Estimating the area in logging roads by dot sampling on aerial photos
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Estimating the area in logging roads by dot sampling on aerial photos

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Published by Intermountain Forest and Range Experiment Station in Ogden, Utah .
Written in English


  • Forest roads,
  • Aerial photography in forestry

Book details:

Edition Notes

StatementKarl E. Moessner
SeriesResearch note / Intermountain Forest and Range Experiment Station, U.S. Department of Agriculture, Forest Service -- no. 77, Research note (Intermountain Forest and Range Experiment Station (Ogden, Utah)) -- no. 77.
ContributionsIntermountain Forest and Range Experiment Station (Ogden, Utah)
The Physical Object
Pagination4 p. :
ID Numbers
Open LibraryOL25580439M

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presents a new fuel sampling method, called the photoload sampling technique, to quickly and ac- curately estimate loadings for six common surface fuel components (1 hr, 10 hr, hr, and hr downed dead woody, shrub, and herbaceous fuels).Cited by: How to use aerial photos and soil surveys to plan a timber harvest Identify and understand the soil types and slopes in the proposed timber harvest site. Choose logging areas based on soil drainage, so work can be done on firm ground to. The National Aerial Photography Program (NAPP) was established in to coordinate aerial photography for the United States among Federal and State agencies. NAPP photographs are used for such purposes as mapping, resource planning, engineering, land use . Estimating tree canopy cover from aerial images. As reviewed by Nowak et al (), four different methods can be used to estimate tree cover from aerial imagery. Of these, the dot grid and digital image analysis methods are probably the most useful for many urban forestry purposes.

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WLF Fish & Wildlife Population Ecology. Fall LAB 4: AERIAL SURVEYS I. Conceptual Framework (basic problems with estimating population size) A. Observability or Sightability (B)Most methods of surveying animals do not result in counts or captures of all animals present on an area, i.e., the probability of seeing or catching an animal will generally be less than 1.   The aerial photographs can be used to convey or describe information to the public, State and Federal agencies, and other divisions within the Department of Transportation. Some disadvantages are: Weather conditions (winds, clouds, haze etc.) affect the aerial photography process and the quality of the images. Anatolia is a natural meeting zone for European and African wildcat populations first being common in northern and second in southern and souteastern ranges. The sampling design was tested on four test areas, using both quarter- and one-acre photo plots, and quarter-acre fixed-areaand variable-area field plots at four photo scales. Based on these results a sample of about 20 field measured quarter-acre field plots com-bined with a percent photo cruise on , aerial photos would.