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Web URL(s): | http://www.jstor.org/stable/pdf/2648365.pdf Last checked: 10/06/2015 Requires: PDF Reader Access conditions: Item is within a limited-access website |
Publication Type:
| Refereed |
Author(s): | Foster, Bryan L. |
Author Affiliation: | W. K. Kellogg Biological Station and Michigan State University, Hickory Corners, MI |
Title: | Establishment, competition and the distribution of native grasses among Michigan old-fields |
Source: | Journal of Ecology. Vol. 87, No. 3, June 1999, p. 476-489. |
Publishing Information: | Blackwell Scientific Publications |
# of Pages: | 12 |
Keywords: | TIC Keywords: Grasslands; Native North American grasses; Reestablishment; Competition; Ecology; Andropogon gerardii; Schizachyrium scoparium; Sorghastrum nutans
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Abstract/Contents: | "In this study the potential role of competition in influencing the distribution of three displaced native perennial grasses across complex gradients of plant productivity and species composition was investigated in Michigan old-fields. To do this plant removal and propagule addition experiments were coducted at nine old-field sites to examine the effects of living plant neighbours and litter on seedling establishment and growth of target species in relation to community biomass. For two target species, Andropogon gerardi and Schizachyrium scoparium, living plant neighbours suppressed establishment from seed at most sites, and suppressed the growth of transplants at all sites. Plant litter strongly inhibited the seedling establishment of both Andropogon and Schizachyrium at sites of high community biomass and litter accumulation, but had little impact on the growth rate of transplants at any of the sites. The total suppressive effect of the plant community on seedling establishment and transplant growth of both Agropogon and Schizachyrium increased in magnitude in a non-linear fashion with community biomass. These effects increased in magnitude more rapidly across sites of low to medium biomass than sites of medium to high biomass. The results suggest that these native grasses may be restricted to low productivity habitats within this landscape because of strong competitive interference with establishment by existing vegetation in the most productive sites." |
Language: | English |
References: | 48 |
Note: | Figures Tables Graphs |
| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete): Foster, B. L. 1999. Establishment, competition and the distribution of native grasses among Michigan old-fields. J. Ecol. 87(3):p. 476-489. |
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| Web URL(s): http://www.jstor.org/stable/pdf/2648365.pdf Last checked: 10/06/2015 Requires: PDF Reader Access conditions: Item is within a limited-access website |
| MSU catalog number: QH 540 .J6 |
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