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This study explored the persistence and spatial distribution of a diverse Archaeal assemblage inhabiting a temperate mixed forest ecosystem. Persistence under native conditions was measured from 2001 to 2010, 2011, and 2012 by comparison of 16S rRNA gene clone libraries. The Archaeal assemblages at each of these time points were found to be significantly(More)
1. Distribution patterns for the movement of solutes in the phloem from leaves of pea plants were found to be relatively specific. Phosphorus-32 applied to the leaf at the first bloom node moved predominantly (to the extent of 50 to 90 per cent) to the pod at that node. Distribution of the translocate from this leaf to pods at higher nodes was negligible.(More)
DNA fingerprinting methods provide a means to rapidly compare microbial assemblages from environmental samples without the need to first cultivate species in the laboratory. The profiles generated by these techniques are able to identify statistically significant temporal and spatial patterns, correlations to environmental gradients, and biological(More)
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