2018
DOI: 10.1111/jzo.12630
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Activity patterns of sympatric living exotic and endemic carnivores (the fosa) in Western Madagascar's deciduous forests

Abstract: Western Madagascar's deciduous forest is an important, threatened habitat to little‐known Eupleridae, such as the fosa Cryptoprocta ferox. Using camera‐trap grids established in two important deciduous forests, Ankarafantsika National Park and Andranomena Special Reserve, we explore the activity patterns of endemic and exotic carnivores and evaluate how exotics may be influencing fosa temporal activity across these two protected areas. Three methodologies, kernel density, circular and wave analysis, were used … Show more

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Cited by 19 publications
(15 citation statements)
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“…Some dog owners have reported that their dogs harass and kill C. ferox around Ranomafana (Valenta et al, 2016;Kshirsagar et al, 2020). Data from live traps and camera traps suggest that C. ferox avoids dogs in several national parks (Figure 1), which may follow from a combination of aggressive interactions and disease transmission (Dollar et al, 2007;Barcala, 2009;Gerber et al, 2012;Farris et al, 2015;Pomerantz et al, 2016;Rasambainarivo et al, 2017;Merson et al, 2019a). For example, C. ferox is typically cathemeral, yet individuals around Ankarafantsika in the NW and Masoala-Makira in the east tend to be primarily nocturnal, where dogs are active during the dawn and day (Farris et al, 2015;Merson et al, 2019a).…”
Section: Introductionmentioning
confidence: 99%
“…Some dog owners have reported that their dogs harass and kill C. ferox around Ranomafana (Valenta et al, 2016;Kshirsagar et al, 2020). Data from live traps and camera traps suggest that C. ferox avoids dogs in several national parks (Figure 1), which may follow from a combination of aggressive interactions and disease transmission (Dollar et al, 2007;Barcala, 2009;Gerber et al, 2012;Farris et al, 2015;Pomerantz et al, 2016;Rasambainarivo et al, 2017;Merson et al, 2019a). For example, C. ferox is typically cathemeral, yet individuals around Ankarafantsika in the NW and Masoala-Makira in the east tend to be primarily nocturnal, where dogs are active during the dawn and day (Farris et al, 2015;Merson et al, 2019a).…”
Section: Introductionmentioning
confidence: 99%
“…Interference occurs through physical interactions and their indirect effects (i.e. fear of predators), whereas resource exploitation involves the consumption of a limiting resource by the superior competitor, which reduces its availability to the inferior one (Tilman, 1982;Merson et al, 2019;Nagy-Reis et al, 2019;Pudyatmoko, 2019). Amongst mammals, interference through interspecific aggression is quite common amongst carnivores, with larger predators being usually dominant over smaller ones and often affecting their behaviour, ecology and/or numbers (Palomares & Caro, 1999;Donadio & Buskirk, 2006), but it is rare in ungulates (Valeix et al, 2007;Ferretti et al, 2011a), for which indirect interactions seem relatively more frequent.…”
Section: Introductionmentioning
confidence: 99%
“…Space and time are two major components of the ecological niche. Interspecific overlap in spatiotemporal behaviour may imply interspecific competition, for example through direct interference or resource exploitation (Kronfeld‐Schor & Dayan, ; Merson et al , ). Interference occurs through physical interactions and their indirect effects (i.e.…”
Section: Introductionmentioning
confidence: 99%
“…The preference for crepuscular hours may reduce temporal overlap with humans, making it unnecessary for fosas to restrict their activities to nocturnal hours. A study in the Park that examined fosa and exotic carnivore activity patterns found fosas were active at different times compared to dogs and humans (Merson et al, 2018).…”
Section: Discussionmentioning
confidence: 99%