Valuation of Carbon Stock and Utilization of Non-timber Forest Products at the Sirinart Rajini Ecosystem Learning Center, Prachuap Khiri Khan Province
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Abstract
The study aims to evaluate the carbon stock and utilization of non-timber forest products at the Sirinart Rajini Ecosystem Learning Center, Prachuap Khiri Khan province. The study was based on a forest inventory and the collection of tree growth data of stands by setting up 3 permanent sampling plots of size 20 m x 40 m, covering a high, moderate, and low forest density area. Each plot was divided into 10 m x 10 m sub-plots and tree related data in terms of the diameter at breast height over bark (DBH) larger than or equal to 4.5 cm was collected. This was done in conjunction with an in-depth interviewing of the target population or the households who collected non-timber forest products (NTFPs) in the area.
The results showed that in the Sirinart Rajini Ecosystem Learning Center, there were 6 plant species in 4 genera and 3 families which are Rhizophora apiculata, Rhizophora mucronata, Avicennia alba, Avicennia marina, Xylocarpus moluccensis, and Bruguiera cylindrical. Most plant species were from the Rhizophoraceae family. The average density was 405 trees rai-1, biomass was estimated at 37.58 t rai-1, while the amount of carbon storage was 17.66 t rai-1. The amount of carbon dioxide absorption was 64.76 tCO2 rai-1 with the estimated carbon storage being 8,027 Baht rai-1 or 262,884 baht yr-1. The most utilized NTFPs by the local people were sesarmid crab, followed by mud crab, black crab, and oyster. The total amount was 297 kg household-1 yr-1 with an estimated value of 350,397.57 Baht year-1. Therefore, the total value of carbon storage and forest utilization in 2018 at Sirinart Rajini Ecological Mangrove Forest Learning Center was approximately 613,282 Baht. Through this study, we concluded some indications of mangrove forest restoration and the results could be used for planning future sustainable development of the area.
Article Details
ข้าพเจ้าและผู้เขียนร่วม (ถ้ามี) ขอรับรองว่า ต้นฉบับที่เสนอมานี้ยังไม่เคยได้รับการตีพิมพ์และไม่ได้อยู่ในระหว่างกระบวนการพิจารณาตีพิมพ์ลงในวารสารหรือสิ่งตีพิมพ์อื่นใด ข้าพเจ้าและผู้เขียนร่วม (ถ้ามี) ยอมรับหลักเกณฑ์และเงื่อนไขการพิจารณาต้นฉบับ ทั้งยินยอมให้กองบรรณาธิการมีสิทธิ์พิจารณาและตรวจแก้ต้นฉบับได้ตามที่เห็นสมควร พร้อมนี้ขอมอบลิขสิทธิ์ผลงานที่ได้รับการตีพิมพ์ให้แก่วารสารวนศาสตร์ คณะวนศาสตร์ มหาวิทยาลัยเกษตรศาสตร์ กรณีมีการฟ้องร้องเรื่องการละเมิดลิขสิทธิ์เกี่ยวกับภาพ กราฟ ข้อความส่วนใดส่วนหนึ่ง หรือ ข้อคิดเห็นที่ปรากฏในผลงาน ให้เป็นความรับผิดชอบของข้าพเจ้าและผู้เขียนร่วม (ถ้ามี) แต่เพียงฝ่ายเดียว และหากข้าพเจ้าและผู้เขียนร่วม (ถ้ามี) ประสงค์ถอนบทความในระหว่างกระบวนการพิจารณาของทางวารสาร ข้าพเจ้าและผู้เขียนร่วม (ถ้ามี) ยินดีรับผิดชอบค่าใช้จ่ายทั้งหมดที่เกิดขึ้นในกระบวนการพิจารณาบทความนั้น”
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