. Breeding-bird populations in the jack pine and mixed jack pine/deciduous stands in central Ontario. Forest birds; Birds; Jack pine; Birds; Bird populations; Forest management. Fig. 3. Young pine plantation (P-2) censused from 1985 to 1991 when trees were about 20 to 26 years old. Photo- graphed in 1985. Fig. 4. Medium-aged pines (P-3) censused from 1985 to 1992 when trees were about 39 to 46 years old. Photographed in Fig. 5. Mature pine trees (P-4) censused in 1985 when trees were about 65 years old. Photographed in Please note that these images are extracted from scanned page
. Breeding-bird populations in the jack pine and mixed jack pine/deciduous stands in central Ontario. Forest birds; Birds; Jack pine; Birds; Bird populations; Forest management. Fig. 3. Young pine plantation (P-2) censused from 1985 to 1991 when trees were about 20 to 26 years old. Photo- graphed in 1985. Fig. 4. Medium-aged pines (P-3) censused from 1985 to 1992 when trees were about 39 to 46 years old. Photographed in Fig. 5. Mature pine trees (P-4) censused in 1985 when trees were about 65 years old. Photographed in Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original James, Ross, 1943-; Peck, Mark K. (Mark Kelday), 1959-; Royal Ontario Museum. Toronto : Royal Ontario Museum
Size: 1936px × 1291px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, booksubjectbirds, booksubjectforestmanagement
