Rapid assessment of epiphytic pteridophyte biodiversity in Mt. Apo Natural Park, North Cotabato Province, Philippines: a comparison of disturbed and undisturbed forests

Q3 Environmental Science

Philippine Journal of Systematic Biology Pub Date : 2020-10-26 DOI:10.26757/pjsb2020c14004

North Cotabato, Cherie Cano, Mangaoang, B. L. P. Bretaňa, V. Amoroso

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引用次数: 1

Abstract

Pteridophytes are potential indicators of climate change and environmental disturbances because of their sensitivity to the changes in the environment such as sunlight intensities and humidity levels. The study was conducted to document the species and compare the diversity of epiphytic pteridophytes in two sites–the undisturbed and disturbed areas of Mt. Apo Natural Park, North Cotabato Province in the Philippines. In each site, four stations were established, each with four 20 m × 20 m plots that are at least 20 m apart from each other. Between stations, at least 100 m was maintained. In this study, 102 species of epiphytic pteridophytes belonging to 33 genera and 14 families were identified. Seven species are lycophytes and 95 species are ferns. The number of species recorded represents 10 % of all species of pteridophytes in the Philippines. Polypodiaceae was the most dominant family consisting of 13 genera and 33 species. Among these, Prosaptia was the largest genus represented by nine species followed by Selliguea with five species. Based on the Species Importance Value (SIV), Lindsaea pulchella was the most abundant species in the area studied. Abundance of epiphytic pteridophytes vary between two sites but other parameters such as species richness, evenness, Shannon-Weiner and Simpson diversity indices showed no significant differences. There were three main assemblages of epiphytic pteridophytes based on species composition with 50% overall similarity. Of the 102 species identified, 11 were threatened which represent 6.08% of the total threatened pteridophytes of the Philippines. Noteworthy is the new species record of Asplenium beccarianum for the Philippines. Unique composition of epiphytic pteridophytes was evident and the results showed that Mt. Apo is an important location for the conservation of these communities. KEYWORDS: abundance, Asplenium beccarianum, conservation, phorophtye, epiphyte

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菲律宾北哥打巴托省阿波山自然公园附生蕨类植物多样性的快速评价:受干扰与未受干扰森林的比较

蕨类植物是气候变化和环境干扰的潜在指标，因为它们对环境变化（如阳光强度和湿度水平）很敏感。进行这项研究是为了记录该物种，并比较两个地点的附生蕨类植物多样性——菲律宾北哥打巴托省阿波山自然公园的未受干扰和受干扰地区。在每个场地，建立了四个站点，每个站点有四个20 m×20 m的地块，彼此之间至少相距20 m。车站之间至少保持了100米。本研究共鉴定出附生蕨类植物14科33属102种。7种为石松属植物，95种为蕨类植物。记录的物种数量占菲律宾蕨类植物所有物种的10%。水龙骨科是最具优势的科，共有13属33种。其中，Prosapia是最大的属，有9种，其次是Selliguea，有5种。根据物种重要度值（SIV），斑叶Lindsaea pulchella是研究区域内数量最多的物种。两个地点附生蕨类植物的丰度各不相同，但物种丰富度、均匀度、Shannon Weiner和Simpson多样性指数等其他参数没有显著差异。根据物种组成，附生蕨类植物主要有三个组合，总体相似性为50%。在确定的102个物种中，11个受到威胁，占菲律宾受威胁蕨类植物总数的6.08%。值得注意的是，菲律宾的贝氏阿斯普连藻属（Asplenium beccarianum）有新的物种记录。附生蕨类植物的独特组成是明显的，结果表明阿波山是保护这些群落的重要地点。关键词：丰度，贝氏无尾藻，保护，phorophtye，附生

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来源期刊

Philippine Journal of Systematic Biology Environmental Science-Ecology

CiteScore

1.50

自引率

0.00%

发文量

期刊介绍： The Philippine Journal of Systematic Biology (Print ISSN: 1908-6865; Online ISSN: 2508-0342) is an annual, peer-reviewed journal in English that publishes high quality reports of original research and reviews in the field of Taxonomy & Systematics, Ecology and Conservation Biology. The PJSB is a CHED recognized journal under CHED CMO 50 series of 2017. It is also included in the Clavariate Analysis (formerly a subsidiary of Thomson Reuters) Master Journal List under Zoological Record, BIOSIS Previews and Biological Abstracts.The PJSB is the official publication of the Association of Systematic Biologists of the Philippines (SEC Registration: Association of Philippine Taxonomists, Inc.). The organization financially supports the journal and all its endeavors. The journal aims to build up quality information on animal, plant and microbial diversity in the Philippines. Articles dealing with original research or reviews in Zoological, Botanical or Microbial Systematics, Ecology and Conservation Biology are welcome. Authors are advised to consult a recent issue of PJSB for the current format and style. All manuscripts are reviewed by at least two qualified referees.