Results 91 to 100 of about 48,777 (262)
Abstract Aim Land‐use change and overexploitation are major threats to biodiversity, and climate change will exert additional pressure in the 21st century. Although there are strong interactions between these threats, our understanding of the synergistic and compensatory effects on threatened species' range geography remains limited.
Ricardo Torres +23 more
wiley +1 more source
A 10,000 Mississippi Kite flock observed in Fuerte Esperanza, Argentina [PDF]
The Mississippi Kite (Ictinia mississippiensis) is a Neotropical migrant that nests singly or in loose, small colonies in North America from North Carolina and north Florida west to Kansas, southeastern Colorado, and Texas and north along Mississippi ...
Areta, Juan Ignacio, Seipke, Sergio H.
core +1 more source
ABSTRACT Aim We investigated the effects of habitat destruction and hunting on the functional decline of top predators, specifically jaguar and puma, in the Gran Chaco. Location The 1.1 million km2 South American Gran Chaco. Methods We used spatially explicit, individual‐based models for jaguars and pumas, incorporating detailed information on habitat ...
Alfredo Romero‐Muñoz +14 more
wiley +1 more source
Soja en el Gran Chaco Argentino en el siglo XXI
En estos tiempos, Argentina se posicionó mundialmente como uno de los principales exportadores de soja, y sus derivados. Fue adquiriendo un fuerte protagonismo en la economía del país favorecida por condiciones ecológicas, innovaciones técnicas y por la ...
María Valentina Serrano Infante
doaj
Unearthing the names of burrowing frogs: The taxonomic status of the Chacoan populations of Leptodactylus fuscus (Schneider, 1799) (Anura: Leptodactylidae) [PDF]
The widely distributed Neotropical frog Leptodactylus fuscus has long been suspected to represent a species complex. Among its numerous synonyms is Leptodactylus gualambensis Gallardo, 1964, described based on specimens from the western South American ...
Francisco Brusquetti +8 more
doaj +3 more sources
Predators do not spill over from forest fragments to maize fields in a landscape mosaic in central Argentina [PDF]
South America is undergoing a rapid and large scale conversion of natural habitats to cultivated land. Ecosystem services (ESs) still remain important but their level and sustainability are not known.
Ferrante, Marco +2 more
core +1 more source
EL IMPACTO DE LA DEFORESTACIÓN EN LAS PRECIPITACIONES DEL NORDESTE ARGENTINO
En el presente trabajo se examina la respuesta atmosférica a los cambios en los usos de suelo en la región del Gran Chaco producidos por la deforestación, con énfasis en el impacto de las precipitaciones y la comprensión de los mecanismos de los procesos
Patricia Blatter +2 more
doaj
This paper discusses the cultivation of “bitter” manioc (Manihot esculenta) by the ethnic groups of the Gran Chaco, the preparing for consumption, and also the grater used in the process.
Nicolás M. Kamienkowski, Pastor Arenas
doaj +1 more source
High levels of human infection with Trypanosoma cruzi associated with the domestic density of infected vectors and hosts in a rural area of northeastern Argentina [PDF]
Background: Insecticide spraying campaigns designed to suppress the principal vectors of the Chagas disease usually lack an active surveillance system that copes with house reinvasion.
Cardinal, Marta Victoria +5 more
core +2 more sources

