Temperature and exudativory as drivers of the marmoset (Callithrix spp.) daily activity period

Hilário, RR ORCID: https://orcid.org/0000-0002-0346-0921, Silvestre, SM ORCID: https://orcid.org/0000-0002-5683-443X, Abreu, F ORCID: https://orcid.org/0000-0001-5792-5811, Beltrão-Mendes, R ORCID: https://orcid.org/0000-0002-3631-5229, de Castro, CSS ORCID: https://orcid.org/0000-0002-1070-7187, Chagas, RRD, De la Fuente, MF ORCID: https://orcid.org/0000-0002-4137-2404, Duarte, MHL, Ferrari, SF ORCID: https://orcid.org/0000-0003-0566-0000, Passamani, M ORCID: https://orcid.org/0000-0002-0940-4074, Schiel, N ORCID: https://orcid.org/0000-0002-2454-0912, Souto, A ORCID: https://orcid.org/0000-0003-1692-1958, Young, RJ ORCID: https://orcid.org/0000-0002-8407-2348 and Souza-Alves, JP ORCID: https://orcid.org/0000-0002-8517-1276 2021, 'Temperature and exudativory as drivers of the marmoset (Callithrix spp.) daily activity period' , American Journal of Primatology, 84 (6) , e23341.

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Abstract

Primates are affected by fluctuations in ambient temperatures, mostly through thermoregulatory costs and changes in the availability of food. In the present study, we investigate whether the ambient temperature and proxies of food availability affect the activity period of marmosets (Callithrix spp.). We predicted that: (i) at colder sites, marmosets would spend more time at sleeping sites; (ii) midday resting bouts would be longer at hotter sites; (iii) the onset/cessation of activity and resting behavior at midday would be more closely related to temperature than food availability, and (iv) highly exudativorous groups would have higher total levels of resting. We compiled data on the onset and cessation of activity and the time spent resting at midday from seven marmoset studies from sites with a wide range of temperatures. We used generalized linear mixed models to verify the relationship between the dependent variables (lag between dawn and the onset of activities, lag between cessation of activities and dusk, and proportion of resting during midday) and the minimum and maximum temperatures at the respective study sites, together with proxies of food availability (exudativory rates, the amount of habitat available per individual, and net primary productivity) using each sample month as a sampling unit and the identity of the study as a categorical random factor. At colder sites and during colder months, the marmosets left sleeping trees later in the morning and ceased their activities earlier, while at hotter sites and during hotter months, they spent more time resting during midday. More exudativorous groups become active later in the morning, but also ceased their activities later. The abundance of food did not affect the timing of activities. We provide evidence that both low and high temperatures affect marmosets' activities, and that their activity period appears to be more influenced by the thermal environment than food availability. [Abstract copyright: © 2021 Wiley Periodicals LLC.]

Item Type: Article
Additional Information: ** From PubMed via Jisc Publications Router **Journal IDs: eissn 1098-2345 **Article IDs: pubmed: 34662461 **History: accepted 07-10-2021; revised 05-10-2021; submitted 06-02-2021
Schools: Schools > School of Environment and Life Sciences
Journal or Publication Title: American Journal of Primatology
Publisher: Wiley
ISSN: 0275-2565
Related URLs:
Funders: Primate Conservation, Mohammed bin Zayed Species Conservation Fund, Conselho Nacional de Desenvolvimento Científico e Tecnológico, Conselho Nacional de Desenvolvimento Científico e Tecnológico, Conselho Nacional de Desenvolvimento Científico e Tecnológico, Conselho Nacional de Desenvolvimento Científico e Tecnológico, Coordenação de Aperfeiçoamento de Pessoal de Nível Superior, Coordenação de Aperfeiçoamento de Pessoal de Nível Superior, Primate Action Fund, Fundação de Amparo à Ciência e Tecnologia do Estado de Pernambuco, Fundação de Amparo à Ciência e Tecnologia do Estado de Pernambuco
SWORD Depositor: Publications Router
Depositing User: Publications Router
Date Deposited: 19 Jan 2022 09:23
Last Modified: 12 Aug 2022 07:22
URI: http://usir.salford.ac.uk/id/eprint/62259

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