999 resultados para News Distribution
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Newsletter for the State of Iowa Alcoholic Beverages Division
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Newsletter for the State of Iowa Alcoholic Beverages Division
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We present models predicting the potential distribution of a threatened ant species, Formica exsecta Nyl., in the Swiss National Park ( SNP). Data to fit the models have been collected according to a random-stratified design with an equal number of replicates per stratum. The basic aim of such a sampling strategy is to allow the formal testing of biological hypotheses about those factors most likely to account for the distribution of the modeled species. The stratifying factors used in this study were: vegetation, slope angle and slope aspect, the latter two being used as surrogates of solar radiation, considered one of the basic requirements of F. exsecta. Results show that, although the basic stratifying predictors account for more than 50% of the deviance, the incorporation of additional non-spatially explicit predictors into the model, as measured in the field, allows for an increased model performance (up to nearly 75%). However, this was not corroborated by permutation tests. Implementation on a national scale was made for one model only, due to the difficulty of obtaining similar predictors on this scale. The resulting map on the national scale suggests that the species might once have had a broader distribution in Switzerland. Reasons for its particular abundance within the SNP might possibly be related to habitat fragmentation and vegetation transformation outside the SNP boundaries.
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MAP1a is a microtubule-associated protein with an apparent molecular weight of 360 kDa that is found in the axonal and dendritic processes of neurons. Two monoclonal anti-MAP1a antibodies anti-A and anti-BW6, revealed different epitope distributions in the adult mouse cerebellum. Anti-A stained Purkinje and granule cells uniformly throughout the cerebellum. In contrast, anti-BW6 selectively stained the dendriites of a subset of Purkinje cells, revealing parasagittal bands of immunoreactivity in the molecular layer. The compartmentation of the BW6 epitope was compared to the Purkine cells as revealed by immunostaining with anti-zebrin II, a well known antigen expressed selectively by bands of Purkinje cells. The anti-BW6 staining pattern was complementary to the zebrin II bands, the zebrin II- Purkinjke cells having BW6+ dendrites. These results demonstrate that MAP1a is present in two forms in the mouse cerebellum, one of which is segregated into parasagittal bands. This may indicate a unique MAP1a isoform or may reflect differences in the metabolic states of Purkinje cell classes, and regional differences in their functions.
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Weekly newsletter for the State of Iowa Alcoholic Beverages Division
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Weekly newsletter for the State of Iowa Alcoholic Beverages Division - Extra
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Weekly newsletter for the State of Iowa Alcoholic Beverages Division
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Weekly newsletter for the State of Iowa Alcoholic Beverages Division
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Newsletter produced by the Iowa Information Technology Department
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This is a periodic newsletter for customers, partners, friends and staff of the Iowa Department of Economic Development. It contains brief news items and links for gathering more information.
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Newsletter produced by the Iowa Information Technology Enterprise
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Newsletter produced by the Iowa Information Technology Enterprise
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Newsletter produced by the Iowa Information Technology Department
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Newsletter produced by Iowa Information Technology Department
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Newsletter produced by the Iowa Information Technology Department
