Biodiversity of Fish Inhabit Aquatic Ecosystem in Senepis Peat Forest, Riau, Indonesia

Authors

  • Rizki Oktavian Marine Sciences Department, Universitas Riau, Pekanbaru 28293, Indonesia Author
  • Nabila Afifah Azuga Marine Sciences Department, Universitas Riau, Pekanbaru 28293, Indonesia Author
  • Sefni Hendris Marine Sciences Department, Universitas Riau, Pekanbaru 28293, Indonesia Author
  • Irwan Effendi Marine Sciences Department, Universitas Riau, Pekanbaru 28293, Indonesia Author
  • Azwin Azwin Forestry Department, Universitas Lancang Kuning, Pekanbaru 28265, Indonesia Author
  • Edward Bahar Agrotechnology Department, Universitas of Pasir Pengaraian, Pasir Pengaraian, Indonesia Author

Keywords:

Aquatic Biodiversity , Peat Swamp Forest, Phytoplankton, Zooplankton, Benthos

Abstract

The Senepis Peat Forest in Riau, Indonesia, represents a unique and sensitive aquatic ecosystem that supports a diverse range of freshwater biodiversity. This study aims to assess the structure and abundance of aquatic organisms, particularly focusing on the biodiversity of fish and supporting biotic components such as phytoplankton, zooplankton, and benthos across four monitoring stations (P1, P2, P3, and P4). Phytoplankton abundance showed the highest mean at Station P1 (57,405.56 ind/m³), indicating high primary productivity, but also displayed considerable variability (SD: 206,330.71), likely due to environmental fluctuations. Zooplankton abundance positively correlated with phytoplankton, particularly at P1, suggesting a close trophic relationship between primary producers and primary consumers. In contrast, benthic organisms exhibited the highest abundance at P2 (mean: 58.34 ind/m²; max: 319 ind/m²), implying a habitat-specific adaptation possibly related to substrate type and oxygen levels. The diversity and distribution patterns of fish and aquatic biota in Senepis reflect the complex interplay of biotic and abiotic factors shaping community structures in peatland aquatic systems. The findings emphasize the ecological importance of Senepis as a habitat for aquatic biodiversity and highlight the need for continuous environmental monitoring and integrated conservation strategies.

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Published

2025-05-31

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