Journal of the Alabama Academy of Science articles from August 2008

Journal of the Alabama Academy of Science archives from August 2008

Eastern hemlock decline and persistence of disjunct populations near its southern boundary.
August 1, 2008... ABSTRACT Eastern hemlock (Tsuga canadensis) is a long-lived, shade tolerant tree species that sometimes occurs in pure stands on lower slopes and stream valleys of Appalachian forests in eastern North America. The range of eastern hemlock...

Twentieth century climate change in Alabama.
August 1, 2008... This study uses the United States Historical Climatology Network data set to assess climate change in Alabama over the twentieth century. Ten stations in the state have relatively complete data for this time period, for both temperature and...

Abundance, identification, and prospective participation of bacteria on Gopher tortoise shell degrandation.
August 1, 2008... ABSTRACT Shell degradation has been described, in one species of Gopherus, to be caused by an ingested environmental toxicant, and in another species of the same genus, to be caused by a topical fungus. Both studies document the presence...

Pteridophytes of southeast Alabama: Dichotomous keys, illustrations and distribution maps.
August 1, 2008... ABSTRACT This treatment includes all species of pteridophytes known to occur naturally and those that have become naturalized in southeast Alabama. A total of seventeen families, twenty-nine genera, fifty-nine species, two varieties, and...

Human Perfection through Biotechnology: Should we go for it?
August 1, 2008... The Case Against Perfection: Ethics in the Age of Genetic Engineering, Michael J. Sandel, 128 pages plus Notes and Index. The Belnap Press of Harvard University Press, Cambridge, Massachusetts, 2007. S12.85. Humans have long mystified,...