Analysis of vegetation and similarity in the nature tourism forest of Gunung Meja, West Papua, Indonesia

This study aims are to determine the importance value index (IVI) and the similarity of vegetation types in the Manggoapi and Brawijaya area. Data were obtained by continuous strip sampling. A total of 40 plots or 1.74% Ha of the natural forest mountain area was used in this study. The square size of each plot was 100 m X 20 m. Plant inventory activities were conducted in the Manggoapi and Brawijaya areas. There were 126 species from 38 families with 1334 individuals. Pometia coreacea was the highest IVI value of 21.98%. The highest and lowest similarity indexes were 47.1% and 0.9%, respectively. A total of 137 species was found in 33 families with 738 individuals from Brawijaya area. Pometia coreacea had the highest IVI value of 28.05%, with the highest similarity index of 50%. Moreover, the lowest species similarity was 3.9%. The similarity index values between Manggoapi and Brawijaya areas were low. There was no combination of observations with a similarity index value > 75%.