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      • UT - Faculty of Forestry and Environment
      • UT - Forest Management
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      Komposisi jenis pohon dan struktur tegakan hutan mangrove di desa pasar banggi kabupaten rembang provinsi jawa tengah

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      Date
      2014
      Author
      Wicaksono, Fikri Bagus
      Muhdin
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      Abstract
      Ekosistem mangrove Desa Pasar Banggi merupakan salah satu yang cukup baik di Pantura Jawa Tengah. Jenis pohon yang dapat ditemui di hutan mangrove ini yaitu Rhizophora mucronata, Rhizophora apiculata, Sonneratia alba, danAvicennia marina. Pada tingkat semai didominasi oleh Rhizophora mucronata dengan nilai INP 175.99 begitu pula dengan tingkat pancang dan pohon juga didominasi oleh jenis Rhizophora mucronata dengan nilai INP masing-masing 208.2 dan 183.19. Indeks keragaman (H’) pada hutan mangrove ini tergolong rendah, tingkat semai memiliki indeks keragaman dengan nilai hanya 0.95 tidak jauh berbeda dengan tingkat pancang dan pohon yang masing-masing 0.84 dan 0.75. Tingkat kerawanan degradasi dari parameter kerapatan vegetasi masuk ke dalam tingkat rendah, sedangkan dari parameter indeks keragaman tergolong tingkat tinggi yang menunjukan rawan degradasi. Struktur tegakan secara umum berbentuk huruf “J” terbalik kecuali jenis Sonneratia alba, hal ini kemungkinan disebabkan kegagalan regenerasi oleh jenis Sonneratia alba.
       
      Mangrove ecosystem at the Pasar Banggi village is one of the mangrove ecosystem which is quite good in the northern coastal of Central Java. The tree spesies that can be found in this mangrove forest is Rhizophora mucronata, Rhizophora apiculata, Sonneratia alba and Avicennia marina. For seedlings dominated by the Rhizophora mucronata with score of Important Value Indeks 175.99 similarly with saplings and trees are also dominated by Rhizophora mucronata types with Important Value Indeks 208.2 and 183.19. Index of biodiversity in mangrove forests is relatively low, seedlings have a diversity index with a value of only 0.94 is not much different from the saplings and trees which are also only 0.84 and 0.75. The vulnerability of the degradation for density parameters into the low class while the parameters of the biodiversity index into high classified which showed cartilage degradation. Stand structure in general shape of reverse "J" exception types Sonneratia alba, this condition maybe caused by unsuccsed regeneration for Sonneratia alba.
       
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      http://repository.ipb.ac.id/handle/123456789/71614
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      • UT - Forest Management [3207]

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