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KMID : 0368420070500030321
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Journal of Plant Biology
2007 Volume.50 No. 3 p.321 ~ p.324
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Relationship between global warming and species richness of vascular plants
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Ihm Byung-Sun
Lee Jeom-Sook
Kim Jong-Wook
Kim Joon-Ho
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Abstract
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We analyzed climatological and geographical variables in 90 countries from the Northern Hemisphere to determine the significant variability of plant species richness as it relates to broad-scale levels of global warming. This variability was quantified by the parameters of temperature and precipitation. Of the 27 temperature variables and 13 precipitation variables, 6 variables had negative influences on species richness while 5 variables had positive impacts. When we estimated the effect of higher temperatures, we found that a 1 or 2°C rise in global warming produced an increase in species richness of 1.6 or 3.2%, respectively.
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KEYWORD
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global warming, maximum temperature, minimum temperature, precipitation, species richness increase
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