Small format aerial photography: methods and achievements in Australian forestry

SUMMARY Since the mid 1960s Australian forestry has benefited from small format aerial photography (SFAP) for testing new films, scales and photographic conditions; for supplementing major aerial surveys by monitoring changes on small-scale images and using this information to intensify maps, such as plantings and roads in new plantations; for achieving special effects, such as shadowless large-scale coverage to detect understorey details (e.g. disease symptoms) and for double sampling at large scales in conjunction with Global Positioning System (GPS) navigation and Geographic Information Systems (GIS) analysis to obtain quantitative data for a flexible, responsive information system. Results from early photographic and mapping trials were quickly incorporated into operational procedures which are now widely applied. Likewise, a major program utilising the special effects of large scale shadowless SFAP for disease detection has been operational for many years. However, double sampling for volume inventor...

[1]  M. A. Green,et al.  Integrating Eucalypt Forest Inventory and GIs in Western Australia Practical Paper , 1997 .

[2]  P. H. Biggs,et al.  Aerial tree volume functions for eucalypts in Western Australia , 1991 .

[3]  P. Biggs,et al.  New approaches to extensive forest inventory in Western Australia using large-scale aerial photography , 1990 .

[4]  T. Westcott,et al.  GPS navigation for large-scale photography , 1989 .

[5]  R. D. Spencer,et al.  Large-scale aerial photo comparison for detecting pine dieback , 1985 .

[6]  J. F. Wear,et al.  Shadowless or sunlit photos for forest disease detection? An Australian study compares shadowless and sunlit aerial photopgraphs on color and color infrared film for detecting crown dieback in a eucalypst forest , 1984 .

[7]  R. Spencer.  Detecting dieback in native eucalypt forests using aerial photographs , 1984 .

[8]  B. J. Myers,et al.  Shadowless aerial photography for vegetation studies—a review of benefits and limitations , 1982 .

[9]  B. J. Myers,et al.  Guide to the identification of some tropical rainforest species from large-scale colour aerial photographs , 1982 .

[10]  R. Spencer.  Fixed-base large-scale photographs for forest sampling , 1979 .

[11]  B. J. Myers,et al.  Mapping the Area Burnt in Prescribed Burning Operations Using Large-Scale Colour Aerial Photographs , 1978 .

[12]  B. Myers.  Developments in the Use of Colour Aerial Photography in Australian Forestry , 1977 .

[13]  B. Myers.  Tree Species Identification on Aerial Photographs: The State of the Art , 1976 .

[14]  R. Spencer.  Supplementary Aerial Photography with 70mm and 35mm Cameras , 1974 .

[15]  V. Zsilinszky.  Supplementary aerial photography with miniature cameras , 1969 .

[16]  E. H. Lyons.  Forest sampling with 70-mm fixed air-base photography from helicopters , 1967 .

[17]  E. H. Lyons.  FIXED AIR-BASE 70 mm PHOTOGRAPHY, A NEW TOOL FOR FOREST SAMPLING , 1966 .

[18]  J. Lines.  Spot photography for map revision , 1962 .