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The model of West, Brown and Enquist showed that total hydraulic resistance in trees can be independent of path length, provided that vascular conduits taper sufficiently. This model assumes that the tree branch network is volume-filling, so that segment lengths increase exponentially from tree top to base. We show that partial buffering of hydraulic(More)
The DNA probe p82H was used to visualize centromeric DNA in micronuclei (MN) of human cells. Slides prepared from cultures treated by the aneugen (causing aneuploidy) colcemid showed significantly more MN with centromeric signals than those treated by the clastogen (causing chromosome breakage) bleomycin. These results indicate that in situ hybridization(More)
The model of West, Brown and Enquist (1999) showed that total hydraulic resistance in trees can be independent of path length, provided that vascular conduits taper sufficiently. The original model defined the coefficient of taper, a bar, in terms of conduit radius and segment number, but segments can be difficult to distinguish in old stems. Adhering(More)
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