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A Qualitative Assessment of Guinea-Bissau’s Hunting History and Culture - and T...

Silva, Maria J. Ferreira da; Minhós, Tania; Sá, Rui; Casanova, Catarina; Bruford, Michael W.

Illegal hunting and trade threaten the high biodiversity of Guinea-Bissau (GB) in West Africa, particularly for nonhuman primates (NHP). Primate carcasses are sold at bushmeat markets and at restaurants and the primate pet trade is active. Traditional medicine practitioners also use NHP body-parts further promoting the commerce of NHP skins. A better understanding of hunting and related trade activities, includ...


Cultural differences in vocal emotion recognition: a behavioural and skin condu...

Cosme, Gonçalo; Tavares, Vânia; Nobre, Guilherme; Lima, César; Sá, Rui; Rosa, Pedro; Prata, Diana

Cross-cultural studies of emotion recognition in nonverbal vocalizations not only support the universality hypothesis for its innate features, but also an in-group advantage for culture-dependent features. Nevertheless, in such studies, diferences in socio-economic-educational status have not always been accounted for, with idiomatic translation of emotional concepts being a limitation, and the underlying psych...


Cultural differences in vocal emotion recognition : a behavioural and skin cond...

Cosme, Gonçalo; Tavares, Vânia; Nobre, Guilherme; Lima, César; Sá, Rui; Rosa, Pedro; Prata, Diana

Cross-cultural studies of emotion recognition in nonverbal vocalizations not only support the universality hypothesis for its innate features, but also an in-group advantage for culture-dependent features. Nevertheless, in such studies, differences in socio-economic-educational status have not always been accounted for, with idiomatic translation of emotional concepts being a limitation, and the underlying psyc...


Disrupted dispersal and its genetic consequences: Comparing protected and threa...

Silva, Maria Joana Ferreira da; Kopp, Gisela H.; Casanova, Catarina; Godinho, Raquel; Minhós, Tânia; Sá, Rui; Zinner, Dietmar; Bruford, Michael W.

Dispersal is a demographic process that can potentially counterbalance the negative impacts of anthropogenic habitat fragmentation. However, mechanisms of dispersal may become modified in populations living in human-dominated habitats. Here, we investigated dispersal in Guinea baboons (Papio papio) in areas with contrasting levels of anthropogenic fragmentation, as a case study. Using molecular data, we compare...


Disrupted dispersal and its genetic consequences: Comparing protected and threa...

Ferreira da Silva, Maria Joana; Kopp, Gisela H.; Casanova, Catarina; Godinho, Raquel; Minhós, Tânia; Sá, Rui; Zinner, Dietmar; Bruford, Michael W.

Dispersal is a demographic process that can potentially counterbalance the negative impacts of anthropogenic habitat fragmentation. However, mechanisms of dispersal may become modified in populations living in human-dominated habitats. Here, we investigated dispersal in Guinea baboons (Papio papio) in areas with contrasting levels of anthropogenic fragmentation, as a case study. Using molecular data, we compare...


Gastrointestinal symbionts of chimpanzees in Cantanhez National Park, Guinea-Bi...

Sá, Rui

One of the major factors threatening chimpanzees (Pan troglodytes verus) in Guinea-Bissau is habitat fragmentation. Such fragmentation may cause changes in symbiont dynamics resulting in increased susceptibility to infection, changes in host specificity and virulence. We monitored gastrointestinal symbiotic fauna of three chimpanzee subpopulations living within Cantanhez National Park (CNP) in Guinea Bissau in ...



Distribution of the entodiniomorphid ciliate Troglocorys cava Tokiwa, Modrý, It...

Sá, Rui

Trophozoites of Troglocorys cava were detected in all but one of the wild chimpanzee populations from Rubondo Island (Tanzania), with a prevalence ranging between 20% and 78%. However, the ciliate was absent in all captive groups. Prevalence appeared to increase with the number of sequential samples taken from a particular individual and reached 95.5% in wild individuals sampled at least 4 times.



Quality-of-service in wireless sensor networks: state-of-the-art and future dir...

Alves, Mário; Baccour, Nouha; Koubâa, Anis; Severino, Ricardo; Dini, Gianluca; Pereira, Nuno; Sá, Rui; Savino, Ida; Sousa, Paulo Gandra de

Wireless sensor networks (WSNs) are one of today’s most prominent instantiations of the ubiquituous computing paradigm. In order to achieve high levels of integration, WSNs need to be conceived considering requirements beyond the mere system’s functionality. While Quality-of-Service (QoS) is traditionally associated with bit/data rate, network throughput, message delay and bit/packet error rate, we believe that...


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