Results 11 to 20 of about 6,667 (146)

Processes that drive the population structuring of Jenynsia lineata (Cyprinidontiformes, Anablepidae) in the La Plata Basin. [PDF]

open access: yesEcol Evol, 2021
The processes of population diversification are complex and are not limited to a single mechanism. Population structuring may lead to population reproductive isolation and ultimately to speciation. Abstract The distribution of genetic diversity across a species distribution range is rarely homogeneous, as the genetic structure among populations is ...
Briñoccoli YF   +7 more
europepmc   +2 more sources

Body size and evolutionary rate analyses reveal complex evolutionary history of Alvarezsauria. [PDF]

open access: yesCladistics
Abstract Some of the smallest examples of dinosaurian body size are from alvarezsaurians, an enigmatic group of maniraptoran coelurosaurians with a peculiar combination of anatomical features unique among theropods. Despite the large number of alvarezsaurian species described worldwide and the increased understanding this has provided, the body‐size ...
Meso JG   +8 more
europepmc   +2 more sources

Equine allergic skin diseases: Clinical consensus guidelines of the World Association for Veterinary Dermatology

open access: yesVeterinary Dermatology, Volume 34, Issue 3, Page 175-208, June 2023., 2023
Abstract Background Allergic skin diseases are common in horses worldwide. The most common causes are insect bites and environmental allergens. Objectives To review the current literature and provide consensus on pathogenesis, diagnosis, treatment and prevention. Materials and Methods The authors reviewed the literature up to November 2022.
R. Marsella   +6 more
wiley   +1 more source

Modelling of the Simultaneous Saccharification and Fermentation for a Pine Sawdust Biorefinery

open access: yesFermentation, 2022
The decline in world oil reserves evidences the need to diversify the sources of equivalent raw materials. The use of biomass is one of the most explored alternatives.
Carolina Mónica Mendieta   +3 more
doaj   +1 more source

Bioplastics Are Revolutionizing the Packaging Industry

open access: yesBioResources, 2021
The production of bioplastics is a growing trend. The utilization of renewable sources, in some cases currently wasted, to replace petroleum derivatives, is providing opportunities to achieve more environmentally friendly product life cycles.
Nanci Ehman , María Cristina Area
doaj   +1 more source

Application of a Fenton process after a biological nitrification treatment: A successful case for leachate treatment

open access: yesCase Studies in Chemical and Environmental Engineering, 2022
Leachate is one of the most complex wastewater due to the variable composition depending on landfill age, time, climate, waste composition, etc. Usually, conventional treatments are not enough to satisfy the environmental regulations for discharge.
Hernán Darío Traid   +5 more
doaj   +1 more source

Xenodon histricus (Jan, 1863) (Squamata: Dipsadidae): distribution extension and new province record in Argentina [PDF]

open access: yesCheck List, 2015
Xenodon histricus is probably the least known species of its genus in South America. In Argentina it has not been collected since 1937, and most records were restricted to the northeastern forests of the country. We report finding this species in 1995 at
Julia D'Angelo   +2 more
doaj   +3 more sources

REBBACHISAURID SAUROPODS IN ASIA? A RE-EVALUATION OF THE PHYLOGENETIC POSITION OF DZHARATITANIS KINGI FROM THE LATE CRETACEOUS OF UZBEKISTAN

open access: yesPublicación Electrónica de la Asociación Paleontológica Argentina, 2021
An isolated vertebra from the Late Cretaceous of Uzbekistan (Asia), previously interpreted as a titanosaur anterior caudal, was recently assigned as the holotype and unique specimen of a new rebbachisaurid taxon, Dzharatitanis kingi.
Lucas Nicolás Lerzo   +2 more
doaj   +1 more source

Félix de Azara and the naturalist nature [PDF]

open access: yes, 2014
Para centrar la figura de Félix de Azara se destaca la condición de naturalista ilustrado del s. XVIII frente a la del científico. Como militar a las órdenes de la Corona española realizó una misión en la América meridional.
Almarcha Martínez, Francisco   +1 more
core   +2 more sources

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