Species Diversity, Status of Plants and Assessment of their Above Ground Biomass as Carbon Stock at Faculty of Agricultural Production, Maejo University, Chiang Mai Province
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Abstract
Conservation and expansion of green space in city areas not only provides aesthetic value but also has ecosystem values. This research assessed the diversity of large trees and evaluated the carbon storage capacity in their biomass. The study was conducted in three areas, totaling 16 rai (2.56 ha) within the Faculty of Agricultural Production at Maejo University, Chiang Mai province, Thailand. The data were collected using a tree census survey that included the trunk diameter of trees with a diameter ≥50 cm and total tree height measured using laser rangefinder. The amounts of biomass and carbon storage were calculated using allometric equations. Based on the results of the study, there were 33 species of trees from 29 genera in 15 families. The total basal area of the 424 trees surveyed was 40.48 m2. The species diversity value according to the Shannon-Wiener index was 2.64. Dominant plant species included Lagerstroemia macrocarpa, Dipterocarpus alatus and Lagerstroemia speciosa. Of the 33 species identified, 31 were on the IUCN Red List, with 1 species being Critically Endangered (CR), 2 species Endangered (EN), 2 species Vulnerable-(VU) and 26 species with Least Concern (LC) status. The total biomass was 335.67 t mostly contained in the trunk (271.82 t). The total carbon stored in all plant species was 159.23 t content of 583.84 tCO2.
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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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