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Nong
Leng Sai
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Location:
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19°23'N, 99°49'E; about 25 km north of the town of Phayao, Mae Chai District, Phayao Province. |
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Area:
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1,050 ha. |
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Altitude:
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400m. |
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Biogeographical
Province:
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4.10.4. |
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Wetland
type:
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15. |
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Description
of site:
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An extensive marsh lying on a tributary of the Nam Mae lag upstream of Kwan Phayao. The marsh drains out at its southern end. Land Use Classification Division (1977-1979) marks six pools of less than 10 ha in size at the southern end. |
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Climatic
conditions:
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Tropical monsoonal climate with an average annual rainfall of 1,309 mm (range 710-1,997 mm), 87.8% of which falls during the southwest monsoon (May to October). The mean annual temperature is 26.3°C (range 3.9-44.1°C). (Data from Nan Province, to the east). |
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Principal
vegetation:
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No information is available on the aquatic vegetation. Chiefly rice paddy in adjacent areas. |
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Land
tenure:
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The wetland is state owned; public use is permitted. Surrounding areas are mainly privately owned. |
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Conservation
measures taken:
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None. |
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Conservation
measures proposed:
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The site requires a survey in order to determine its status. |
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Land
use:
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No information. Cultivation of rice (one crop of wet-season rice per year) in surrounding areas. |
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Possible
changes in land use:
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| Disturbances and threats: | No information. |
| Economic and social values: | No information. |
| Fauna: | No information. |
| Special floral values: | No information. |
| Research and facilities: | |
| References: | Land Use Classification Division (1977-1979). |
| Criteria for inclusion: | 0. |
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Source:
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Jira Jintanugool and Philip D. Round. |