Full TGIF Record # 85729
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DOI:10.1046/j.1365-2745.2003.00746.x
Web URL(s):http://onlinelibrary.wiley.com/doi/10.1046/j.1365-2745.2003.00746.x/pdf
    Last checked: 11/01/2013
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Publication Type:
i
Refereed
Author(s):Herben, Tomáš; Krahulec, František; Hadincová, Věra; Pecháčková, Sylvie; Wildová, Radka
Author Affiliation:Herben, Krahulec, Hadincová, Pecháčková and Wildová: Institute of Botany, Academy of Sciences of the Czech Republic, Pr^Douhonice; Herben: Department of Botany, Faculty of Science, Charles University, Praha 2, Czech Republic
Title:Year-to-year variation in plant competition in a mountain grassland
Source:Journal of Ecology. Vol. 91, No. 1, February 2003, p. 103-113.
Publishing Information:Blackwell Scientific Publications
# of Pages:11
Related Web URL:http://onlinelibrary.wiley.com/doi/10.1046/j.1365-2745.2003.00746.x/abstract
    Last checked: 11/01/2013
    Notes: Abstract only
Keywords:TIC Keywords: Alpine climate; Biomass determination; Climatic factors; Comparisons; Competition; Environmental factors; Evaluative methods; Festuca rubra; Growth analysis; Methodology; Physiological responses; Shoot density
Abstract/Contents:"We used a series of removal experiments to examine how species response to competition and climatic differences varied in three different years. We tested the interaction between removal of the dominant grass species, Festuca rubra, and year-to-year environmental variation in a mown mountain grassland. In each year, we quantified shoot frequency and above-ground biomass of all remaining plant species. Above-ground responses were tested both by analysis of covariance and by redundancy analysis with randomization tests of changes in total species composition. Analysis of above-ground biomass data showed that other species compensated for the removal of F. rubra biomass within 2 years and that the response in total biomass of the community did not differ among years in which the experiment was started. Multivariate tests showed that species compostition changed as a result of the removal; grass biomass and frequency increased more than that of dicotyledons. However, response of species composition to removal of F. rubra was significantly different between onset years. Specific conditions in individual years thus affect the competitive ability of individual species in a non-additive way. Our results indicate that the year-to-year variation at the site has the potential to affect species coexistence and richness. As a consequence, year-to-year variation of climatic parameters may be an important driving factor in community dynamics and should be taken into account in studies of ecosystem response to climate."
Language:English
References:59
Note:Summary appears as abstract
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ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Herben, T., F. Krahulec, V. Hadincová, S. Pecháčková, and R. Wildová. 2003. Year-to-year variation in plant competition in a mountain grassland. J. Ecol. 91(1):p. 103-113.
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DOI: 10.1046/j.1365-2745.2003.00746.x
Web URL(s):
http://onlinelibrary.wiley.com/doi/10.1046/j.1365-2745.2003.00746.x/pdf
    Last checked: 11/01/2013
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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MSU catalog number: QH 540 .J6
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