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      Metabarcoding to establish freshwater indicators of environmental degradation in the Indo-Burmese biodiversity hotspot

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      ARPHA Conference Abstracts

      Pensoft Publishers

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          Abstract

          Biodiversity hotspots of the world are increasingly exposed to anthropogenic pressures and resulting ecosystem breakdowns. However, biotic surveys for ecological status assessment are rarely conducted in poorly characterised, yet highly diverse ecosystems in the tropics and subtropics. Here, we addressed the challenge of developing a monitoring system for the highland streams of the Indo-Burmese biodiversity hotspot in Bangladesh, using a meta-barcoding approach to investigate the impacts of growing anthropogenic pressures on poorly studied invertebrate communities. Species richness and beta diversity in the region were correlated with anthropogenic stressors that varied greatly between sampling sites. A partial-network approach allowed us to identify potential indicator species for either a good or poor ecological status. Overall, our results document high species richness and pronounced responses to disturbance in these unexplored, but threatened habitats. In combination with classical taxonomy approaches, metabarcoding can therefore serve as a valuable tool to rapidly generate lacking baseline information facilitating the conservation of vulnerable ecosystems.

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          Author and article information

          Contributors
          (View ORCID Profile)
          Journal
          ARPHA Conference Abstracts
          ACA
          Pensoft Publishers
          2603-3925
          March 04 2021
          March 04 2021
          : 4
          Article
          10.3897/aca.4.e65364
          © 2021

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