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Natural Disjunction:Cedar Survives and is well Adapted on the Trunk of Picea smithiana


Affiliations
1 Division of Genetics and Tree Improvement, Forest Research Institute, Dehradun 248 195, India
2 Govind National Park, Uttarkashi, Uttarakhand 249 128, India
3 Forest Pathology Discipline, Division of Forest Protection, Forest Research Institute, Dehradun 248 006, India
 

The northwestern Himalayan region of India is endowed with rich floral diversity and natural species variation, especially in trees such as fir and spruce. In 2019, forest surveys conducted at Har-ke-Dun valley of Govind National Park (GNP), Uttarakhand, India, revealed an interesting observation of survivability and adaptability of cedar (Cedrus deodara, viz. deodar) on Picea smithiana which was recorded (Figure 1). Perhaps, the evolutionary and ecological forces describe it as a natural disjunction. The surveyed forest area is on a steep slope (65°) dominated by cedar and P. smithiana (geospatial data: lat. 31°05′58.4″; long. 78°17′31.0″ and altitude 2240 m amsl). Picea smithiana is a long tree of 20 m height and 0.65 m diameter at breast height (DBH).
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  • Natural Disjunction:Cedar Survives and is well Adapted on the Trunk of Picea smithiana

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Authors

Maneesh S. Bhandari
Division of Genetics and Tree Improvement, Forest Research Institute, Dehradun 248 195, India
Rajendra K. Meena
Division of Genetics and Tree Improvement, Forest Research Institute, Dehradun 248 195, India
Brijmohan Rana
Govind National Park, Uttarkashi, Uttarakhand 249 128, India
Shailesh Pandey
Forest Pathology Discipline, Division of Forest Protection, Forest Research Institute, Dehradun 248 006, India
Harish S. Ginwal
Division of Genetics and Tree Improvement, Forest Research Institute, Dehradun 248 195, India

Abstract


The northwestern Himalayan region of India is endowed with rich floral diversity and natural species variation, especially in trees such as fir and spruce. In 2019, forest surveys conducted at Har-ke-Dun valley of Govind National Park (GNP), Uttarakhand, India, revealed an interesting observation of survivability and adaptability of cedar (Cedrus deodara, viz. deodar) on Picea smithiana which was recorded (Figure 1). Perhaps, the evolutionary and ecological forces describe it as a natural disjunction. The surveyed forest area is on a steep slope (65°) dominated by cedar and P. smithiana (geospatial data: lat. 31°05′58.4″; long. 78°17′31.0″ and altitude 2240 m amsl). Picea smithiana is a long tree of 20 m height and 0.65 m diameter at breast height (DBH).


DOI: https://doi.org/10.18520/cs%2Fv117%2Fi11%2F1779-1780