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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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Author-ID : 556845

Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Environmental Science Immunology & microbiology Veterinary

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PENELITIAN EKOLOGI HUT AN LAHAN PAMAH DI BARITO ULU, KALIMANTAN TENGAH: II. SERASAH DAN KANDUNGAN HARANYA [Ecological Studies of Lowland Forest in Barito Ulu, Central Kalimantan: II. Litterfall and Nutritional Content] Mirmanto, Edi
BERITA BIOLOGI Vol 4, No 5 (1999)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

A study on litterfall and their nutrient content has been conducted in the Barito Ulu research station, Central Kalimantan. Five plots of 50m x 50m were established to describe the forest structure and floristic composition. In each plot 10 of 1m x 1m litter-traps were emplaced on 25-28 April 1994, and litterfaii (ieaves, branches, flowers+fruits and miscellaneous) was collected twice at the mid and the end of month from May 1994 until May 1995. The litterfall chemical analyses were made for sampbs collected in May, June, July 1994 (dry season) and November and December 1994 and January 1995 (wet season). The mean annual total litterfall in the five plots was 8,4 t ha yr< (range 7,3-9,5). The total litterfall was highest in October 1994 coinciding with the later part of dry season. The litterfall mineral-element concentrations and accession were below or within the range reported for other tropical forests. On the basis of Vitousek litter nutrient concentration hypothesis phosphorus tended to be more efficiently used than nitrogen. This means that growth of forest would be expected to be more limited by phosphorus. However the results of fertilization experiment in this forest suggested that primary production of forest might be more limited by nitrogen. This is a new information that primary production of lowland tropical forest was also limited by nitrogen. The results in detail of the fertilization experiment will be published separately.

EKOLOGI HUTAN GAMBUT DITAMAN NASIONAL TANJUNG PUTING, KALIMANTAN TENGAH Mirmanto, Edi; Polosakan, Ruddy; Simbolon, Herwint
BERITA BIOLOGI Vol 5, No 3 (2000)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Ecological studies of peat-swamp forest was conducted in the Tanjung Puting National Park,Central Kalimantan. One-hectare permanent plot has been establishes in order to describe the forest structure and floristic composition. Within 1-ha plot 141 species of tree (dbh >10 cm) and saplings (dbh 5-10 cm) belongs to 84 genera and 43 families recorded. Glutta wallichii, Neoscortechinia philippinensis and Gonystyllus bancanus were dominant tree species, whereas Baccaurea racemosa was very dominant for sapling stage.Trees density 2 2 was 728 /ha with basal area of 43.01 m /ha whereas density of sapling was 904 /ha with basal area of 3.8 m /ha. Most (30.7 %) of trees with dbh 10 - 30 cm and only 2.23 % of them reach up to dbh > 50 cm. There are three canopy layers that are I-layer was 26.8-33.6 m,II-layer was 17.8-26.8 m and Ill-layer was 9.8-17.6 m high.

EKOLOGI HUTAN PAMAH BARITO ULU, KALIMANTAN TENGAH: RESPON TERHADAP PEMUPUKAN NITROGEN DAN FOSFOR Mirmanto, Edi
BERITA BIOLOGI Vol 5, No 4 (2001)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

A fertilization was set up in September 1993 in species-rich dipterocarp forest in the Barito Ulu study site in Central Kalimantan.The experiment was unusual in that previously reported fertilizer experiments have been made in montane forest. The following treatments were applied: control, +N, +P and +NP. There were five blocks of four 50m x 50m plots with a separate treatment for each plot. Fine litterfall was collected on all of the plots from May 1994 for one year. There was evidence of higher litterfall quantities and increased of P and N in the litterfall. All trees (> 10 cm dbh) were measured in August 1993 and in July 1994 and there was a clear girth increment response of some dipterocarp species to +NP and small size of trees to +N.

HABITAT PRIMATA DI STASIUN PENELITIAN KETAMBE, TAMAN NASIONAL G. LEUSEUR, ACEH MIRMANTO, EDI
BERITA BIOLOGI Vol 3, No 5 (1986)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

EDIMIRMANTO.1986, The habitat of primates at the Ketambe Research Station, G. Leuseur National Park, Aceh. Berita Biologi 3(5): 232-239.A phytosociological analysis of the habitat of primates in Ketambe area, was conducted, using point-centered quarter method.Three groups of samples in ordination of Bray & Curtis were recognized.The groups are represent three community types, i.e. Aglaia-Paranephelium community, Dysoxylum-Aglaia community and Shorea Parashorea community.These three community types are useful for their survival of primates, as source of food as well as transportation support.

ANALISIS VEGETASI DI PULAU BINTAN, KEPULAUAN RIAU Pratama, Bayu Arief; Mirmanto, Edi
BERITA BIOLOGI Vol 18, No 3 (2019)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v18i3.3715

Ecological study with special attention to vegetation analysis has been done in the Bintan forest area, Riau Archipelago. Based on three sampling plots of 30 × 30 m, there were 73 tree (dbh ? 5 cm) species were recorded, belong to 64 genera and 32 families. The density is fairly high (1,485 individuals /ha) with total basal area relatively low (27.71 m2/ha). Its indicates that most of trees are small size. Similarity index among study sites are relatively low (< 25 %), indicates that there is strong relation between habitat and species composition. Out of the 6 most common tree species in the study area, only Dipterocarpus gracillis was dominant in 2 study sites. Overall species diversity is relatively low, which is characteristic of forest vegetation on small islands.

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

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.

Co-Authors Andi Salamah Asep Sadili, Asep Brearley, Francis Q Herwint Simbolon, Herwint Kuswata Kartawinata MUHAMMAD MANSUR Pratama, Bayu Arief Ruddy Polosakan, Ruddy

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