Marjorie delos Angeles

University of the Philippines Los Baños | UPLB

Plant species with small habitat ranges and specific edaphic requirements are highly vulnerable to extinction and thus require enhanced attention in biodiversity conservation. This study was designed to explore the challenges of protecting such plant species by evaluating the in situ and ex situ conservation capacities available for Thailand's spec...

Understory plant species diversity was assessed within forests over limestone across municipalities of Paranas, Taft, and Guiuan in Samar Island, Philippines. Edaphic factors were analyzed and subjected to cluster and ordination analysis. A total of 26 understory plants were recorded, 6 fern species belonging to 6 genera in 6 families and 20 flower...

Mount Makiling is known to be one of the megadiverse tropical rainforests and dormant volcanoes in the Philippines. As one of the ASEAN heritage parks, Mount Makiling showcases its biocultural landscapes that provide numerous ecosystem goods and services, especially to its nearby communities. Located at the foothills of Mount Makiling are several s...

Schismatoglottis minuta (Araceae) is described as a new species and illustrated based on accessions collected from Samar Island, Philippines. The new species, belonging to the Calyptrata clade sensu Hay and Yuzammi is distinct from previously reported taxa. Due to its habitat preferences and low (<100) estimated number of mature individuals, we rec...

The establishment of environmental management zones is an important strategy for biodiversity conservation. However, identifying and assigning appropriate zones is a challenging task that is critical to the management’s success. The Environmentally Critical Areas Network (ECAN) of the Palawan province is among the management strategies being implem...

COLE TCH, BACHELIER JB, HILGER HH, DELOS ANGELES MD (2022) Tracheophytes - mga vascular na halaman – systematics at mga katangian, Tagalog version of: COLE, BACHELIER, HILGER (2022) Tracheophyte Phylogeny Poster (TPP) • hypothetical tree na batay sa mulatlin na datos ng lipmulaan • haba ng sanga ay sinasadya, hindi pinapakita ang aktwal na sukat ng...

This study was conducted to determine threatened woody plants in forests over limestone in Samar Natural Park (SINP), Guiuan Marine Resource Protected Landscapes and Seascapes (GMRPLS), and other areas in the Philippines, in order to design a strategic framework for sustainable conservation of threatened species. Combined fieldwork using standard v...

COLE TCH, HILGER HH, SCHNEIDER H, DELOS ANGELES MD (2022) Pteridophytes, Poster na Lipmulaan ng mga Pamilya ng mga NITO at PAKO, Tagalog version of: COLE, HILGER, SCHNEIDER (2022) Pteridophyte Phylogeny Poster (PtPP) • hypothetical tree na batay sa mulatlin na datos ng lipmulaan • haba ng mga sanga ay sinasadya, hindi pinapakita ang aktwal na sukat...

Despite major efforts over the last 100 years assembling notable large amounts of information concerning the rich fern and lycophyte diversity of the Philippines, we still lack records for many areas including localities selected to protect biodiversity. Addressing the major gaps in our knowledge about the current distribution of plants in the Phil...

Despite major efforts over the last 100 years assembling notable large amounts of information concerning the rich fern and lycophyte diversity of the Philippines, we still lack records for many areas including localities selected to protect biodiversity. Addressing the major gaps in our knowledge about the current distribution of plants in the Phil...

Checklists are vital information towards identifying conservation priorities over an area. This study provides an enumeration of fern species found in the Puerto Princesa Subterranean River National Park (PPSRNP), Palawan Island, Philippines. A transect walk was conducted to document all fern species encountered during the study. A total of 39 fern...

Mt. Makiling is a low mountain straddling between Laguna and Batangas provinces harboring diverse and unique forest ecosystems from lowland evergreen rainforests to mossy montane forests at its peak of 1130 masl. It was proclaimed a Forest Reserve with an area of 4224.37 hectares from 100 to 200 masl to the summit. Mt. Makiling is a crucial forest...

Corybas Salisbury (1807: t. 83) comprises approximately 120 highly distinctive and diminutive terrestrial and lithophytic species widely distributed from India to the western Pacific (Pridgeon et al. 2001, Aldrich & Haggins 2008, Chung & Hsu 2008, Chantanaorrapint & Chantanaorrapint 2016, Govaerts et al. 2019). The Philippines has six Corybas speci...

Begonia normaaguilariae, a new Philippine Begonia species from the section Baryandra is described and illustrated herewith. It bears a superficial resemblance to B. biliranensis with a repand leaf margin, and obovoid anther shape. However, the new species is unique in reference to its conduplicate stipule, longer capsule pedicel length, and complet...

The extensive forests over limestone of the Samar Island Natural Park (SINP) on Samar Island, Philippines harbour a rich variety of unique species. In this contribution, we describe and illustrate a new Loranthaceous mistletoe, endemic to Samar Island named Decaisnina tomentosa , representing the 12th member of the genus reported to the Philippines...

This checklist provides an updated reference for the economically important ferns that can be used by stakeholders both from the community and academe such as consumers, hobbyists, students, teachers, and researchers alike. Available comprehensive online and printed materials regarding the economic uses of ferns classified under Eupolypod I were us...

Leaf size is one of the plant functional traits that can explain ecosystem function. This study identified the leaf size classes of trees in the forest over limestone ecosystems of Samar Island Natural Park, Samar Island, Philippines. One-sided surface leaf areas of voucher specimens from 18 sites in SINP were measured and data obtained were calcul...

The geographic location, climatic, and soil conditions of Samar Island render a mosaic of varied habitats which harbor numerous endemic, rare, and endangered species of plants. The island province is one of the centers of plant endemism in the Philippines. Included in this rich biodiversity of flora are members of genus Begonia of the family Begoni...

We report Hoya sipitangensis Kloppenb. & Wiberg for the first time on Palawan Island, Philippines. This record extends its distribution northward from Borneo to the Philippines. Additional taxonomic information and photographs from field collections are provided.

This study provides a floral and faunal checklist of limestone forests in Taft, Eastern Samar, Philippines, a municipality that is a part of the Samar Island Natural Park. Nine (9) 20m x 20m plots were established to assess the tree species, while 18 line transects were placed within the plots for the assessment of the under-story species. Various...

This study provides a checklist of the vascular flora and terrestrial vertebrate fauna in forests over limestone in Paranas, Samar Island Natural Park (SINP), Philippines, a UNESCO World Natural Heritage Site nominee. Nine 20x20m plots and 18 line transects were established for the floral inventory. The faunal assessment was conducted in transects...

This study presents the first checklist of the lesser known terrestrial biodiversity in forests over limestone karst of Calicoan Island in Guiuan Marine Reserve Protected Landscape and Seascape, Guiuan, Eastern Samar, Philippines. Plants and terrestrial vertebrate species in nine 20x20 m plots and 18 line transects were recorded and identified. A t...

Changes are evident in fern species richness, composition, and abundance as a result of environmental changes caused by forest conversion to various land use types. This study identified fern species and described its distribution pattern with reference to ecological parameters obtained from various land use types across the northeastern slope of M...

Tan JMP, Banaticla-Hilario MC, Malabrigo P, Angeles MD, JR Buot IE. 2020. Anatomical examination of the petiole of eupolypods I (Polypodiales). Biodiversitas 21: 1767-1777. The efficiency of petiole anatomy characters in identifying and describing the species and families of eupolypods I (Polypodiales) were explored. Specimens of 21 species, repres...

A comprehensive review of literature was carried out to determine the status of plant and animal diversity on forests over limestone in Southeast Asia (SEA), particularly in the Philippines. Angiosperm records are available in Peninsular Malaysia (1216 spp.); West Java and Seram Indonesia (101 and 149 spp., respectively); Laos (135 spp.); Thailand...

Mt. Makiling of Luzon Island, Philippines is home to many living organisms including ferns and fern allies which are one of the important understory vegetation in many forest communities and having various economic uses like food, medicine and ornamentation. This study identified fern species found in various land use types across the northeastern...

This study surveyed the different medicinal plants found in Mount Ma-nunggal, Bgy. Sunog, Balamban, Cebu, Philippines. A series of informal interviews, semi structured questionnaire, and discussions among the key informants was employed to acquire pertinent data. A total of 20 species belonging to 20 genera from 18 families were recorded to be pres...

Fern zonation studies provides information regarding fern composition along the altitudinal gradient of the mountain. In addition, it also recognizes ferns as important bio-indicators for such studies. Fern zonation patterns as well species composition along the northeastern slope of Mt. Makiling during the wet season were determined. The plot t¬ec...

This study aims to determine leaf morphological and anatomical alterations of Mangifera indica L. and Ficus benjamina L. induced by air pollutants in a polluted area (Jones Avenue) and a non-polluted area (Bgy. Malubog) at Cebu City. Free hand sections were done to observe changes in leaf structure. Leaf sections were observed using a stereomicrosc...

This study aims to determine leaf morphological and anatomical alterations of Mangifera indica L. and Ficus benjamina L. induced by air pollutants in a polluted area (Jones Avenue) and a non-polluted area (Bgy. Malubog) at Cebu City. Free hand sections were done to observe changes in leaf structure. Leaf sections were observed using a stereomicrosc...

This study determined the phytoremediation potential of the grass species Paspalum conjugatum Berg. (locally known as carabao grass) in abandoned tailings ponds in Brgy. Paco, Mankayan, Benguet, Northern Philippines. Top soils from an agricultural field, a tailings pond overlaid with top soil and municipal biowaste (TP4), and an abandoned tailings...

Copper contamination by mining activities of CMI in soils and waters of Bgy. Mogpog, Marinduque should be addressed. There is a need to assess the area to identify organisms that have potential to rehabilitate copper contaminated waters and soils. This study aims to assess potential phytoremediators present in the Ino-Capayang Mine-made pond at Bgy...

Copper contamination by mining activities of CMI in soils and waters of Bgy. Mogpog, Marinduque should be addressed. There is a need to assess the area to identify organisms that have potential to rehabilitate copper contaminated waters and soils. This study aims to assess potential phytoremediators present in the Ino-Capayang Mine-made pond at Bgy...

Studies regarding pteridophyte distribution on Mt. Makiling is scarce. A continuous documentation regarding this floral group, with emphasis on distribution, will contribute to the current listings and may contribute to the development of a conservation strategy to preserve the fern flora of Mt. Makiling. The plot technique method was employed alon...