北苏拉威西岛万鸦老湾海鞘的分布和多样性

Andreas J. P. L. Leleran, S. B. Pratasik, M. Salaki, L. Lumingas, Alex D. Kambey, S. Undap
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引用次数: 0

摘要

本研究旨在了解万鸦鸦湾海鞘的分布和多样性,包括种类组成、密度、多样性和优势度。本研究采用样方法。研究发现,海鞘种类随水深的变化存在差异,15 M水深5科11种,7 M水深3科8种。多样性指数在15 M深度为0.868 ~ 1.844,7 M深度为0.965 ~ 1.864;均匀度指数在15 M深度为0.533 ~ 0.839,7 M深度为0.600 ~ 0.897;优势度指数在15 M深度为0.254 ~ 0.745,7 M深度为0.254 ~ 0.708。万鸦老湾海鞘有均匀分布和聚集分布两种分布格局。环境参数为水温27℃~ 31℃,盐度30 0/00 ~ 32 0/00,亮度12 m ~ 14 m, pH 8 ~ 10。*关键字:海鞘类;多样性;生态指数;摘要:图juan dari penelitian ini adalah untuk mengetahui distribusi and keanekaragaman jenis ascidia di perairand Teluk Manado meliputi: komposisi jenis, kepadatan个体,keanekaragaman, dan dominansi。海鞘斑纹分布。Penelitian ini mongunakan metosek kuadran。Pada penelitian ini ditemukan perbedaan jumlah种ascidia menurut kedalaman, 11种dari 5科Pada 15 M, 8种dari 3科Pada kedalaman 7 MNilai索引keanekaragaman ascidia di kedalaman 15 m = 0.868 - 1.844 dan 7 m = 0.965 - 1.864,索引keseragaman 15 m = 0.533 - 0.839 dan 7 m = 0.600 - 0.897,索引Dominasi15 m = 0.254 - 0.745 dan 7 m = 0.254 - 0.708。在台湾,台湾的台湾,台湾的台湾,台湾的台湾,台湾的台湾,台湾的台湾,台湾的台湾,台湾的台湾。参数:苏湖空气27℃~ 31℃,盐度30 0/00 ~ 32 0/00,克奇拉罕12 m ~ 14 m, pH 8 ~ 10。*Kata kunci:海鞘;基金会;indeks ekologi;普拉distribusi
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Distribution and Diversity of Ascidian in Manado Bay, North Sulawesi
The purpose of this study was to determine the distribution and the diversity of ascidians in Manado Bay including species composition, density, diversity, and dominance. This study used the quadrat transect method. This study found differences in the number of ascidian species with water depth, 11 species of 5 families at 15 M depth, and 8 species of 3 families at 7 M depth. The diversity index ranged from 0.868 to 1.844 at 15 M depth and 0.965 to 1.864 at 7 M depth, the evenness index was 0.533 – 0.839 at 15 M depth and 0.600 – 0.897 at 7 M depth, the dominance index was 0.254 – 0.745 at 15 M depth and 0.254 – 0.708 at 7 M depth. Ascidian in Manado Bay had two distribution patterns, a uniform distribution pattern and a clustered distribution pattern. Environmental parameters had a water temperature of 27 oC – 31 oC, the salinity of 30 0/00 – 32 0/00, the brightness of 12 m – 14 m, and pH of 8 – 10.*Keywords: Ascidian; diversity; ecological index; distribution patternAbstrakTujuan dari penelitian ini adalah untuk mengetahui distribusi dan keanekaragaman jenis ascidia di perairan Teluk Manado meliputi: komposisi jenis, kepadatan individu, keanekaragaman, dan dominansi. Serta mengetahui pola distribusi ascidia. Penelitian ini menggunakan metode transek kuadran. Pada penelitian ini ditemukan perbedaan jumlah spesies ascidia menurut kedalaman, 11 spesies dari 5 family pada 15 M dan 8 spesies dari 3 famili pada kedalaman 7 m. Nilai indeks keanekaragaman ascidia di kedalaman 15 m = 0.868 – 1.844 dan 7 m = 0.965 - 1.864, indeks keseragaman 15 m = 0.533 – 0.839 dan 7 m = 0.600 – 0.897, indeks Dominasi15 m = 0.254 – 0.745 dan 7 m = 0.254 – 0.708. Ascdia di perairan Teluk Manado memiliki dua pola distribusi yaitu pola distribusi seragam dan pola distribusi mengelopok. Parameter lingkungan memiliki suhu air 27 oC – 31 oC, salinitas 30 0/00 – 32 0/00, kecerahan 12 m – 14 m, dan pH 8 – 10.*Kata kunci : Ascidia; keanekaragaman; indeks ekologi; pola distribusi
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