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Social and Behavioral Sciences Commons™
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Articles 1 - 4 of 4
Full-Text Articles in Social and Behavioral Sciences
History Of The Non-Spanish Antilles, Andrew Sluyter
History Of The Non-Spanish Antilles, Andrew Sluyter
Faculty Publications
No abstract provided.
New Mexico's Spanish Livestock Heritage: Four Centuries Of Animals, Land, And People., Andrew Sluyter
New Mexico's Spanish Livestock Heritage: Four Centuries Of Animals, Land, And People., Andrew Sluyter
Faculty Publications
No abstract provided.
Evaluating Tree Height Using Pictometry® Hyperspatial Imagery, Daniel Unger, David Kulhavy, Matthew A. Wade
Evaluating Tree Height Using Pictometry® Hyperspatial Imagery, Daniel Unger, David Kulhavy, Matthew A. Wade
Faculty Publications
This study evaluated the use of Pictometry® hyperspatial 4-inch (10.2 centimeters) multispectral imagery to estimate height of baldcypress trees on the campus of Stephen F. Austin State University (SFASU), Nacogdoches, Texas. Actual tree heights of 60 baldcypress trees measured with a telescopic height pole were compared to Pictometry® estimated tree height. Linear correlation coefficients (r) and coefficient of determinations (R2) between actual tree height and Pictometry® estimated tree height for all 60 tress, and the shortest 30 and tallest 30 trees, were calculated. A paired t-test (alpha = 0.05) was calculated for all 60 tress, and the shortest 30 and …
An Ice-Core Pollen Record Showing Vegetation Response To Late-Glacial And Holocene Climate Changes At Nevado Sajama, Bolivia, C. A. Reese, K. B. Liu, L. G. Thompson
An Ice-Core Pollen Record Showing Vegetation Response To Late-Glacial And Holocene Climate Changes At Nevado Sajama, Bolivia, C. A. Reese, K. B. Liu, L. G. Thompson
Faculty Publications
We present the results of pollen analysis performed on an ice core recovered from Nevado Sajama, Bolivia, dated to 25 ka BP. Low pollen concentrations from 25 to 15 ka BP are consistent with the scenario of an expanded ice cap surrounded by sparse vegetation and cold conditions on the Altiplano during the Last Glacial Maximum. After 15 ka BP, more pollen is present and percentages show vegetation response to climate fluctuations during the late Pleistocene. Initially, high concentrations of Poaceae pollen are replaced by Asteraceae pollen, suggesting the occurrence of dry conditions towards the end of the Bolling-Allerod/Guantiva interstadial. …