Assessing the conservation status of tree fern Cibotium arachnoideum (C. Chr.) Holttum

Abstract. Praptosuwiryo TN. 2020. Assessing the conservation status of tree fern Cibotium arachnoideum (C.Chr.) Holttum. Biodiversitas 21: 1379-1384. Cibotium arachnoideum (C.Chr.) Holttum (Cibotiaceae), is a large terrestrial fern with an upright or prostrate rhizome having densely shining reddish-...

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Autor principal:	Titien Ngatinem Praptosuwiryo
Formato:	article
Lenguaje:	EN
Publicado:	MBI & UNS Solo 2020
Materias:	area of occupancy (aoo), cibotium arachnoideum, conservation status, extent of occurrence (eoo), tree fern Biology (General) QH301-705.5
Acceso en línea:	https://doaj.org/article/d73a439029674c7bae3507e4608c0618
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spelling	oai:doaj.org-article:d73a439029674c7bae3507e4608c06182021-11-22T00:34:40ZAssessing the conservation status of tree fern Cibotium arachnoideum (C. Chr.) Holttum1412-033X2085-472210.13057/biodiv/d210415https://doaj.org/article/d73a439029674c7bae3507e4608c06182020-03-01T00:00:00Zhttps://smujo.id/biodiv/article/view/5221https://doaj.org/toc/1412-033Xhttps://doaj.org/toc/2085-4722Abstract. Praptosuwiryo TN. 2020. Assessing the conservation status of tree fern Cibotium arachnoideum (C.Chr.) Holttum. Biodiversitas 21: 1379-1384. Cibotium arachnoideum (C.Chr.) Holttum (Cibotiaceae), is a large terrestrial fern with an upright or prostrate rhizome having densely shining reddish-brown of rigid hairs and one or two pairs of sori with two indusia forming a small cup on each lamina-segment. This tree fern is a rare species and strictly distributed in the Malesian region. The study aims to assess the conservation status of C. arachnoideum by using the 2012 IUCN Red List Catagories and Criteria (version 3.1.). Population size was estimated and observed both based on specimens deposited at the Herbarium Bogoriense (BO) and field studies in Sumatra. The area of occupancy (AOO) of this species is 44 km2. Cibotium arachnoideum is occurred in severely fragmented locations in the West Malesian region, in 2 locations, viz. Sumatra and Borneo. Sumatra has only two subpopulations, and Borneo has nine subpopulations. The number of mature individuals was only found 372 in one location of North Sumatra and 19 individuals in one location of Bengkulu. Therefore, C. arachnoideum is proposed as an endangered species, En: B2ab (i,ii,iii) + C2a (ii).Titien Ngatinem PraptosuwiryoMBI & UNS Soloarticlearea of occupancy (aoo), cibotium arachnoideum, conservation status, extent of occurrence (eoo), tree fernBiology (General)QH301-705.5ENBiodiversitas, Vol 21, Iss 4 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	area of occupancy (aoo), cibotium arachnoideum, conservation status, extent of occurrence (eoo), tree fern Biology (General) QH301-705.5
spellingShingle	area of occupancy (aoo), cibotium arachnoideum, conservation status, extent of occurrence (eoo), tree fern Biology (General) QH301-705.5 Titien Ngatinem Praptosuwiryo Assessing the conservation status of tree fern Cibotium arachnoideum (C. Chr.) Holttum
description	Abstract. Praptosuwiryo TN. 2020. Assessing the conservation status of tree fern Cibotium arachnoideum (C.Chr.) Holttum. Biodiversitas 21: 1379-1384. Cibotium arachnoideum (C.Chr.) Holttum (Cibotiaceae), is a large terrestrial fern with an upright or prostrate rhizome having densely shining reddish-brown of rigid hairs and one or two pairs of sori with two indusia forming a small cup on each lamina-segment. This tree fern is a rare species and strictly distributed in the Malesian region. The study aims to assess the conservation status of C. arachnoideum by using the 2012 IUCN Red List Catagories and Criteria (version 3.1.). Population size was estimated and observed both based on specimens deposited at the Herbarium Bogoriense (BO) and field studies in Sumatra. The area of occupancy (AOO) of this species is 44 km2. Cibotium arachnoideum is occurred in severely fragmented locations in the West Malesian region, in 2 locations, viz. Sumatra and Borneo. Sumatra has only two subpopulations, and Borneo has nine subpopulations. The number of mature individuals was only found 372 in one location of North Sumatra and 19 individuals in one location of Bengkulu. Therefore, C. arachnoideum is proposed as an endangered species, En: B2ab (i,ii,iii) + C2a (ii).
format	article
author	Titien Ngatinem Praptosuwiryo
author_facet	Titien Ngatinem Praptosuwiryo
author_sort	Titien Ngatinem Praptosuwiryo
title	Assessing the conservation status of tree fern Cibotium arachnoideum (C. Chr.) Holttum
title_short	Assessing the conservation status of tree fern Cibotium arachnoideum (C. Chr.) Holttum
title_full	Assessing the conservation status of tree fern Cibotium arachnoideum (C. Chr.) Holttum
title_fullStr	Assessing the conservation status of tree fern Cibotium arachnoideum (C. Chr.) Holttum
title_full_unstemmed	Assessing the conservation status of tree fern Cibotium arachnoideum (C. Chr.) Holttum
title_sort	assessing the conservation status of tree fern cibotium arachnoideum (c. chr.) holttum
publisher	MBI & UNS Solo
publishDate	2020
url	https://doaj.org/article/d73a439029674c7bae3507e4608c0618
work_keys_str_mv	AT titienngatinempraptosuwiryo assessingtheconservationstatusoftreeferncibotiumarachnoideumcchrholttum
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Assessing the conservation status of tree fern Cibotium arachnoideum (C. Chr.) Holttum

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