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All Journal JURNAL TEKNOLOGI LINGKUNGAN BIOTROPIA - The Southeast Asian Journal of Tropical Biology Buletin Kebun Raya BERITA BIOLOGI JURNAL BIOLOGI INDONESIA Berita Biologi
Edi Mirmanto, Edi
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Environmental Science Immunology & microbiology Veterinary

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PENELITIAN EKOLOGI HUTAN DI PULAU NATUNA: STATUS HARA DAUN DAN SERASAH Mirmanto, Edi
BERITA BIOLOGI Vol 14, No 1 (2015)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v14i1.1869

Abstract

Forest ecological study with special attention to leaf and litterfall nutrient status has been conducted in several forest types at Natuna Island, Riau Archipelago. Ten plots have been setup which distributed in several forest type areas. Fresh leaf was collected from some dominant tree within the plots, whereas fallen leaves collected from litter traps.Nutrient content especially for N, P, K and Ca analyzed from all combined species of both fresh and fallen leaves.Results of chemical analyses showed that all fallen leaves mineral element concentration, except for Ca,were lower than that in fresh leaf. Presentage of retranslocation of both nitrogen and phosphorus tended to be similar to some earlier studies in several tropical forests. Nitrogen and phosphorus were suspected to be limiting factors of forest growth in this area.
PERMUDAAN ALAMI DALAM HUTAN BEKAS TEBANGAN DI SEKUNDUR, SUMATRA UTARA Mirmanto, Edi
Jurnal Teknologi Lingkungan Vol. 10 No. 3 (2009)
Publisher : Center for Environmental Technology - Agency for Assessment and Application of Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (139.31 KB) | DOI: 10.29122/jtl.v10i3.1477

Abstract

A phytososiological analysis of saplings was made using quadrate method in the six yearsold logged-over forest at Sekundur, North Sumatra. The results showed that within 0.2hectare plot, 123 species belonging to 79 genera and 36 families were recorded. Threecommunity types were recognized, i.e. Agrostistachys longifolia - Teijsmanniodendronsarawakanum, Macaranga hypoleuca - Macaranga pruinosa and Endospermummalaccensis - Macaranga javanica communities. The structure and floristic compositionof each community varies and they were related primarily with the forest distur¬bance.There were found that the number of both species and individuals of sapling decreasedwith increasing of the forest disturbance
KOMPOSISI FLORA DAN STRUKTUR HUTAN ALAMI DI PULAU TERNATE, MALUKU UTARA mirmanto, edi
JURNAL BIOLOGI INDONESIA Vol 6, No 3 (2010): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v6i3.3142

Abstract

ABSTRACTVegetation Analysis of Natural Forest in Ternate Island, North Maluku. A vegetation analysisof the Ternate natural forest has been conducted by establishing 9 plots of each 30-m x 30-m.All trees (dbh. e?10 cm) within all plots were measured, their positions were determined, andtheir species were identified. In total there were 68 tree species recorded within plots belongingto 34 families. Trichospermum morotainense was the most common species, followed byAlbizia falcataria, Elmerilla ovata, Cordia mixa, and Macaranga longicaudatum. Almost allof the common species such as A. falcataria, Tristiopsis canarioides, Pometia pinnata, E.ovata and Intsia bijuga were found as emergent or canopy trees. According to the ordination(DCCA) analysis there were at least three tree species associations which were related tohabitat characteristics (conditions). However the population?s dominant species varied amongsites, which might be related to the habitat characteristics and/or effects of human activities inthe past.Keywords: Vegetation, natural forest, Ternate, North Maluku
ANALISIS VEGETASI HUTAN PAMAH DI PULAU BATANTA, RAJA AMPAT, PAPUA Mirmanto, Edi
JURNAL BIOLOGI INDONESIA Vol 6, No 1 (2009): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v6i1.3173

Abstract

ABSTRACTVegetation Analysis of Lowland Forest in Batanta Island, Raja Ampat, Papua. A vegetationanalysis of Batanta lowland forest has been made by setting up 17 plots of each 30-m x 30-mdistributed in 3 study sites were Yenanas (5 plots), Yensawai (7 plots) and Wailebet (5 plots).All trees (dbh. e?10 cm) within all of 17 plots were measured, and determined their positions,and identify their species. In total there were 171 tree species recorded within plots andbelonging to 108 genera and 40 families. Pometia pinnata was the most common speciesfollowed by Anthocephalus macrophyllus, Pangium edule, Toxotrophis illicifolius, andKoordersiodendron pinnatum. Almost all of common species such as Pometia pinnata,Anthocephalus macrophyllus, Celtis hidebrandii and Intsia bijuga were observed as theemergent and/or canopy trees. According to ordination analysis there were five communitytypes, Aporusa?Pometia, Antocephalus-Toxotrophis, Sterculia-Grewia, Ficus-Antocephalus,and Duabanga-Pterocymbium communities. However floristic compositions varied amongplot sites, which might be a characteristic of vegetation of Papua and the nearby small islands.Keywords: Vegetation, lowland forest, Raja Ampat, PapuaKata kunci: Vegetasi, hutan dataran rendah, Raja ampat, Papua
FITOSOSIOLOGI HUTAN PEGUNUNGAN DI LERENG TENGGARA GUNUNG SALAK Mirmanto, Edi
JURNAL BIOLOGI INDONESIA Vol 10, No 1 (2014): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v10i1.326

Abstract

A phytosociological study has been conducted in the south-east slope of Mount Salak, Sukabumi, West Java.Vegetation data were analyzed using 21 plots made of 30 m x 30 m which covered various habitat conditions. Atotal of ninety seven tree species (dbh. â?¥ 10 cm) were recorded belonging to 72 genera and 39 families. The mostdominant families occurred in the study area were Fagaceae, Hammamelidaceae and Euphorbiaceae, followed byTheaceae, Meliaceae and Sapindaceae. The dominance of those families was apparently from the contribution ofthe most dominant species Altingia excelsa and the other species such as the Schima wallichii, Castanopsis javanica,Pometia pinnata, and Lithocarpus korthalsii. Spatial distribution of the vegetation is affected by altitude and/orhabitat slope which develop forest community patterns, such as lowland forest, lower and upper slope forests, aswell as lower and upper mountain forests. The distribution of tree species also follows this pattern, i.e certainspecies only occur on certain (specific) habitat type.Keywords: species ekology, Gunung Halimun-Salak National Park, phytosociology
KOMPOSISI FLORISTIK DAN STRUKTUR HUTAN DI PULAU NATUNA BESAR, KEPULAUN NATUNA Mirmanto, Edi
JURNAL BIOLOGI INDONESIA Vol 10, No 2 (2014): Jurnal Biologi Indonesia
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v10i2.2100

Abstract

Ecological study has been conducted in the forest area of Natuna Island to reveal the structure and composition oftree species. In the 10 plots of 20 x 40 m each, there were 141 species of trees, with a density of 504 trees / ha and12.35 m2/ha of basal area, which was distributed in three forest types. Myrtaceae was the most common family,followed by Euphorbiaceae and Dipterocarpaceae. On the other hand Arthrophyllum javanicum recorded as themost common species together with Syzygium aemum and Ilex pleiobrachiata. The existence of each of the common speciesvaries in each forest type that shows there was a correlation between the condition of the habitat and the presence ofspecies.Keywords: floristic composition, structure, the Natuna Besar, Riau
DINAMIKA PERTUMBUHAN POHON DI HUTAN RESTORASI BODOGOL TAMAN NASIONAL GUNUNG GEDE PANGRANGO, JAWA BARAT Sadili, Asep; Salamah, Andi; Mirmanto, Edi; Kartawinata, Kuswata
Berita Biologi Vol 22 No 2 (2023): Berita Biologi
Publisher : BRIN Publishing (Penerbit BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/beritabiologi.2023.812

Abstract

The Restored Forest (RF) in Bodogol, Gunung Gede Pangrango National Park (GGPNP) is located in the degraded lowland forest area. The Bodogol RF constituted the area of the ecosystem restoration program, where the initial tree planting was carried out by Mrs. Megawati Soekarnoputri the 5th President of the Republic of Indonesia. In that restored forest area, a study was conducted by establishing one hektare plots. We recorded 26 tree species and 16 families, including 14 tree species that were used in the restoration, four cultivated species, and eight species that naturally enter the site as new arrival (recruitment). The total basal area was 7.47 m2/Ha and tree density was 256 trees/Ha. The mean diameter growth was 1.78 cm/year, and the highest diameter growth was Hibiscus tilliaceus (2.42 cm/year). The mean total height growth was 0.52 m/year, and the highest was Paraserianthes falcataria (0.85 m/year). The density of Toona sureni was very high (61 trees/Ha) and in the future it ay dominate the forest will, therefore other tree species native to Mt. Gede-Pangrango should be planted to enrich the present restored forest so as to encourage the development of mixed lowland or montane forests similar to the original climax forests with high species diversity. Structurally, about 50 % of the RF has been achieved, but species composition still needs further enrichment either by active intervention of planting native TNGGP species if deemed necessary or by allowing succession to take place naturally, although it will take a very long time.
DIVERSITY, ECOLOGY AND CONSERVATION STATUS OF NEPENTHES IN WEST SUMATRA PROVINCE, INDONESIA Mansur, Muhammad; Salamah, Andi; Mirmanto, Edi; Brearley, Francis Q
BIOTROPIA Vol. 30 No. 2 (2023): BIOTROPIA Vol. 30 No. 2 August 2023
Publisher : SEAMEO BIOTROP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11598/btb.2023.30.2.1896

Abstract

Nepenthes is the largest carnivorous plant genus present in Indonesia. There are 39 species of Nepenthes pitcher plants recorded in Sumatra from lowland to montane forests, and 34 of them are endemic; this represents the greatest species diversity of Nepenthes after Borneo. Field studies were conducted in 2021 and 2022 to increase our knowledge of the diversity, habitats and distributions of Nepenthes in West Sumatra province. Twenty-three species of Nepenthes were recorded from the province, consisting of 15 highland species, 4 mid-elevation species and 4 lowland species. Ecophysiological studies conducted at Bukit Malalak showed clumped distributions of N. bongso, N. dubia, N. eustachya and N. rhombicaulis. Foliar and pitcher fluid nutrient concentrations were found to be similar to those cited in other recent studies although growth rates were slightly more rapid than at Gunung Talang. Bukit Malalak is a new locality for two threatened species, namely N. dubia (CR) and N. rhombicaulis (VU), enlarging their extents of occurrence. In total, nine species from West Sumatra are threatened and conservation actions are urgently needed for these and other Nepenthes species remaining on the island.
Co-Authors Andi Salamah Asep Sadili, Asep Brearley, Francis Q Herwint Simbolon, Herwint Kuswata Kartawinata MUHAMMAD MANSUR Pratama, Bayu Arief Ruddy Polosakan, Ruddy