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| Web URL(s): | http://www.jstor.org/stable/pdfplus/2258986.pdf
Last checked: 08/09/2012
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): | Pemadasa, M. A.;
Greig-Smith, P.;
Lovell, P. H. |
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| Author Affiliation: | School of Plant Biology, University College of North Wales, Bangor, Caerns |
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| Title: | A quantitative description of the distribution of annuals in the dune system at Aberffraw, Anglesey |
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| Source: | Journal of Ecology. Vol. 62, No. 2, July 1974, p. 379-402. |
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| # of Pages: | 24 |
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| Related Web URL: | http://www.jstor.org/stable/info/2258986
Last checked: 08/09/2012
Notes: Abstract only |
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| Keywords: | TIC Keywords: Festuca rubra subsp. rubra; Morphology
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| Geographic Terms: | UK |
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| Abstract/Contents: | "The distribution of species, particularly the annuals, within the dune system at Aberffraw, Anglesey, is described using ordination and pattern analyses. Ordination showed that the maximal vegetational variation was related to the soil moisture regime. Total nitrogen, extractable phosphorus and exchangeable potassium showed a slight trend from the low dunes to fixed blow-outs, and this was attributed to a leaching gradient. The overall distribution of the annuals, which were rare or absent in wet slacks, appeared to be controlled by the moisture status of soil. Pattern analysis of six annuals, Aira praecox, Cerastium atrovirens, Erophila verna, Mibora minima, Saxifraga tridactylites and Vulpia membranacea, and of Festuca rubra showed two scales of pattern. The primary scale of pattern of the annuals is attributed to restricted seed dispersal, and of F. rubra to its morphology. The secondary scale of pattern of F. rubra, which is relatively more abundant in hollows than on hummocks, is related to soil microtopography, whereas that of the annuals is interpreted as an inverse pattern imposed upon them by the pattern of F. rubra." |
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| Language: | English |
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| References: | 35 |
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| Note: | Figures
Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Pemadasa, M. A., P. Greig-Smith, and P. H. Lovell. 1974. A quantitative description of the distribution of annuals in the dune system at Aberffraw, Anglesey. J. Ecol. 62(2):p. 379-402. |
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| Web URL(s):
http://www.jstor.org/stable/pdfplus/2258986.pdf
Last checked: 08/09/2012
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
| 
MSU catalog number: QH 540 .J6 |
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