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| Web URL(s): | http://www.nrcresearchpress.com/doi/pdf/10.1139/b89-378
Last checked: 09/29/2015
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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| Publication Type:
| Refereed |
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| Author(s): | Epp, Gary A.;
Aarssen, L. W. |
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| Author Affiliation: | Dept. of Biology, Queen's University, Kingston, Ontario, Canada. |
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| Title: | Predicting Vegetation Patterns from Attributes of Plant Growth in Grassland Species |
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| Source: | Canadian Journal of Botany. Vol. 67, No. 10, October 1989, p. 2953-2959. |
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| Publishing Information: | Vancouver, British Columbia: The National Research Council of Canada |
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| # of Pages: | 7 |
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| Related Web URL: | http://www.nrcresearchpress.com/doi/abs/10.1139/b89-378
Last checked: 09/29/2015
Notes: English abstract only |
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| Keywords: | TIC Keywords: Growth studies; Grassland soils; Distribution patterns; Poa pratensis; Agrostis stolonifera; Elymus repens; Trifolium pratense; Hieracium; Potentilla; Vicia cracca; Taraxacum officinale; Competition; Height; Seed weight; Lateral growth; Growth rate
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| Abstract/Contents: | "This study examined the relationship between vegetation patterns at three spatial scales and five plant-growth attributes that were suspected to affect competitive ability in 10 species collected from two hayfield plots of diffferent ages (cultivated in 1974 and 1984). Relative abundance of species at the plot scale (30 X 100 m) showed no relationship with any of the attributes. Species diversity within 1 x 1 m quadrats, however, had a significant negative relationship with mean seed weight in the 1984 plot and a significant negative relationship with mean plant height, mean lateral spread, mean growth rate, and "potential growth index" (combining all five attributes) in the 1974 plot. Multiple regression analysis indicated that the relationship between the five plant attributes and species diversity within the 1 x 1 m quadrats was stronger for the older (1974) (r2 = 0.67) than for the younger plot (r2 = 0.32). These data suggest that (1) the role of "competitive ability" attributes in affecting community structure becomes more evident in later stages of community development, (ii) different attributes may affect competitive ability at different stages of grassland community development, and (iii) the consequences of attribute difference among species may be revealed only in patterns at the local neighbourhood scale within vegetation." |
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| Language: | English |
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| References: | 41 |
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| Note: | Abstract also appears in French
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Epp, G. A., and L. W. Aarssen. 1989. Predicting Vegetation Patterns from Attributes of Plant Growth in Grassland Species. Can. J. Bot. 67(10):p. 2953-2959. |
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| Web URL(s):
http://www.nrcresearchpress.com/doi/pdf/10.1139/b89-378
Last checked: 09/29/2015
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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MSU catalog number: QK 1 .C3 |
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