Investigation on poplar cultivated area change by aerial photographs and land control
In order to study the cultivated area change of poplar at Zanjan-Roud district and its economical and social reasons, the aerial photographs of the district in 1978 were studied then the change after 15 years (1993) was checked by land control and observation. The results showed that during that per...
| Main Authors: | , |
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| Format: | Article |
| Language: | fas |
| Published: |
Research Institute of Forests and Rangelands of Iran
1999-06-01
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| Series: | تحقیقات جنگل و صنوبر ایران |
| Subjects: | |
| Online Access: | http://ijfpr.areeo.ac.ir/article_109752_9669d67c05c1f1a770f70134918dd948.pdf |