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| DOI: | 10.2307/2402123 |
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| Web URL(s): | http://www.jstor.org/stable/2402123
Last checked: 04/23/2014
Access conditions: Item is within a limited-access website
http://www.jstor.org/stable/pdfplus/2402123.pdf?acceptTC=true
Last checked: 04/23/2014
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| Publication Type:
| Refereed |
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| Author(s): | Hunter, R. F.;
Grant, Sheila A. |
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| Author Affiliation: | Hill Farming Research Organisation, Edinburgh; Hunter: Grange Mouse, Burnt Island, Fife |
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| Title: | The effect of altitude on grass growth in East Scotland |
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| Source: | Journal of Applied Ecology. Vol. 8, No. 1, April 1971, p. 1-19. |
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| Publishing Information: | Oxford, England, United Kingdom: Blackwell Scientific Publications |
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| # of Pages: | 19 |
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| Related Web URL: | http://www.jstor.org/stable/info/2402123
Last checked: 04/23/2014
Notes: Abstract only |
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| Keywords: | TIC Keywords: Altitude; Environmental factors; Fertility; Growth analysis; Growth factors; Lolium perenne; Regional variation
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| Geographic Terms: | East Scotland |
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| Abstract/Contents: | "An experiment was designed to evaluate the effect of the climatic component of altitude on grass growth. A number of genotypes of S.23 perennial rye grass were grown in boxes sited at approximately 250 ft intervals in a series of altitudinal transects. Two soil types were employed. The transects were sited on south-facing slopes and the sites within each transect were levelled. The range of altitude studied varied from 500-2250 ft. Biological and meteorological data were collected over a 4-year period. Floral development of the grasses was on average delayed by 1.3 days/100 ft altitudinal increase and yield over the year as a whole diminished by some 2% for each 100 ft. The magnitude of the altitude effect on yield varied with season. In spring yields were decreased by some 5% for each 100 ft rise in altitude and in autumn by 1.8%. In summer yield trends were non-significant or reversed, highest yields sometimes occurring at the higher altitudes. This result was related to the development of moisture stress at lower altitudes. The altitude response was modified by the soil type employed, a result thought to be associated with the different soil moisture conditions of the two soils used. The weight of evidence indicates that the effect of altitude on plant growth in spring and early summer is quadratic, the climatic variable of importance in this respect being temperature. The most pronounced effect of altitude occurs where the mean temperature is near the cardinal temperature for plant growth. As the temperature rises towards the optimum for plant growth the altitudinal effect diminishes. Exposure was of importance. Increasing exposure in normally associated with decreasing temperature and it is difficult to assess the separate contribution of these two environmental factors. Where unduly exposed sites occurred at low elevations growth was always reduced. The agronomic implications and ecological significance of the results are discussed." |
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| Language: | English |
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| References: | 13 |
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| Note: | Figures
Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Hunter, R. F., and S. A. Grant. 1971. The effect of altitude on grass growth in East Scotland. J. Appl. Ecol. 8(1):p. 1-19. |
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| DOI: 10.2307/2402123 |
| Web URL(s):
http://www.jstor.org/stable/2402123
Last checked: 04/23/2014
Access conditions: Item is within a limited-access website
http://www.jstor.org/stable/pdfplus/2402123.pdf?acceptTC=true
Last checked: 04/23/2014
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
| 
MSU catalog number: b2223163 |
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