Modernizing and Optimizing Biomonitoring of Lithuania Rivers

This project aims to modernize river biomonitoring in Lithuania through the development of novel type-specific and DNA-based EU Water Framework Directive (WFD) compliant assessment indices. The timeliness of this project is underscored by a mandate to achieve ‘good’ ecological status in European surface waters by 2027 – a goal presently unmet due to the stagnant and deteriorating ecological statuses of rivers across Europe. This project proposes a threefold strategy: 1) Optimization of Lithuania’s current bioassessment methods through the development of type specific macrophyte and benthic invertebrate indices that integrate both structural and functional aspects of ecological status, thereby aligning with WFD guidelines; 2) Development of eDNA microorganism-based index. Recognizing the pivotal role of microorganisms (e.g., bacteria) in ecosystems, the proposed microorganism-based index promises a more comprehensive representation of environmental variations, enhancing the accuracy and efficiency of biomonitoring; 3) Evaluation of taxonomic identification methods by comparing the sensitivity and reliability of DNA-based identifications against traditional morphology-based methods. This objective will also enrich genetic libraries with new DNA sequences of Lithuanian benthic invertebrates. Beyond the scientific community, this project has profound implications for local governance, public policy, and conservation. By aligning with the WFD, it not only aims to improve biomonitoring in Lithuania but also sets a precedent for other EU member states. The implementation team, comprising early-career researchers, environmental practitioners and students, brings a rich diversity of skills and perspectives, ensuring a multidisciplinary research approach. This project represents a leap forward in biomonitoring, offering a more efficient, cost-effective, and accurate approach to assess and protect Lithuania’s river ecosystems.

Funded according to the agreement with the Research Council of Lithuania Nr. S-MIP-24-61.

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