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All Journal HAYATI Journal of Biosciences Jurnal Ilmu Pertanian Indonesia MEDIA KONSERVASI Journal of Tropical Life Science : International Journal of Theoretical, Experimental, and Applied Life Sciences Biogenesis: Jurnal Ilmiah Biologi AGRIVITA, Journal of Agricultural Science Jurnal Sumberdaya Hayati Bioeksperimen: Jurnal Penelitian Biologi Journal of Tropical Biodiversity and Biotechnology BERITA BIOLOGI Jurnal Biodjati Jurnal Penelitian Pendidikan IPA (JPPIPA) Biosaintifika: Journal of Biology & Biology Education Jurnal Entomologi Indonesia Floribunda Journal of Tropical Ethnobiology Otus Education Jurnal Biologi dan Pendidikan Biologi Bioindikator: Jurnal Biologi dan Pendidikan Biologi Ecobios Journal of Environmental Science Jurnal Biosilampari: Jurnal Biologi
Sulistijorini
Departemen Biologi, Fakultas Matematika Dan Ilmu Pengetahuan Alam, Institut Pertanian Bogor, Kampus IPB Dramaga, Bogor 16680
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Energy Environmental Science Immunology & microbiology Materials Science & Nanotechnology Medicine & Pharmacology Physics

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 1 
Litter Decomposition Rate of Avicennia marina and Rhizophora apiculata in Pulau Dua Nature Reserve, Banten Febriana Siska; Sulistijorini Sulistijorini; Cecep Kusmana
Journal of Tropical Life Science Vol. 6 No. 2 (2016)
Publisher : Journal of Tropical Life Science

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Abstract

Litter decomposition rate is useful method to determine forest fertility level. The aims of this study were to measure decomposition rate, and analyze the nutrient content released organic carbon, nitrogen, and phosphor from Avicennia marina and Rhizophora apiculata litters during the decomposition process. The research was conducted in the Pulau Dua Nature Reserve, Serang-Banten on A. marina and R. apiculata forest communities. Litter decomposition rate measurements performed in the field. Litter that has been obtained with the trap system is inserted into litter bag and than tied to the roots or trees to avoid drifting sea water. Litter decomposition rate was measured every 15 days and is accompanied by analysis of the content of organic C , total N and P. Our research results showed decomposition rate of A. marina (k= 0.83) was higher than that of R. apiculata (k= 0.41). Differences of  leaf anatomical structure and sea water salinity  influenced to the rate of litter decomposition. Organic C released was declined with longer of litter decomposition, on the contrary of releasing N and P nutrients.
Allelopathy Potential of Alpinia malaccensis (Burm. F.) Roxb. due to Seeds Germination and Growth of Merremia peltata (L.) Merril Siti Aisah; Sulistijorini Sulistijorini; Titiek Setyawati
Journal of Tropical Life Science Vol. 8 No. 2 (2018)
Publisher : Journal of Tropical Life Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/jtls.08.02.05

Abstract

Allelopathy is a natural strategy for the protection or inhibition toward other vegetation through the release of chemicals into the environment. Alpinia malaccensis is thought to be capable of carrying out allelopathic mechanisms, as this species is found to grow well on land invaded by Merremia peltata. Invasive type control with alleopathic mechanism is an alternative to consider as it does not leave a potential residue as a contaminant of soil as it is chemically controlled. The study attempt to investigate the content of A. malaccensis allelochemicals and analyzed the alelopathy potential of A. malaccensis on seed germination and seedling growth of M. peltata. Research method used completely randomized design with 6 replicates for seed treatment and three replicates for seedling treatment. Seeds which have relatively similar size and weight were obtained from the field. Seeds were germinated in petri dishes that have been coated by filter paper, each petri dish contained 6 seeds of M. peltata. The treatment of the seeds germination was performed by giving 3 ml of rhizomes and leaves extracts of A. malaccensis (control, 30 g/L, 60 g/L, 90 g/L, 120 g/L, and 150 g/L). The treatment of the seedlings was performed by giving 30 ml of rhizomes and leaves extracts of A. malaccensis (control, 50 g/L, 100 g/L, 150 g/L, and 200 g/L). The analysis of chemical compounds of fresh rhizomes and leaves showed that A. malaccensis contains alcohol, amide, fatty acid, phenol, ketones, and terpenoids. Rhizomes and leaves extracts 150 g/L of A. malaccensis showed the highest inhibition in germination, dry weight, plumule and radicle length of M. peltata sprout parameters. Rhizomes and leaves extract 200 g/L of A. malaccensis showed the highest inhibition in tendril length, amount of leaves, length and width of M. peltata leaves parameters. To be more efficient, application in the field should use low concentration of extracts that can inhibit the M. peltata. Results of this study are expected to provide information about alternative solutions to suppress the invasion of M. peltata to preserve ecosystems of Bukit Barisan Selatan National Park (BBSNP) in Lampung.
Tetracera scandens as a Medicinal Plant: Secretory Structures, Histochemistry, and Antibacterial Activity Evi Muliyah; Sulistijorini Sulistijorini; Yohana Cecilia Sulistyaningsih; Mohamad Rafi
Journal of Tropical Life Science Vol. 8 No. 1 (2018)
Publisher : Journal of Tropical Life Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/jtls.08.01.12

Abstract

Tetrascera scandens, a member of Dilleniaceae, is used for traditional medicine; the stem is utilized by the Anak Dalam tribe of Jambi Province, Sumatera island, Indonesia, to treat diarrhea symptoms. The aims of this study were to identify the secretory structures, histochemical aspects, and the antibacterial potency of T. scandens stem. Histological study of the secretory structures of T. scandens stem was carried out. The species has idioblast cells and trichomes as its secretory structures. Histochemical analysis indicated the substance secreted by T. scandens idioblast cells mainly contains alkaloids, terpenoids, and phenols. Trichomes of T. scandens only contain flavonoids. The antibacterial activity of methanol extracts was tested against Staphyllococcus aureus and Escherichia coli. Different concentration of extracts was tested using the well diffusion method. According to the results, 100 mg/mL T. scandens extract showed the best inhibitory activity with a maximum inhibition zone of 17.7 mm against S. aureus and of 12.5 mm against E. coli. This study provides scientific evidence that the stem of T. scandens has antibacterial activity and justifies its use by the local community.
Growth and Development of Apogamous Adiantum lunulatum Burm. f. Gametophyte from Dry and Humid Areas in Java Island Risti Novitasari; Tatik Chikmawati; Sulistijorini Sulistijorini
Journal of Tropical Life Science Vol. 7 No. 2 (2017)
Publisher : Journal of Tropical Life Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/jtls.07.02.15

Abstract

Adiantum lunulatum Burm. f. has been widely used in aesthetic needs and medical fields. Detail information about the life cycle of A. lunulatum is still unknown, particularly about its gametophyte generation. Present work aimed to study and compare the growth and development of the gametophytes of A. lunulatum from dry and humid areas. Research method consists of two stages: (1) Spores were collected from two locations, Pasuruan and Bogor and (2) Spores were planted and observed the growth and development of gametophyte. The result showed that natural habitat of the plant in various dry and humid areas, affecting the rate of growth and development rates of A. lunulatum gametophyte. The gametophyte from the dry area showed faster rate of growth and development than that of humid areas. The spores collected from dry area need 9 weeks for germination, growth, and development while the spores of humid area took 22 weeks.
The Autecology of Genus Dischidia (Asclepiadaceae) in Bangka Island: Characteristics of Vegetation and Abiotic Environmental Factors Affecting Abundance Yuliani Hajari; Sulistijorini Sulistijorini; Nunik Sri Ariyanti
Journal of Tropical Life Science Vol. 8 No. 3 (2018)
Publisher : Journal of Tropical Life Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/jtls.08.03.09

Abstract

Dischidia is an epiphytic plant, it is used as herbal medicine and has economic value. In addition, Dischidia also has an ecological function. Moreover, some species of Dischidia are endemic in a particular region. Various forest types occur in Bangka Island serves as natural habitat for this epiphytic plant. This research aimed to record the diversity and abundance of Dischidia and analyze those environmental factors which affect its abundance. The research was conducted in August – September 2016 at Bangka Island. Three plots of 20 × 20 m² were placed with a minimum interval of 50 m in the habitat where Dischidia are found. The species diversity and abundance of Dischidia as well as abiotic factors such as temperature, humidity, light intensity, wind speed, and altitude were recorded in these plots. The vegetation structure was analyzed based on index of diversity, index of dominancy and index of evenness. Data on the environmental condition and abundance of Dischidia were then analyzed using Canonical Correspondence Analysis (CCA) method with Canoco 4.5 software. Five species of Dischidia were found in Bangka Island that are Dischidia bengalensis, Dischidia imbricate, Dischidia nummularia, Dischidia rafflesiana, and Dischidia hirsute. Dischidia is found in 14 species of host plants. D. imbricate (23 individual plants) occurred in the heath forest at Pejem showed the highest abundance. Epiphytic fern plants, the Asplenium nidus (27 individual plants), was the dominant epiphytes found in the host tree of Dischidia The CCA showed that light intensity, temperature and humidity influenced the abundance of Dischidia.
Anatomical Characters Used for Defining Five Species of Nepenthes from Bangka Belitung Islands, Indonesia Sakina Rizqiani; Nunik Sri Ariyanti; Sulistijorini Sulistijorini
Journal of Tropical Life Science Vol. 8 No. 3 (2018)
Publisher : Journal of Tropical Life Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/jtls.08.03.14

Abstract

Anatomical structures may vary among the species of Nepenthes. Therefore, the anatomical characters apparently could be used for supporting the morphological characters in identifying species. This study aimed to seek a valuable anatomical character for identifying and defining five species of Nepenthes occur in Bangka Belitung Islands. Samples of leaves, pitchers and its lids of Nepenthes gracilis, Nepenthes mirabilis, Nepenthes ampullaria, Nepenthes rafflesiana, and Nepenthes reinwardtiana were collected and prepared for paradermal and transverse section of microscope slides. The results showed that the anatomical characters of the leaves, pitchers and lids from these five species of Nepenthes could be used for differentiating five species Nepenthes observed. The absence of nectary gland at the abaxial of pitcher lids of N. gracilis and N. ampullaria separate them from others species. The leaf epidermis of these two species have different cell wall. The length of lunate cells at the inner surface of upper half pitchers are comparable for identifying the pitchers of N. mirabilis from those of N. reinwardtiana.  The presence of crystal at the parenchymal tissue of pitcher differentiate N. rafflesiana from the four others.  In this research, the identification key for Nepenthes from Bangka Belitung Islands based on the anatomical character was presented.
Ecology of Rafflesia arnoldii (Rafflesiaceae) in Pandam Gadang West Sumatra Syafroni Pranata; Sulistijorini Sulistijorini; Tatik Chikmawati
Journal of Tropical Life Science Vol. 9 No. 3 (2019)
Publisher : Journal of Tropical Life Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/jtls.09.03.02

Abstract

Pandam Gadang has tropical forests which become the habitat of Rafflesia (Rafflesia arnoldii) which grows as a parasite of Tetrastigma (Vitaceae). Study on R. arnoldii is needed since its population continuously decrease as a result of habitat destruction of its host. The aim of the study was to determine habitat conditions, vegetation structure, and characteristic of the host species of Rafflesia; to identify environmental factors, and determine the Rafflesia habitat suitability in Pandam Gadang Koto Tinggi Village, West Sumatra. Analysis of vegetation in the habitat where Rafflesia grows using a circular plot. The number of individuals Rafflesia found was recorded and completed with observations of its morphology. Micro-climate measurements were carried out together with data collection in the field. Flower morphological analysis was descriptively presented. Environmental parameters were-processed with Canoco software 4.56 using Canonical Correspondence Analysis. Habitat suitability was analyzed using Maximum Entropy. The 17 Rafflesia individuals found on Pandam Gadang were R. arnoldii, known as "Cendawan Biriang", living parasitically on Tetrastigma leucostaphylum. The results of analysis of vegetation in the Rafflesia habitat showed that there were 250 individual plants consisting of 42 species and 21 genera. Seedlings most dominant was Lauraceae, belt were dominated by Moraceae, Meliaceae, and Euphorbiaceae. Trees were dominated by Euphorbiaceae, Moraceae, and Meliaceae. Existence and survival of R. arnoldii depended on soil pH 7-7.8, environmental humidity 83-91.8 % and distance from the nearest river 3-27.8 m.
Co-Authors , Triadiati AHMAD BEY Aisha Zea Almahyra Amanatun Nisa Andesmora, Evan Vria Anis Syakiratur Rizki Arsya Zafran Alvarendra Budi Setiawan Cecep Kusmana Dafi Al Anshory Deden Girmansyah Devi Eka Lestari Dianti Mayadika Putri Dianti Mayadika Putri Dwika Bramasta Fadel Nugraha Fadilah, Anisa Febriana Siska Firman Ali Rahman Firman Ali Rahman Firman Ali Rahman Firman Ali Rahman Firman Ali Rahman Firman Ali Rahman Ali Gunawan Gunawan Gunawan Gunawan Hamim Haris Maulani Hasan Basri IBNUL QAYIM Ilma Rahmawati Ilma Rahmawati Indah A. Sari Indah Anugrah Sari Iskandar, Suci Dian Hayati Laksmi Puspitasari Made Ari Sanjaya Mai Rizali MARIA BINTANG Martyna M Kotowska Masrayani Sulaeman Masyarani Sulaiman Mohamad Rafi Mohamad Rafi Muhammad Basrowi Muhammad Shohibul Ihsan Muliyah, Evi MUTTAQIN, MAFRIKHUL Nilna Kamala Nina Ratna Djuita NIZAR NASRULLAH Nofi Utari NUNIK SRI ARIYANTI Nurul Aini Nurul amalia fadhila Peniwidiyanti Rambe, Saidah Putri Risti Novitasari Rugayah Rugayah Safniyeti Safniyeti Safniyeti Safniyeti Safniyeti Safniyeti Sakina Rizqiani Siti Aisah Slamet Arif Susanto Sobir Sobir Sobir Sobir SOEKISMAN TJITROSEMITO Sri Rahayu Syafroni Pranata Tabitha Sri Hartati Wulandari TATIK CHIKMAWATI Taufik Arianto Taufik Arianto Taufik Arianto Titiek Setyawati Tri Atmowidi Y. Purwanto Yelastri Yelastri Yohana C. Sulistyaningsih Yohana Cecilia Sulistyaningsih Yohanes Purwanto Yuliani Hajari Yuliantin ZAINAL ALIM MASUD