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Notes on A New Records and A New Species of Pinanga (Arecaceae) from Sumatra Medi Hendra
Floribunda Vol. 2 No. 1-8 (2002)
Publisher : PTTI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1080.764 KB) | DOI: 10.32556/floribunda.v2i1-8.2002.37

Abstract

Catatan tentang rekaman dan jenis baru Pinanga (Arecaceae) dari Sumatra.
Distribusi Pandanus Di Pulau Wangi-wangi Kabupaten Wakatobi Sulawesi Tenggara Husdiati; Medi Hendra; Linda Oktavianingsih
Jurnal Pro-Life Vol. 9 No. 2 (2022): Juli
Publisher : Program Studi Pendidikan Biologi Fakultas Keguruan dan Ilmu Pendidikan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/jpvol6Iss2pp102

Abstract

Pandanus is a plant that has two houses (dioecious) that have morphological like shrubs or trees and is difficult to find shelter in another tree, prop roots, and single leaves that mostly have spines along the edges and the base of the leaf. The purpose of this research is to determine the distribution of the Pandanaceae family on Wangi-wangi Island, Wakatobi Regency. The method used field observation technique and data collection done by exploring the Wangi-wangi Island, Wakatobi Regency area. The result of the research is two distribution patterns of Pandanus on Wangi-wangi Island is spread throughout the island for the type of Pandanus tectorius Soland. and Pandanus amaryllifolius Roxb. while the other two species, Pandanus tectorius var. variegatus Back. and Pandanus dubious Spreng. found only on the west side only.
ETNOBOTANI REMPAH TRADISIONAL MASYARAKAT DAYAK KENYAH UMAQ JALAM DI KECAMATAN SEGAH KABUPATEN BERAU Hendra, Medi; Oktaviani, Martha
Jurnal Pendidikan Matematika dan IPA Vol 11, No 2 (2020): Juli 2020
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (418.772 KB) | DOI: 10.26418/jpmipa.v11i2.40977

Abstract

The local wisdom of the community is closely related to existing natural resources around them, including plant resources, which are used as spices. The Kenyah Umaq Jalan tribe in The Berau district is one of the sub-tribes of the Kenyah that still maintains local wisdom in the use and processing of herbs and spices. This tribe has a unique process of spices that are inherited from their ancestors. The purpose of this study was to examine ethnobotany spices of the Dayak Kenyah Umaq Jalan community in the Sub-district Segah, Berau District. The study was conducted in the sub-district of Segah in three villages, namely Batu Rajang, Siduung Indah, and Tepian Buah. Participatory Ethnobotanical Appraisal (PEA) was used as an exploratory survey. Interviews were conducted using standardized interviews and participating in spice processing activities with the informants. Around 25 species of plants are used as spices and herbs, such as Albertisia papuana Becc., Pycnarrhena cauliflora Diels., Pycnarrhena manillensis S. Vidal. used as a flavor enhancer. Some species Sesamum indicum L, Hodgsonia macrocarpa (Blume) Cogn., Ricinus communis L and Arachis hypogea L. for preparing their food with a certain method.AbstrakKearifan lokal masyarakat erat kaitannya dengan sumber daya alam yang adadi sekitarnya, termasuk sumber daya tumbuhan yang dijadikan sebagai bumbu dan bahan rempah. Suku Kenyah Umaq Jalan di Kabupaten Berau merupakan salah satu sub-suku Dayak Kenyah yang masih menjaga kearifan lokal dalam pemanfaatan dan pengolahan bumbu dan rempah. Suku ini memiliki kekhasan dalam mengolah bumbu masak yang merupakan warisan turun-temurun. Tujuan penelitian ini untuk membahas etnobotani rempah tradisional dalam masakan Dayak Kenyah Umaq Jalan di Kecamatan Segah Kabupaten Berau. Penelitian ini dilakukan di Kecamatan Segah pada tiga desa meliputi Batu Rajang, Siduung Indah dan Tepian Buah. Metode yang digunakan yaitu survei eksploratif dengan menggunakan pendekatan partisipatif (Participatory Ethnobotanical Appraisal). Wawancara dilakukan dengan teknik wawancara berencana (standardized interview) dan ikut dalam aktifitas pengolahan bumbu dan rempah bersama informan. Diperoleh 25 jenis tumbuhan yang dijadikan sebagai rempah-rempah dan bumbu, diantaranya adalah Albertisia papuana Becc., Pycnarrhena cauliflora Diels., Pycnarrhena manillensis S. Vidal. yang digunakan sebagai penyedap rasa alami. Beberapa jenis seperti Sesamum indicum L, Hodgsonia macrocarpa (Blume) Cogn., Pangium edule Reinw., Ricinus communis L., dan Arachis hypogaea L. dimanfaatkan sebagai bumbu terasi (payang) dengan diolah secara tradisional.Kata kunci: Bumbu, Dayak Kenyah Umaq Jalan, Etnobotani.
TROPHIC STATUS OF PHYTOPLANKTON AS BIOINDICATOR OF EUTROPHICATION LEVEL OF FLOOD RETENTION PONDS IN SAMARINDA CITY Rahayu, Ndaruning Tri; Sudrajat, Sudrajat; Hendra, Medi
Jurnal Pendidikan Matematika dan IPA Vol 13, No 1 (2022): January 2022
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (751.213 KB) | DOI: 10.26418/jpmipa.v13i1.51663

Abstract

The flood retention pond in the city of Samarinda, is a body of stagnant water (lentik), the flow of water is not so large that it affects the life of the organisms in it. The research was carried out in December 2020 - March 2021 at three stations using the method Purposive sampling. The composition of phytoplankton species consisted of Chlorophyceae, Dictyochophyceae, Cyanophyceae, Bacillariophyceae (Diatom), Euglenophyceae, Dinophyceae, Trebouxiophyceae. There are three classes of phytoplankton with relatively high abundance, namely Chlorophyceae, Cyanophyceae and Bacillariophyceae (Diatoms). At the moment of condition rain the highest species abundance at station 1 was Eutonia sp. from the Bacillariophyceae (Diatom) class, at station 2 the species of Merismopedia punctata from the Cyanophyceae class and at station 3 Merismopedia punctata from class Cyanophyceae. When conditions are not raining, the highest species abundance at station 1 is Eutonia sp. from the Bacillariophyceae (Diatom) class, at station 2 the species of Merismopedia punctata is from the Cyanophyceae class and at station 3 is the Merismopedia punctata species from the Cyanophyceae class. TSI analysis when it rains and does not rain have an average index value ranged from 10,46 "“ 17,79, the eutrophication status is in the Oligotrophic category. The water quality factor that forces the eutrophication status in this pond is related to the relatively high nitrogen (N) and phosphorus (P) nutrients.
Jenis-jenis Araceae di lantai hutan Air Terjun Berambai, Samarinda, Kalimantan Timur Linda Oktavianingsih; Nur Miati; Muhammad Fauzi Arif; Medi Hendra
Jurnal Biologi Udayana Vol 27 No 1 (2023): JURNAL BIOLOGI UDAYANA
Publisher : Program Studi Biologi, Fakultas Matematika dan Ilmu Pengetahuan Alam, Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JBIOUNUD.2023.v27.i01.p03

Abstract

Araceae merupakan herba dengan berbagai macam manfaat etnobotani yg dikenali dengan bunganya yang berbentuk tongkol dan tumbuh subur di kawasan hutan tropis. Hutan Air Terjun Berambai merupakan salah satu kawasan hutan sekunder dataran rendah yang sangat baik untuk pertumbuhan dan perkembangan familia Araceae. Tujuan dari penelitian ini adalah untuk mengetahui jenis dan karakteristik tumbuhan familia Araceae yang hidup di kawasan lantai hutan Air Terjun Berambai, Samarinda, Kalimantan Timur. Penelitian ini dilakukan dengan metode eksplorasi yaitu dengan menjelajahi kawasan Hutan Air Terjun Berambai. Hasil pengamatan menunjukan terdapat delapan jenis Araceae yang yaitu Pichinia disticha S.Y. Wong & P.C. Boice, Rhaphidophora australasica F.M. Bailey, Alocasia princeps W. Bull., Schismatoglottis calyptrata (Roxb.) Zoll. & Moritzi, Colocasia esculenta (L.) Schott, Aridarum sp., Amorphophalus paeoniifolius (Dennst.) Nicolson, dan Philodendron crassinervium Lindl. dengan karakter sintesis berupa berbatang basah, bunga berbentuk tongkol, dan berseludang. Tumbuhan familia Araceae yang ditemukan di Hutan Air Terjun Berambai tumbuh secara epifit maupun terestrial. Penelitian ini menjadi landasan data inventarisasi tumbuhan famili Araceae yang ada di lantai hutan Air Terjun Berambai, Samarinda, Kalimantan Timur yang belum ada sebelumnya.
Ethnobiology Study: Game in Dayak Lun Dayeh Community at Watershed of Mentarang in Malinau Medi Hendra; Dijan Sunar Rukmi; Surianto Effendi; Freminci; Auliana
Jurnal Manajemen Hutan Tropika Vol. 29 No. 1 (2023)
Publisher : Institut Pertanian Bogor (IPB University)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.7226/jtfm.29.1.68

Abstract

Dayak Lun Dayeh is one of local community who lives in East Kalimantan, where they’ve mostly practiced hunting traditionally, has particular ways to find hunting spot and use hunting techniques sustainably. The research about this community was conducted in river bank of Mentarang in order to determine the various kinds of game animal, frequently used hunting ground, and hunting ways of Dayak Lun Dayeh community at two different times, on May-July 2016 and June-August 2021. Research data were collected through open ended interviews (assisted by key informants), field observations and animal photos. Data were presented descriptively by ethnobiology approach. The results showed that this community practices subsistence hunting of wild animals, which comprised of mammals (69-73%), reptiles (14-15%), aves (8%) and amphibians (0-4%). The meat obtained from hunting(s) were consumed as protein source, served as medium in traditional ceremonies or religious rituals based on ancestral teachings. Wild animals such as Cervus unicolor, Sus barbatus, Muntiacus atherodes could be found easily in abpa’ nuvan (salt lick) rather than primary forest, swidden (latii), swidden fallow (included amug, jekau and ripa), farm, river, or secondary forest such as the logging roads of former timber company. Several hunting techniques were applied such as using hunting dogs for tracking the game animals (gelibut), sieging or waiting (gabang) at specific location (abpa’ nuvan), and setting traps (ton).
Pelatihan Pengelolaan Sampah Berbasis Masyarakat di Desa Muara Siran Mislan Mislan; Yaskinul Anwar; Lariman Lariman; Eko Heryadi; Sus Tri Murti; Medi Hendra
Archive: Jurnal Pengabdian Kepada Masyarakat Vol. 3 No. 1 (2023): Desember 2023
Publisher : Asosiasi Pengelola Publikasi Ilmiah Perguruan Tinggi PGRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55506/arch.v3i1.82

Abstract

Sampah rumah tangga di daerah permukiman disekitar sempadan sungai merupakan salah satu pencemar di sungai. Sehingga seringkali membuat sungai tercemar dan mengganggu ekosistem sungai. Maka dari itu fokus pengabdian ini adalah untuk melatih masyarakat untuk mengelola sampah rumah tangga mereka guna menjaga lingkungan dan sungai. Pelaksanaan pengabdian dilakukan dengan metode workshop yang disertai dengan ceramah dan diskusi serta permainan terkait cara mengelola sampah rumah tangga. Peserta pelatihan adalah perwakilan masyarakat di Desa Muara Siran yang terdiri dari karang taruna, ibu – ibu PKK, serta dari unsur masyarakat lainnya. Hasil pelatihan menunjukkan antusias masyarakat dalam mengikuti pelatihan, dan diperoleh peningkatan pengetahuan, ketrampilan dan kesadaran masyarakat dalam mengelola sampah. Sehingga mulai dapat mengurangi sampah yang dibuang ke sungai secara langsung, walaupun belum terlihat signifikan. Sehingga perlu adanya dukungan kolaboratif dari pemerintah, swasta atau lembaga swadaya masyarakat untuk meningkatkan pengelolaan sampah di Desa Muara Siran.
Cytotoxic of Usnic Acid Isolated from Ramalina sp.: Cytotoxic of Usnic Acid Isolated from Ramalina sp. Darmawan, Akhmad; Maulidiyah; Megawati; Ariani, Novita; Aisya, Sitti; Sukirno; Randy, Ahmad; Primahana, Gian; Hendra, Medi; Nurdin, Muhammad
Journal of Tropical Life Science Vol. 14 No. 2 (2024)
Publisher : Journal of Tropical Life Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/jtls.14.02.14

Abstract

Ramalina sp. (Ramalinaceae) is a type of lichen known to contain many active secondary metabolite compounds that have the potential to be used as medicine or medicinal raw materials. One of the biological activities possessed by Ramalina sp. lichen is its anticancer activity. This research aims to isolate and identify active secondary metabolite compounds from the methanol extract of the Ramalina sp. lichen and to find out the cytotoxic activity of the isolated compound against MCF7 breast cancer cells. Compound 1 (usnic acid) was successfully isolated from fraction A. The isolation and purification process was carried out starting with a maceration process using acetone solvent, followed by silica gel column chromatography using a gradient solvent system consisting of n-hexane, n-hexane:EtOAc, EtOAc, EtOAc:MeOH, and MeOH with 5% increment of polarity to obtain 17 fractions (F-1 to F-17). From the 17 fractions obtained, fraction 3 (F-3) and fraction 4 (F-4) (eluted with n-hexane:EtOAc 30%), which had the same TLC profile, were combined and named as fraction A. Compound 1 (50 mg) is a yellow needle crystal that was formed in a bottle of fraction A, which was obtained after the process of combining fractions F-3 and F-4 and solvent evaporation process. The crystals were then separated and purified with CHCl3 and MeOH. Compound 1 was then characterized based on spectroscopic data. Various spectroscopic analysis data, including FTIR, 1D- and 2D-NMR, and LC-ESI-MS, show that Compound 1 is a dibenzofuran derivative compound with 18 carbons (3 from carbonyl groups (C=O) and 3 from methyl groups) and 2 hydroxyl (-OH). Cytotoxicity assay showed that at a low concentration of 18.75 ug/mL, Compound 1 caused a 67.06% decrease in MCF7 viability
STUDI STRUKTUR DAN KOMUNITAS PLANKTON DI SUNGAI JEMBAYAN KECAMATAN LOA KULU, KUTAI KARTANEGARA Patang, Nurfadilah A.; Hendra, Medi; Kurniati, Reni; Fudiantoro, Aldi; Hariani, Nova
BIOPROSPEK: Jurnal Ilmiah Biologi Vol 15 No 2 (2023): BIOPROSPEK: Jurnal Ilmiah Biologi
Publisher : Jurusan Biologi, Fakultas Matematika dan Ilmu Pengetahuan Alam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30872/bp.v15i2.1212

Abstract

Penelitian ini bertujuan untuk mengetahui kondisi lingkungan (fisika dan kimia) serta struktur komunitas plankton di sungai Jembayan kecamatan Loa Kulu kabupaten Kutai Kartanegara. Teknik pengambilan sampel menggunakan random sampling. Data yang diperoleh diolah dan disajikan dalam bentuk kelimpahan plankton, indeks keanekaragaman, indeks keseragaman dan indeks dominasi. Selama penelitian diperoleh rentang kecerahan termasuk dalam kategori perairan keruh, rentang suhu menunjukkan rentang cukup baik untuk pertumbuhan biota perairan, rentang salinitas yang menunjukkan air tawar, rentang TDS termasuk dalam rentang normal dan rentang pH termasuk dalam kategori dari pH rendah. Selama penelitian ditemukan plankton yang termasuk dalam kelas 10 yaitu Bacillariophyceae, Chlorophyceae, Crustacea, Cyanophyceae, Dictyophyceae, Euglenophyceae, Monogononta, Rhizopoda, Rotifera dan Zygnematophyceae. Selama penelitian kelimpahan plankton di Stasiun 1 sebanyak 15.050 individu/Liter, di Stasiun 2 sebanyak 20.819 individu/Liter, di stasiun 3 sebanyak 25.627 individu/Liter. Indeks Keanekaragaman (H') pengamatan berkisar antara 2,709 hingga 3,064 dengan keanekaragaman tertinggi terdapat pada stasiun dua sore sebesar 3,064 dan terendah pada Stasiun 1. Semua stasiun penelitian mempunyai tingkat keanekaragaman sedang. Indeks keseragaman (E) berkisar antara 0,831 sampai 0,940 menunjukkan bahwa jumlah individu tidak merata atau tidak seragam. Indeks dominasi (D) yang berkisar antara 0,057 hingga 0,093 menunjukkan bahwa tidak terdapat jenis plankton tertentu yang mendominasi perairan pada setiap stasiun pengamatan.
Keragaman Kultivar Lokal Ubi Jalar (Ipomoea batatas (L.) Lam) di Kabupaten Kutai Timur-Kalimantan Timur, Indonesia Maysavitrie Citra Wijayanti Kristianto; Medi Hendra; Linda Oktavianingsih
Al-Kauniyah: Jurnal Biologi Vol 17, No 1 (2024): AL-KAUNIYAH JURNAL BIOLOGI
Publisher : Department of Biology, Faculty of Science and Technology, Syarif Hidayatullah State Islami

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15408/kauniyah.v17i1.30539

Abstract

 AbstrakUbi jalar (Ipomoea batatas (L.) Lam) merupakan salah satu tanaman pangan yang memiliki banyak manfaat di beberapa daerah di Indonesia termasuk di Kabupaten Kutai Timur. Informasi tentang keragaman morfologi kultivar lokal ubi jalar diperlukan untuk pemuliaan tanaman ke depannya. Penelitian dilakukan pada Maret-Juli 2021 untuk mengetahui keragaman dan hubungan kekerabatan kultivar lokal ubi jalar berdasarkan karakter morfologi. Kultivar lokal ubi jalar diambil secara purposive sampling melalui metode jelajah di 11 kecamatan, Kabupaten Kutai Timur. Karakterisasi morfologi menggunakan 32 karakter berdasarkan panduan International Board for Plant Genetic Resource (IBPGR). Analisis klaster untuk melihat hubungan kekerabatan antar kultivar menggunakan software MVSP versi 3.1. Hasil penelitian menunjukkan terdapat keragaman kultivar lokal ubi jalar yang ada di Kutai Timur berdasarkan karakter daun (bentuk, tipe cuping), umbi (bentuk, warna daging), bunga (bentuk dan warna). Hasil analisis klaster membentuk dua kelompok besar dari 23 aksesi kultivar lokal ubi jalar yang ditemukan dengan koefisien 9,671. Kelompok A dengan satu anggota, yaitu kultivar lokal 9 (Gei Meng Hom) yang terpisah dari kultivar lokal lainnya berdasarkan karakter umbi. Kultivar ini dibudidayakan oleh masyarakat asli Kalimantan (suku Dayak Wehea). Kelompok B terdiri dari 22 aksesi kultivar lokal yang dapat dikelompokkan berdasarkan karakter daun.AbstractSweet potato (Ipomoea batatas (L.) Lam) is a food crop that has many benefits in several regions in Indonesia, including East Kutai Regency. Information about the morphological diversity of local sweet potato cultivars is needed for future plant breeding. The research was conducted from March-July 2021 with the aim of determining the diversity and relationships of local sweet potato cultivars based on morphological characters. The collection of local sweet potato cultivars was carried out using purposive sampling using the roaming method in 11 sub-districts, East Kutai Regency. Morphological characterization uses 32 characters based on the International Board for Plant Genetic Resources (IBPGR) guidelines. Cluster analysis to see the kinship relationships formed between local sweet potato cultivars using MVSP software version 3.1. The results of the research show the diversity of local sweet potato cultivars in East Kutai based on leaf characters (shape, lobe type), tubers (shape, flesh color), flowers (shape and color), as well as forming two large groups based on the results of cluster analysis on 23 accessions which was found with a coefficient of 9.671. Group A with one member, namely local cultivar 9 (Gei Meng Hom) which is separated from other local cultivars based on tuber characteristics and is a local cultivar of sweet potato cultivated by the indigenous people of Kalimantan (Wehea Dayak tribe). Group B consists of 22 local cultivar accessions resulting from community cultivation which can be grouped based on leaf characteristics.  
Co-Authors Abda Abda Ahmad Randy Aisya, Sitti Akhmad Darmawan Al Husna, Riezdqhy Amalina F. Anita Apriliana Anita Apriliana, Anita Anwar, Yaskinul Ardiansyah, DT Ariani, Novita Arum, Elis Seftia Atila Sapitri Auliana B, Dian Aspiyani Chairul Saleh Crisdayanti, Noviana Daniel Happy Putra Daryadi A, Muhammad DEWI RAHMAWATI Dharma, Bodhi Dijan Sunar Rukmi Dina Hayati Putri Dwi Susanto Dwi Susanto Eko Heryadi eko heryadi, eko Eko Kusumawati Ervinda Yuliatin Eva Marliana, Eva Fitriani Fitriani Freminci Fudiantoro, Aldi Hairani, Rita Hartono, Thirza Larence Helda Sason Hendri Misak Hendris Hendarsyah Kurniawan, Hendris Hendarsyah Husdiati Imam Rosadi Jamun, Rosalia Jusmaldi Jusmaldi Kadek Subagiada, Kadek Kurniati, Melani Della Anggita Putri Buchari Kurniati, Reni Kusumawati, Eko Lariman Lariman Lariman, Lariman Linda Oktavianingsih Linda Oktavianingsih Lonita Lonita Luh Putu Ratna Sundari Martafola, Cristina Maulidiyah Maysavitrie Citra Wijayanti Kristianto Megawati Megawati - Minarti Minarti Misak, Hendri Mislan Mislan Mislan Muhaenal Muhammad Basrowi Muhammad Fauzi Arif Muhammad Fauzi Arif Muhammad Nurdin Mukhlis munasirah, Munasirah Murti, Sus Tri Nikmahtulhaniah Ayu Wulandari Nova Hariani Nur Miati Nuramelia, Nadira Oktaviani, Martha Patang, Nurfadilah A. Primahana, Gian Pujianti, Eva Putri, Fiorhentina Rahayu, Ndaruning Tri Rahmatullah, Kukuh Risa Supriningrum Rivaldi, Ahmad Rofi, Lintang Maula Rosnah Rosnah Rosnah, Rosnah Ruga, Ritbey Salsabillah, Natasya Irma Nur Sapitri, Atila Sarah Sarah Sasmitha Savitri, Pitaloka Alif Siti Hadijah Sudrajat Sudrajat SUKIRNO Sukirno Sukirno Surianto Effendi Sus Tri Murti syafrizal Syalsabila, Adelia Syamsiar, Syamsiar T, Nurnaningsi Utami, Alya Nindityas Widya Fajariani Winata, Ari Yanti Puspita Sari Yanti Puspita Sari Yaskinul Anwar Yudistira Yudistira Yuliatin, Ervinda Zaini, Mulia