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All Journal JIKSI (Jurnal Ilmu Komputer dan Sistem Informasi) EKOTONIA: Jurnal Penelitian Biologi, Botani, Zoologi dan Mikrobiologi

Henri Henri

Unknown Affiliation

Author-ID : 3257515

Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Computer Science & IT Immunology & microbiology Mathematics Medicine & Pharmacology Other

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Articles

KLASIFIKASI POTENSI MENDERITA PENYAKIT JANTUNG KORONER DENGAN BACKPROPAGATION NEURAL NETWORK Henri Henri; Chairisni Lubis
Jurnal Ilmu Komputer dan Sistem Informasi Vol 10, No 1 (2022): JURNAL ILMU KOMPUTER DAN SISTEM INFORMASI
Publisher : Fakultas Teknologi Informasi Universitas Tarumanagara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24912/jiksi.v10i1.17850

Maksimal 200 kata berbahasa Inggris dicetak miring dengan Times New Roman 10 point. Abstrak berisi maksud dan tujuan penelitian, metode penelitian yang digunakan serta hasil yang dicapai.Membandingkan algoritma A dan algoritma B dalam menyelesaikan sistem persamaan linier berdasarkan kecepatan proses, ketelitian hasil serta besarnya ruang memori yang digunakan. Hasil percobaan menunjukkan algoritma B lebih cepat dari algoritma A namun algoritma A menghasilkan ketelitian yang lebih baik serta ruang memori yang kecil dibandingkan algoritma B

PERSEBARAN DAN KARAKTERISASI MORFOLOGI LENGKIR (Tacca leontopetaloides L. Kuntze) SEBAGAI SUMBER PANGAN DI PULAU BANGKA Lanita Sakila; Henri Henri; Sajidin Sajidin
EKOTONIA: Jurnal Penelitian Biologi, Botani, Zoologi, dan Mikrobiologi Vol 5 No 1 (2020): Ekotonia: Jurnal Penelitian Biologi, Botani, Zoologi dan Mikrobiologi
Publisher : Department of Biology, Faculty of Agriculture, Fisheries and Biology, University of Bangka Belitung

Food plants is a type of plant in which there are carbohydrates and proteins that can be used as a source of energy for humans. one of which is lengkir. Lengkir growth wild and can found started from the edge of the sea 0 mdpl to a height of about 220 mdpl. This study aims to inventory and characterize lengkir in Bangka island. The research method consists of determining the location of the distributioan lengkir by purposive sampling and morphological characterization. The results showed that the number of individuals most found in Bangka Tengah is 678 individuals and the least in the city of Pangkalpinang is 16 individuals. The conclusion of this study that the lengkir found in all districts of the island of Bangka with the pattern of distribution groups. A map of the distribution of lengkir on the Bangka island is expected to contribute to the availability of the location information and the conditions of existence lengkir in Bangka island.

Keanekaragaman Bivalvia dan Gastropoda di Pulau Nangka Kabupaten Bangka Tengah Alita Alita; Henri Henri; Rahmad Lingga; Anna Sonia; Gita Fitri; Stevani Greacela Putri; Arinda Salsabila
EKOTONIA: Jurnal Penelitian Biologi, Botani, Zoologi, dan Mikrobiologi Vol 6 No 1 (2021): Ekotonia: Jurnal Penelitian Biologi, Botani, Zoologi dan Mikrobiologi
Publisher : Department of Biology, Faculty of Agriculture, Fisheries and Biology, University of Bangka Belitung

This study aims to determine the type and level of diversity of Bivalves and Gastropods found on Nangka Island, Tanjung Pura Village, Central Bangka Regency, Bangka Belitung Islands Province. The method used in this research is purposive sampling with a line transect technique, which is carried out by taking a determined line in a direction perpendicular to the shoreline and consists of 3 sampling plots made of a quadrant frame measuring 1×1 m2 with a total sampling area of 81. The results showed that the physical and chemical parameters of the environment at the observation site were classified as good with an average temperature of 32°C, total dissolved solids (TDS) of 2,069.1 ppm, turbidity of 0.08 NTU, and a water pH of around 7.767. The diversity of Gastropods is greater than the diversity of Bivalves. This is indicated by the presence of 17 species of Gastropods and 5 species of Bivalves. The most common species found at the study site was Cerithium scabridum with a total of 581 individuals. The most commonly found family from the Gastropods class is the Muricidae family, while the Bivalves class is the Veneridae family. Environmental parameters measured at the study site such as temperature, total dissolved solids (TDS), turbidity, and water pH indicated that the environmental conditions supported the life of Bivalves and Gastropods as indicated by the high abundance and diversity of shellfish and snails.

Keanekaragaman Jenis Makroalga di Perairan Pulau Nangka Kabupaten Bangka Tengah Shinta Ahsaniyah; Rahmad Lingga; Henri Henri; Nadila Puspita Sari; Putri Ayu Indah Suryani; Inayah Assyifa
EKOTONIA: Jurnal Penelitian Biologi, Botani, Zoologi, dan Mikrobiologi Vol 6 No 1 (2021): Ekotonia: Jurnal Penelitian Biologi, Botani, Zoologi dan Mikrobiologi
Publisher : Department of Biology, Faculty of Agriculture, Fisheries and Biology, University of Bangka Belitung

Macroalgae is one of the main components making up coastal ecosystems that contribute to maintain the marine ecosystem. This research aims to study macroalgae the diversity and the environmental factors that affect the presence of macroalgae in the coastal area of Nangka Island. Samples were obtained from 2 spots arround the coastal area of Nangka island using exploration survey methods. Identification was conducted in Botanical laboratory of Biology Departement, Universitas Bangka Belitung. Water and soil temperature were measured as enviromental factor parameters. The diversity was determined base on three different indexs; the diversity, species evenness and species dominant. The study succesfully identified 4 different species of macroalgae from coastal are of Nangka island including Padina australis, Ulva linneaus, Kappaphycus alvarezii, and Acantophora spicifera. The results of the calculation of the diversity, evenness, and species dominant index shown that the abundance of macroalgae on Nangka Island can be categorized as low. Enviromental temperature for growth was suspected as the factor that affect the diversity of macroalgae arround the coastal area of Nangka island

Co-Authors Alita Alita Anna Sonia Arinda Salsabila Chairisni Lubis Gita Fitri Inayah Assyifa Lanita Sakila Nadila Puspita Sari Putri Ayu Indah Suryani Rahmad Lingga Sajidin Sajidin Shinta Ahsaniyah Stevani Greacela Putri

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