Is there a trade-off between species diversity and genetic diversity in forest tree communities?

摘要: The two most important components of biodiversity, species diversity and genetic diversity, have generally been treated as separate topics, although a coordination between both is believed to be critical for ecosystem stability resilience. Based on new trait concept that allows the assessment across species, relationship was examined in eight forest tree communities composed different genera including climax pioneer species. It intended check whether trade-off exists found few studies animal Using several isozyme-gene systems markers, within each determined by measures, commonly used intraspecific averaged over recently developed transspecific per Both data sets were compared with corresponding community-specific resulting positive components. A statistically significant correlation established three systems. Beyond that, consistent results obtained using parameters measure which characterize total, effective number prevalent variants. variants reflected significantly non-randomness observed patterns. These findings can explained observation reveal far higher than means an increase due addition at expense one or goes along level diversity. Forest highest degree exhibit therefore This result discussed regard particular composition communities.