reviewed | en_US |
dc.contributor.affiliationum | Univ Michigan, Sch Nat Resources & Environm, Ann Arbor, MI 48109 USA | en_US |
dc.contributor.affiliationother | Duke Univ, Nicholas Sch Environm & Earth Sci, Durham, NC 27708 USA | en_US |
dc.contributor.affiliationother | Brookhaven Natl Lab, Dept Environm Sci, Upton, NY 11973 USA | en_US |
dc.contributor.affiliationother | US Forest Serv, So Res Stn, Res Triangle Pk, NC 27709 USA | en_US |
dc.contributor.affiliationother | Boston Univ, Dept Geog, Boston, MA 02215 USA | en_US |
dc.contributor.affiliationother | US Forest Serv, So Global Climate Change Program, Raleigh, NC 27606 USA | en_US |
dc.identifier.pmid | 11373677 | en_US |
dc.description.bitstreamurl | http://deepblue.lib.umich.edu/bitstream/2027.42/62517/1/411469a0.pdf | |
dc.identifier.doi | http://dx.doi.org/10.1038/35078064 | en_US |
dc.identifier.source | Nature | en_US |
dc.owningcollname | Interdisciplinary and Peer-Reviewed |
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