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All Journal JURNAL PESISIR DAN LAUT TROPIS
Erly Y Kaligis
FPIK UNSRAT MAnado
Earth & Planetary Sciences

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STRUKTUR KOMUNITAS HUTAN MANGROVE DI DESA BUDO KECAMATAN WORI KABUPATEN MINAHASA UTARA Sarifudin Tidore; Calvyn FA Sondak; Antonius P Rumengan; Erly Y Kaligis; Elvy Like Ginting; Christine Kondoy
JURNAL PESISIR DAN LAUT TROPIS Vol. 9 No. 2 (2021): JURNAL PESISIR DAN LAUT TROPIS
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35800/jplt.9.2.2021.35236

Abstract

Mangrove forest can grow on the muddy soil, along the coast and around the river estuaries that are affected by the tidal. The mangrove forest has a specific vegetation structure. Study on the structure of the mangrove forest community, was carried out in the Budo Village. Mangrove community structure data was taken using line transect method. A 100 m line was established from the sea perpendicular to the coast. A total of three line transects was made and each line has five 10 x 10 m plots with 20 m distance between plots. Distance between transect is 50m. This study found that three mangrove species Rhizophora apiculata, Sonneratia alba, and Bruguiera gymmorrhiza were found in the three transects during this study. The highest species biodiversity index was found in transect two (H’ = 0.97). R. apiculata has the highest density and relative density 0.05 ind/m2 and 67.57%. Both R. apiculata and S. alba have the highest frequency and relative frequency of 1.00 and 50% respectively. The highest species coverage and relative coverage area is belonging to S. alba in transect two, 25,89 and 63.57%. S. alba has the highest Important value index 140.72 in transect two.Keywords: Budo Village, Mangrove Forest, Community Structure. 
KEANEKARAGAMAN DAN KELIMPAHAN FILUM ECHINODERMATA PADA ZONA INTERTIDAL MOLAS KECAMATAN BUNAKEN KOTA MANADO Novia A Jambo; Erly Y Kaligis; Deslie RH Kumampung; Suria Darwisito; Joshian NW Schaduw; Silvester B Pratasik
JURNAL PESISIR DAN LAUT TROPIS Vol. 9 No. 2 (2021): JURNAL PESISIR DAN LAUT TROPIS
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35800/jplt.9.2.2021.35771

Abstract

Echinoderms are one of the main components of marine biodiversity that play an important role in ecosystem function. The purpose of this study to determine the diversity, abudance,dominance, frequency and important value index of the phylum Echinoderm.The method use in this research was cruising method and the quadratic transect method. The results of this study on intertidal zone of Molas obtained as a whole includes four classes, namely Asteroidea, Echinoidea, Ophiuroidea and Holothuroidea with a total of 12 species. Based on data analysis used the quadratic transect method, it was obtained: at station I H' = 1.666, the highest species abundance index is Protoreaster nodosus at 1.133 ind/m2 and relative at 40.48%, C = 0.245 and the highest relative dominance of P. nodusus was 66.90%, the highest species frequency index is P. nodusus of 0.467 and a relative of 33.33% and the highest important value index is P. nodusus of 140.71% while at station II it is obtained H' = 1,384, The highest species abundance index is Diadema setosum at 3.067 ind/m2 and relative 55.42%, C = 0.359 and the highest relative dominance is D. setosum at 85.63%, the highest species frequency index is P. nodusus at 0.4 and relative at 27. 27% and the highest important value index of D. setosum was 159.23%.Keywords: Echinoderms, Diversity, Abundance, Dominance, Frequency, Important Value Index
Co-Authors Antonius P Rumengan Calvyn F. A. Sondak, Calvyn F. A. Christine Kondoy Deslie RH Kumampung Elvy Like Ginting Joshian NW Schaduw Novia A Jambo Sarifudin Tidore Silvester B Pratasik Suria Darwisito