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1. Botanical name |
Elaeocarpus sphaericus (Gaertn.) K. Schum. |
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2. Synonym(s) |
Elaeocarpus ganitrus Roxb. ex G. Don |
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3. Family |
Elaeocarpaceae |
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4. Taxonomic status |
Species |
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5. Vernacular names
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Rudraksha (Assamese, Hindi) |
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6. Habit |
Tree |
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7. Habitat |
Tropical semi evergreen forests |
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8. Original global distribution |
Indo – Malayan region |
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9. Current regional distribution |
Ar.
Pradesh |
West Kameng ; Itanagar (Naharlagum area 4 or 5 trees), near Lobi hydel poject site only one tree of 50 to 100 year old (Source: Dr. M.S. Rawat) |
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Assam |
Dibrugarh, Sibsagar, Jorhat |
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Meghalaya |
Not recorded |
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Sikkim |
Not recorded |
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10. Elevation range
(m) |
1,500 – 2,000 |
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11. Population Reduction – PR
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States \ Class
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< 30% |
30 to 49% |
50 to < 80% |
³
80% |
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Ar. Pradesh |
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ü |
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Assam |
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ü |
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Meghalaya |
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- |
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Sikkim |
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- |
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Data quality |
2, 3 |
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11 a. Time/Rate
(years/generations) |
3 generations |
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12. Extent of Occurrence – EOO |
> 20,000 Km2 |
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13. Area of Occupancy – AOO |
> 2,000 Km2 |
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14. No. of locations / sub-populations |
Ar. Pradesh |
Assam |
Meghalaya |
Sikkim |
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Few |
Few |
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14 a. Data quality |
2, 3 |
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15. Threats |
Tp= Trade for parts, I= Human interfernce.
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16. Trade
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Name(s) |
Rudraksh |
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Level(s) |
Local ü |
Regional ü |
National ü |
Global |
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Parts traded |
Fruits |
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Impact on population |
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Data quality |
2 & 3 |
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17. Other comments |
Fruits are very much in demand and under trade |
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18. Recent field
studies |
Not Known |
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19. Status |
Ar. Pradesh
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Assam |
Meghalaya |
Sikkim |
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- CITES |
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- Legislation |
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- Criteria based on |
A 2 c |
A 2 c |
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- IUCN |
VU |
VU |
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20. % of global
presence |
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< 1 % |
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21. Existing Conservation measures |
Not known for the Taxon as such |
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22. Is the presence of taxon continuous with neighboring areas ? |
Yes |
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23. Are the outside populations also under similar threats / pressures ? |
Not Known |
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24. Recommendations a) Research / Management i) in situ ü ii) ex situ b) Cultivation c) Level of difficulty in propagation / cultivation |
Limiting factor management (Lm), Limiting factor research (Lr), Monitoring (M). |
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25. Existing cultivation- |
As avenue plantation in Arunachal Pradesh |
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26. Previous assessment |
No |
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27. Data sources (including literature) |
§ Flora of Assam Vol. I. § Material for the flora of Arunachal Pradesh |
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28. Compilers |
A.A. Mao (Facilitator), T.T.C. Marak, Ameenba Yaden, Padmeshwar Gogoi, Anupam Sarmah (Recorder), Chandra Barooah, Ayesha Ahmed, N.S. Jameer, Kenneth M. Pala. |
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29. Reviewers |
S.N. Hegde (Facilitator), L.R. Bhuyan, M.S. Rawat, Manju Sundriyal, K. Ravikumar (Recorder), M. Majumdar, K.C. Malakar, A. K Baishya, D.K. Ved. |
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