Environmental DNA (eDNA) monitoring of priority conservation fish species in UK lentic ecosystems
Freshwater environments cover only a tiny fraction of the planet’s surface, yet they are biodiversity hotspots and support almost half of the global fish diversity, including globally and locally endangered species. In the UK, three species of national conservation value namely, Arctic charr (Salvel...
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ftunivhullir:oai:hull-repository.worktribe.com:4223124 2024-06-23T07:48:54+00:00 Environmental DNA (eDNA) monitoring of priority conservation fish species in UK lentic ecosystems Di Muri, Cristina Hänfling, B. (Bernd) Lawson Handley, Lori 2020-10-01 https://hull-repository.worktribe.com/file/4223124/1/Thesis https://hull-repository.worktribe.com/output/4223124 unknown https://hull-repository.worktribe.com/output/4223124 https://hull-repository.worktribe.com/file/4223124/1/Thesis openAccess Biological sciences Thesis publishedVersion 2020 ftunivhullir 2024-06-10T14:16:43Z Freshwater environments cover only a tiny fraction of the planet’s surface, yet they are biodiversity hotspots and support almost half of the global fish diversity, including globally and locally endangered species. In the UK, three species of national conservation value namely, Arctic charr (Salvelinus alpinus L.), European whitefish (Coregonus lavaretus L.) and vendace (Coregonus albula L.), are threatened throughout their limited distribution range by a number of human-driven environmental changes.To combat a further loss of these priority conservation fish, non-invasive, sensitive and reliable monitoring tools are required to assess their status and guide appropriate conservation measures. Advances in the field of environmental DNA (eDNA) have shown the potential of this tool to detect low-abundant species, however the actual application of eDNA methods (e.g. targeted and metabarcoding) for rare species monitoring has been mostly limited to the collection of presence/absence information.The scope of this thesis is to explore novel aspects of eDNA metabarcoding including the ability to estimate fish biomass/abundance, determine fish spawning and assess distribution and abundance of priority conservation fish across a variety of UK lentic systems. This thesis provides evidence that eDNA metabarcoding accurately reflects absolute fish biomass and abundance in high fish density ponds, and quantitative estimates are repeatable between different methods of DNA capture. This thesis demonstrates that eDNA metabarcoding determines location, timing and effort of Arctic charr spawning and can be as sensitive as quantitative PCR. Lastly, eDNA metabarcoding provides accurate information of Arctic charr, vendace and European whitefish distribution and abundance in UK lentic systems including sites of special conservation interest.The fish community information obtained from eDNA metabarcoding is, therefore, beneficial to predict future changes in distribution and abundance of priority conservation fish as well as to ... Thesis Arctic charr Arctic Salvelinus alpinus University of Hull: Repository@Hull Arctic |
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Biological sciences |
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Biological sciences Di Muri, Cristina Environmental DNA (eDNA) monitoring of priority conservation fish species in UK lentic ecosystems |
topic_facet |
Biological sciences |
description |
Freshwater environments cover only a tiny fraction of the planet’s surface, yet they are biodiversity hotspots and support almost half of the global fish diversity, including globally and locally endangered species. In the UK, three species of national conservation value namely, Arctic charr (Salvelinus alpinus L.), European whitefish (Coregonus lavaretus L.) and vendace (Coregonus albula L.), are threatened throughout their limited distribution range by a number of human-driven environmental changes.To combat a further loss of these priority conservation fish, non-invasive, sensitive and reliable monitoring tools are required to assess their status and guide appropriate conservation measures. Advances in the field of environmental DNA (eDNA) have shown the potential of this tool to detect low-abundant species, however the actual application of eDNA methods (e.g. targeted and metabarcoding) for rare species monitoring has been mostly limited to the collection of presence/absence information.The scope of this thesis is to explore novel aspects of eDNA metabarcoding including the ability to estimate fish biomass/abundance, determine fish spawning and assess distribution and abundance of priority conservation fish across a variety of UK lentic systems. This thesis provides evidence that eDNA metabarcoding accurately reflects absolute fish biomass and abundance in high fish density ponds, and quantitative estimates are repeatable between different methods of DNA capture. This thesis demonstrates that eDNA metabarcoding determines location, timing and effort of Arctic charr spawning and can be as sensitive as quantitative PCR. Lastly, eDNA metabarcoding provides accurate information of Arctic charr, vendace and European whitefish distribution and abundance in UK lentic systems including sites of special conservation interest.The fish community information obtained from eDNA metabarcoding is, therefore, beneficial to predict future changes in distribution and abundance of priority conservation fish as well as to ... |
author2 |
Hänfling, B. (Bernd) Lawson Handley, Lori |
format |
Thesis |
author |
Di Muri, Cristina |
author_facet |
Di Muri, Cristina |
author_sort |
Di Muri, Cristina |
title |
Environmental DNA (eDNA) monitoring of priority conservation fish species in UK lentic ecosystems |
title_short |
Environmental DNA (eDNA) monitoring of priority conservation fish species in UK lentic ecosystems |
title_full |
Environmental DNA (eDNA) monitoring of priority conservation fish species in UK lentic ecosystems |
title_fullStr |
Environmental DNA (eDNA) monitoring of priority conservation fish species in UK lentic ecosystems |
title_full_unstemmed |
Environmental DNA (eDNA) monitoring of priority conservation fish species in UK lentic ecosystems |
title_sort |
environmental dna (edna) monitoring of priority conservation fish species in uk lentic ecosystems |
publishDate |
2020 |
url |
https://hull-repository.worktribe.com/file/4223124/1/Thesis https://hull-repository.worktribe.com/output/4223124 |
geographic |
Arctic |
geographic_facet |
Arctic |
genre |
Arctic charr Arctic Salvelinus alpinus |
genre_facet |
Arctic charr Arctic Salvelinus alpinus |
op_relation |
https://hull-repository.worktribe.com/output/4223124 https://hull-repository.worktribe.com/file/4223124/1/Thesis |
op_rights |
openAccess |
_version_ |
1802639223287709696 |