Articles

• ANALYSIS CONCENTRATION OF NITRATE, PHOSPHATE, SILICATE AND RELATIONSHIP WITH DIATOM ABUDANCE IN WATERS TANJUNG TIRAM DISTRCTS BATU BARA REGENCY OF NORTH SUMATERA PROVINCE

  Rahmad Hidayat, Syahril Nedi, irvina Nurachmi

  1-11

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• STANDING STOK IKAN PAWEH (Osteochillus hasselti) dan KONDISI LINGKUNGAN DANAU LUBUK SIAM DESA LUBUK SIAM KECAMATAN SIAK HULU PROVINSI RIAU

  Anggi Widya Iswara, Muhammad Fauzi, Nur El Fajri

  12-20

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• ANALYSIS OF NITRATE, PHOSPHATE AND CONCENTRATION ABILITY OF DIATOM (Bacillariophyta) PLANKTONIK IN THE SUMATERA PROVINCE OF WEST NIRWANA BEACH

  Theresia Tampubolon, irvina Nurrachmi, Syahril Nedi

  21-28

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• COMPOSITION AND DENSITY OF MARINE DEBRIS IN THE MANGROVE ECOSYSTEMS OF THE SUNGAI RAWA VILLAGE, SUNGAI APIT SUBSDISTRICT, SIAK REGENCY, RIAU PROVINCE

  Nurul Fajriah, Muhammad Fauzi, Eni Sumiarsih

  29-38

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• CONTENTS OF NITRATES, PHOSPHATES, SILICATES AND MISTAKES DIATOMS (Epiphytic) IN SEAGRASSES (Thalassia hemprichii) WATERS NIRWANA BEACH KECAMATAN TELUK NIBUNG KOTA PADANG SUMATERA BARAT PROVINCE

  Sakinah Rachmadani Rambe, irvina Nurachmi, Syahril Nedi

  39-48

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• COMPOSITION AND AMOUNT OF MARINE DEBRIS IN THE MANGROVE AREA IN MENGKAPAN VILLAGE, SUNGAI APIT DISTRICT, SIAK REGENCY, RIAU PROVINCE

  Silmarita Silmarita, Muhammad Fauzi, eni sumarsih

  49-56

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• MORPHOMETRIC, MERISTIC, AND GROWTH PATTERNS OF THE STROMBUS TURTURELLA FROM THE DOMPAK ISLAND COASTAL AREA, TANJUNGPINANG KEPULAUAN RIAU

  Henny henny, Efawani Efawani, Eddiwan Eddiwan

  57-64

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• TYPE AND DENSITY OF FISH IN THE INDRAGIRI RIVER LUBUK TERENTANG VILLAGE, GUNUNG TOAR DISTRICT, KUANTAN SINGINGI REGENCY, RIAU PROVINCE

  Nesha Aqila, eni sumarsih, Nur El Fajri

  65-71

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• EFFECTIVENESS TEST OF NIPAH EXTRACT AS LARVACIDE ON MOSQUITO LARVAE (Aedes aegpti)

  Thadeus Mariode Triputra Purba, irwan effendi, Feliatra Feliatra

  72-78

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• TEST THE ABILITY OF SEDIMENT BACTERIA ISOLATES IN DEGRADATING PHENOL

  Siska Monika, Dessy Yoswaty, Nursyirwani Nursyirwani

  79-84

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