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All Journal Aquacoastmarine BioEksakta : Jurnal Ilmiah Biologi Unsoed
Camelina Simbolon
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Immunology & microbiology Veterinary Other

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KEANEKARAGAMAN PERIFITON DI SUNGAI BELAWAN KECAMATAN PANCUR BATU KABUPATEN DELI SERDANG PROVINSI SUMATERA UTARA Diversity of Periphyton in the Belawan River Subdistrict Pancur Batu Regency Deli Serdang North Sumatera Camelina Simbolon; Miswar Budi Mulya; Desrita Desrita
AQUACOASTMARINE Vol 4, No 1 (2016): JURNAL AQUACOASTMARINE
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (481.665 KB)

Abstract

Activities that occur around Belawan River will generate waste and impact on the physical and chemical factors that affect the aquatic organisms that periphyton. This study aims to specify the diversity of Periphyton in the Belawan River and to specify condition Belawan River judging from the chemical physics factors. Furthermore, Physical, chemical and Biologycal parameters was observed factors of the temperature, flow velocity, transparency of waters, pH, TSS, DO, BOD5, nitrates, orthophosphates and Diversity of Periphyton. The observations were made three times in three the research station. Sampling taking carried is three time repetitionon each station. Based on the result acquired that index diversity of periphyton ranged between 2,72 to 2,84 ind/cm2 and the Abundace of periphyton ranged between 763 to 1684 ind/cm2. Temperatures value ranged between 26 to 29 oC, flow velocity ranged between 0,4 to 0,7 m/s, transparency of waters ranged between 25 to 50 cm, pH ranged between 7,3 to 7,6, DO ranged between 3,5 to 4,0 mg/l, BOD5 ranged between 1,4 to 2,8 mg/l, TSS ranged between 11,33 to 38,5 mg/l, nitrates ranged between 1,0 to 1,9 mg/l dan orthophosphates ranged between 0,03 to 0,078 mg/l. based on the Shanon’s index of diversity (H’) and physival-chemical factors in the Belawan River were classified as into mild pollution criterion.Keywords: Periphyton, Abundance, Diversity, River Belawan
Kajian Anatomi Daun dan Morfologi Nepenthes spp. Koleksi Kebun Raya Baturaden Kabupaten Banyumas Camelina Simbolon; Siti Samiyarsih; Wiwik Herawati
BioEksakta : Jurnal Ilmiah Biologi Unsoed Vol 3 No 3 (2021): BioEksakta
Publisher : Fakultas Biologi Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.bioe.2021.3.3.4560

Abstract

Pitcher plant (Nepenthes spp.) is one of the carnivorous plants which is classified as unique, because of the pitch on the Nepenthes spp. is a modified leaf tip that changes its shape and function to become a trap for insects or other small animals. The Baturraden Botanical Garden is the areas used for the conservation of various plant species both ex-situ and in-situ including Nepenthes spp. This aim of this study is to 1) determine the leaf anatomy and morphology characters of Nepenthes spp. which grows in the Baturraden Botanical Garden area, 2) determine the different characters of each species of Nepenthes spp. which grows in the Baturraden Botanical Garden area based on leaf anatomy and morphology. The research was conducted by direct observation, purposive sampling method, taking leaf samples of Nepenthes spp. in the greenhouse of the Baturaden Botanical Garden. Observation of leaf anatomical characters by embedding method with 1% safranin staining. The results of the measurement of anatomical and morphological characters were analyzed using ANOVA at the 95% and 99% confidence level, then continued with tests of Least Significant Difference (LSD) and the result observation from the morphological observations were analyzed descriptively. The results showed that the eight Nepenthes species had the same anatomical structure consisting of cuticle, epidermis, and mesophyll tissue with varying sizes between species. The morphological characters of eight Nepenthes species varied among species with different sizes. The petiole is only owned by N. ampullaria, N. mirabilis, N. rafflesiana, the pitch that has a waist shape is only owned by N. mirabilis, N, gracilis, and N. tobaica, the most striking pitch color is N. rafflesiana. The differences in the leaf anatomy characters of the eight Nepenthes species were found in the stomata width, cuticle thickness, epidermal thickness, mesophyll thickness, leaf length, leaf width, leaf stalk, tendril length, pitch diameter, pitch shape, pitch color
Co-Authors Desrita Desrita Miswar Budi Mulya Siti Samiyarsih wiwik herawati