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RISS 인기검색어
- 검색키워드
- 저자 : Bonifacio O. Pasion (검색결과 2 건)
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Bonifacio O. Pasion,Carolyn DP. Barrias,Milagrosa P. Asuncion,Abelardo H. Angadol,Robert R. Pabiling,Arsenio Pasion Jr.,Archiles A. Braulio,Agaton M. Baysa Jr. 국립중앙과학관 2021 Journal of Asia-Pacific Biodiversity Vol.14 No.1
Riparian zones are a small portion of a watershed but hold a diverse and important ecosystem functioning. We assessed diversity and carbon density of pole (5e10 cm DBH) and canopy (>10 cm DBH)trees along a riparian zone in Pasonanca Natural Park, southern Philippines. We identified 66 species,which included 41 canopy and 54 pole tree species, and comprised 46 indigenous, 18 Philippine endemics,and two exotic species. We recorded eight vulnerable (VU) and two endangered (EN) speciesunder the Philippine Red List, whereas five VU, three EN, and six critically endangered (CR) species wererecorded under the IUCN Global Red List. We estimated the Hill number of canopy trees at 60.91 12.14species and the Shannon diversity H’ was 49.57 5.15, whereas the pole tree was 77.87 12.60 specieswith diversity H’ of 33.07 3.77. The estimated carbon density was 128.42 39.04 MgC ha 1, majorityfrom canopy trees (101.51 63.52 MgC ha 1). We found an asymptotic and strong positive relationship(R2 ¼ 0.81; p ¼ <0.001) between species dominance and carbon density. Our result highlighted the roleof dominant species in maintaining ecosystem function, which can be considered when managing riparianecosystems as they perform better in storing and sequestering carbon.
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Diversity and threats to cave-dwelling bats in a small island in the southern Philippines
Ma. Niña Regina M. Quibod,Phillip A. Alviola,Anna Pauline O. de Guia,Virginia C. Cuevas,Ireneo L. Lit Jr.,Bonifacio O. Pasion 국립중앙과학관 2019 Journal of Asia-Pacific Biodiversity Vol.12 No.4
More than 2,000 caves have been documented in the Philippines, yet cave research is very limited. Thisstudy was conducted to provide benchmark information on the diversity and ecology of cave-dwellingbats from Samal Island, a small island in the southern Philippines. Bats were surveyed from thirtycaves of varying physical features and disturbances. Fifteen species of bats were identified in the island;14 of which are new records for the island, increasing the island distribution of the identified bats in thecountry. The abundance of cave-dwelling bats varied from low to high density, with some caves estimatedto harbor more than 10,000 individuals. Abundance and richness of cave-dwelling bats positivelyincreased with longer cave length, higher ceilings, bigger and multiple entrances, and presence of water. The Bat Cave Vulnerability Index (BCVI) revealed three high priority caves, 12 medium priority caves and15 low priority caves, indicating the importance of standardized method in assessing cave disturbance. Traces of tourism and hunting were the most common disturbance factors. The results of this studyhighlight the need for fundamental data on the distribution, diversity, and ecology of cave-dweling batsin the Philippines.
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