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Using Spatial Information Technologies to Map Chinese Tamarisk (Tamarix chinensis) Infestations

Published online by Cambridge University Press:  12 June 2017

James H. Everitt
Affiliation:
Remote Sensing Research Unit, Agric. Res. Serv., U.S. Dept. of Agric., 2413 E. Hwy 83, Weslaco, TX 78596
David E. Escobar
Affiliation:
Remote Sensing Research Unit, Agric. Res. Serv., U.S. Dept. of Agric., 2413 E. Hwy 83, Weslaco, TX 78596
Mario A. Alaniz
Affiliation:
Remote Sensing Research Unit, Agric. Res. Serv., U.S. Dept. of Agric., 2413 E. Hwy 83, Weslaco, TX 78596
Michael R. Davis
Affiliation:
Remote Sensing Research Unit, Agric. Res. Serv., U.S. Dept. of Agric., 2413 E. Hwy 83, Weslaco, TX 78596
James V. Richerson
Affiliation:
Biology Dep., Sul Ross State Univ., Alpine, TX 79831

Abstract

This paper describes the application of airborne video data with global positioning system and geographic information system technologies for detecting and mapping Chinese tamarisk infestations in the southwestern United States. Study areas were along the Colorado River in southwestern Arizona, the Rio Grande River in extreme west Texas, and the Pecos River in west-central Texas. Chinese tamarisk could be readily distinguished on conventional color video imagery in late November when its foliage turned a yellow-orange to orange-brown color prior to leaf drop. The integration of the global positioning system with the video imagery permitted latitude/longitude coordinates of Chinese tamarisk infestations to be recorded on each image. The global positioning system latitude/longitude coordinates were entered into a geographic information system to map Chinese tamarisk populations along the three river systems.

Type
Special Topics
Copyright
Copyright © 1996 by the Weed Science Society of America 

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References

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