Some new records of sub-fossil Sphagnum from Western Himalayas
DOI:
https://doi.org/10.54991/jop.1976.1032Abstract
Present paper deals with four sub-fossil Sphagnum taxa recovered while pollen analysing Late-Quaternary sediments from the two Lake sites - namely Khajiar and Rewalsar in the districts Chamba and Mandi respectively in Himachal Pradesh. The recovered taxa are Sphagnum recurvum P. Beauv., Sphagnum sp. belonging to Sect. Sphagnum (Palustre sensu Abramova). Sphagnum sp. belonging to Sect. Cuspidata and Sphagnum teres (Schimp.) Aongstr. First three taxa are new records from Western Himalaya and the fourth, i.e. Sphagnum teres (Schimp.) Aongstr. has so far not been reported from Himachal Pradesh.
With available C-14 dates for both the profiles, the occurrence of new sub-fossil Sphagnum records can be dated to about 1,500-2,000 years B.P. and that of Sphagnum teres, which is very common throughout both the sequences, 3500 years B.P. or so.
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Gangulee HC 1969. Messes of Eastern India and Adjacent Regions. Calcutta.
Sharma AK 1949. Indian Sphagnums. Bull. bot. Soc. Bengal, 3: 99-111.
Sharma Chhaya & Singh G 1974a. Studies in the Late-Quaternary vegetational history in Himachal Pradesh 1. Khajiar Lake. The Palaeobotanist 21(21): 144-162. https://doi.org/10.54991/jop.1972.1477
Sharma Chhaya & Singh G 1974b. Studies in the Late-Quaternary vegetational history in Himachal Pradesh-2. Rewalsar Lake. The Palaeobotanist 21 (3): 321-388. https://doi.org/10.54991/jop.1972.1495
Vishnu Mittre & Gupta HP 1971. Sphagnum popillosum Lindb. – a new record for Western India. Sci. Cult., 37(1): 44-45.
Wadhwa BM & Vohra JN 1966. Sphagnum Squarrosum Pers. A new record for India. Bull. bot. Surv. India, 8(2): 197.
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