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Journal : JURNAL BIOLOGI INDONESIA

Hutan Mangrove Cagar Alam Pulau Sempu, Jawa Timur Suhardjono, Suhardjono
JURNAL BIOLOGI INDONESIA Vol 9, No 1 (2013): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v9i1.153

Abstract

Keanekaragaman jenis tumbuhan mangrove di Ra’as, Air Tawar dan Teluk Semut, Pulau Sempu, Jawa Timurtercatat 30 jenis tumbuhan yang termasuk dalam 18 suku dan 24 marga. Dua belas jenis di antaranya termasukdalam Kriteria IUCN (Anonymous, 1997). Kenakearagaman jenis yang paling tinggi di Ra’as (23 jenis), TelukSemut (17 jenis) dan Air Tawar (16 jenis). Hutan mangrove di daerah ini didominasi oleh Ceriops tagal, Rhizophoraapiculata, R. mucronata, Aegiceras corniculatum, Xylocarpus granatum dan Excoecaria agallocha.Kata kunci : Mangrove, Ra’as, Air Tawar, Teluk Semut, Pulau Sempu, Jawa Timur, IUCN.
Hutan Mangrove di Kalitoko, Teluk Mayalibit, Pulau Waigeo, Kabupaten Raja Ampat, Propinsi Papua Barat Suhardjono, Suhardjono
JURNAL BIOLOGI INDONESIA Vol 9, No 1 (2013): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v9i1.141

Abstract

Penelitian vegetasi mangrove telah dilakukan di Kalitoko, Mayalibit Bay, Pulau Waigeo, Kabupaten Raja Ampat,Papua Barat Provinsi. Hasil penelitian menunjukkan bahwa keragaman mangrove di Kalitoko relatif tinggi.Ditemukan 65 jenis mangrove (56 marga dan 35 suku), ternyata 21 jenis diantaranya dimasukkan sebagai jenislangka berdasarkan daftar IUCN dengan status rawan (VU) dan kritis (CR). Hasil analisis vegetasi satu transekdengan luas 4.500 m2 di hutan mangrove Kalitoko tercatat 18 jenis tumbuhan mangrove dengan tingkatkepadatan pohon sebesar 549 individu / ha dan basal areanya 18.61 m2/ha. Untuk tingkat belta kepadatan mencapai1.514 individu / ha dan basal areanya 3,86 m2/ha. Sedangkan kerapatan semai mencapai 194.889 individu /ha.Kata Kunci: Mangrov, komposisi, Mayalibit, Waigeo, Raja Ampat
Hutan Mangrove di Yenanas, Pulau Batanta, Kabupaten Raja Ampat, Propinsi Papua Barat Suhardjono, Suhardjono
JURNAL BIOLOGI INDONESIA Vol 10, No 1 (2014): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v10i1.338

Abstract

A reseach on mangrove vegetation has been conducted in Yenanas, Batanta Island, Raja Ampat Distric, PapuaBarat Province. The results showed that the diversity of mangrove in Kalitoko was relatively high. About 78 speciesof mangrove (61 genera and 42 families) has been recorded among them, 27 species were classified as rare speciesbased on IUCN list with status VU and CR. The result of vegetation analysis analysis of six transect which cover8,200 m2 of mangrove forest in this location recorded 10 species of mangrove plants with level density was 834-1,244 individual/ha and its basal area was 35.38-123.53 m2/ha. For the sapling the density was 440-1,714individual/ha and its basal area 1.48-4.93 m2/ha. While the seedling density up to 86,364-222,500 individual/ha.Key word : Mangrove Forest, Yenanas, Batanta Island, Raja Ampat Distric, Papua Barat Province
HUTAN MANGROVE CAGAR ALAM PULAU SEMPU, JAWA TIMUR Suhardjono, Suhardjono
JURNAL BIOLOGI INDONESIA Vol 9, No 1 (2013): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v9i1.153

Abstract

Keanekaragaman jenis tumbuhan mangrove di Raâ??as, Air Tawar dan Teluk Semut, Pulau Sempu, Jawa Timurtercatat 30 jenis tumbuhan yang termasuk dalam 18 suku dan 24 marga. Dua belas jenis di antaranya termasukdalam Kriteria IUCN (Anonymous, 1997). Kenakearagaman jenis yang paling tinggi di Raâ??as (23 jenis), TelukSemut (17 jenis) dan Air Tawar (16 jenis). Hutan mangrove di daerah ini didominasi oleh Ceriops tagal, Rhizophoraapiculata, R. mucronata, Aegiceras corniculatum, Xylocarpus granatum dan Excoecaria agallocha.Kata kunci : Mangrove, Raâ??as, Air Tawar, Teluk Semut, Pulau Sempu, Jawa Timur, IUCN.
HUTAN MANGROVE DI KALITOKO, TELUK MAYALIBIT, PULAU WAIGEO, KABUPATEN RAJA AMPAT, PROPINSI PAPUA BARAT Suhardjono, Suhardjono
JURNAL BIOLOGI INDONESIA Vol 9, No 1 (2013): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v9i1.141

Abstract

Penelitian vegetasi mangrove telah dilakukan di Kalitoko, Mayalibit Bay, Pulau Waigeo, Kabupaten Raja Ampat,Papua Barat Provinsi. Hasil penelitian menunjukkan bahwa keragaman mangrove di Kalitoko relatif tinggi.Ditemukan 65 jenis mangrove (56 marga dan 35 suku), ternyata 21 jenis diantaranya dimasukkan sebagai jenislangka berdasarkan daftar IUCN dengan status rawan (VU) dan kritis (CR). Hasil analisis vegetasi satu transekdengan luas 4.500 m2 di hutan mangrove Kalitoko tercatat 18 jenis tumbuhan mangrove dengan tingkatkepadatan pohon sebesar 549 individu / ha dan basal areanya 18.61 m2/ha. Untuk tingkat belta kepadatan mencapai1.514 individu / ha dan basal areanya 3,86 m2/ha. Sedangkan kerapatan semai mencapai 194.889 individu /ha.Kata Kunci: Mangrov, komposisi, Mayalibit, Waigeo, Raja Ampat
HUTAN MANGROVE DI YENANAS, PULAU BATANTA, KABUPATEN RAJA AMPAT, PROPINSI PAPUA BARAT Suhardjono, Suhardjono
JURNAL BIOLOGI INDONESIA Vol 10, No 1 (2014): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v10i1.338

Abstract

A reseach on mangrove vegetation has been conducted in Yenanas, Batanta Island, Raja Ampat Distric, PapuaBarat Province. The results showed that the diversity of mangrove in Kalitoko was relatively high. About 78 speciesof mangrove (61 genera and 42 families) has been recorded among them, 27 species were classified as rare speciesbased on IUCN list with status VU and CR. The result of vegetation analysis analysis of six transect which cover8,200 m2 of mangrove forest in this location recorded 10 species of mangrove plants with level density was 834-1,244 individual/ha and its basal area was 35.38-123.53 m2/ha. For the sapling the density was 440-1,714individual/ha and its basal area 1.48-4.93 m2/ha. While the seedling density up to 86,364-222,500 individual/ha.Key word : Mangrove Forest, Yenanas, Batanta Island, Raja Ampat Distric, Papua Barat Province