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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 7 Documents
 1 
Search results for , issue " Vol 4, No 3 (2007): JURNAL BIOLOGI INDONESIA" : 7 Documents clear
Methane Emisions from Some Rice Cultivars in Rainfed Rice Field Wihardjaka, A.
JURNAL BIOLOGI INDONESIA Vol 4, No 3 (2007): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v4i3.3259

Abstract

AbstrakEmisi Gas Metana pada beberapa Varitas Padi di Lahan Sawah Tadah Hujan.Keragaman emisi gas metana dipengaruhi oleh karakteristik pada varitas tanaman padiyang berbeda umur, sifat, dan aktivitas sistim perakarannya. Penelitian lapang dilaksanakandi lahan sawah tadah hujan pada musim penghujan 200312004 dengan tujuan untukmengetahui emisi gas metana dari beberapavaritas padi unggul yang dibudidayakan secaragogorancah dan untukmengetahui varitas tertentu yangmampu mengemisi metana rendahsekaligus memberikan hasil gabah tinggi. Percobaan disnsun menggunakan rancanganacak kelompok dengan 3 ulangan pada 7 varitas padi, yaitu IR64, Cisantana, Sintanur,,Way Apoburu, Dodokan, Silugonggo, Mentik (varitas lokal). Pengambilan contoh gas dilapangan dilakukan dengan sungkup dan contoh gas diinjeksikan ke alat kromatografigas dengan detektor FID untuk menetapkan fluks metana. Hasil penelitian menunjukkanbahwa emisi gas CH, dari tanaman padi varitas Way Apobum < Dodokan < Silugonggo< Cisantana < Sintanur < lokd Mentik < IR64. Potensi daya hail varitas lokal Mentiklebih rendah daripada IR 64 dan IR 64 lebiirendah daripada varitas Silugonggo, Cisantana,Way Apoburu, Dodokan, dan Sintanur. Varitas Way Apoburu yang dibudidayakan dengansistem gogorancah mengemisi gas metana paling sediit dan memberikan hasil gabahpaling tinggi.Kata kunci : Emisi metana, varitas padi, sawah tadah hujan
New Host Record of The Yellow Steam Borer Moths, Scirpophaga incertdas Shall (Lepidoptera: Pyralidae) Sutrisno, Hari
JURNAL BIOLOGI INDONESIA Vol 4, No 3 (2007): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v4i3.3264

Abstract

SHORT COMUNICATIONNew Host Record of The Yellow Steam Borer Moths, Scirpophagaincertdas Shall (Lepidoptera: Pyralidae)
Model Spasial Terhadap Faktor yang Mempengaruhi Keberadaan Kambing Hutan Sumatera [Capricornis sumatraensis sumatraensis pechstein, 1799)l di Wilayah Sipurak, Taman Nasional Kerinci Seblat, Jambi Susanti, Neneng
JURNAL BIOLOGI INDONESIA Vol 4, No 3 (2007): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (5224.367 KB) | DOI: 10.14203/jbi.v4i3.3260

Abstract

ABSTRACTSpatial Modelling Impact for Sumatran Serow Occupancy [Capricornissumatmensissumatraensis (Bechsteiu, 1799)] at Sipurak-Kerinci Seblat National Park, Jambi.Existency for habitat preference of sumatran serow is very important to support the wildlifemanagement. The research was designed to study the influence of factor of spatialhabitat occupany or habitat preference of sumatran serow [Copricornis sumatraensisAbstractsumotraensis (Bechstein, 1799)l. The detection-non detection survey method was appliedfor observation. Data processed by using software Arcview 3.2, and PRESENCE PC.From the ten model selected, there was little variation in the estimates of occupancy (Y )IPA0 (ranging from 0,7283 to 0,7637) and detection probability orp (0,2407 to 0,2495).The top two ranked models are distance to forest and slope. Its mean th%t distance toforest and slope have good influence on occupancy of Sumatran serow. The factors ofspatial habitat have positive correlation to PAO. Sumatran serow occupancy was greaterin grid cells that were further from the forest edge, in grid cells that were located onsteeper slopes, and also from others spatial habitat factors.Key words: The factor of spatial habitat; sumatran serow; PAO; detection probability; Sipurak.
Pertumbnhan Ikan Tambra (Tor tambroides) dan Kancera (Tor soro) Pada Proses Domestikasi dengan Jenis Pakan yang Berbeda Haryono, Haryono; Subagja, Jojo
JURNAL BIOLOGI INDONESIA Vol 4, No 3 (2007): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v4i3.3261

Abstract

ABSTRACTThe Growth of Tarnbra fish (Tor tambroides) and Kancera fish (Tor soro) inDomestication Process with Different Fed. The experiment was conducted toevaluate the growth of two mahseer (tambra and kancera) from Muller Mountainareas in Central Kalimantan which were different fed in aquarium i.e: A. Frozenworm, B. Fish feed, and C. shrimp feed. The experiment follows Randomized CompleteDesign Methods. The replication of treatment is three times, each aquarium filled with1 individual as treatment and replication. They were fed daily for 100 days andmeasured each 20 days. The results showed shrimp feed gave growth fastest (0.460gldays), and the lowest is 0.170 gldays; the growth oftambra fish faster than kancerafish. The water quality of aquarium is suitable for growing these fish.Kata kunci: Growth, Tambra fish (Tor tambroides), Kancera fish (Tor soro), Fed
Produktitvitas Diatom Perifitik yang Ditumbuhkan pada tipe Subtrat Berbeda Sebagai Alternatif Penyediaan Pakan Alami Udang Pratiwi, Niken T.M.; Adiwilaga, Enan M.; Widigdo, Bambang; Soedharma, Dedi
JURNAL BIOLOGI INDONESIA Vol 4, No 3 (2007): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (5695.068 KB) | DOI: 10.14203/jbi.v4i3.3262

Abstract

ABSTRACTThe Productivity of Periphytic Diatom Grown on Different Types of Substrates asan Alternative on Providing Natural Feed for shrimp. Providing natural feed is anattempt to support fisheries culture in a polite way for the sustainability of environment.Periphytic community is living aquatic resources that have a potential value for thispurpose. The major component of saline water periphytic community is diatom.The study was emphasized on diatom presentation grown on two types of artificialsubstrates: biocrete (sand, palm fiber, cement) and zeocrete (zeolite, palm fiber, cement).The reseach was conducted in laboratory with an experimen design follows split splitplot in times. The aim of the research is to study the ecological factor and availablenutrients to support the growth of periphitic diatoms (Amphora, Cyclotella, Melosira,Navicula, Phaeodactylum, and Thallassiosira) on two different substrates. Theproductivity of diatom, and the effect of shrimp larvae on the diatom productivity werealso analyzed. Two fertilized materials (biocrete and zeocrete) with two main treatmentsand three levels of treatments each, and unfertilized materials were used as artificialsubstrates for periphitic diatoms. The results show that all treatment could give sufficientbiological available nutrient for the diatoms. The highest diatom productivity was achievedby the population on third level ratio of fertilized biocrete and zeocrete (added by fertilizedwith N:P ratio of 30:l). Diatom productivity follows the shrimp larvae grazing. Theshrimp larvae could grow well on the media with diatom that were grown on fertilizedbiocrete.Key words: periphytic diatoms, natural feed, biocrete, zeocrete, productivity
Pengaruh Zooxanthellae Karaug Terhadap Kelangsungan Hidup dan Pertumbuhan Kerang Raksasa Kima (Tridacna squamosa) Ambariyanto, Ambariyanto
JURNAL BIOLOGI INDONESIA Vol 4, No 3 (2007): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2916.456 KB) | DOI: 10.14203/jbi.v4i3.3256

Abstract

ABSTRACTThe influence of zooxanthellae isolated from corals on the growth and suwivorshipof giant clams. Giant clam known as marine bivalves (Tridacnidae) which live in coralreef. One important aspect of giant clam biology is the existence of zooxanthellae assymbiotic algae which have important role source of energy In hatchery operationalprocedure zooxanthellae were introduced into larvae. Zooxanthellae were isolated fromadult clams. Since clams are also known as endangered species, it is important to findother sources of zooxanthellae. The objective of this research is to investigate the effectof introduction of zooxanthellae which were isolated from different sources on the survivaland growth of giant clams larvae. The results showed that there is no differences on thesurvivorship and growth of giant clams larvae introduced by zooxanthellae isolated fromseveral corals. This result has open a possibility of using corals as source of zooxanthellaeinstead of using giant clams.Key words : zooxanthellae, giant clams, survivorship, growth
Keanekaragaman Jenis dan Karakteristik Bertengger Kelelawar Goa Di Stasiun Pusat Penelitian dan Pelatihan Konsewasi Wav Can-gu k Taman Nasional Bukit Barisan Selatan, Lampung Wiantoro, Sigit
JURNAL BIOLOGI INDONESIA Vol 4, No 3 (2007): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2006.953 KB) | DOI: 10.14203/jbi.v4i3.3263

Abstract

TULISAN PENDEKKeanekaragaman Jenis dan Karakteristik Bertengger Kelelawar GoaDi Stasiun Pusat Penelitian dan Pelatihan Konsewasi Wav Can-gu kTaman Nasional Bukit Barisan Selatan, Lampung

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