Environmental Factors Affecting the Diversity and Photosynthetic Pigments of Trentepohlia Species in Northern Thailand’s Chiang Dao Wildlife Sanctuary

IF 1.1 4区 生物学 Q3 PLANT SCIENCES
Santi Saraphol, S. Vajrodaya, Ekaphan Kraichak, A. Sirikhachornkit, N. Sanevas
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引用次数: 2

Abstract

This study addressed the environmental factors that affect Trentepohlia spp. in the Chiang Dao Wildlife Sanctuary at altitudes of 399 to 1,503 meters above sea level (m a.s.l.) during the rainy, winter, and summer seasons. Species were identified using characteristic morphological identification. The influence of environmental factors on the algae was analyzed using a statistical program, and seasonal changes in the quantity of photosynthetic pigments in the dominant species were evaluated. The average relative humidity was 69.34 ± 12.90%, the average temperature was 26.23 ± 3.79 °C, and the average light intensity was 139.78 ± 42.21 µmol photon m −2 s −1 . Thirteen species were found: Trentepohlia chapmanii , Trentepohlia sp. 1, Trentepohlia sp. 2, Trentepohlia sundarbanensis , Trentepohlia sp. 3, Trentepohlia rigidula , Trentepohlia sp. 4, Trentepohlia effusa , Trentepohlia monilia , Trentepohlia abietina , Trentepohlia sp. 5, Trentepohlia aurea , and Trentepohlia umbrina . The largest number of species (seven to nine) were found at lower altitudes, from 473 to 517 m a.s.l. Species diversity was greatest in the winter season (13 species). Species found at low attitude were grouped together (Group 1) and had the greatest diversity, and the remaining species were divided into Groups 2, 3, and 4. Environmental factors had both positive and negative influences on the species, especially T. chapmanii , which was found below 1,003 m a.s.l., and T. monilia , which was found in areas with a high relative humidity of 74.50% to 83.93%. The ratio of the total carotenoids to chlorophyll of T. rigidula , the dominant species, was relatively high at 4.96:1, and the β-carotene content (46.89 %w/w) was highest during winter.
影响泰国北部清道野生动物保护区Trentepohlia物种多样性和光合色素的环境因素
本研究探讨了在雨季、冬季和夏季,海拔399至1503米的江岛野生动物保护区内影响Trentepohlia spp.的环境因素。使用特征形态学鉴定来鉴定物种。利用统计程序分析了环境因素对藻类的影响,并评价了优势种光合色素数量的季节变化。平均相对湿度为69.34±12.90%,平均温度为26.23±3.79°C,平均光强为139.78±42.21µmol光子m−2 s−1。共发现13个物种:Trentepohlia chapmanii、Trentepoholia sp.1、Trentephohlia sp.2、Trentepophlia sundarbanensis、Trentepolhlia sp.3、Trenteppohlia rigidula、Trentelphlia sp.4、Trenteopohlia expusa、Trentepoohlia monilia、Trentephahlia abietina、Trenterpohlia sp.5、Trentepahlia aurea和Trentepohria umbrina。在海拔473至517米的低海拔地区发现的物种数量最多(7至9种)。物种多样性在冬季最大(13种)。在低姿态下发现的物种被分组在一起(第1组),具有最大的多样性,其余物种被分为第2、3和4组。环境因素对该物种既有积极的影响,也有消极的影响,尤其是在海拔1003米以下发现的T.chapmanii和在相对湿度74.50%至83.93%的地区发现的T.monilia。优势物种刚性T.rigidula的总类胡萝卜素与叶绿素之比相对较高,为4.96:1,β-胡萝卜素含量在冬季最高(46.89%w/w)。
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来源期刊
CiteScore
2.00
自引率
10.00%
发文量
18
审稿时长
1 months
期刊介绍: The journal has been published since 1923 and offers Open Access publication of original research papers, short communications, and reviews in all areas of plant science, including evolution, ecology, genetics, plant structure and development, physiology and biochemistry.
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