Viviana B Rojas Bonzi

University of Florida | UF · Department of Wildlife Ecology and Conservation

Introduction: Integrating genetic data into conservation management decisions is a challenging task that requires strong partnerships between researchers and managers. Conservation in Latin America is of crucial relevance worldwide given the high biodiversity levels and the presence of hotspots in this region. Methods: We conducted a survey across...

Habitat loss and human-caused mortality have led to an approximate 50% reduction of the distribution of the jaguar (Panthera onca). The large contraction in the jaguar’s occurrence points to a need to understand its population size and habitat preferences to apply to the species’ conservation. Typically, jaguar densities are estimated with capture–...

An exciting research frontier is the intersection of wildlife ecology and social science. Associated research is embracing a spatial approach to integrating ecological and social data to investigate the complex relationships between wildlife and humans across landscapes. However, there is a lack of coherence on the status, current methodology, and...

The distribution of the jaguar has decreased by approximately 50% with its conservation highly dependent upon its persistence and mobility in anthropogenic landscapes. Consequently, understanding the effects of land use on jaguar populations and their connectivity is a necessary precursor for effective conservation of the species. We simultaneously...

Biological invasion is one of the main threats to native biodiversity. For a species to become invasive, it must be voluntarily or involuntarily introduced by humans into a nonnative habitat. Mammals were among first taxa to be introduced worldwide for game, meat, and labor, yet the number of species introduced in the Neotropics remains unknown. In...

Mammalian carnivores are considered a key group in maintaining ecological health and can indicate potential ecological integrity in landscapes where they occur. Carnivores also hold high conservation value and their habitat requirements can guide management and conservation plans. The order Carnivora has 84 species from 8 families in the Neotropica...

Native Ilex paraguariensis (yerba mate) is one of the most widespread crops in the Atlantic Forest region of southern South America and has an important economic and cultural value in Paraguay, Argentina, Brazil and Uruguay. Despite the known potential of shade‐grown products (especially cocoa and coffee) to protect biodiversity, the benefits of sh...

We present an assessment of the Southern Paraguayan Grasslands using Important Bird Areas (IBAs) located in a grassland landscape mosaic. Eleven IBAs in southern Paraguay were evaluated 10 years after their designation, using the BirdLife International method to assess the state, pressure, and response of these areas, during 2017 and 2018. Overall,...

RESUMEN En este trabajo presentamos una lista actualizada de los mamíferos de la Reserva Pantanal Paraguayo (RPP), situada en el Complejo de Reservas Pantanal Paraguayo, Estación Tres Gi-gantes (TG), además de los registros de mamífe-ros grandes y medianos resultado de un año de monitoreo con cámaras trampa durante el 2018. Con un esfuerzo de muest...

The evaluation of the conservation status is a planning tool that allows to take actions for the preservation of these. Paraguay suffers an accelerated loss of habitats, due to the high rate of deforestation due to the land-use change, for which this tool plays a fundamental role in the conservation of biodiversity. Law 96 of 1992, contemplates the...

Xenarthrans—anteaters, sloths, and armadillos—have essential functions for ecosystem maintenance, such as insect control and nutrient cycling, playing key roles as ecosystem engineers. Because of habitat loss and fragmentation, hunting pressure, and conflicts with domestic dogs, these species have been threatened locally, regionally, or even across...

Determining the scale of genetic variation informs studies of dispersal, connectivity, and population dynamics particularly in heterogeneous landscapes. Mastomys natalensis and Mus minutoides are generalist rodents that utilize multiple habitat types within the agro-ecological landscapes of southern African savannas. To study the comparative spatia...

Xenarthrans—anteaters, sloths, and armadillos—have essential functions for ecosystem maintenance, such as insect control and nutrient cycling, playing key roles as ecosystem engineers. Because of habitat loss and fragmentation, hunting pressure, and conflicts with domestic dogs, these species have been threatened locally, regionally, or even across...

El rol de las áreas silvestres protegidas es re-conocido a nivel mundial en términos de conservación in-situ. A nivel nacional, el 6,1% de territorio nacional está representado por Áreas Silvestres Protegidas públicas y privadas. La Asociación Guyra Paraguay posee 36.134 ha destinadas a conservación a perpetuidad, lo que permite conservar no solo e...

The Southern Cone of South America is currently facing a complex environmental crisis which compromises the biodiversity held in its unique ecosystems. In a reality of complex environmental problems, juxtaposed with dynamic political and social scenarios, decision making that involves solid scientific evidence to undertake concrete conservation act...

Este libro contiene información sobre la categorización de especies de mamíferos del Paraguay. Introduce a los antecedentes de este tipo de categorización de especies silvestres de nuestro país y explica la metodología utilizada para la misma (UICN versión 3.1). Se describe para las especies amenazadas su situación actual, las amenazas que enfrenta...

República del Paraguay. Departamento de Itapúa. Distrito San Cosme y Damián. Remanente de la Isla Yacyreta, margen derecha, 27º 22' 39,76" S y 56º 14' 42,19" O. (Fig. 1). El sitio de colecta está conformado por un mosaico de esteros, pastizales en suelos saturados o inundados, vegetación hidromórfica permanente y bosques en islas (Cubas et al., 200...