Results 21 to 30 of about 362,357 (213)

Contrasting stress fields on correlating margins of the South Atlantic [PDF]

open access: yes, 2015
The “passiveness” of passive continental margins across the globe is currently under debate since several studies have shown that these margins may experience a variety of stress states and undergo significant vertical movement post-breakup.
Glasmacher, Ulrich Anton   +4 more
core   +1 more source

Taxonomy of Triportheus (Ostariophysi: Triportheidae) from the Paraná-Paraguai basin, South America [PDF]

open access: yesNeotropical Ichthyology
A taxonomic review of Triportheus from the Paraná-Paraguai basin was conducted, with four valid species recognized: two natives, one introduced in the upper rio Paraná basin, and one new species described herein.
Douglas Alves Lopes   +1 more
doaj   +1 more source

Check list of ground-dwelling ant diversity (Hymenoptera: Formicidae) of the Iguazú National Park with a comparison at regional scale [PDF]

open access: yes, 2015
We describe the ant fauna of Iguazú National Park (INP), a region of high biodiversity andendemism in northeastern Argentina that includes the southernmost protected area ofthe Atlantic Forest (AF).
Achury, R.   +6 more
core   +2 more sources

Prospecção do molusco invasor Limnoperna fortunei (Dunker, 1857) nos principais corpos hídricos do estado do Paraná, Brasil

open access: yesPapéis Avulsos de Zoologia, 2010
Foram realizadas coletas nos principais corpos hídricos do Paraná objetivando a prospecção de larvas do mexilhão dourado, Limnoperna fortunei (Dunker, 1857).
Debora Pestana   +3 more
doaj   +1 more source

Assessment of broiler chicken welfare in Southern Brazil [PDF]

open access: yes, 2016
Scientific literature on broiler chicken welfare in Brazilian industrial systems is scarce. This study aimed at assessing broiler chicken welfare on industrial farms in the State of Rio Grande do Sul, Southern Brazil, using the Welfare Quality (R ...
Federici, JF   +5 more
core   +3 more sources

Nova espécie de Scolecura (Araneae, Linyphiidae) do sul do Brasil New species of Scolecura (Araneae, Linyphiidae) from Southern Brazil

open access: yesIheringia: Série Zoologia, 2005
Scolecura cambara sp. nov. dos Estados do Rio Grande do Sul, Santa Catarina e Paraná é descrita e ilustrada.Scolecura cambara sp. nov. from states of Rio Grande do Sul, Santa Catarina and Paraná is described and illustrated.
Everton Nei Lopes Rodrigues
doaj   +1 more source

Hyphessobrycon nicolasi (Teleostei: Characidae) a new species from the Uruguay River basin in the Mesopotamian Region, Argentina [PDF]

open access: yes, 2010
Hyphessobrycon nicolasi is described from the Uruguay River basin in the Mesopotamian Region, Entre Ríos, Argentina. The new species can be distinguished from all congeners by the presence of a well-defined oblique and marginal black stripe on each lobe ...
Lopez, Hugo Luis   +1 more
core   +3 more sources

Large Igneous Province Record Through Time and Implications for Secular Environmental Changes and Geological Time‐Scale Boundaries

open access: yesGeophysical Monograph Series, Page 1-26., 2021

Exploring the links between Large Igneous Provinces and dramatic environmental impact

An emerging consensus suggests that Large Igneous Provinces (LIPs) and Silicic LIPs (SLIPs) are a significant driver of dramatic global environmental and biological changes, including mass extinctions.
Richard E. Ernst   +8 more
wiley  

+2 more sources

Systematics and biogeography of the genus Phalloceros Eigenmann, 1907 (Cyprinodontiformes: Poeciliidae: Poeciliinae), with the description of twenty-one new species

open access: yesNeotropical Ichthyology
The genus Phalloceros is revised. Phalloceros caudimaculatus (Hensel, 1868) and twenty-one new species are recognized in Phalloceros. The species and their distributions are: P. alessandrae, small coastal drainages of the Paraná State; P.
Paulo Henrique Franco Lucinda
doaj   +1 more source

Novel parvoviruses from wild and domestic animals in Brazil provide new insights into parvovirus distribution and diversity [PDF]

open access: yes, 2018
Parvoviruses (family Parvoviridae) are small, single-stranded DNA viruses. Many parvoviral pathogens of medical, veterinary and ecological importance have been identified.
de Araujo, Jansen   +16 more
core   +3 more sources

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