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Perilaku Tumbuh Kantong Semar (Nepenthes mirabilis Druce) di Habitat Alaminya, Taman Nasional Kutai, Kalimantan Timur Tri Handayani; Inggit Puji Astuti
Majalah Ilmiah Biologi BIOSFERA: A Scientific Journal Vol 22, No 3 (2005)
Publisher : Fakultas Biologi | Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.mib.2005.22.3.176

Abstract

Nepenthes mirabilis has been widely known as an insectivorous plant species. A study on the growing behaviour of N. mirabilis in Teluk Kaba, Kutai National Park has been carried out. As many as approximately 840 individuals consisting of 307 rosettes and 533 mature plants were found. Variation in tendril’s position was observed in nine rosettes plants and in 22 mature plants. On the other hand, variations in leaf colour appeared in eight individuals. Variations in colour of pitcher and tendril were found in 17 individuals. The natural habitat of N. mirabilis was very specific, and it was also noted that 13 species were assosiated with this plant species. Further result will be discussed in this paper.
Analisis lendutan balok beton secara eksperimental dan perhitungan metode elemen hingga (MEH) dengan aplikasi SNI 2847 : 2013 Tri Handayani; Yudi Irawadi
Majalah Ilmiah Pengkajian Industri Vol. 12 No. 3 (2018): Majalah Ilmiah Pengkajian Industri
Publisher : BRIN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/mipi.v12i3.3073

Abstract

Pada makalah ini disajikan analisis lendutan balok beton dari sebuah gedung. Analisa dilakukan menggunakan software berbasis finite element method (FEM) dan eksperimental dengan tujuan untuk mengetahui pengaruh jenis tumpuan dan tipe penampang balok terhadap lendutan.Dalam analisis menggunakan software FEM dilakukan perhitungan lendutan menggunakan persamaan lendutan balok pada dua tumpuan dengan asumsi sebagai penampang balok biasa dan penampang balok T. Selain itu, juga diperhitungkan kondisi tumpuan yaitu sebagai tumpuan sederhana dan tumpuan jepit-jepit. Dalam evaluasi secara eksperimental dilakukan uji beban terhadap balok beton yang bersangkutan sesuai SNI 2847 2013. Sebagai beban uji adalah air dan sebagai pengukur lendutan adalah linear variable displacement transducer (LVDT). Perhitungan lendutan di tengah bentang dengan software berbasis FEM dengan asumsi balok T dan tumpuan jepit-jepit menghasilkan lendutan untuk balok C 1-2 sebesar 1,652 mm dan untuk balok 2 A-B sebesar 1,987 mm. Lendutan netto di tengah bentang hasil uji beban untuk balok C 1-2 adalah sebesar 1,263 mm dan untuk balok 2 A-B adalah sebesar 1,625 mm. Dengan demikian pada eksperimen ini dapat disimpulkan bahwa lendutan balok beton hasil evaluasi menggunakan software FEM melalui perhitungan dengan asumsi penampang balok T dengan kondisi tumpuan jepit-jepit adalah yang paling mendekati lendutan hasil evaluasi secara eksperimental melalui uji beban
MENGENAL MAKROALGA Turbinaria DAN PEMANFAATANNYA Tri Handayani
OSEANA Vol 43 No 4 (2018)
Publisher : Pusat Penelitian Oseanografi LIPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/oseana.2018.Vol.43No.4.5

Abstract

KNOWING MACROALGAE Turbinaria AND THEIR USAGES. Turbinaria is a member of brown macroalgae that can be found in almost all Indonesian waters. Turbinaria is often regarded as Sargassum because they have a similar morphology and both belong to the Family Sargassaceae. There are 35 species of Turbinaria in the world and 11 of which can be found in Indonesia. Turbinaria conoides, T. decurrens and T. ornata are the most common ones in Indonesian waters. Turbinaria grows on rocky intertidal coastlines, tidepools and reef flats. The life cycle of Turbinaria occurs through alternations between sexual and asexual. Their biphasic life cycle contains gametophytes and sprorophytes. In their sexual reproduction, sporophytes resulted from the germination of zygotes formed by fusion (fertilization) of male and female gametes. Asexual spores develop from both sporophytes and gametophytes. Turbinaria was commonly used as a source of alginate, fucoidan and other bioactive polysaccharides (antioxidant, anticancer, antibacterial, anticoagulant, antiploriferative and antivirus activities).
PERANAN EKOLOGI MAKROALGA BAGI EKOSISTEM LAUT Tri Handayani
OSEANA Vol 44 No 1 (2019)
Publisher : Pusat Penelitian Oseanografi LIPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/oseana.2019.Vol.44No.1.25

Abstract

ECOLOGICAL ROLE OF MACROALGAE FOR MARINE ECOSYSTEM. Macroalgae is an ecologically and economically important component in marine ecosystem. Ecologically, macroalgae has a role as a primary producer, food for other marine biota, provide shelter, nursery ground and carbon sink. Macroalgae contains photosynthetic pigments to be able to provide their own food and produce carbon dioxide for other marine biota (called primary productivity). Macroalgae is a food source, provide shelter and nursery ground for fish, gastropods (mollusks), crustaceans and sea urchins. Macroalgae also has the ability to to reduce the effects of global warming through carbon sink. Absorption of carbon emissions of anthropogenic activity by marine organisms are called as blue carbon. Therefore, macroalgae is ecologically importantfor the balancing of marine ecosystems sustainability.
STRUKTUR KOMUNITAS, PERANAN DAN ADAPTASI MAKROALGA DI INTERTIDAL BERBATU Tri Handayani
OSEANA Vol 45 No 1 (2020)
Publisher : Pusat Penelitian Oseanografi LIPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/oseana.2020.Vol.45No.1.56

Abstract

Rocky shore intertidal occurs at the interface of the land and sea, which regularly exposed with tidal waves. In general, rocky shore intertidal is influenced by extreme physical factors, so organisms need to adapt well. Macroalgae on rocky shore intertidal are mostly macroalgae that have epilithic life foam, for example, Sargassum, Turbinaria, Hypnea, Gracilaria, Amphiroa, Chaetomorpha, Ulva, Acanthophora, and Gelidium. The role of macroalgae on rocky shore intertidal are as a primary producer/primary productivity, food for other organisms (fish, mollusc, sea urchin, crab), nursery ground for other organisms (fish, sea urchin, sea cucumber, and crab), and provide shelter for benthic fauna (crabs, sea urchin, molluscs, polychaeta and sea star). The adaptation of macroalgae on rocky shore intertidal was through morphological changes. Gracilaria salicornia on rocky shore intertidal has slimmer thallus than G. salicornia on non-rocky shore intertidal.
FUKOSANTIN: KAROTENOID BERHARGA DARI MAKROALGA COKLAT Tri Handayani
OSEANA Vol 43 No 3 (2018)
Publisher : Pusat Penelitian Oseanografi LIPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/oseana.2018.Vol.43No.3.60

Abstract

FUCOXANTHIN: A HIGH VALUE CAROTENOID FROM BROWN MACROALGAE. Fucoxanthin is carotenoid that can be found in marine brown seaweed (macroalgae) and diatoms (microalgae). Fucoxanthin has been isolated from brown macroalgae for its bioactivities study, including: Cystoceira barbata, Sargassum aquifolium, Sargassum filipendula, Sargassum ilicifolium, Sargassum wightii, Alaria crassifolia, Cladosiphon okamuranus, Cystoseira hakodatensis, Eisenia bicyclis, Fucus serratus, Fucus vesiculosus, Hijikia fusiformis, Ishige okamurae, Kjellmaniella crassifolia, Laminaria japonica, Laminaria ochotensis, Myagropsis myagroides, Padina tetrastromatica, Petalonia binghamiae, Sargassum fulvellum, Sargassum heterophyllum, Sargassum horneri, Sargassum siliquastrum, Undaria pinnatifida, Sargassum longifolium, Padina sp, Turbinaria sp, and Undaria pinnatifida. The amount of fucoxanthin depends on the species of algae. Fucoxanthin has been reported to have bioactivities, i.e. antioxidant, antiinflammatory, anticancer, antiobese, antidiabetic, antiangiogenic, and pigmentation inhibitory.
KARAKTERISTIK DAN DAMPAK MAKROALGA INTRODUKSI Tri Handayani
OSEANA Vol 42 No 4 (2017)
Publisher : Pusat Penelitian Oseanografi LIPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/oseana.2017.Vol.42No.4.75

Abstract

CHARACTERISTIC AND IMPACTS OF INTRODUCED MACROALGAE. An introduced macroalgae is species of macroalgae that have been introduced beyond its native range through human activities and has become successfully established in the new locale. Introduced macroalgae have an impact on ecology and evolution, i.e. direct and indirect competitions with native biota (space monopolization and change in community composition), effects on higher trophic levels (herbivores, associated fauna, toxicity), habitat change (changed structure, sediment accumulation), change of ecosystem processes (alteration of trophic structure) and genetic effects. Introduced macroalgae also have an impact on economy and social, i.e. costs of loss of ecosystem functions or values, impacts on environmental amenity, impacts on human health, management costs (government/non-government), costs of research into introduced species, costs for eradication and control measures and costs for education/extension campaigns. Management of impact and research are needed to minimize the impact of introduced macroalgae.
EFISIENSI SISTEM IRIGASI TETES (DRIP IRRIGATION) PADA TANAMAN MELON VARIETAS JAPONIKA Tri Handayani; Titik Irawati
Agros Journal of Agriculture Science Vol 24, No 2 (2022): edisi Juli
Publisher : Fakultas Pertanian, Universitas Janabadra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37159/jpa.v24i2.1939

Abstract

Tanaman melon (Cucumis melo L.) membutuhkan ketersediaan air dalam jumlah yang cukup, dan dengan pemberian yang tepat waktu. Keadaan tersebut dapat dicapai dengan penerapan sistem irigasi tetes, karena sistem ini dapat diatur jumlah dan waktu pemberian, sesuai dengan kebutuhan air tanaman melon. Penelitian ini bertujuan untuk mengetahui efisiensi rancangan sistem irigasi tetes dan kebutuhan air tanaman melon varietas Japonika dalam greenhouse. Pada penelitian ini, diamati adalah rancangan sistem irigasi tetes serta kebutuhan air tanaman melon (ETcrop). Dari hasil pengamatan didapatkan hasil efisiensi penggunaan irigasi tetes yang tertinggi pada tanaman melon varietas Japonika yaitu pada lateral 1 sebesar 98,86 %. Sedangkan kebutuhan air pada tanaman melon Varietas Japonika yang tertinggi adalah pada stadia pembungaan yaitu sebesar 6,26 mm/hari.
PEMBERIAN INSENTIF ATMR OLEH OTORITAS JASA KEUANGAN KEPADA BANK SEBAGAI UPAYA PENERAPAN PRINSIP KEUANGAN BERKELANJUTAN Kenny Kanigara Octavio; Lastuti Abubakar; Tri Handayani
Jurnal Yuridis Vol 9, No 1 (2022): Jurnal Yuridis
Publisher : Fakultas Hukum Universitas Pembangunan Nasional "Veteran" Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35586/jyur.v9i1.2827

Abstract

Aset Tertimbang Menurut Resiko (ATMR) merupakan elemen penting dalam pengukuran tingkat kesehatan suatu bank. Karena itu Otoritas Jasa Keuangan (OJK) menguraikan dalam Roadmap Keuangan Berkelanjutan untuk memberikan insentif berbentuk ATMR kepada lembaga perbankan sebagai upaya mendorong prinsip keuangan berkelanjutan, yang wajib diterapkan bank sejak 1 Januari 2019. Penelitian ini mengkaji kebijakan pemberian insentif oleh OJK terkait pelaksanaan keuangan berkelanjutan; pemberian insentif berbentuk ATMR kepada lembaga perbankan; dan kesulitan dalam praktik pemberian insentif ATMR kepada lembaga perbankan. Metode penelitian yang digunakan penelitian hukum yuridis normatif dengan cara meneliti bahan Pustaka sebagai bahan dasar untuk diteliti dengan cara mengadakan penelusuran terhadap peraturan-peraturan yang berkaitan dengan keuangan berkelanjutan dan pemberian insentif oleh OJK. Hasil penelitian menunjukkan, bahwa pemberian insentif dalam bentuk ATMR dapat diberikan kepada bank sebagai reward dari green banking product guna upaya mendorong penerapan prinsip keuangan berkelanjutan; pemberian insentif ATMR menarik untuk bank karena dapat menaikkan tingkat Kesehatan bank; Pemberian insentif ATMR sulit dilakukan karena POJK Nomor 51 Tahun 2017 lebih mengusung awareness daripada compliance namun OJK dapat menerbitkan aturan lanjutan sebagai acuan untuk praktik pemberian insentif ATMR ke Lembaga perbankan. 
PERBEDAAN SIKLUS MENSTRUASI ANTARA IBU YANG MENGGUNAKAN AKDR DAN ALAT KONTRASEPSI SUNTIK DI DESA BERUK KABUPATEN KARANGANYAR Warsini -; Ipung Wulandari; Tri Handayani
KOSALA : Jurnal Ilmu Kesehatan Vol. 3 No. 1 (2015): Jurnal Ilmu Kesehatan Kosala
Publisher : Sekolah Tinggi Ilmu Kesehatan Panti Kosala

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (47.817 KB) | DOI: 10.37831/jik.v3i1.46

Abstract

AbstractIntroduction: An increase in the rate of population growth in Indonesia is increasingly rapidly. One way to control the rate of population growth is by family planning program (KB). Growing family planning programs are administered by the Government, is also increasingly developing contraceptives, such as pills, IUD, implants, sterilizing men, seterilisasi women, condoms, periodic abstinence and copulation is disconnected. In addition to the function to control the population, AKDR and contraceptive injection had side effects, the most important is related to disorders of menstruation. From the results of a survey in Desa Beruk retrieved data. There are 154 KK which resides and 52 KK are acceptors KB which includes AKDR and contraceptive injection and some of them also complained of experiencing menstrual disorders.The Purpose: To tell the difference between the mother's menstrual cycle which uses AKDR and contraceptive injection in Desa Beruk Kabupaten Karanganyar.Methods: This study is a comparative analytical research by design with cross sectional design.Subjects: Acceptors KB type AKDR and syringe in Desa Beruk Kabupaten Karanganyar amounted to 52 people. The sample in this study is taken based on table Krecjie so obtained the result total sample of 44 people. Sampling simple random way (simple random sampling).Results: Menstrual cycle most often in AKDR is normal usage with a range between 12 and 28 days, whereas in the use of contraceptive injection cycles most often happens is polimenore with the average cycle is 19 days with a range of 14 to 30 days. Mann Whitney test results was p = 0,032.Conclusion: Because the value of p can be inferred then 0.05 < that there are meaningful differences between the menstrual cycle on the use of AKDR and menstrual cycle use of contraceptive injection.Keywords: the difference, menstrual cycle, contraceptive injection, AKDR