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All Journal JURNAL BIOLOGI PAPUA
Suriani Br. Surbakti
Jurusan Biologi FMIPA Universitas Cenderawasih, Jayapura–Papua
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Environmental Science Materials Science & Nanotechnology

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Analisis Filogeni Thiaridae (Mollusca: Gastropoda) Papua Menggunakan Karakter Morfologi Suriani Br. Surbakti
Jurnal Biologi Papua Vol 4, No 1 (2012)
Publisher : Jurusan Biologi FMIPA Universitas Cenderawasih

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31957/jbp.530

Abstract

The characteristics  morphology and variations of shell can be used to reconstruct the sequence and phylogenetic of Thiaridae. 34 characters and 2 outgroups of Bellamya sp. from Papua and Sulawesi were used to observe 27 species Thiaridae. Phylogenetic Analysis Using Parsimony (PAUP Software Version 4.0., Swofford) and the neighbour joining cladogram were used to reconstruct the phylogenetic relationship and to group the taxa of Thiaridae based on distribution areas of genera separately. The study indicated that  the taxon of Thiaridae can be groupped into 3 clades. Each clade depicts the taxon population based on their distribution areas in Batanta Island, Sorong, Manokwari, and Bintuni Gulf. All molded into one clade. Biak, Supiori, Serui, Wamena, Merauke, and Jayapura are formed one clade. Thiara, Terebia, and Melanoides are genera which formed a clade each genus. While Stenomelania molded into 3 clades. Morphology character and closed regionsof distribution tended to form ingroup clade and sister species.Key words: characters, phylogeni, Thiaridae, dan Papua.
Biologi dan Ekologi Thiaridae (Moluska: Gastropoda) di Danau Sentani Papua Suriani Br. Surbakti
Jurnal Biologi Papua Vol 3, No 2 (2011)
Publisher : Jurusan Biologi FMIPA Universitas Cenderawasih

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (404.007 KB) | DOI: 10.31957/jbp.550

Abstract

Lake Sentani has been subjected to multi-pronged  pressures, involving both internal and external factor.  Yet, ecologists researching the lake generally, conduct studies on water quality, but less attention was paid towards faunal diversity and biological resources potentials of the lake. This research is focused on the diversity of Thiaridae species (Gastropoda). The research was conducted for two months from October to November 2009 using line transect methods in settlement and no settlement areas, inlet and outlet areas. The transects was installed in the lake from the shoreline at 0 to 0.5m depth  and 0.5 to 1.0m depth  and 1.0 to 1.5 m depth. At each depth sample, 4 points were taken. Transect at each location, repetition was  repeated 4 times. The results brought in the diversity of Thiaridae as 7 species, namely Tiara scabra and Melanoides granifera, Melanoides tuberculata, Melanoides canalis, Melanoides copali, Melanoides sentaniensi, Stelomelania sp. The highest diversity were found in no settlement region with a value of H was 0.65 and the lowest were found in residential area with a H value was 0.57, inlet area was 0.59 and outlet area was 0.34. Density in no settlement areas was 0.36, inlet area was 1.84 and outlet area was 0.64. Environmental parameters was also assessed in this study, such as temperature, pH, DO, phosphorus, nitrite and nitrate. Key words: threat, Lake Sentani, diversity, density, Mollusc.
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