Volcanic mud contamination in the river ecosystem: The case study of Lusi mud volcano, Indonesia

Dewi Hidayati, Norela Sulaiman, Ismail Sahid, Nurul Jadid, Lutfi Surya Muchamad

Research output: Contribution to journalArticle

Abstract

The assessment of the impact of volcanic mud discharge into a river based on several quality indices including habitat quality index (HQI), water quality index (WQI) and fish biotic integrity (FIBI) using the case study of Lusi in Sidoarjo-Indonesia, was undertaken from January 2011 to February 2012. Compared to the data collected at the control station (HQI= 21; WQI= 59-75; FIBI=75), the siltation caused by the Lusi discharge adversely affected several factors. Firstly, the declining value of stream covers and aesthetics resulted in lower HQI (10-13); secondly, the increasing concentration of total suspended solids (TSS), biochemical and chemical oxygen demand (BOD and COD) resulted in low WQI, primarily in the dry season (22.3-49.3); and thirdly, the limited supporting habitat for cyprinids and the mud-intolerant native fish species lowered the FIBI score (60-65). The abundance of mud-tolerant species revealed that the downstream aquatic communities have the ability to adjust to the volcanic mud contamination. However, since there was a strong positive correlation between HQI and FIBI, the expected long term exposure to Lusi will be followed by more habitat degradation, thus limiting the life of fishes that are not tolerant to the mud and lowering of the quality indices permanently. Further investigations using Mystus gulio as the bioindicator for Lusi mud contamination is proposed, as follow-up research.

Original languageEnglish
Pages (from-to)31-40
Number of pages10
JournalNature Environment and Pollution Technology
Volume18
Issue number1
Publication statusPublished - 1 Jan 2019

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mud volcano
Volcanoes
Ecosystems
Fish
mud
Contamination
Rivers
Index of Biotic Integrity
ecosystem
river
habitat quality
Water quality
Biochemical oxygen demand
fish
water quality
Chemical oxygen demand
Biomarkers
Discharge (fluid mechanics)
index
contamination

Keywords

  • Fish biotic integrity
  • Habitat quality
  • Lusi mud
  • Mud volcano
  • Water quality

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Environmental Science(all)

Cite this

Volcanic mud contamination in the river ecosystem : The case study of Lusi mud volcano, Indonesia. / Hidayati, Dewi; Sulaiman, Norela; Sahid, Ismail; Jadid, Nurul; Muchamad, Lutfi Surya.

In: Nature Environment and Pollution Technology, Vol. 18, No. 1, 01.01.2019, p. 31-40.

Research output: Contribution to journalArticle

Hidayati, Dewi ; Sulaiman, Norela ; Sahid, Ismail ; Jadid, Nurul ; Muchamad, Lutfi Surya. / Volcanic mud contamination in the river ecosystem : The case study of Lusi mud volcano, Indonesia. In: Nature Environment and Pollution Technology. 2019 ; Vol. 18, No. 1. pp. 31-40.
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