September, 2018

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Rainforests

  • It's International Chocolate Day - seems like the perfect excuse to eat Gola Chocolate?!

    It’s International Chocolate Day! Did you know that one of our fastest growing projects in Gola is our work on rainforest-friendly cocoa production? In fact, in early 2019 we will be launching our very own chocolate bar made from cocoa grown within the Greater Gola forest area.

    Commodities like cocoa can, in some cases, be drivers of deforestation, with areas of tropical forest being cleared to grow plantations of cocoa trees in order to meet demand across the world. But it doesn’t have to be this way. In fact, cocoa grows best when surrounded by the shade of the other trees, the rainforest itself protecting the cocoa from the harsh sun and providing nutrients through the soil.

    The Gola project is supporting cocoa farmers in the forest-edge communities to improve the quality and yield of their forest-grown cocoa, in order that they can generate a reliable income without having to encroach on the rainforest. At the same time, we are conducting research to show that cocoa grown in this way supports important forest biodiversity, including birds and primates, and can play a vital role in providing wildlife corridors between fragments of primary rainforest. Our ambition is for Gola farmers to be rewarded for growing cocoa in a forest-friendly way through the growth of a premium chocolate market which acknowledges the value of rainforest guardians like these Gola communities.

    One of the ways we are hoping to get this message out there is through the development of an RSPB Gola Chocolate bar. I have had the really hard (‘cough’) job of working with chocolate makers around the UK to develop a recipe that showcases the unique flavour of Gola cocoa. This week, to celebrate International Chocolate Day, I decided to share the chocolate love and gave my colleagues a chance to sample some Gola chocolate for themselves.

    In a potentially risky move, I set up a table with 8 unlabelled samples, 4 milk chocolate and 4 dark, which included 2 Gola samples (one of each flavour). I asked people to taste the samples and then vote for the ones they liked best. I am very relieved to say that the Gola chocolate proved extremely popular, with our Director of Conservation, Martin Harper, picking out the Gola milk chocolate sample as ‘Best in Show’. Now you can’t really get any better than that!

    We are putting the finishing touches on the chocolate recipe this month and are hoping to have bars to share with you all in RSPB shops, online and in the catalogue from January. I’ll leave you to salivate over that for now, but if you would like to find out more about the Cocoa Project you can contact the team on GolaCocoa@rspb.org.uk.

  • The value of camera traps for research in the Gola Rainforest

    Camera traps, or remotely activated cameras, are used the world over for monitoring wildlife because they are a non-invasive and cost-effective method of collecting continuous sampling data. Camera traps are particularly useful in a forest environment where animals tend to be secretive in nature and the sheer density of vegetation makes it difficult to see anything further than a few metres away.

    The Gola team have been using camera traps for a number of years now, the results are combined with other data (such as nest surveys and community questionnaires) to help build a map of where different species are found within the forest. This allows us to target conservation activities in the right places.


    One of the camera traps deployed in Gola Rainforest

    Here is a summary of some of the key uses and findings from our camera trap work.

    Threatened primates

    Gola is home to a number of primate species that are of conservation concern. The population of western chimpanzees (Pan troglodytes ssp. verus), found only in West Africa, has declined significantly over the past 50 years. This decline in population led to the western chimpanzee being re-classified in 2016, it is now considered to be critically endangered in accordance with the IUCN Red List.

    Like other threatened primate species found in Gola, for example the western red colobus (Piliocolobus badius), Diana monkey (Cercopithecus diana) and sooty mangabey (Cercocebus atys), chimpanzees are at high risk from poaching and habitat fragmentation, and often utilise areas of habitat both inside and outside of protected areas.

    Our camera trapping data can help to identify key areas where these primates are found outside of the protection of the National Park, where different conservation approaches are needed which rely on community engagement. Photos are also useful for gathering information about primate group compositions and behaviours which can be particularly difficult to determine in the thick forest habitat.

    One of our most significant findings has been that while most populations of these threatened primates are declining in the region, populations in Gola appear to be stable or increasing. These results are being shared and it is hoped that lessons learnt in Gola can help improve the prospects for primates across West Africa.  

     

    Some of the primates of conservation concern caught on camera in the Gola forest. Top row: western chimpanzee. Bottom left: sooty mangabey. Bottom right: Diana monkey

    Endemic species

    Many of the species that occur in the Gola Rainforest are found only in the Upper Guinea Forest Belt and therefore the conservation of their habitat is critical. With significant deforestation having occurred across Sierra Leone, in many cases the country’s entire population of these forest dependent species may now be restricted to the Gola Rainforest National Park. As such it is important to monitor the population and distribution of these species across the Park in order to spot any changes early on. Having camera traps distributed evenly across the forest is an effective way to monitor changes in species like antelope and ground-dwelling birds.

     

    Left: Jentick’s duiker – thought to be the rarest duiker in West Africa, and endemic to the Upper Guinea Forest Belt. Middle: Zebra duiker - once widespread throughout Sierra Leone, it is believed they are now restricted to the Gola Rainforest. Right: White-breasted guineafowl - endemic to the Upper Guinea Forest, and in Sierra Leone they are only found in the Gola Rainforest.

    Hard to see animals

    Camera traps are particularly useful for collecting data on species that are otherwise rarely observed. This may because they are shy and well camouflaged, like the bongo (Tragelaphus eurycerus), or because they are mostly active at night, like the honey badger (Mellivora capensis) and marsh mongoose (Atilax paludinosus).

     

    Left: Bongo - notoriously shy and reclusive, this photo shows just how well camouflaged and difficult it is to spot them in their natural forest habitat. Middle: honey badger & Right: marsh mongoose – two of the Gola species that are primarily active at night, making first-hand observations uncommon.

    Behavioural data

    When observing wildlife, it can be difficult to accurately monitor natural behaviour because your physical presence can influence the activity to some degree. Camera traps make observations in an unobtrusive way, allowing us to collect data on a wide variety of natural behaviours such as feeding habits and social interactions. One example of where this kind of data is used is for understanding the potential risks associated with human-wildlife conflict, for example where species are believed to be crop-raiding.

     

    Left: Red river hog – often blamed for crop-raiding, camera trap data can provide information on their foraging behaviour. Right: Caught in the act! Young chimpanzee with a cocoa pod in its mouth.

    Finally, camera trap images are also great value for just giving us a laugh. Which is a value that should never be underrated.

      

    Ogilby’s duiker taking a selfie!

    Over the coming year

    Thanks to a generous donation from Zoo Basel we have been able to purchase some additional camera traps which are currently on route out to Sierra Leone. These will be used as part of our pygmy hippo surveying work, which is aiming to gain better insight into these elusive animals, about which we know very little. So hopefully over the next year we will be updating you with new additions to our small collection of images of this enigmatic animal, an icon of the Gola Rainforest.

     

    Left: new camera traps donated by Zoo Basel being packed up ready to leave for Sierra Leone. Right: some of the few clear photos we have of the elusive pygmy hippos in Gola forest.

    For more information about the work going on in Gola you can check out the Gola Rainforest website at golarainforest.org