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This research was conducted at the reef flat of south Putus-Putus Island, East Ratatotok, Ratatotok district, Southeast Minahasa Regency. The study aims to identify the distribution of P. verrucosa reefs in the reef flat area of Putus-Putus Island. This research is able to be utilized as an informations resource, and also able to contribute an effort in order to manage the coral reefs in the Ratatotok area in the near future. The sample is obtained with using simple random method, which collects the data randomly as the sample collecting system by drawing way or by using random number table. The random number table contains with some amount of numbers which is formed with coloumn and rows, and the drawing is done freely.  There was three point of study site determined, and geographical location of every site was noted, the north and east latitude. In every point of the site was put quadrant with 10 x 10 m, where every quadrant is divided into 100 quadrants with 1 x 1 m sized. The every 1 x 1m quadrant was made grid with 10 x 10m (100 grids for every quadrant). The percentage of the reef’s cover at the first station is (0,28%), the second station (1,4%). and the third station (1,41%). Based on the study’s result, the highest reef’s cover percentage is in the third station (1,41%) which is located further from the strait, whereas the lowest reef’s cover percentage is in the first station (0,28%) located near the strait. The distribution scheme of P.verrucosa from the three stations are grouping ( Id> 1 ). There is no noticeable diffrences from the three location for the cover percentage, the diameter and the distribution scheme. The ANOVA test showed that the amount of the colony : H hit (1.25) 1). Pada ketiga stasiun ini tidak terdapat perbedaan nyata dalam hal Persentase tutupan, diameter dan pola distribusi. Dari uji ANOVA Jumlah koloni: dimana F hit (1.25) < F tab (3.10) artinya Ho diterima, bahwa tidak ada perbedaan nyata jumlah koloni pada ketiga stasiun tersebut. Jumlah Diameter: dimana F hit (1) < F tab (3.10) artinya Ho diterima, bahwa tidak ada perbedaan nyata dalam hal jumlah diameter. Jumlah Persentase tutupan: dimana F hit (1.17) < F tab (3.10 ) artinya Ho diterima,bahwa tidak ada perbedaan nyata jumlah diameter pada ketiga stasiun tersebut.

jurnal ilmiah platax (edisi elektronik)

Distribution of Pocillopora verrucosa (Ellis dan Solander, 1786) at the Reef Flat of South Coast Putus-Putus Island East Ratatotok, Ratatotok District Southeast Minahasa Regency