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      • UT - Faculty of Fisheries and Marine Science
      • UT - Marine Science And Technology
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      Struktur Vegetasi Mangrove dan Keterkaitannya dengan Karakteristik Lingkungan Perairan Pesisir Desa Tanjung Widoro, Gresik, Jawa Timur

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      Date
      2023-11-07
      Author
      Maharani, Rizky Sabrina
      Bengen, Dietriech Geoffrey
      Cakasana, Nadya
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      Abstract
      Perairan Tanjung Widoro memiliki keanekaragaman jenis mangrove yang cukup tinggi. Penelitian ini dilakukan untuk mengetahui kondisi mangrove di Perairan Tanjung Widoro. Pengumpulan data menggunakan metode purposive sampling melalui pengamatan langsung terhadap empat stasiun pengamatan mengenai kondisi vegetasi mangrove dan parameter perairan (suhu, salinitas, pH, oksigen terlarut, dan fraksi sedimen). Analisis data meliputi INP, RDi, RFi, dan RCi, serta Correspondence Analysis (CA) dan Principal Component Analysis (PCA). Pada lokasi pengamatan ditemukan sepuluh spesies mangrove, di antaranya Rhizophora mucronata, Avicennia alba, Sonneratia alba, Rhizophora stylosa, Avicennia officinalis, Rhizophora apiculata, Avicennia marina, Ceriops tagal, Bruguiera gymnorrhiza, dan Rhizophora mangle. Spesies R. mucronata dan A. alba dicirikan substrat berpasir yang selalu tergenang dan dipengaruhi pasang-surut, spesies A. officinalis dicirikan substrat pasir dan tumbuh di dekat muara sungai, spesies R. apiculata dan A. marina dicirikan substrat pasir kasar dengan salinitas yang cukup tinggi.
       
      Tanjung Widoro has a fairly high diversity of mangrove species. This research was conducted to determine the condition of the mangrove on Tanjung Widoro. Data collection used a purposive sampling method through of four stations regarding the condition of mangrove vegetation and water parameters (temperature, salinity, pH, dissolved oxygen, and sediment fraction). Data analysis included IVI, RDi, RFi, dan RCi, Correspondence Analysis, and Principal Component Analysis. At the site, ten species of mangrove were found, including Rhizophora mucronata, Avicennia alba, Sonneratia alba, Rhizophora stylosa, Avicennia officinalis, Rhizophora apiculata, Avicennia marina, Ceriops tagal, Bruguiera gymnorrhiza, and Rhizophora mangle. Mangrove R. mucronata and A. alba can grow on sandy substrate that are always flooded and influenced by tides, while A. officinalis on sand substrate and grow near river, R. apiculata and A. marina on coarse sand substrate with fairly high salinity.
       
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      http://repository.ipb.ac.id/handle/123456789/131038
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      • UT - Marine Science And Technology [2093]

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      Indonesia DSpace Group 
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