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All Journal Jurnal Ilmu Pertanian Indonesia Forum Pasca Sarjana REINWARDTIA BERITA BIOLOGI JURNAL BIOLOGI INDONESIA Reinwardtia

Tukirin Partomihardjo

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Author-ID : 340597

Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Immunology & microbiology

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KEANEKARAGAMAN FLORA CAGAR ALAM NUSABARONG, JEMBER - J AWA TIMUR Partomihardjo, Tukirin; Ismail, Ismail
BERITA BIOLOGI Vol 9, No 1 (2008)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Flora of Nusa Barong Nature Reserve, Jember-East Java, was intensively surveyed in 2005. At least 357 specimens consist of 282 species belonging to 232 genera and 88 families have been collected during the survey. Those are includes four species of Pterydophytes and 278 species of Spermatophytes. Among them there were three protected species Corypha utan, Excoecaria agalloca and Protium javanicum. Based on the IUCN categorization status, there were five species under threatened condition, i.e.Agalia edulis (LR/nt), Casearia flavovirens (VU.Bl+2c), Cycas rumphii (NT decreasing), Intsia bijuga and Intsia palembanica,both under VU.Al.cd.The natural population of these last two species was drastically decreasing due to the international trade. Most of the species recognized as new records for the island since there was no complete flora record of the area. Further studies are needed to gain more complete biodiversity information of small island ecosystem.

KERAGAMAN GENETIKA POPULASI PELAHLAR (Dipterocarpus littoralis (Bl.) Kurz) DIPULAU NUSAKAMBANGAN BERDASARKAN PROFIL ENHANCED RANDOM AMPLIFIED POLYMORPHIC DNA Yulita, Kusumadewi Sri; Partomihardjo, Tukirin
BERITA BIOLOGI Vol 10, No 4 (2011)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Dipterocarpus littoralis is a commercial timber species endemic to Nusakambangan island. Their existence is under severe threat due to habitat conversion and illegal logging. This study aimed to assess genetic diversity of this species within and among populations using E-RAPD. Three arbitrary RAPD primers were modified by addition of two nucleotides at their 5 termini.E-RAPD profiles were obtained by performing PCR amplification using the modified primers. Forty-five putative loci of E-RAPD were scored and analysed using POPGENE software. Some of the RAPD bands (OPA 9E-200 and 850 bp) were distinctively found for population 2, thus it served as population diagnostic marker for this population. Genetic diversity within population (0.1540) was higher than that of among populations (0.0418). Genetic differentiation (Gst) indicated that 21.35% of total genetic diversity in D. littoralis was attributed to the differences among populations. The highest genetic diversity was found in population 2(He:0.1923; 1:0.3158), while the lowest genetic variation was observed in population 1 (He: 0.0828; 1: 0.1209). Total genetic diversity for all population (Ht) was 0.1958 with an average value of genetic diversity within populations (Hs) was 0.1540. This fact suggested high level of genetic diversity found on these relic populations.

ANALISIS PREDIKSI SEBARAN ALAMI GAHARU MARGA Aquilaria DAN Gyrinops DI INDONESIA Roemantyo, Roemantyo; Partomihardjo, Tukirin
BERITA BIOLOGI Vol 10, No 2 (2010)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v10i2.1972

A spatial analysis was applied to predict the natural distribution of agarwood producing taxa of Aquilaria and Gyrinops in Indonesia.This research was conducted using herbarium materials which deposited in Hebarium Bogoriense, Research Center for Biology-LIPI and field data collected by researcher within periods of 1992-2009. Time serial maps of 1:250.000 were used in this analysis such as Indonesia digital base map of 1990, province land cover and deforestation digital maps of 1989 and 2005.Every sites of herbarium collection was identified using digital Cyclopedia of Malesian Collectors for the name of village/place and date of collection. The coordinate of those sites comprises latitude, longitude and altitude was retrieved by query method using Indonesia digital geo-reference data. Tabulated data of every collection/data was created and then overlaid to the time serial land cover and deforestation maps using GIS software, to identify the recent condition of that area. The results show that horizontal natural distribution of Aquilaria was mainly occur in the western part of Indonesia, while Gyrinops in eastern part of Indonesia. Vertical distribution analyses of the Aquilaria and Gyrinops showed that in general both genera are mainly grown naturally in the low land areas less than 300 m asl. Spatial analyses using time serial land cover and deforestation maps indicated that low land areas less than 300 m asl. having very high risk on the land use changes, whereas increasing land status classification from six on 1989 to fifteen on 2005. More than 20 % of forested areas have been change into non forest area such as plantation, agricultural land, resettlements and open unproductive lands since 1989. Natural distribution of agarwood producing taxa horizontally and vertically on all of major islands and the conservation strategy were discussed in this paper.

EKOLOGI DAN PERSEBARAN GEWANG (Corypha utan Lamk.) DI SAVANA TIMOR, NUSA TENGGARA TIMUR Partomihardjo, Tukirin; Naiola, BP
BERITA BIOLOGI Vol 9, No 5 (2009)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

A study of the distribution and ecology of Corypha utan Lamk. (gewang) within the natural habitat of savana ecosystem at Usapisonbai village area, Kecamatan Nekamese, Kabupaten/Regency Kupang, East Lesser Sunda Islands was conducted to gain an understanding factors controlling distribution and dynamics populations of the species. Three plots with total of 2.1 ha were established at different sites. Reconnaissence throughout the study area revealed that gewang grows in the lowlands below 200 m altitude, but away from the immmediate vicinity of the sea. Populations were studied within different savana types. It was concluded that gewang appears to be relatively associated to the open areas. The abundance of gewang within the study area formed the main savana vegetation as savanna gewang type. Distribution pattern of gewang within the study area tend to be concentrated at the lower part of the plots in particular at relatively flat areas. Examination of seedling and sapling densities in relation to parent trees revealed a large number of propagules fallings to disperse, and in consequence tendencies toward dumb distributions. The seedlings tend to grow under dead parent tree and or at flat of lower areas. Based on the population structure, gewang revealed has good regeneration strategy with high population of younger stages.

DISTRIBUSI VERTIKAL DAN HORIZONTAL Asplenium nidus L. DI TAMAN NASIONAL GUNUNG HALIMUN, JAWA BARAT Mansur, Muhammad; Kohyama, Takashi; Simbolon, Herwint; Partomihardjo, Tukirin; Tani, Tomokazu
BERITA BIOLOGI Vol 7, No 1&2 (2004)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

The study was carried out on August 2000 to July 2001, in 1-ha permanent plot, near Cikaniki Research Station, in Halimun Mountain National Park, West Java.The results shows that, from 1 ha (100 sub plots, each 10x10 m size) studied there were 388 individual numbers of Asplenium nidus L. with some variation on rosette leaves size. The individual numbers of A. nidus were greater at host plant stem with diameter class distribution between 1.3-9.9 cm (45,6%), and than percentages value were decreased in the larger of host plant stem diameter class. Also the individual numbers of A. nidus were greater at under 5 m height position above ground, that is 252 (65,1%).There were no correlation between host plant height (tree trunk height) and A. nidus height position above ground.However there were little linear correlation between rosette leaves size with stem diameter of host plant(Y=1.5586x+317.37 and R =0.0211), and little linear correlation between rosette leaves size with host plant height(Y=2.8241x+304.63, and R =0.0226), but there were no significant increased for both. It was assumed the effects of microclimate(temperature, humidity, light, and rainfall) to distribution of A. nidus as well as horizontal or vertical distribution.

Co-Authors Edy Sambas Herwint Simbolon, Herwint Kohyama, Takashi KUSUMADEWI SRI YULITA LILIK BUDIPRASETYO MUHAMMAD MANSUR Muhammad Wiharto Naiola, BP Riyanto, Awal Riyanto, Awal Roemantyo Roemantyo Sambas, Edy Soemarno, Suprayogo Soemarno, Suprayogo Tani, Tomokazu Wawangningrum, Hary Wawangningrum, Hary Yundari, Yundari

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