การปรับสภาพพันธุ์พืชที่ใกล้สูญพันธุ์ พืชเฉพาะถิ่น และพืชที่ถูกคุกคาม ในระบบนิเวศบนบกที่ถูกรบกวน ในมาเลเชียและไทย
- Domestication of Endangered, Endemic and Threatened Plant Species in Disturbed Terrestrial Ecosystem in Malaysia and Thailand -

Background of Mae Moh site

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Mae Mo mine is a vast open pit lignite mine in the Mae Mo basin. The mine and the adjoining power generation facilities are operated by Electricity Generating Authority of Thailand (EGAT) . The power plant is a major source of electric power for Thailand. The Mae Moh mine is located in the mountains of the Mae Moh district approximately 23 kilometers from Lampang province, Thailand. The topography of the Mae Moh district is characterized by flat and gently rolling terrain along the district floor in the shape of pan basin with the size about 15 to 20 kilometers wide and 50 kilometers long. Its geography is surrounded by the mountainous complex terrain on three sides except in the southwest that opens to Lampang province.

Meteorological Data

Mae Moh district is characterized by a tropical climate, dominated by two tropical monsoons and local thunderstorms. The southwest monsoon begins from June to October producing a wet season and the northeast monsoon begins from December to March producing a milder dry season. Therefore, the weather of Thailand was hot season from February 16 to May 15, rainy season from May 16 to October 15, and Cool season from October 16 to February 15. The seasonal average temperature of hot season, rainy season, and cool season was 26.79, 26.14 and 21.74 °C respectively and the seasonal average rainfall was 183.05, 782.05, and 89.95 mm respectively. For the relative humidity, the seasonal average values in hot season were 61.46% which lower than other season. In addition, the seasonal average of wind speed was highest in hot season and the prevailing wind was South-South-East (163° -175°) in every seasons.

Existing plants

The selected site at Mae Moh was dumped in year 2000 and has been reclaimed for sometimes by planting some soil covering plants to enrich and detox the soil until suitable for planting trees. Some tree species ie. Ziziphus jujuba, Tectona grandis, Sennasulfurea, Senna spectabilis, Senna siamea, Holoptelea integrifolia, Butea monosperma, Acacia farnesiana, Acacia catechu, Leucaena leucocephala, Ficus racemosa, Cassia fistula, Albizia saman, Lagerstroemia speciosa, Pithecellobium dulce, Combretum quadrangulare, and Zollingeria dongnaiensis were planted in 2013 at 8×8 m spacing. 3 species were planted in 1 hole. 6 EETS species ie. Dalbergia cochinchinensis, Dalbergia oliveri, Aquilaria crassna, Vatica diospyroides, Neobalanocarpus heimii, and Cotylelobium lanceolatumare planted among the wide space of the existing trees.

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