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Understanding the nature of species" boundaries is a fundamental question in evolutionary biology. The availability of genomes from several species of the genus Aspergillus allows us for the first time to examine the demarcation of fungal species at the whole-genome level. Here, we examine four case studies, two of which involve intraspecific comparisons,(More)
Ground survey of the present state of arid ecosystems in the Chernye Zemli State Nature Reserve, Kalmykia, Russia, has been performed. The vegetation diversity and the seasonal and year-to-year production of plant communities in reserved areas and pastures are evaluated. Using MODIS and ETM+/Landsat-7 NDVI data products, we have studied areal plant(More)
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