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Proceeding International Conference on Global Resource Conservation
Published by Universitas Brawijaya
ISSN : -     EISSN : -     DOI : -
Core Subject : Health, Education,
Health Professions Other
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Articles 52 Documents
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Search results for , issue " Vol 4, No 1: Proceeding of 4th ICGRC 2013" : 52 Documents clear
Conservation Notes on Syzygium ampliflorum (Koord. & Valet.) Amshoff and Several Related Species in Java Kusuma, Yayan Wahyu C.
Proceeding International Conference on Global Resource Conservation Vol 4, No 1: Proceeding of 4th ICGRC 2013
Publisher : Proceeding International Conference on Global Resource Conservation

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (0.209 KB)

Abstract

Syzygium ampliflorum is listed as Critically Endangered by IUCN red list since 1998. It is an endemic species with a restricted distribution confined to Mount Galunggung, West Java, Indonesia. Revisitation study was conducted by surveying the same area where the species is firstly found and described in 1900. Of the four forest localities as the survey area around the Mount Galunggung there were no detection of the species existence. Meanwhile, eleven other congeneric species (Syzygium racemosum (Blume) DC., Syzygium acutatum (Miq) Amshoff, Syzygium pyrifolium (Blume) DC., Syzygium macromyrtus (K & V) Merril & Perry, Syzygium aemulum (Blume) Koord. & Valeton., Syzygium antisepticum (Blume) Merril & Perry, Syzygium pycnanthum Merril & Perry, Syzygium klampok (Miq.) Amshoff, Syzygium rostratum (Bl.) DC., Syzygium samarangense (Blume) Merril & Perry and Syzygium nervosum DC.) were still found in the study area. Based on the result, there are still some possibilities on the existence of the species. Nevertheless, this species is still enigmatic. Therefore, restate its conservation status as Critically Endangered is more appropriate then include it into Data Deficient. Keywords: endemic, IUCN, ki sireum, reassessment, Redlist, revisitation 
The Contribution of Ragunan Fern Data to the Indonesian Urban Pteridology Studies Ulfa, Erlandy; Wardhani, Wita; Sedayu, Agung
Proceeding International Conference on Global Resource Conservation Vol 4, No 1: Proceeding of 4th ICGRC 2013
Publisher : Proceeding International Conference on Global Resource Conservation

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (0.209 KB)

Abstract

Ragunan Zoo is among few large green areas in Jakarta where the natural local flora remains, including ferns, are capable to proliferate according to habitat availability. We performed a pteridology survey in Ragunan and found 21 fern species, most of which was free living species, not cultivated species. In fact, the highest importance values were held entirely by free living species, Amphineuron terminans (Thelypteridaceae; 32.93), followed by Sphaerostephanos appendiculata (Thelypteridaceae; 27.70), Nephrolepis biserrata (Lomariopsidaceae; 26.63), and Adiantum tenerum (Adiantaceae; 22.01). The Shannon-Wiener diversity index for Ragunan ferns was 2.39 (high-moderate). When compared to other urban and conservational areas (using existing literatures), Ragunan fern species number is within range of average species number curve constructed by both areas. We believe in ferns, the anemochorous spore dispersal mode and the capability of long range dispersal are very important, thus expanding the recruitment and establishment rate in urban habitats, especially those less-managed, comparable with those in conservational areas.  Key words: conservational area, ferns, spore dispersal, urban habitat

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