Maria Luz Arellano

Maria Luz Arellano
Universidad Nacional de La Plata | UNLP · Facultad de Ciencias Naturales y Museo

Dr. en Ciencias Naturales

About

22
Publications
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Citations
Introduction

Publications

Publications (22)
Article
In March 2017 and March 2018, we reintroduced 196 and 50 individuals Valcheta frogs Pleurodema somuncurense, respectively (tadpoles and juveniles). The individuals were translocated from an ex situ colony to a restored habitat at the hot springs of the Valcheta stream (Rio Negro, Argentina). The aim was to re-establish a local population of this sp...
Article
Amphibian populations are declining globally. In this scenario, detailed information on their ecology is crucial to determine the status and extinction risk of their populations and, therefore, better plan conservation activities. The Valcheta frog Pleurodema somuncurense is a Critically Endangered species, which is endemic to the Valcheta Stream,...
Poster
Full-text available
La rana manchada de Somuncurá (Atelognathus reverberii) habita las lagunas de altura de la Meseta de Somuncurá. Se trata de una especie con una distribución muy reducida y aislada, que se encuentra actualmente categorizada como vulnerable según la última categorización argentina de herpetofauna y la IUCN. Entre las principales amenazas a la viabili...
Article
Full-text available
Placement of fencing around a stream to prevent livestock damage and water flow restoration via removal of a dam allowed riparian and aquatic vegetation recovery (76%) in less than one month. This subsequently allowed the reintroduction of a Critically Endangered frog as well as protection of an Endangered fish species.
Article
The chytrid fungus Batrachochytrium dendrobatidis (Bd) is one of the most important contributors for the decline of amphibian populations worldwide. Evidence indicates that the harmfulness of Bd infection depends on the species and life stage, the fungus strain, the season and environmental factors. In the present paper, we experimentally investiga...
Article
First Report of Batrachochytrium dendrobatidis in Atelognathus reverberii, a Threatened Species in Argentina
Article
Full-text available
Relative abundance of burrowing parrots ( Cyanoliseus patagonus patagonus ) in the province of Buenos Aires and nearby areas of La Pampa and Río Negro (Argentina) The Burrowing Parrot ( Cyanoliseus patagonus ) is a widely distributed species in southern South America, showing a variable distribution along its range. The sub-species C. p. patagonus...
Article
Full-text available
The Burrowing Parrot (Cyanoliseus patagonus) is a widely distributed species in southern South America, with a variable abundance along its range. Due to its official designation as crop pest (without any objective studies that corroborated the truth of this legal status), this species has been heavily persecuted and captured for the pet trade. Cur...
Article
Full-text available
Within the last two decades Batrachochytrium dendrobatidis (B.d.), the causative agent of chytridiomycosis, seems to have become a pandemic parasite, and is proposed as one of the more important causes of amphibian declines worldwide. In Argentina, the first report was in 2002 in Leptodactylus ocellatus. Since then, the fungus has expanded through...
Article
Full-text available
Infection by the chytrid fungus Batrachochytrium dendrobatidis was detected in a dead adult of the yellow belly frog (Elachistocleis bicolor) in Misiones province, Argentina. The analysis of the skin through standard histological procedures revealed the presence of chytrid sporangia in different stages. This is the first report of B. dendrobatidis...
Article
A study of soil samples was carried out at five contiguous habitats of different vegetation types from the Reserva Natural Selva Marginal Punta Lara (Buenos Aires, Argentina): coast, dry forest, floodplain marsh, grassland and marginal forest. Soil samples were processed with a baiting technique, thus producing an inventory of twenty four saprophyt...
Article
The Chytridiomycota (chytrids) of Argentina are not well known from freshwater and terrestrial ecosystems. We collected samples of water and floating organic matter (vegetable debris) from a lotic environment and wet soil from four terrestrial habitats at the Reserva Natural Selva Marginal Punta Lara (Bs. As.) and added cellulosic, chitinic and ker...
Article
Four species of Saprolegniales were isolated from three aquatic environments of Buenos Aires Province, Argentina. Scoliolegnia asterophora, Aphanomyces laevis, A. stellatus and A. parasiticus are reported for the first time for Argentina. Three of them were found as saprotrophs on floating organic matter (vegetative remains) and water samples, and...
Article
Full-text available
Cuatro especies de Saprolegniales fueron encontradas en ambientes acuáticos de los partidos de La Plata y Ensenada (charcas semipermanentes, arroyo Las Cañas y zanjón Los Helechos), provincia de Buenos Aires, Argentina. Scoliolegnia asterophora, Aphanomyces laevis, A. stellatus y A. parasiticus, son citadas por primera vez para la Argentina. Tres d...
Article
The genus Nowakowskiella comprises aquatic and terrestrial organisms, which occur as saprotrophs on decomposed vegetable debris mainly. This genus is recorded for the first time in Argentina and in this contribution four species are described, analyzing their frequency and abundance in the studied environments and providing an identification key ba...

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