The MozamSeq project aims to facilitate the large-scale application of eDNA monitoring in Mozambique to support conservation, fisheries monitoring, and ecological impact assessment.
During Phase 1, we validated key stakeholders’ interest in eDNA and showed that our kits can be used by local fishing communities and conservationists to collect high-quality data on marine vertebrates.
Our findings highlighted the importance of investing in the creation of DNA reference libraries to support the accurate naming of species detected by eDNA.
Services: eDNA from Water
Phase 1 of the project was carried out between April and September 2020. The aims were to:
Facilitate the large-scale use of eDNA-based monitoring in Mozambique to support conservation, fisheries monitoring, and ecological impact assessment.
Determine whether citizen scientists could be easily trained to collect high-quality eDNA samples.
Evaluate key stakeholders’ interest, as well assessing the availability of appropriate skills and facilities in-country, logistical and regulatory constraints.
We formed a consortium of in-country project partners including local NGO Ocean Revolution Mozambique, the network of local communities in Inhambane Bay, international conservation organisation WCS, the Mozambican national fisheries research institute (IIP), and researchers at the Natural History Museum.
In-country partners were trained to collect eDNA samples. Since we were not able to visit Mozambique due to the Covid-19 pandemic, The training was delivered via video call to the NGO partners and was then passed on to members of the local communities in Inhambane via workshops led by Ocean Revolution.
Approximately 50 eDNA samples were collected from a variety of habitats, the majority from Inhambane bay with others from the very Southernmost point of the Mozambiquan coast and from more developed coastline in Maputo bay. Scientists from the fisheries institute collected samples in estuarine and inland freshwater habitats in the Southern part of the country.
Because of delays in finalizing export permits, the samples collected from Inhambane Bay in July 2020 were stored for 3 months before shipping. A second set of samples was collected from the same location in September and shipped immediately, enabling us to assess whether DNA had degraded during the storage period and whether fish communities had changed significantly between July and September.
Samples were returned to the UK and analysed in the NatureMetrics laboratory using the fish eDNA metabarcoding pipeline.
DNA quality from citizen scientists was good and the analysis was successful, detecting 303 fish species across the 41 samples.
These included a huge variety of groups, from tropical reef fish to herrings and anchovies, mackerel, jacks, gobies, sand-eels, seahorses, flying fish, flatfish and many more.
In addition to the fish species, humpback whale and a dolphin species were also detected in these samples.
There was no sign of significant DNA degradation in the samples that had been stored for 3 months prior to shipping.
At NatureMetrics our priority is the wellbeing and safety of our staff, as well as providing a high-quality service to our customers. We would like to reassure you that NatureMetrics is open for business and we are taking steps to ensure your kits are delivered and samples processed in a ‘business as usual’ manner, to help you minimise impacts on your clients and projects.
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