Komposisi dan Struktur Komunitas Fitoplankton di Danau Diatas Kabupaten Solok Sumatera Barat

Authors

  • Muhammad Ikhsan Laboratorium Ekologi, Jurusan Biologi, Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Andalas, Kampus Limau Manis, Padang 25163
  • Izmiarti Izmiarti Laboratorium Ekologi, Jurusan Biologi, Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Andalas, Kampus Limau Manis, Padang 25163
  • Indra Junaidi Zakaria Laboratorium Ekologi, Jurusan Biologi, Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Andalas, Kampus Limau Manis, Padang 25163

DOI:

https://doi.org/10.25077/jbioua.4.2.%25p.2015

Abstract

A study on community of phytoplankton in Diatas lake was conducted from April to September 2014. This study aimed to describe composition and structure of phytoplankton of the lake. We sampled phytoplankton at 6 stations purposively using plankton net that hauled vertically. We  found 70 species of phytoplankton those belong to five classes, i.e. Bacillariophyceae (33 species), Chlorophyceae (27 species), Cyanophyceae (5 species), Dinophyceae (3 species) and Euglenophyceae (1 species). Total density of phytoplankton ranged from 881.06 to 3,196.02 ind/l. The highest density was at Station VI (Teluk Kinari) and the lowest one was at Station III (Muaro). Phytoplanktons with higher relative density (RD > 5 %) were Melosira italica, Synedra ulna, Melosira granulata (Bacillariophyceae), Staurastrum cereates, Chlorella vulgaris and Spirogyra fluviatis (Chlorophyceae). Shannon-Wiener Diversity index of phytoplankton (H`) ranged from 1.30 to 1.71 with the highest diversity index was at Station IV (Batang Hari) and the lowest was at Station V (central lake). Equitability index (E) was ranged from 0.39 to 0.57. Similarity index among stations were low which ranged from 34.48  to 62.50%.

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Published

2015-06-15

How to Cite

Ikhsan, M., Izmiarti, I., & Zakaria, I. J. (2015). Komposisi dan Struktur Komunitas Fitoplankton di Danau Diatas Kabupaten Solok Sumatera Barat. Jurnal Biologi UNAND, 4(2). https://doi.org/10.25077/jbioua.4.2.%p.2015

Issue

Vol. 4 No. 2 (2015)

Section

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