Results 91 to 100 of about 8,883 (188)

The subspecific characters and distribution of the New World Skimmers - Rynchops nigra The subspecific characters and distribution of the New World Skimmers - Rynchops nigra

open access: yesCaldasia, 1944
The distribution of the forms of the New World rayador, or skimmer, Rynchops nigra, and the characters that mark the geographic races, have been matters of interest to me for a number of years, an interest heightened by recent discussions in current ...
Wetmore Alexander
doaj  

New age of the base of the Chubut Group at the Cerro Solo uranium reservoir, Chubut Province [PDF]

open access: yes, 2013
En este trabajo se analizan las características litológicas de la roca hospedante de la mineralización de uranio del yacimiento Cerro Solo, que corresponde al miembro inferior de la Formación Los Adobes, unidad basal del Grupo Chubut en su sector norte ...
Llorens, Magdalena, Marveggio, Nilda
core   +1 more source

Checklist of lizards and amphisbaenians of Argentina: an update [PDF]

open access: yes, 2013
We update the list of lizards of Argentina, reporting a total of 261 species from the country, arranged in 27 genera and 10 families. Introduced species and dubious or erroneous records are discussed.
Avila, Luciano Javier   +2 more
core   +2 more sources

Pulgas (Insecta: Siphonaptera) asociadas al marsupial neotropical amenazado “monito del monte” (Dromiciops gliroides Microbiotheria: Microbiotheriidae), en su población más austral de la Argentina [PDF]

open access: yes, 2018
Dromiciops, nocturnal marsupial genus endemic to the temperate forests of southern South America, is the only living representative of the Order Microbiotheria. Here we study the Siphonapteran fauna of Dromiciops gliroides ?monito del monte?
Gurovich, Yamila   +1 more
core  

Inequality on the frontline: A multi-country study on gender differences in mental health among healthcare workers during the COVID-19 pandemic

open access: yesCambridge Prisms: Global Mental Health
Healthcare workers (HCWs) were at increased risk for mental health problems during the COVID-19 pandemic, with prior data suggesting women may be particularly vulnerable.
Diana Czepiel   +51 more
doaj   +1 more source

Serological Survey of Antibodies to Mannheimia haemolytica and Pasteurella multocida in Camelids from Argentina [PDF]

open access: yes, 2017
South American camelids are a source of livestock wealth in Andean countries. In Argentina,there is little information about camelid pathogens, and most of the literature data available areseroprevalence works against virus.
Calcagno, M. L.   +6 more
core  

An innovation of two established methods for monitoring water colour and clarity: participatory science using the mini- and midi- secchi disks

open access: yesFrontiers in Environmental Science
Measurements of water colour and clarity are used to track the environmental status of lakes, estuaries and oceans. The oldest standardised methods for measuring water clarity and colour are the Secchi disk and Forel-Ule colour scale.
Robert J. W. Brewin   +47 more
doaj   +1 more source

Feeding Behavior of Spurilla sp. (Mollusca: Opisthobranchia) with a Description of the Kleptocnidae Sequestered from Its Sea Anemone Prey [PDF]

open access: yes, 2013
Feeding behavior of Spurilla sp. (Mollusca: Opisthobranchia) with a description of the kleptocnidae sequestered from its sea anemone prey. Zoological Studies 51(7): 905-912.
Acuña, Fabian Horacio   +3 more
core  

UNA NUEVA "COMADREJA" (MAMMALIA, MARSUPIALIA, ?POLYDOLOPIMORPHIA) DEL PALEOCENO DE PATAGONIA, ARGENTINA

open access: yesPublicación Electrónica de la Asociación Paleontológica Argentina, 2015
Upper and lower molars belonging to Palangania brandmayri n. gen. et sp., a new ?polydolopimorphian marsupial of late Paleocene (Riochican) age are described.
Francisco J. Goin   +4 more
doaj  

Geologists of Russian origin in Latin America [PDF]

open access: yes, 2018
Se describe la vida y trayectoria de geólogos que más allá de su nacionalidad (rusa, ucraniana, tártara, alemana, etc.), nacieron en territorios que pertenecieron al Imperio Ruso, la Unión Soviética o la Federación Rusa, y de sus descendientes graduados ...
Alonso, Ricardo   +7 more
core   +1 more source

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