9 Works

A framework for mapping the distribution of seabirds by integrating tracking, demography and phenology

Ana P. B. Carneiro, Elizabeth J. Pearmain, Steffen Oppel, Thomas A. Clay, Richard A. Phillips, Anne-Sophie Bonnet-Lebrun, Ross M. Wanless, Edward Abraham, Yvan Richard, Joel Rice, Jonathan Handley, Tammy E. Davies, Ben J. Dilley, Peter G. Ryan, Cleo Small, Javier Arata, John P. Y. Arnould, Elizabeth Bell, Leandro Bugoni, Letizia Campioni, Paulo Catry, Jaimie Cleeland, Lorna Deppe, Graeme Elliott, Amanda Freeman … & Maria P. Dias
1. The identification of geographic areas where the densities of animals are highest across their annual cycles is a crucial step in conservation planning. In marine environments, however, it can be particularly difficult to map the distribution of species, and the methods used are usually biased towards adults, neglecting the distribution of other life-history stages even though they can represent a substantial proportion of the total population. 2. Here we develop a methodological framework for...

Data from: Spatiotemporal use predicts social partitioning of bottlenose dolphins with strong home range overlap

Rodrigo C. Genoves, Pedro F. Fruet, Juliana C. Di Tullio, Luciana M. Möller & Eduardo R. Secchi
Ranging behaviour and temporal patterns of individuals are known to be fundamental sources of variation in social networks. Spatiotemporal dynamics can both provide and inhibit opportunities for individuals to associate, and should therefore be considered in social analysis. This study investigated the social structure of a Lahille’s bottlenose dolphin (Tursiops truncatus gephyreus) population, which shows different spatiotemporal patterns of use and gregariousness between individuals. For this we constructed an initial social network using association indices...

Data from: Trophic niche similarities of sympatric Turdus thrushes determined by fecal contents, stable isotopes, and bipartite networks approaches

Camila Bosenbecker & Leandro Bugoni
An ecological niche has been defined as an n-dimensional hypervolume formed by conditions and resources that species need to survive, grow and reproduce. In practice, such niche dimensions are measurable and describe how species share resources, which has been thought to be a crucial mechanism for coexistence and a major driver of broad biodiversity patterns. Here, we investigate resource partitioning and trophic interactions of three sympatric, phylogenetically related and morphologically similar species of thrushes (Turdus...

Combined effects of climate change and the herbicide diuron on the coral Acropora millepora (NESP 2.1.6 and NESP TWQ 5.2, AIMS)

Flores Florita, Sven Uthicke, Frances Patel, Andrew Negri, Joseanne Marques & Kaserzon Sarit

Data from: The role of chromosomal rearrangements and geographical barriers in the divergence of lineages in a South American subterranean rodent (Rodentia: Ctenomyidae: Ctenomys minutus)

Carla M. Lopes, Simone S. F. Ximenes, Adriana Gava & Thales R. O. De Freitas
Identifying factors and the extent of their roles in the differentiation of populations is of great importance for understanding the evolutionary process in which a species is involved. Ctenomys minutus is a highly karyotype- polymorphic subterranean rodent, with diploid numbers ranging from 42 to 50 and autosomal arm numbers ranging from 68 to 80, comprising a total of 45 karyotypes described so far. This species inhabits the southern Brazilian coastal plain, which has a complex...

Data from: When Bergmann's rule fails: evidences of environmental selection pressures shaping phenotypic diversification in a widespread seabird

Guilherme Tavares Nunes, Patrícia Luciano Mancini & Leandro Bugoni
Organisms tend to exhibit phenotypes that can be shaped by climate, commonly demonstrating clinal variations along latitudinal gradients. In vertebrates, air temperature plays a major role in shaping body size in both ectothermic and endothermic animals. However, additional small-scale environmental factors can also act as selection pressures in the marine ecosystem (e.g. primary productivity), evidencing multi-scale processes acting on marine organisms. In this study, we tested Bergmann's rule in a widely distributed seabird, the brown...

Penser l’éducation environnementale à partir des discours sur l’environnement, la société et le numérique

Samuel Lopes Pinheiro
Ce travail est un essai réflexif sur l’éducation à l’environnement au regard des défis des sociétés technologiques. Nous explorons différents aspects de l’environnement, comme en sociologie, et exposons l’approche d’Henry Thoreau en littérature comme moyen de contextualiser l’évolution de ce concept tout au long du XXe siècle, notamment au regard de l’évolution technologique du début du XXIe siècle. Nous étudions alors le discours technologique, comme la question d’une possible convergence entre technologie et écologie, et...

On the ex situ Ophiomorpha and other burrow fragments from the Rio Grande do Sul Coastal Plain, Brazil: paleobiological and taphonomic remarks

Giovana Pedrol De Freitas
The Rio Grande do Sul Coastal Plain (southern Brazil) is composed of extended marine and continental deposits related to at least four barrier-lagoon systems of Pleistocene-Holocene age. Part of these deposits is currently submerged and passing through erosion processes by waves. Vertebrate and invertebrate body and trace fossils are constantly exhumed from these deposits and redeposited on the modern beach face. Among them, a total of 253 fragments of crustacean burrows were collected for this...

A blueprint for securing Brazil's marine biodiversity and supporting the achievement of global conservation goals

Rafael A. Magris, Micheli D. P. Costa, Carlos E. L. Ferreira, Ciro C. Vilar, Jean-Christophe Joyeux, Joel C. Creed, Margareth S. Copertino, Paulo Horta, Paulo Y. G. Sumida, Ronaldo Francini-Filho & Sergio R. Floeter
Aim: As a step towards providing support for an ecological approach to strengthening marine protected areas (MPAs) and meeting international commitments, this study combines cumulative impact assessment and conservation planning approach to undertake a large-scale spatial prioritisation. Location: Exclusive Economic Zone (EEZ) of Brazil, Southwest Atlantic Ocean Methods: We developed a prioritisation approach to protecting different habitat types, threatened species ranges, and ecological connectivity, while also mitigating the impacts of multiple threats on biodiversity. When...

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