KEANEKARAGAMAN SPONS DI KAWASAN PANTAI KINAMANG KECAMATAN MALALAYANG KOTA MANADO
Abstract
Spons are primitive living settled animals that are filter feeder. These animals are commonly found in tropical and sub-tropical waters, ranging from the intertidal zone to the subtidal. The aim of this study is to know the diversity of species and the content of bioactive sponges. Sponge data collection: ecological index, species composition and density of sponge as well as knowledge of the study of bioactive sponge using the library study of the research carried out and using the scientific articles of the last 10 years, from 2013 to 2023. The study used the transec belt method that has been modified. From the use of the method, 17 Families were obtained, 48 individuals at a depth of 7 m and 118 individuals at 14 m. Based on the results of this study showed that the index of diversity obtained from the analysis results belonged to the average in 7 m and 14 m. Distribution patterns obtained from data analysis results obtain the distribution pattern at a depth of 7 m grouping 5 families, uniform 5 families and random 1 family. At a depth of 14 m, the most spread pattern is the uniform spread of 10 families, and the spread model groups 4 families. The index of diversity obtained from the results of data analysis is high (stable). The composition of the species obtained from the results of the analysis showed the highest species of the clionaidae family and the lowest sponge species composition is 7 m depth is 0%, the lower species in 14m depths is 11.86%. The highest value of spongy density at a depth of 7 meters is 2.44 ind/m² and the lowest is 0.15 ind/m², whereas at depths of 14 meters with the highest values are 3.16 ind/m² and lower is 0.08 ind/m² and a library study of the bioactive content received 27 articles related to the family obtaining at the research site and in teluk manado.
Keywords: Diversity, Sponge, Kinamang Beach, Bioactive Content
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PDFDOI: https://doi.org/10.35800/jplt.11.1.2023.45097
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