Results 41 to 50 of about 881 (138)

A new dentition-based phylogeny of Litopterna (Mammalia: Placentalia) and “archaic” South American ungulates [PDF]

open access: yes
Ever since the discovery of Macrauchenia patachonica by Charles Darwin in 1834, the affinities of litopterns—a group of extinct South American Native Ungulates (SANUs)—have been elusive.
Williamson, Thomas E.   +5 more
core   +1 more source

A new "South American ungulate" (Mammalia: Litopterna) from the Eocene of the Antarctic Peninsula [PDF]

open access: yes, 2006
Notolophus arquinotiensis, a new genus and species of the family Sparnotheriodontidae (Mammalia, Litopterna), is represented by several isolated teeth fromt he shallow-marine sediments of ht e La Meseta Formation (late Early-Late Eocene) of seymour ...
Marenssi, Sergio Alfredo   +3 more
core   +1 more source

Stigma, self‐styling and ‘forced accents’ among English L2 speakers in Spain

open access: yesWorld Englishes, EarlyView.
Abstract This paper examines the relationship between shame, stigma and accent for non‐native English speakers in Spain. The low English competence of the Spanish population frequently constitutes a source of individual and collective stigma – which includes the apparent undesirability of Spanish‐sounding English.
Eva Codó, Carly Collins
wiley   +1 more source

Postcanine enamel microstructure of Eocene Sparnotheriodontidae (Mammalia: Litopterna) from Antarctica and southern South America compared to that of other South American Native Ungulates

open access: yesPalaeobiodiversity and Palaeoenvironments
Abstract This study examines the postcanine enamel microstructures in three Eocene Sparnotheriodontidae taxa ( Notiolofos arquinotiensis , Phoradiadius divortiensis , Sparnotheriodontidae indet.), comparing their schmelzmuster with ...
Daniela C. Kalthoff   +2 more
openaire   +2 more sources

Ecology of reintroduced Rocky Mountain bighorn sheep in Dinosaur National Monument La Ecología de Borrego Cimarron de las Montañas Rocosas Reintroducido en el Monumento Nacional de Dinosaurio

open access: yesWildlife Monographs, Volume 223, Issue 1, August 2026.
We synthesized GPS telemetry, genetic, and pathogen data to evaluate metapopulation processes in a reintroduced Rocky Mountain bighorn sheep (Ovis canadensis canadensis) population in Dinosaur National Monument. We estimated subpopulation‐specific abundances and found 4 small subpopulations with high genetic diversity, partial connectivity, and ...
Sarah L. Carroll   +8 more
wiley   +1 more source

UN NOTOUNGULATA DE LA FORMACIÓN VACA MAHUIDA (EOCENO), PROVINCIA DE LA PAMPA, ARGENTINA

open access: yesPublicación Electrónica de la Asociación Paleontológica Argentina, 2015
Sediments assigned to the Vaca Mahuida Formation outcrop at Sierra El Fresco area, southeast from Puelén, La Pampa Province. These sediments represent a depositional sequence in a depressed area, covered by a wide, fresh- to brackish- water lake. So far,
Claudia I. Montalvo, Mariano Bond
doaj  

Influence of Soil and Land‐Use/Land‐Cover Data Quality on SWAT Parameter Transferability in Small Subtropical Agricultural Watersheds

open access: yesHydrological Processes, Volume 40, Issue 6, June 2026.
Does input soil and land‐use quality affect SWAT parameter transfer in neighbouring watersheds? Our proxy‐basin experiment in two small agricultural watersheds under crop–livestock rotations showed that capturing LULC dynamics and refining soil characterization can substantially enhance parameter transferability to ungauged neighbouring watersheds ...
Elzon C. Rippel   +7 more
wiley   +1 more source

The alleged astragalar remains of Didolodus Ameghino, 1897 (Mammalia, Panameriungulata) and a critic of isolated bone association models [PDF]

open access: yes, 2012
Postcranial characters of South American native ungulates are important in order to analyze their relationships in the actual therian taxonomy, particularly to test their alleged afrotherian affinities.
Gelfo, Javier Nicolás, Lorente, Malena
core   +1 more source

Vegetation, Water Infiltration, and Soil Carbon Responses to Adaptive Multi‐Paddock and Conventional Grazing in Northern Great Plains, USA, Ranches

open access: yesJournal of Sustainable Agriculture and Environment, Volume 5, Issue 2, June 2026.
ABSTRACT Adaptive Multi‐Paddock (AMP) grazing involves alternating short‐duration, high‐intensity grazing with extended recovery periods. It offers the potential to regenerate degraded rangelands while enhancing productivity. We compared vegetation, soil carbon, and water infiltration responses between nine matched pairs of ranches in North and South ...
Steven I. Apfelbaum   +6 more
wiley   +1 more source

Effects of selective harvest on antler size of white‐tailed deer in Texas, USA

open access: yesWildlife Monographs, Volume 222, Issue 1, June 2026.
We conducted 20 years of experiments on the selective harvest of white‐tailed deer by antler size, judged inferior, in 2 areas of South Texas, USA. Selective harvest increased the phenotypic antler size of older males in one study area but not the other. There was little evidence of evolution resulting from selective harvesting. Abstract There has been
Don A. Draeger   +8 more
wiley   +1 more source

Home - About - Disclaimer - Privacy