魔芋的生态学研究Becc。在Bengkulu摄政北部的BOVEN LAIS保护森林里

Wahyudi Arianto, Wiryono, Guswarni Anwar
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摘要

钛魔芋(Becc.)Becc。泰坦魔芋(Ex Arcang)是世界上唯一拥有最高花序(1.6米- 2.5米)的植物。本种被列为特有植物,因为它只在苏门答腊岛的森林地区发现。根据世界自然保护联盟2021年版濒危植物红色名录,A. titanum是濒危植物(EN)。在这个时候,由于面积的转换,A. titanum面临的问题是栖息地的破坏。在生态方面的研究包括种群条件、植物结构组成、分布格局、土壤和气候资料。在班古鲁省北班古鲁县的Boven Lais保护区进行。采用植被分析方法,获得了钛青的植被结构组成(重要指数)和生境的非生物(物理条件)数据。利用森田扩散指数法确定植物的分布(空间分布)。结果表明:研究区钛蒿种群数量为20个,以叶柄直径为0 ~ 5 cm的分蘖为主;整个种群都处于营养阶段。A. titanum的分布呈簇状分布。A钛生境植被的结构和组成包括18科25种。树级植被以Elateriospermum tapos为主,竿级植被以Ficus hispida L.f为主,苗级植被以Selaginella plana (Desv.)为主。Poir交货)。土壤类型为砂质粘土壤土质地的红黄灰化土,pH为4.79,N(氮)含量中等(0.33%),C(碳)含量较高(3.7%),P(磷)含量极低,CEC较高。生境海拔433 m,海拔-459 m,坡度45-60°。一般来说,钛藻生长的地点都在陡峭的地区。生境平均湿度为92.87%,平均光照强度为647.19 lux,平均气温为23.09oC
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Ecological study of titan arum [Amorphophallus titanum (Becc.) Becc. Ex arcang] in BOVEN LAIS protected forest, north Bengkulu regency
Amorphophallus titanum (Becc.) Becc. Ex Arcang), known as Titan Arum, is the only plant that has the highest inflorescence (1.6 m – 2.5 m) in the world. This species is classified as an endemic plant since it only found in forest areas on the island of Sumatra. According to the IUCN Red List of Threatened Plants the 2021 edition, A. titanum is Endangered (EN). The problem faced by A. titanum at this time is the habitat destruction, due to area conversion. The research on the ecological aspects of A. titanum includes population conditions, plant structure and composition, distribution patterns, soil, and climate data. was conducted in the Boven Lais Protected Forest, North Bengkulu Regency, Bengkulu Province. The vegetation analysis method were used to obtain data on the plant structure and composition of the vegetation (importance index) of A. titanum, and the habitat's abiotic (physical conditions). Determining the plant's distribution (spatial distribution) using the Morisita Spread Index method. The results showed that the population of A. titanum in the research area was 20 individuals, dominated by tillers with petiole diameters ranging from 0-5 cm. The entire population was found in the vegetative phase. The distribution pattern of A. titanum was clustered. The structure and composition of the vegetation in the A titanum habitat comprises 25 species belonging to 18 families. The tree-level vegetation was dominated by Elateriospermum tapos, the pole level was dominated by Ficus hispida L.f., and the seedling-level vegetation was dominated by Selaginella plana (Desv. ex Poir.) The soil type in the A. titanum habitat was red-yellow podzolic with sandy clay loam texture, acid soil with a pH of 4.79, medium N (nitrogen) content (0.33%), high C (carbon) content (3.7%) and very low P (phosphorus) content and high CEC.. The habitat was at an altitude of 433 m asl -459 m above sea level, with a slope of 45-60 degrees. Generally, the location where the A. titanum grew twas in a steep area. The average humidity in the habitat was 92.87%, the average light intensity was 647.19 lux, and the average temperature was 23.09oC
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