A checklist and conservation status of vascular plants in the Limestone forest of Metropolitan Ilocos Norte Watershed Forest Reserve, Northwestern Luzon, Philippines

Abstract. Batuyong MAR, Calaramo MA, Alejandro GJD. 2020. A checklist and conservation status of vascular plants in the Limestone forest of Metropolitan Ilocos Norte Watershed Forest Reserve, Northwestern Luzon, Philippines. Biodiversitas 21: 3969-3981. The Metropolitan Ilocos Norte Watershed Forest...

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Autores principales:	Mae Ann Batuyong, MICHAEL A. CALARAMO, GRECEBIO JONATHAN D. ALEJANDRO
Formato:	article
Lenguaje:	EN
Publicado:	MBI & UNS Solo 2020
Materias:	biodiversity, conservation, ilocos norte, limestone forest Biology (General) QH301-705.5
Acceso en línea:	https://doaj.org/article/f9764875ecbd499396e19035b0d49aa3
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spelling	oai:doaj.org-article:f9764875ecbd499396e19035b0d49aa32021-11-22T00:41:43ZA checklist and conservation status of vascular plants in the Limestone forest of Metropolitan Ilocos Norte Watershed Forest Reserve, Northwestern Luzon, Philippines1412-033X2085-472210.13057/biodiv/d210907https://doaj.org/article/f9764875ecbd499396e19035b0d49aa32020-08-01T00:00:00Zhttps://smujo.id/biodiv/article/view/6173https://doaj.org/toc/1412-033Xhttps://doaj.org/toc/2085-4722Abstract. Batuyong MAR, Calaramo MA, Alejandro GJD. 2020. A checklist and conservation status of vascular plants in the Limestone forest of Metropolitan Ilocos Norte Watershed Forest Reserve, Northwestern Luzon, Philippines. Biodiversitas 21: 3969-3981. The Metropolitan Ilocos Norte Watershed Forest Reserve (MINWFR) is among the remaining intact limestone formations and a critical protected area in Northwestern Luzon. There have been few published floristic studies despite its undeniable rich biological importance. Therefore, this paper primarily aims to provide a preliminary checklist of vascular plants in MINWFR and their conservation status. Consequent field visits and surveys were made from April 2019 to March 2020. Results revealed a total of 173 species distributed in 140 genera belonging to 59 families. The most represented families are Rubiaceae, Fabaceae, Orchidaceae, and Malvaceae. This forest supports 49% or 28.65 % local endemics, five of which are narrow endemics, namely Cyanometra warburgii, Pyrostria triflora, Syzygium ilocanum, Thrixspermum nicolasiorum, and Antirhea microphylla. The latter, however, extends up to Ilocos Sur. Based on IUCN criteria and DENR records, a total of 18 species are threatened, one species is recorded as critically endangered, five endangered, nine vulnerable, three other threatened, two near threatened, 55 as least concern, and the rest are not evaluated. Other noteworthy species present in the area are the two dominant endangered species, Podocarpus costalis, and Podocarpus polystachyus. An interesting spinescent Rubiaceae species were recorded and currently under examination to establish its identity. This checklist serves as a basis to effectively manage this vulnerable area surrounded by human-induced disturbances and threats.Mae Ann BatuyongMICHAEL A. CALARAMOGRECEBIO JONATHAN D. ALEJANDROMBI & UNS Soloarticlebiodiversity, conservation, ilocos norte, limestone forestBiology (General)QH301-705.5ENBiodiversitas, Vol 21, Iss 9 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	biodiversity, conservation, ilocos norte, limestone forest Biology (General) QH301-705.5
spellingShingle	biodiversity, conservation, ilocos norte, limestone forest Biology (General) QH301-705.5 Mae Ann Batuyong MICHAEL A. CALARAMO GRECEBIO JONATHAN D. ALEJANDRO A checklist and conservation status of vascular plants in the Limestone forest of Metropolitan Ilocos Norte Watershed Forest Reserve, Northwestern Luzon, Philippines
description	Abstract. Batuyong MAR, Calaramo MA, Alejandro GJD. 2020. A checklist and conservation status of vascular plants in the Limestone forest of Metropolitan Ilocos Norte Watershed Forest Reserve, Northwestern Luzon, Philippines. Biodiversitas 21: 3969-3981. The Metropolitan Ilocos Norte Watershed Forest Reserve (MINWFR) is among the remaining intact limestone formations and a critical protected area in Northwestern Luzon. There have been few published floristic studies despite its undeniable rich biological importance. Therefore, this paper primarily aims to provide a preliminary checklist of vascular plants in MINWFR and their conservation status. Consequent field visits and surveys were made from April 2019 to March 2020. Results revealed a total of 173 species distributed in 140 genera belonging to 59 families. The most represented families are Rubiaceae, Fabaceae, Orchidaceae, and Malvaceae. This forest supports 49% or 28.65 % local endemics, five of which are narrow endemics, namely Cyanometra warburgii, Pyrostria triflora, Syzygium ilocanum, Thrixspermum nicolasiorum, and Antirhea microphylla. The latter, however, extends up to Ilocos Sur. Based on IUCN criteria and DENR records, a total of 18 species are threatened, one species is recorded as critically endangered, five endangered, nine vulnerable, three other threatened, two near threatened, 55 as least concern, and the rest are not evaluated. Other noteworthy species present in the area are the two dominant endangered species, Podocarpus costalis, and Podocarpus polystachyus. An interesting spinescent Rubiaceae species were recorded and currently under examination to establish its identity. This checklist serves as a basis to effectively manage this vulnerable area surrounded by human-induced disturbances and threats.
format	article
author	Mae Ann Batuyong MICHAEL A. CALARAMO GRECEBIO JONATHAN D. ALEJANDRO
author_facet	Mae Ann Batuyong MICHAEL A. CALARAMO GRECEBIO JONATHAN D. ALEJANDRO
author_sort	Mae Ann Batuyong
title	A checklist and conservation status of vascular plants in the Limestone forest of Metropolitan Ilocos Norte Watershed Forest Reserve, Northwestern Luzon, Philippines
title_short	A checklist and conservation status of vascular plants in the Limestone forest of Metropolitan Ilocos Norte Watershed Forest Reserve, Northwestern Luzon, Philippines
title_full	A checklist and conservation status of vascular plants in the Limestone forest of Metropolitan Ilocos Norte Watershed Forest Reserve, Northwestern Luzon, Philippines
title_fullStr	A checklist and conservation status of vascular plants in the Limestone forest of Metropolitan Ilocos Norte Watershed Forest Reserve, Northwestern Luzon, Philippines
title_full_unstemmed	A checklist and conservation status of vascular plants in the Limestone forest of Metropolitan Ilocos Norte Watershed Forest Reserve, Northwestern Luzon, Philippines
title_sort	checklist and conservation status of vascular plants in the limestone forest of metropolitan ilocos norte watershed forest reserve, northwestern luzon, philippines
publisher	MBI & UNS Solo
publishDate	2020
url	https://doaj.org/article/f9764875ecbd499396e19035b0d49aa3
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A checklist and conservation status of vascular plants in the Limestone forest of Metropolitan Ilocos Norte Watershed Forest Reserve, Northwestern Luzon, Philippines

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