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Wildlife
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- - We protect wildlife in Britain and around the world by bringing our most threatened species back from the brink of extinction. We do this through ground-breaking research, practical conservation and education, all with the help of our supporters.
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- Close
- - Some habitats contain such a richness of life that we need to protect them at all odds. We are working to preserve ancient woodlands, orchards and wood pastures and parklands, as well as the countless species they support.
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- - Everything we do is based on scientific evidence. We gather this through surveys, which you can take part in, and by awarding research grants to the most inspiring scientists worldwide. This evidence guides our conservation efforts and is shared through our events and publications.
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- - People’s Trust for Endangered Species was set up in 1977 to save our wildlife. We are governed by a board of volunteer trustees and our team of staff are passionate about protecting endangered species and places.
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- - We strive to bring our most threatened species in the UK and around the world back from the brink of extinction. Our successes come from ground-breaking research, practical conservation and education, all with the help of our supporters.
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- - There are so many ways you can help save endangered species. Fancy taking part in a survey, joining us on a wildlife event or becoming a regular supporter?
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Home // Research grants // Our UK mammal projects // Bottlenose dolphin conservation in the British Isles

Bottlenose dolphin conservation in the British Isles

Understanding relationships between different dolphin populations in the British Isles

Funding for this project has now finished

The problem

The role of a network of marine protected areas is to ensure the protection of species’ key life stages and connectivity between populations. Marine protected areas have been designated under European legislation to ensure the conservation of bottlenose dolphins. This species forms small, localised communities in the British Isles coastal waters.

However, connectivity among these communities, and therefore the role of protected areas in facilitating connectivity, is not well understood. This is because different types of genetic markers were used in each of the previous studies and consequently we do not know how related the populations are to each other.

Finding out if they are related will tell us whether the dolphins are able to move safely and easily between the protected areas.

The solution

A collaborative project led by the University of St Andrews and the University College Cork will use a new type of genetic marker (Single Nucleotide Polymorphisms, which are a difference in a base in the DNA sequence), which can be easily compared across studies, to define the population structure of all bottlenose dolphins in the British Isles. This will be the first time we’ve been able to see the relationship between different groups of dolphins in our waters and to what extent they overlap.

We will also investigate whether environmental differences among the habitats used by each community have led to adaptations to those local habitats. The results will be integrated with published studies on habitat use, ecology and site fidelity to evaluate the suitability of the existing network of protected areas for the long-term conservation of the species. We hope to confirm that there is sufficient, varied habitat to support our dolphin population, but if there isn’t, we will be in a good position to make sound recommendations on what they do need.

We will also collect information that will enable us to determine the impacts of anthropogenic activities and to estimate population trends in the future.

Thank you to all our donors who helped us fund this work. You can help us support more projects like this with a donation today:

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