Yvette M. Villegas

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This paper reports a practical application of digitally enhanced Landsat Thematic Mapper (TM) and Enhanced Thematic Mapper Plus (ETM+) data coupled with principal component analysis (PCA) and spectral angle mapping (SAM) techniques to assess changes in vegetation and land condition within the U.S. Army installation at Fort Bliss, Texas. Fort Bliss is(More)
Two strains of Listeria monocytogenes, Scott A (serotype 4b) and Brie 1 (serotype 1b) were characterized in terms of minimum aw requirements for growth at 4 and 30 degrees C, using NaCl, glycerol and sucrose as test solutes. Both strains grew well at 30 degrees C in glycerol-supplemented tryptic soy broth (TSB), but not in NaCl- and sucrose-supplemented TSB(More)
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