The Cape Leopard Trust Research team has shared positive feedback from their large-scale survey of the Cederberg Mountains, with some happy surprises and amazing captures obtained from the camera grid! <\/p>\n\n\n\n
The survey, which spanned an area of over 1 600 km\u00b2 of rugged Cederberg landscape, ran from June to December 2023. Sixty-seven paired camera stations were placed along jeep tracks and hiking trails in this region of mostly pristine montane Fynbos habitat, consisting of provincial and private nature reserves, commercial and guest farms, and communal lands.<\/p>\n\n\n\n
The research team has finished sifting through the more than 240 000 photos with the help of WildID, an online machine learning programme that semi-automates the process of identifying and labelling the species in each of these images. This helps immensely, considering a whopping 29 000 of these images were of humans, mainly researchers servicing the cameras, as well as hiker and trail runner legs (the Cederberg is a very popular outdoor adventure destination!).<\/p>\n\n\n\n
Initial results from the survey indicate good species diversity with at least 29 mammal species recorded, mostly native wild species such as genet, mongoose, honey badger, aardvark and aardwolf. <\/p>\n\n\n\n
The species encountered most often were baboon, rock hyrax (dassie), klipspringer and grey rhebuck. As usual the cameras also recorded several bird species, including the spotted eagle-owl, rock kestrel, hamerkop and South African shelduck.<\/p>\n\n\n\n
After 22 weeks of data collection the survey recorded leopards at 60 of the 67 camera locations, a success rate of 90%. Using the pattern recognition software of African Carnivore Wildbook as well as observer confirmation by eye, the just over 860 identifiable leopard images were inspected to individually ID leopards. Thirty-seven different adult cats have been identified so far. These identikits were also compared to photos from our previous Cederberg survey conducted in 2017-\u201918, and encouragingly, nine of the leopards recorded then were photographed again in 2023!<\/p>\n\n\n\n
Analyses are now getting underway to obtain an updated estimate of leopard population density in the region. This will be compared to previous estimates, which will enable us to track changes in the Cederberg leopard population over time, and to inform any necessary conservation interventions in partnership with the local community and conservation organisations.<\/p>\n\n\n\n
The Cederberg survey was not without its challenges, with unprecedented floods, snow, heat and veld fires all taking turns to complicate life for the field teams. Our immense gratitude goes to CapeNature, who provided a huge amount of logistical support and assistance with the 26 camera stations falling within the Algeria, Matjiesrivier and Kliphuis Nature Reserves. The remaining 41 stations were located on private properties involving 15 different landowners. <\/p>\n\n\n\n
\u201cAs always, we are extremely grateful for the willing participation of landowners in granting us access to do our research, and in some cases even assisting us with fieldwork by servicing the cameras on their property, such as Bushmans Kloof. <\/p>\n\n\n\n
\u201cMany establishments also supported the research team with sponsored and discounted accommodation. So a special thank you perhaps is due to Bakkrans, Driehoek Tourist Farm, Edenveldt Farm, Klein Pakhuis Farm, Kromrivier Cederberg Park, Nuwerust, Red Cederberg, Keurbosfontein and Traveller\u2019s Rest.<\/p>\n\n\n\n
We are also enormously thankful to the Ford Wildlife Foundation for our sponsored Ranger and to the Land Cruiser Club Southern Africa for keeping Witblitz the Cruiser in tip-top shape. <\/p>\n\n\n\n
Reliable off-road vehicles are an indispensable part of field-based research!<\/p>\n\n\n\n
The CLT\u2019s research in the Cederberg is made possible by funding from Jamma International.<\/p>\n\n\n\n
\n Source: Cape Leopard Trust<\/i><\/p>\n","protected":false},"excerpt":{"rendered":"
The Cape Leopard Trust Research team has shared positive feedback from their large-scale survey of the Cederberg Mountains, with some happy surprises and amazing captures obtained from the camera 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