Ascension Island Government


About Conservation

Safeguarding Ascension's biodiversity and ecosystems through protection, restoration and long-term management to create a legacy for the future.

Welcome to the AIG Conservation and Fisheries Directorate pages. Learn more about the diverse and special flora and fauna that call Ascension home, explore the Island's nature reserves and heritage sites and read about the work underway to conserve and restore Ascension Island's unique natural ecosystem.


In 2001 the Ascension Island Government and the UK Government signed the Ascension Island Environment Charter, outlining guiding principles and a commitment to the protection of the Island's environment. Since then AIG Conservation and Fisheries Directorate (AIGCFD) has made steady progress in conserving and promoting the Island’s unique biodiversity. Working with partners and supporters the Directorate carries out practical conservation tasks along with a number of research projects. If individuals or organisations are interested in conducting research either on Ascension Island or within Ascension's Exclusive Economin Zone, an Environmental Research Permit must first be requested and approved. Please email all enquiries and completed forms to the Directorate.

Volunteering with us

AIGCFD welcomes volunteers who are keen to get outdoors and involved with the work the directorate carries out. There are many activities throughout the year that volunteers can help with such as working with the Reserve Warden team or removing invasive species.

For those interested in volunteering or to find out what activities are available please call 66359, email the department or pop in to the Conservation Centre in Georgetown.

All volunteers will need to complete a volunteer form before undertaking any volunteering activities. These can be downloaded online or are available in hard copy from the Conservation Centre.

Booking a Tour

AIGCFD run a selection of tours depending on time of year and availability. Tours are available around the Island and Green Mountain, and during turtle nesting and crab spawning events. Turtle and land crab tours are free to island residents.

If individuals are interested in booking a tour please call 66359, email the directorate or pop in to the Conservation Centre in Georgetown.

Safeguarding Biodiversity

Find out more about our work to safeguard Ascension’s unique biodiversity in this short documentary produced by Bryony Stokes and funded by the Darwin Initiative:

Conservation image credit to AIG Conservation, Sam Weber, Jude Brown, and Steve Brown.

Meet the Teams

The Ascension Island Government Conservation and Fisheries Directorate (AIGCFD) comprises of several different teams that are listed below. Each team has their own specialty and responsibilities, working together to protect the whole of Ascension Island's biodiversity.

AIGCFD as a whole is also involved in outreach and the local community, organising public events such as family fun days, volunteer days, beach cleans and participating in the Ascension Day Fair. During the school holidays the directorate runs ‘Explorers’ for young people to discover the unique habitats and wildlife of Ascension. Throughout the school year the team regularly lead school trips and classroom lessons. AIGCFD also coordinates youth trainee internships and work experience placements available for local school students. Souvenirs are also on sale in the Conservation Centre's shop.

An annual newsletter is sent to partners and interested bodies while local people can keep up-to-date through articles in the weekly island newsletter. For those interested in receiving the newsletter, please email AIGCFD.

Information on conservation work under way on Ascension's sister island of St Helena can be found on the St Helena government website.

Terrestrial Conservation

Terrestrial Conservation

The Terrestrial Conservation Team have varied responsibilities that encompass the diversity of flora and fauna that live or spend part of their life cycle on Ascension Island. These responsibilities can often intertwine and overlap.

Seabird Team


Ascension Island supports nationally and internationally important populations of nesting seabirds including the endemic Ascension Frigatebird. AIGCFD monitors the health of these populations, performing regular census and monitoring key colonies to record how many chicks successfully fledge.

Unique rings and specialised tags are used to uncover where individual birds travel and can provide information about breeding and survival rates. Seabird diet is monitored as an indicator of the health of the marine ecosystem.

Plant Team


There are at least 25 plants that are native to Ascension - including 10 endemic species, of which only 7 are still alive. These endemic plants are heavily threatened by invasive plant and pest species, climate change and human activity.

The directorate strives to tackle these challenges, monitoring plant health and abundance while taking active conservation efforts through nursery work, habitat restoration, and propagation trials. Seeds and spores are collected and stored at Kew's Millennium Seed Bank as a conservation failsafe.

Turtle Team


Ascension Island has the second largest nesting population of green turtles in the Atlantic ocean, with over 25,000 nests annually. AIGCFD conducts a long term population monitoring project studying the trends and productivity of the green turtles.

This work includes track and nest counts, measuring hatching success and recording nest temperatures. During the nesting season (December-June), guided turtle tours are run in the evening for residents and visitors to view nesting turtles.

Crab Team


The land crab is a near-endemic of Ascension Island, found only here and on two islands off Brazil. AIGCFD’s Operation Land Crab project was created to address the lack of information on the status of the population and the threats they face.

Data is collected on spawning behaviour and growth rates during the spawning season from Feb-Apr. Individual crabs are also tagged to track migration. This baseline data can be used to develop robust population monitoring protocols and improve our ecological understanding of this species.

Mexican Thorn

Invasive Species Control

Ascension has seen many introduced species since it was first settled in 1815. Several of these species have had a major impact, reshaping habitats and ecosystems that native flora and fauna rely on.

AIGCFD controls and removes invasive plant species within clearance zones covering protected areas, areas of natural beauty and other important conservation areas.

Marine Conservation

marine team photo 800x600

Ascension Island’s marine ecosystem is relatively untouched, with an abundance of life. AIGCFD monitor the health of this environment by collecting important ecological data via abundance surveys, biological sample collection and the acoustic tagging of economically important species such as spiny lobster, rock hind grouper, and yellow spotted moray.

Analysis provides insight into population dynamics, growth rates, spawning cycles and maturity of these key species. This allows effective monitoring and management to ensure this important resource is here for years to come. AIGCFD work alongside UK agencies to monitor and manage the Ascension Island Marine Protected Area.


Reserve Wardens

Warden Team

The AIGCFD Reserve Wardens conserve the natural and cultural heritage of Ascension Island's protected areas. The wardens perform practical conservation tasks such as clearing paths and building infrastructure to enhance public enjoyment and accessibility while protecting the island's unique biodiversity.

The directorate maintain historical features found within the protected areas and carry out important scientific research on key species. The wardens promote community engagement with the national park and nature reserves, providing information and organising public events.



As an isolated island, one of the greatest threats to local biodiversity to the introduction of invasive non-native species (INNS). The majority of all recorded island extinctions list invasive species as the primary cause. The Conservation Department are working with partners locally and internationally to prevent, detect, control and eradicate invasive non-native species within the Ascension Island Territory. This is being done through the development of:

  • Import standards
  • Awareness and education program
  • Surveillance of imports and key freight storage areas
  • Development of control and eradication protocols

Social Media

To keep up to date with the AIG Conservation and Fisheries Directorate (AIGCFD) follow us on social media.


Comments Box SVG iconsUsed for the like, share, comment, and reaction icons

A green turtle was found in a deep rock pool on Deadmans beach this morning. Concerned members of the public reported the situation and an assessment was performed by our team. It was decided that it was in her best interests to be moved out of the pool and returned to the sea where she could properly recuperate.

Thank you to Ascension islanders for continuing to care for our wildlife! The Conservation team may be contacted on 66359.
#conservation #smallislandBIGVISION #turtle #marineprotectedarea
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A green turtle was found in a deep rock pool on Deadmans beach this morning. Concerned members of the public reported the situation and an assessment was performed by our team. It was decided that it was in her best interests to be moved out of the pool and returned to the sea where she could properly recuperate. 

Thank you to Ascension islanders for continuing to care for our wildlife! The Conservation team may be contacted on 66359. 
#Conservation  #smallislandBIGVISION #Turtle #MarineProtectedArea

Comment on Facebook

Best thing I've ever done helping these amazing green backs

Also great work, nothing sadder than a dead adult turtle on the beach. I found one near ladies loo once which tried on excavate under a stone wall and sadly died when it fell on her. It is great that most deaths are preventable due to you team's hardwork

Fantastic news and well done all !!!

So great to see Ascension Islanders are taking good care of their green turtles! 😊🐢

I wonder if there are turtles with better spatial awareness than others. Do some get stuck every year?

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Did you visit Ascension Island between 1960 and 2020? The Mexican Thorn Project needs your help!

We are looking for landscape photos between these periods to help determine how fast Mexican thorn has spread across the island since its introduction in the 1960's.

If you have any photos you are happy to share, please send them, along with the date and location they were taken, to:

Let’s curb the spread of this invasive together!
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Comment on Facebook

Thanks for getting back to us about your photos. If you are happy to send any over, please contact Chrisna via email and she can let you know how to send them over ( 🙂

Lamb and I have 20 years' of photos. We can put some on a memory stick if that would help?

I've got loads covering a 5 year period having organised a number of hillwalking expeds. Is there a shared folder we can upload to?

Oh I think I have a few from 2012, 2014/5 & 2016/7. Also worth writing to 47 Regt RA in Larkhill who were on the island 2016/17 some took lots of photos while walking

There are bound to be some photographs, Eliza. I will ask around.

I visited in 2017. I might have some photos

Colin Wearn any avid photographers on previous expeditions or did they only train cameras on the seabirds?

I was stationed there from 1984 to 1987....

Ruan Richardson xxxx

Rob Setac

Pauline Millard

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Follow the link below for this month's nature notes. Nature notes is a monthly instalment bringing you information and updates about the natural world on #AscensionIsland. In this month's notes- Rain Grass, 𝐸𝑛𝑛𝑒𝑎𝑝𝑜𝑔𝑜𝑛 𝑐𝑒𝑛𝑐ℎ𝑟𝑜𝑖𝑑𝑒𝑠
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Follow the link below for this months nature notes.  Nature notes is a monthly instalment bringing you information and updates about the natural world on #AscensionIsland. In this months notes- Rain Grass, 𝐸𝑛𝑛𝑒𝑎𝑝𝑜𝑔𝑜𝑛 𝑐𝑒𝑛𝑐ℎ𝑟𝑜𝑖𝑑𝑒𝑠

Comment on Facebook

"Seed is produced in vast quantities"..... look out for an explosion in the mouse population then. I observed high mouse numbers in 2008 when I was there, and they were clearly benefitting from grass seed.

It didn't have grass when I was stationed there.

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