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Development of endemicity and conservation importance indices for tropical forests and the floral diversity assessment of *** in Benguet,Philippines

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Journal of Mountain Science 2024年第3期21卷 786-804页

作者： Johndale Rein T.BULLONG Jim P.SILVERIO Joanna I.ALAFAG mari.el a.guron Jones T.NAPALDET Department of Environmental Science Benguet State UniversityLa Trinidad 2601Philippines Department of Biology Benguet State UniversityLa Trinidad 2601Philippines

The scientific community faces the challenge of measuring progress toward biodiversity targets and indices have been traditionally ***,recent inventories in secondary tropical mountain forests using traditional biodiversity indices have yielded results that are indistinct with primary *** shows the need to develop complementary indices that goes beyond species count but integrates the distribution and conservation status of the *** study developed endemicity and conservation importance index for tropical forest that incorporated the distribution and conservation status of the *** indices were applied to ***,a remnant primary mossy forest in Buguias,Benguet,Philippines,that resulted to endemicity index of 81.07 and conservation importance index of *** these with secondary forest sites with comparable Shannon-Wiener,Simpson,Evenness and Margalef’s indices,our endemicity and conservation indices clearly differentiates primary forest(our study site)with higher values from secondary forests with much lower ***,we are proposing these indices for a direct but scientifically-informed identification of specific sites for conservation and protection in tropical ***,our study documented a total of 168 vascular plant species(79 endemic and 12 locally threatened species)in *** are of tropical elements for both generic and species levels with some temperate elements that could be attributed to the site's high elevation and semi-temperate *** are important baseline information for conservation plans and monitoring of tropical mossy forests.

关键词： Endemicity index Conservation importance index Cordillera Central Range Floristic element Jaccard Index of Similarity

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Distribution and morpho-anatomical characterization of ’Beket’(Coriaria japonica subsp. intermedia(Matsum) T.C. Huanh) in Cordillera Central Range, Northern Philippines

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Journal of Mountain Science 2020年第9期17卷 2136-2147页

作者： mari.el a.guron Jones T.NAPALDET Biology Department Benguet State UniversityBenguet 2601Philippines University of Philippines Los Banos Laguna 4031Philippines

Coriaria,the only genus under family Coriariacea,receives a lot interest among botanist due to its controversial taxonomic treatment and unique phytochemistry that could be commercially *** populations of Coriaria japonica *** in Cordillera Central Range(CCR),Philippines had never been studied in *** the need for more information on this controversial genus,the study deemed it necessary to present the distribution and morpho-anatomical description of *** *** in CCR.A total of 123 populations were documented,found at an elevation range of 1334 to 2494 m asl and stretched between16°31’37.7"to 17°5’47.8"N and 120°39’40.3"to120°55’48"*** these populations showed a narrow linear pattern of distribution concentrated at the southern portion of *** plant is a shrub with simple leaves,collateral buds,raceme inflorescence,bisexual flowers with persistent perianth forming an accessory fruit after *** terms of anatomy,much are of the usual dicot characters such as dorsiventral leaf with stomata concentrated in the lower epidermis,eustele with pith in the stem andpresence of secondary growth both on old stem and old *** findings of the study include the123 populations,the larger leaf measurements,longer petals and larger fruits than the original description given by ***,the paracytic type of stomata and presence of pith in the primary roots of *** *** are interesting since these are common monocot characters while the plant is *** findings are additional information that could help clear the controversies on the genus *** importantly,our results could provide essential information for understanding the plant and for developing conservation strategies not just for this plant but also for the other related plants in the CCR biogeographical zone.

关键词： Coriaria japonica subsp.intermedia Cordillera Central Range Geographical distribution Paracytic type Pith in dicot root

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