Diversity of nonvolant mammals in a Caatinga area in northeastern Brazil

Guedes, Patrícia Gonçalves; Dias, Douglas Matos; Silva, Shirley S. P.; Sena, Liana Mara Mendes de

doi:10.4013/nbc.2017.123.06

Cited by 6 publications

(7 citation statements)

References 15 publications

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“…Herpailurus yagouaroundi was the most commonly observed species in photographic records (n = 36; 16.4 % of the total). Our results contrast sharply to the literature on the species, which suggests that this small felid occurs in low densities and yields few records (Almeida et al 2013, Dias et al 2017, Marinho et al 2018.…”

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Nonvolant Mammals in a Fragment of Arboreal Caatinga in Northeastern Brazil

Aximoff

Medcraft²,

Caravaggi

2021

Oecol. Aust.

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The state of Paraiba is one of those with the most degraded Caatinga that presents the large gap of knowledge concerning the mammal fauna. Mammals are among the taxa most affected by this. In this sense, we evaluated non-volant mammals’ richness and composition between March 2013 and February 2020 in a Caatinga fragment (121 ha). We used active search (336 hours) and camera traps (1,200 night traps). We recorded 20 species, including four threatened ones. Carnivora was the most representative order (7 species), followed by Rodentia (4 species). The richness of non-volant mammals found represents 35.6 % of the total number of such species in the Caatinga. This species richness is greater than that found in other studies in the state. The presence of these mammal species was mainly due to the recovering vegetation that resulted from the great planting effort and also due to cessation of hunt, cattle and sheep breeding that had existed on the farm for over thirty years. Our findings highlight the importance of this particular reserve due to the large number of species registered.

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“…These two protected areas have the same vegetation type as the study area. Recent mammal inventories carried out in the Caatinga in neighboring states indicated the occurrence between seven and 24 medium and large species (Deiciellos, 2016, Dias et al 2017, Marinho et al 2018.…”

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confidence: 99%

Nonvolant Mammals in a Fragment of Arboreal Caatinga in Northeastern Brazil

Aximoff

Medcraft²,

Caravaggi

2021

Oecol. Aust.

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“…Interactions with these species should be modeled whenever possible in order to obtain better knowledge of small felid habitat preferences in privately-owned areas. A study carried out in the Private Natural Heritage Reserve Serra das Almas, in the Brazilian state of Ceara ´, a reserve with twice the area of Fazenda Ranch, indicated that tiger cats and jaguarundis are very rare, most likely due to the locally-abundant ocelot [84]. Interestingly, in Boqueirão da Onc ¸a National Park, in the Caatinga of Bahia, ocelots, which were highly abundant, had a high temporal overlap with tiger cats, but had no effect on habitat use by jaguarundis.…”

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confidence: 99%

Interspecific patterns of small cats in an intraguild-killer free area of the threatened Caatinga drylands, Brazil

Fox-Rosales

Oliveira

2023

PLoS ONE

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The semi-arid Caatinga is the largest dry forest ecoregion in the Americas; nevertheless, it is experiencing alarming rates of habitat loss. Most vegetation fragments in the biome are either unprotected or within private lands; however, these private areas are susceptible to anthropogenic activity, and often have the presence of non-native wildlife such as domestic dogs and cats. Two small felid species, the northern tiger cat and the jaguarundi co-occur throughout the Caatinga and have overlapping niches, which require segregation mechanisms to avoid interference competition. Assessing these species strategies for coexistence is crucial, as it can guide conservation actions. With this aim, a private ranch in the Brazilian Caatinga drylands was surveyed and multi-species occupancy models were used to assess co-occurrence patterns between northern tiger cats and jaguarundis. The degree of temporal overlap between both felids and domestic dogs and cats were also assessed. Evidence was found of positive co-occurrence between tiger cats and jaguarundis, suggesting a lack of spatial segregation at our study site; and low temporal overlap was found between both felids, with tiger cats being nocturnal and jaguarundis diurnal. High temporal overlap was found though between domestic dogs and both wild felid species. Our results suggest that small felids can coexist in private areas of the Caatinga with sufficient habitat. However, there is a need to highlight the potential threat of disease transmission by non-native carnivores as something that should be addressed in these private landscapes.

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“…O número de inventários de mamíferos realizados neste bioma tem aumentado nos últimos anos (e.g., Feijó & Langguth 2013, Delciellos 2016, Marinho et al 2018a, Aximoff et al 2021. No entanto, há um déficit histórico de estudos e investimentos em pesquisa na Caatinga, fazendo com que grande parte de sua área e biota permaneça desconhecida ou subamostrada (Santos et al 2011, Dias et al 2017Marinho et al 2018a, Aximoff et al 2021. Um exemplo disso é que, até o momento, apenas um estudo sobre mamíferos de médio e grande porte foi realizado na Caatinga do estado do Piauí, tendo registrado 13 espécies, sendo cinco por registros das armadilhas fotográficas (Delciellos 2016).…”

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Mamíferos De Médio E Grande Porte Em Um Fragmento De Caatinga No Estado Do Piauí, Nordeste Do Brasil

Aximoff,

Rocha-Junior

2024

Oecol. Aust.

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A Caatinga no estado do Piauí, Brasil, está sendo continuamente degradada antes mesmo de conhecermos sua biodiversidade. Os mamíferos estão entre os táxons mais afetados pela degradação. Nesse sentido, avaliamos a riqueza e composição de mamíferos de médio e grande porte entre agosto de 2021 e julho de 2022 em um fragmento de Caatinga (2000 ha). Usamos busca ativa (96 horas) e armadilhas fotográficas (720 armadilhas-noite). Registramos 17 espécies e outras três foram relatadas, incluindo três ameaçadas. Carnivora foi a ordem mais representativa (8 espécies), seguida de Rodentia (4 espécies). A riqueza encontrada representa 44,4% do total de espécies já registradas para a Caatinga, sendo considerado superior à de outros fragmentos e similar à de áreas protegidas maiores. O roedor Kerodon rupestris, espécie ameaçada de extinção, foi responsável por 66% dos registros, revelando a importância desse fragmento para sua conservação, frente as pressões antrópicas, necessitando de medidas de curto prazo para sua conservação. Sugerimos a criação de uma unidade de conservação no local e a realização de ações com foco na educação ambiental, além de práticas de manejo participativas e sustentáveis junto à comunidade.Palavras-chave: armadilha fotográfica; floresta tropical seca; fragmento; inventário de espécies MEDIUM AND LARGE MAMMALS IN A CAATINGA FRAGMENT IN THE STATE OF PIAUÍ, NORTHEAST BRAZIL:The Caatinga in the state of Piauí, Brazil, is being continuously degraded even before we know its biodiversity. Mammals are among the most affected taxa by this degradation. In this sense, we evaluated the richness and composition of non-volant mammals between August 2021 and July 2022 in a Caatinga fragment (2000 ha). We used active search (96 hours) and camera traps (720 night-traps). We recorded 17 species, including three threatened ones. Carnivora was the most representative order (8 species), followed by Rodentia (4 species). The richness found represents 44.4% of the total number of species recorded for the Caatinga, which is considered superior to other fragments and similar to larger protected areas. The threatened rodent Kerodon rupestris, an endangered species, was responsible for 66% of the records, revealing the importance of this fragment for its conservation in the face of anthropogenic pressures, requiring short-term measures. We suggest the creation of a protected area on this locality and the development of actions focused on environmental education, in addition to participatory and sustainable management practices within the community.

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Diversity of nonvolant mammals in a Caatinga area in northeastern Brazil

Cited by 6 publications

References 15 publications

Nonvolant Mammals in a Fragment of Arboreal Caatinga in Northeastern Brazil

Nonvolant Mammals in a Fragment of Arboreal Caatinga in Northeastern Brazil

Interspecific patterns of small cats in an intraguild-killer free area of the threatened Caatinga drylands, Brazil

Mamíferos De Médio E Grande Porte Em Um Fragmento De Caatinga No Estado Do Piauí, Nordeste Do Brasil

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