William M. Ciesla's Images
Title: OwnerOrganization: Forest Health Management International
Unit: Fort Collins, CO.
Country: United States
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Bill Ciesla is a forest health specialist and owner of Forest Health Management International, a consulting company based in Fort Collins, CO. Bill received his undergraduate and graduate degrees in forestry and forest entomology from the State University of New York, College of Environmental Science and Forestry at Syracuse University, Syracuse, NY. He has held assignments with USDA Forest Service as a forest entomologist and forest health program manager in Asheville, NC, Pineville, LA, Missoula, MT, Davis, CA, Fort Collins, CO and Portland, OR. From 1990 to 1995, he served as Forest Protection Officer for the Food and Agriculture Organization in Rome, Italy. His areas of interest include biology and management of forest insects and diseases and the use of remote sensing for forest damage assessment Bill is an avid photographer, specializing in close ups of insects and wildflowers and of forest damage. |
| 9 Images of 5 Subjects | View Subject List | View Image Details | View Thumbnails |
| Image | Subject Name | Scientific Name | Description |
|---|---|---|---|
| 1248037 | chemicals | Roadside damage due to an as yet unspecified cause, probably application of de-iceing chemicals, near Boulder, CO | |
| 1248014 | frost and winter injury (general) | Aerial view of aspen with patches of brownish, thin foliage believed to be the result of a late spring frost. Mt Evans wilderness, Pike NF, Colorado | |
| 1248013 | Road salt or de-icing salt | The actual causal agent for this damage is not yet known but appears to be associated with magnesium chloride or other chemical used to de-ice roads in winter. Boulder, CO | |
| 2500011 | snow and ice damage (snow load) | Stem breakage due to heavy winter snow, northern Cyprus. | |
| 1428011 | air pollutants | Aerial view of morning smog. | |
| 1428012 | air pollutants | Aerial view of a timber salvage operation conducted near Mexico City following extensive tree mortality due to bark beetles and photo oxidant pollutants. | |
| 1428017 | air pollutants | Forest nursery used to grow pine seedlings to replace fir forests destroyed by air pollution and bark beetles, near Mexico City. | |
| 1428019 | air pollutants | Aerial view of mortality | |
| 1428016 | air pollutants | Close up of foliage showing classic symptoms of ozone mottling, near Mexico City. |
