Results 81 to 90 of about 814,992 (234)

Modelos de competencia metapoblacional para las políticas públicas habitacionales en ciudades intermedias turísticas. Una propuesta para San Carlos de Bariloche

open access: yesRevista INVI
Las ciudades turísticas presentan problemas en el acceso habitacional de las poblaciones residentes. Una de las causas es la competencia que se establece entre el uso de alquiler transitorio y el residencial permanente.
Facundo E. Malvicino   +2 more
doaj   +1 more source

Concreciones silicocarbonáticas en basaltos alterados en el área de Praguaniyeu (prov. de Río Negro). [PDF]

open access: yes, 1998
The alteration producís in vugs of the basaltic lavas in Praguaniyeu area (Prov. of Río Negro) were studied by means of polarizaron microscope, XRD, SEM and EDAX.
Maiza, Pedro, Marfil, Silvina Andrea
core  

Joint effects of elevated copper and temperature in juvenile Tambaqui exposed in black and white waters of the Amazon

open access: yesJournal of Fish Biology, EarlyView.
Abstract This study aimed to investigate how exposure to elevated water temperature and metal concentration jointly affect the physiology of Amazonian fish. Aboard a research vessel in the Amazon, we evaluated the effects of water temperature (river T°C at 31.5°C and a + 4°C increase to 35.5°C) and of 3‐h copper (Cu) exposure (up to 600 μg/L) in ...
Anne Crémazy   +6 more
wiley   +1 more source

Amazonian drought of 2023: Environmental conditions relevant to fishes

open access: yesJournal of Fish Biology, EarlyView.
Abstract This paper provides a platform for the following studies within this Special Issue. ‘Ecophysiology of fishes in the two great tributaries of the Amazon in the Anthropocene’. It documents the water quality conditions and accompanying zooplankton community structure and biomass relative to fish health in the Rio Negro and Rio Solimões during the
Ora E. Johannsson   +10 more
wiley   +1 more source

Cuantificación e (in)suficiencia argumentativa: Construcciones con "para" de contraexpectativa

open access: yesCírculo de Lingüística Aplicada a la Comunicación, 2013
Como señala Kovacci (1997), el período con si condicional resulta un esquema sintáctico adecuado para destacar el paralelismo entre prótasis y apódosis, ya sea como correspondencia comparativa, ya sea como relación de contraposición que permita ...
Ana María Marcovecchio   +1 more
doaj   +1 more source

Conservation and tourism background in protected natural areas of Río Negro (Argentina) province [PDF]

open access: yes, 2018
El objetivo fue identificar los cambios en el tiempo del concepto de conservación y el rol del turismo en áreas naturales protegidas (ANPs), bajo jurisdicción yadministración de la provincia de Río Negro. Como resultado se diferenciaroncinco sub-períodos.
Vejsbjerg, Laila
core   +1 more source

Asynchronous glacier dynamics during the Antarctic Cold Reversal in central Patagonia [PDF]

open access: yes, 2018
We present 14 new 10Be cosmogenic nuclide exposure ages quantifying asynchronous readvances during the Antarctic Cold Reversal from glaciers in the Baker Valley region of central Patagonia.
Davies, B.J.   +3 more
core   +1 more source

Exploring the Manufacture of Bifacial Stone Tools from the Middle Rio Negro Basin, Uruguay: An Experimental Approach

open access: yes, 2017
The Río Negro is the most important inner fluvial course of the Uruguay Republic. Along its basin, the archaeological record is characterized by flaked stone tools of remarkable workmanship.
H. Nami
semanticscholar   +1 more source

Pejerrey (Odontesthes bonariensis) Under Siege: Main Infectious Diseases and Their Role in Aquaculture and Wild Populations Amidst Environmental Change

open access: yesJournal of Fish Diseases, Volume 48, Issue 4, April 2025.
ABSTRACT The pejerrey (Odontesthes bonariensis) is a key species for recreational and commercial fisheries in Argentina and holds significant aquaculture potential. It has been introduced to various countries worldwide, including Japan, where intensive aquaculture has developed.
Aarón Torres‐Martínez   +4 more
wiley   +1 more source

El Problema de los Inmuebles Urbanos Ociosos. Fundamentos de una propuesta de regulación para los municipios argentinos

open access: yesTeuken Bidikay, Revista Latinoamericana de Investigación en Organizaciones Ambiente y Sociedad, 2013
La existencia de inmuebles improductivos en cuanto a su potencialidad de uso es un problema central en las ciudades latinoamericanas, porque limitan la consolidación y densificación de la trama urbana, generando costos sociales.
Jorge César Paolinelli   +2 more
doaj  

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