Utility of an existing biotic score method in assessing the stream health in Bhutan

Dorji, Kinzang (2016) Utility of an existing biotic score method in assessing the stream health in Bhutan. PhD thesis, Queensland University of Technology.


In many countries water quality is assessed by using indices derived from the presence of macroinvertebrate species. This study aimed to improve the application of one such index (Hindu-Kush Himalaya based index: HKHbios) to rivers and streams in Bhutan. Sampling in a number of different streams showed that there was a strong influence of the monsoon on stream macroinvertebrates, however the month to month and site to site HKHbios scores showed no consistent patterns. Dry season sampling and increased ecological information on a number of macroinvertebrate taxa were identified as areas where water quality assessment in Bhutanese streams could be improved.

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ID Code: 97993
Item Type: QUT Thesis (PhD)
Supervisor: Hurwood, David, Hamilton, Grant, & Williamson, Ian
Keywords: Bioassessment, physicochemical parameters, macroinvertebrates, seasonality, water quality, HKH biotic score (HKHbios), Bhutan, south-west Bhutan, Samtse, predictable monsoonal disturbance, high stream flow, recovery/recolonization, life-history strategy, size-distribution, sampling efforts, sample size, sampling techniques, experience of samplers, fixed-count approach, exhaustive approach
Divisions: Current > Schools > School of Earth, Environmental & Biological Sciences
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Institution: Queensland University of Technology
Deposited On: 25 Aug 2016 00:15
Last Modified: 25 Aug 2016 00:15

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