Lepidobatrachus asper Budgett, 1899 [Foto: Diego Baldo].

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ESTADO DE CONSERVACIÓN Y LISTA ROJA DE LOS ANFIBIOS DEL PARAGUAY

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Sep 2019

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...

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... estancia Juan de Salazar en el año 1986, y debido a una disminución observada en la calidad del hábitat, ya que la región chaqueña experimenta un acelerado proceso de cambio de uso de suelo. categorizan a la especie como LC (Preocupación Menor) sin embargo, los criterios utilizados aquí posicionan a la especie en una categoría de mayor amenaza. (Fig. 9) DISTRIBUCIÓN GENERAL: En Paraguay, es conocida para los departamentos de Central, Presidente Hayes y Alto Paraguay. En Argentina se encuentra en las provincias de Córdoba, Corrientes, Formosa, Santa Fe y Santiago del Estero (Lavilla y Cei, 2001). En Brasil, el único registro es para Puerto Murtinho, Estado de Mato Grosso do Sul (Sugai ...

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Un nuevo registro geográfico de Crossodactylus schmidti Gallardo, 1961 (Anura: Hylodidae) en Paraguay

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Jul 2022

La rana Crossodactylus schmidti Gallardo, 1961 [Anura: Hylodidae], previamente registrada en Paraguay apenas de una localidad (hotel El Tirol, municipio de Capitán Miranda, departamento de Itapúa), es reportada ahora de una segunda localidad (comunidad indígena Koe Pyahu, municipio de Ñacunday, departamento de Alto Paraná), situada a 170 km de la primera y vecina a un parque nacional.

New record of Leptodactylus syphax in Paraguay and its geographic distribution map

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May 2022

Leptodactylus syphax es una rana que se encuentra presente en Brasil, en Bolivia y en Paraguay, donde ha sido citada en sólo dos localidades: Tobati, Departamento Cordillera y el Departamento Concepción. Se reporta aquí una nueva localidad, la Reserva Natural del Bosque Mbaracayú (RNBM), Departamento Canindeyú, ampliando su distribución al oeste de la ecorregión Bosque Atlántico del Alto Paraná. Una hembra adulta y tres larvas fueron colectadas en un arroyo arenoso con su cauce cubierto por un bosque húmedo ripario de dos estratos bien diferenciados, localizado en una formación de transición ecorregional. A pesar de estar clasificada globalmente como especie no amenazada (Preocupación Menor) según la UICN, en Paraguay se encuentra como vulnerable (VUD2). La RNBM ha sido citada como el último gran remanente de bosque denso húmedo subtropical en Sudamérica y como la unidad de conservación con mejor manejo en el país; por lo tanto, esta novedad ofrece una excelente oportunidad para la propuesta de planes de conservación de la especie.

ANFIBIOS DE LA RESERVA NATURAL TAPYTÁ

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Sep 2021

This material is a product of project PINV 15-320: "Aquatic communities associated with native forests and forest plantations of Eucalyptus spp. (Eucalyptus)", executed by the Moisés Bertoni Foundation (FMB) and co-financed by National Council of Science and Technology (CONACYT) with FEEI resources.

Long-Standing Misidentification of Rhinella icterica (Spix, 1824) Specimens From Paraguay

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Mar 2023

In this work, we reanalyzed specimens from Paraguay assigned to the species Rhinella icterica from the departments of Canindeyú and Amambay located in the Cerrado ecoregion. Based on the evaluation of external morphological characters, we conclude that they should be assigned to the species Rhinella cerradensis. On the other hand, we consider that there is no evidence that R. icterica is present in the country.

Islands of Forests Among Savannas: Key Elements for Conservation and Production in the Paraguayan Humid Chaco

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Jan 2022

This chapter provides information on islands of forests immersed in flood-prone savannah-dominated landscapes for biodiversity conservation and productive activities. Our study area in the Paraguayan Chaco is in a region dedicated to low intensity cattle rearing, with native grasslands as forage within a mosaic of natural plant formations. The region is highly diverse due to the variety of plant formations and the great amount of wild fauna. We present results of research projects conducted by the American Chaco Research Center, a Paraguayan research initiative. These results suggest that extensive or semi-extensive ecosystem-based livestock production could be an opportunity to maintain ecosystem services, including biodiversity, in the region via a production system that is highly compatible with the conservation of forest species. Adverse environmental conditions for production (such as floods from rain and periodic floods of the Paraguay River) underscore the importance of maintaining the regulating functions of natural ecosystems, which leads to an opportunity for the conservation of threatened biodiversity. The mosaic of forest islands, flood-prone palm savannas, and wetlands is fundamental for water quality and hydrological regulation as it reduces the intensity of the effects of flooding on neighboring areas, as well as for carbon sequestration. Inclusion of live fencing and the maintenance of continuous areas of intact or lightly disturbed vegetation can increase habitat connectivity, provide a barrier to manage fires, and serve as a refuge for animals when fires occur. These native ecosystems are at high risk of disappearing due to the intensification of agriculture and livestock production, as well as the expansion of urban areas, so strategies for their conservation, including tailor-made incentives are needed.

Lepidobatrachus asper Budgett, 1899 [Foto: Diego Baldo].

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