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INDONESIA
JURNAL BIOLOGI INDONESIA
Published by Lembaga Ilmu Pengetahuan Indonesia
ISSN : 08544425     EISSN : 2338834X     DOI : -
Core Subject : Science,
Biochemistry, Genetics & Molecular Biology
Arjuna Subject : -
Articles 847 Documents
 1   2   3   4   5 
Adaptasi Ekofisiologi Terhadap Iklim Tropis Kering: Studi Anatomi Daun Sepuluh Jenis Tumbuhan Berkayu Rindyastuti, Ridesti; Hapsari, Lia
JURNAL BIOLOGI INDONESIA Vol 13, No 1 (2017): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2290.447 KB) | DOI: 10.14203/jbi.v13i1.3089

Abstract

ABSTRACTStudy on foliar anatomic structure of tropical plants are useful to study various aspects of plant life related to photosynthetic, productivity, carbon sequestration, adaptation to environmental stresses as the results of global climate change, etc. This study was conducted to investigate foliar anatomic structure of ten tropical woody plant species including Barringtonia asiatica, Dracontomelon dao, Heritiera littoralis, Diospyros discolor, Calophyllum inophyllum, Antidesma bunius, Schleichera oleosa, Syzygium cumini, Madhuca longifolia dan Adenanthera pavonina; also to discuss its implication to ecophysiological adaptation to tropical dry climate. The results showed that ten woody plant species studied had variation of adaptation pattern to dry tropical climate, exposure to high light intensity or open shade and photosynthesis activity. Plant species in Group II (Antidesma bunius, Madhuca longifolia and Adenanthera pavonina) has relatively higher adaptation compared to Group I (Diospyros discolor, Calophylum inophyllum, Dracontomelon dao, Schleichera oleosa, Heritiera littoralis, Baringtonia asiatica and Syzygium cumini). Some foliar anatomic structures including palisade shape and size, stomatal index, stomatal density, spongy mesophyll thickness, the ratio of P/T and P/S are important characters that can be used as indicator of changes in environmental factors; particularly the density of stomata as indicators of climate change in dry tropic area.Keywords: adaptation, dry climate, eco-physiology, foliar anatomy, woody plant
Kajian Aspek Reproduksi Ikan Endemik Bonti-bonti (Paratherina striata) di Danau Towuti, Sulawesi Selatau Nasution, Syahroma Husni; Sulistiono, Sulistiono; Soedharman, Dedi; Muchsin, Ismudi; Wirjoatmodjo, Soetikno
JURNAL BIOLOGI INDONESIA Vol 4, No 4 (2007): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (4761.042 KB) | DOI: 10.14203/jbi.v4i4.3250

Abstract

ABSTRACTStudy of Reproduction Aspects of Endemic Fish Bonti-bonti (Paratherina striata)in Lake Towuti, South Sulawesi. Bonti-bonti, is one of endemic fishes in Lake Towuti andLake Mahalona. Bonti-bonti has been utilized by people around the lake for consumption inthe form of 6esh fish, dry fish, and salty fish; as ornamental fish; and as raw material foranimal feed. It should be protected from decreasing of fish population due to increasingexploitation and habitat quality changes. The objective of this research is to know thereproduction aspects of this endemic fish, as basic data for conservation. This research wasconducted in Lake Towuti, South Sulawesi from May 2006 to April 2007 at five stations.Samples were collected using experimental gillnet sized 0.625, 0.75, 1.0, and 1.25 inches.The result shows that testis and ovary was found each in one organ during a period of gonadadevelopment. Gonada maturity, was observed histologically oscured at five maturity stages.The range of egg diameters were from 0.01 to 1.50 mm. The fust gonada maturity period ofmale and female fish were reached at 5.53 and 6.26 cm of total length, respectively. Male andfemale fish gonada maturity (50%) were at 16.78 and 14.61 cm total length, respectively.Gonada maturity index value of male and female were 0.01-3.96% and 0.02-6.77%. Thereproduction ability is related to fecundity which have an effect on number ofjuveniles. Therange of fish fecundity were 818-6,051, which were devided kom female with 11.30-18.33cm total length. Bonti-bonti fish is partial spawner type.Key words : Reproduction aspects, endemic fish, Paratherina striata, and Lake Towuti
Kemampuan Cerna Protein dan Energi Metabolisme Perkici Pelangi Trichoglossus haematodus Rachmatika, Rini; Sari, Andri Permata
JURNAL BIOLOGI INDONESIA Vol 11, No 2 (2015): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v11i2.2199

Abstract

ABSTRACTProtein  is  one  of  the  important  aspects  in  animal  feed  to fulfill basic needs and stimulate reproduction behaviors. The aims of this research were to determine food preferences and observe digestibility of protein in rainbow lorikeet. This research consisted of two experiments, which were 1 week of preliminary study and 4 weeks for data collection. Studies were carried out using two 4-month-aged rainbow lorikeets (Trichoglossus haematodus). The birds were kept individually in metabolism cage (86 x 42 x 53 cm) and  treated with 5 different protein sources consisting quail’s egg (A), soybean meal (B), koi fish pellet (C), milk 7% (D), and milk 13% (E). The diets were then offered to the birds ad libitum in the form of mashes, and sweet corn served separately. Variables observed include dry matter consumption, apparent metabolizable energy  value,  and  apparent  digestibility  of protein  value.  Feed  intake  of  soybean meal  mashes  was  higher  than  the  others.  From the calculation, AME of milk 7%  mashes was the highest (49.27 cal/g), and AME of soybean meal  mashes was the lowest (38.07 cal/g). ADP of soybean meal mashes was highest (87.88 %) compared to the others. Keywords: rainbow lorikeet, apparent metabolizable energy, apparent digestibility protein 
Bird Community Structure in Karimunjawa Islands, Central Jawa Hemelda, Niarsi Merry; Khusnuzon, Ummi Syifa; Pangestu, Putri Sandy
JURNAL BIOLOGI INDONESIA Vol 7, No 1 (2011): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (126.718 KB) | DOI: 10.14203/jbi.v7i1.3126

Abstract

ABSTRAKStruktur Komunitas Burung di Kepulauan Karimunjawa Jawa Tengah. Karimunjawa sebagaisalah satu taman nasional yang memiliki berbagai macam tipe habitat dengan tingginyakeragaman jenis burung yang ada. Penelitian kesamaan keragaman jenis burung telah dilakukandi area di hutan Legon Lele, Nyamplungan,kawasan pemukiman pedesaan Karimunjawa danLegon Lele, kawasan kolam Cikemas dan Jatikerep, dan kawasan pantai Terusan, semuapendataan tersebut di lakukan di bulan Agustus 2009. Menggunakan metode titik telahterdata ada39 jenis burung ditemukan dikawasan tersebut. Indeks keragaman jens Shanonuntuk masing-masing lokasi seperti pemukiman Legon Lele (H’=2.33), pantai Terusan (H’=2.31),kolam Jatikerep (H’=2.28), kolam Cikemas (H’=2.07), hutan Legon Lele (H’=1.81), pemukimanKarimunjawa (H’=1.75), dan hutan Nyamplungan (H’=1.65).Kata kunci: Habitat, burung, Karimunjawa.
Superoxide Dismutase Activity and Ethanol Respiration in a Fungi Resistance to Ethanol Monascus sp. MM Julistiono, Heddy; Suharna, Nandang; Desnora, Beni
JURNAL BIOLOGI INDONESIA Vol 3, No 4 (2002): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (456.717 KB) | DOI: 10.14203/jbi.v3i4.3319

Abstract

ABSTRACTMonascus sp. MM was a contaminant fungus isolated from museum specimenpreserved with ethanol 70 %. In order to verify role of superoxide dismutase (SOD) inprotecting cell from ethanol toxicity during ethanol metabolism, SOD activities of Monascussp.MM and a Monmcus sp. NGK, which was isolated fiom fermented red rice (angkak), werecompared. When fungus was grown with glucose, CuIZn-SOD activity of Monascus sp., MMwas 7.1 times of thht of Monascus sp. NGK. Whereas in ethanol medium, CuIZn-SOD activityof Monarcus sp. MM was 24.6 times of that in Monascus sp. NGK. Induction of CuIZn-SODMonmcus sp. MM by ethanol was not observed. Compared with Mn-SOD, activity of CuIZn-SOD was markedly important (I 0 times of Mn-SOD when fungi grown with ethanol; 12 timeswhen the fungi grown with glucose). The data indicated that Cu/Zn-SOD might play animportant role in protecting cell fiom ethanol toxicity during ethanol metabolism. Ethanolrespiration rate of Monascus sp. MM was also important since O2 consumption and ethanoldegradation rates were clearly higher than that of Monascus sp. NGK.Keywords: Monarcw sp., superoxide dismutase, respiration, ethanol resistance.
Struktur dan Komposisi Jenis-Jenis Pohon di Taman Nasional Gunung Rinjani bagian Selatan, Lombok, Nusa Tenggara Barat Mansur, Muhammad
JURNAL BIOLOGI INDONESIA Vol 12, No 1 (2016): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v12i1.2320

Abstract

Plant ecology study has been conducted in the southern part of Rinjani Mountain National Park on April 2015 to determinethe structure and composition of tree species. Four plots, 30 x 30 m each were established at four locations, those are; Pal-Belanda (1046 m asl), Pengorot-1 (929 m asl), Pengorot-2 (820 m asl), and Sebau (1134 m asl). The results showed thatthere are two types of forest in the sites, namely the secondary forest (Pal-Belanda, Pengorot-1 and Pengorot-2) and primaryforest (Sebau). From all plots (0.36 ha) we found 36 species of trees (trunk diameter > 5 cm) of 449 individuals, 28 genusand 21 families with a total Basal Area of 16.73 m2 (46.47 m2/ha). Shannon Diversity Index (H) in the Pengorot-2 recorded1,15, followed Pengorot-1 (1.13), Pal-Belanda (1.03) and Sebau (0.72). Saurauia pendula recorded as the dominant speciesin all site with Important Value Species (IVS) of 245% followed Dendrocnide microstigma (IVS = 162%), Platea excelsa(IVS=148.2%), Syzygium glomeruliferum (IVS=72%) and Symplocos cochinchinensis (IVS=49.3%). Myrtaceae andEuphorbiaceae were the common families in the sites. Structure and composition of tree species in the Pal-Belanda,Pengorot-1 and Pengorot-2 were relative similar (Similarity Index 70.3% and 69.4%) but different than in Sebau area(Similarity Index 24.9%).Keywords: Structure, composition, tree diversity, Rinjani, Lombok
Pengelompokan Kelelawar Pemakan Buah dan Nektar Berdasarkan Karakteristik Jenis Pakan Polen di Kebun Raya Bogor, Indonesia Soegiharto, Sri; Kartono, Agus P.; Maryanto, Ibnu
JURNAL BIOLOGI INDONESIA Vol 6, No 2 (2010): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v6i2.3161

Abstract

ABSTRACTThe Grouping of Fruit Bats Based on Pollend Type Characterized as Food Resources inBogor Botanical Garden, Indonesia. A study was conducted to identify pollen consummedby fruits bat in Bogor Botanical Garden from March 2008 to June 2009. The types of crown ofthe flower, pollen and pollen size which chosen by fruit bats were analysed by using highdetrended canonical correspondent. The result indicated that there are three major groups ofbats based on the similarities of food type or flower resources consumed by fruit bats. Thegroups were (1) males of Macroglossus sobrinus and the females of Eonycteris spelaea, (2)Cynopterus brachyotis and the females of C. minutus, and (3) males and females of C.titthaheileus, females of C. brachyotis and Macroglossus sobrinus, males of C. sphinx and C.minutus, and females of C. sphinx.Key words: Megachiroptera, pollend, seed distribution,
Rediscovered of Gnetum gnemon var. tenerum Markgr. in Kalimantan Astuti, Inggit Puji; Witono, Joko Ridho
JURNAL BIOLOGI INDONESIA Vol 12, No 2 (2016): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v12i2.2900

Abstract

SHORT COMMUNICATIONRediscovered of Gnetum gnemon var. tenerum Markgr. in Kalimantan
Pola Aktivitas dan Keanekaragaman Belalang (Insecta: Orthoptera) di Taman Naasional Gunung Ciremai, Kuningan, Jawa Barat Erniwati, Erniwati
JURNAL BIOLOGI INDONESIA Vol 5, No 3 (2009): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (223.733 KB) | DOI: 10.14203/jbi.v5i3.3184

Abstract

ABSTRACTPattern Activities and Diversity of Grasshopper (Insecta: Orthoptera) in Ciremai MountainNational Park, Kuningan, West Java. The grasshoppers of the Gunung Ciremai National Park,based on collections in 2008 are reported. The grasshoppers were collected by transect methodin three locations: Seda (508 m asl), Palutungan (1076 m dpl) and Cilengkrang (1143 m asl). Atotal, thirty three species of grasshoppers were recognized. The numbers of species/diversityindex Shanon are: 25/2.99, Palutungan 18/2.60, and Cilengkrang 13 species/2.46. The highestactivity of Ciremai grasshoppers was between 11.00-12.00 pm. The Erianthus sp was newrecord from Java, whereas Oxya spp.and Catantops (Acridiidae) spp were only found onSeda. Bibracte sp.(Acridiidae) and Paratrigonidium faseocinctum (Gryllidae) were only foundon Cilengkrang, whereas Oxyrrhepes obtusa (Acridiidae) was only found on Palutungan.Species similarity on location, observation time, activity, and habitat of each grasshopper arediscussed.Kata kunci : Activities, diversity, grasshopper, orthoptera, insecta, Ciremai
Study of Pteridophyte Diversity and Vegetation Analysis in Jatikerep Legonlele and Nyamplung, Karimunjawa Island Central Jawa Saputra, Fahreza; Qotrunnada, Labibah
JURNAL BIOLOGI INDONESIA Vol 7, No 2 (2011): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v7i2.3081

Abstract

Kajian Diversitas Pteridofit dan Analisis Vegetasi di Jatikerep Legonlele dan Nyamplung, Pulau Karimunjawa, Jawa Tengah. Kajian Pteridofit dan analisis vegetasi dilakukan di tiga lokasi di Kep.Karimunjawa Jawa Tengah. Tujuan dari kajian ini untuk mendata Pterydofit yang dapat tumbuh di kawasan dataran rendah dengan kondisi tanah berpasir dan rendah jumlah curah hujannya. Tiga belas jenis Pteridofit dapat ditemukan di kawasan tersebut dengan jenis yang mendominasi adalah Lygodium flexuosurydom diikuti oleh Pteris vittata, Lygodium microphyllum, Lindsaea ensifolia, Pteris ensiformis, Nephrolepis brownii, Chelianthes tenuifolia, Nephrolepis hirsutula, Cyclosorus extensus, Blechnum finlaysonianum, Taenitis blechnoides, Abacopteris triphylla, dan Pteris semipinnata . Indeks diversitas dikawasan tersebut sanga rendah (Shannon-Wiener (H’) = 1.5462). Unsur tanah dan pH tidak banyakmempengaruhi signifikan diversitas Pterydofit.Kata kunci: Karimunjawa; Pteridofit diversitas; dataran rendah.

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