Results 51 to 60 of about 7,710,657 (241)
Monoaromatic compounds in ambient air of various cities: A focus on correlations between the xylenes and ethylbenzene [PDF]
, 2001 Speciation of o-xylene, m-xylene, p-xylene and ethylbenzene was performed by gas chromatography from ambient air and liquid fuel samples collected at various locations in 19 cities in Europe, Asia and South America.
Avino, P +5 more
core +1 more source
An examination of species limits in the Aulacorhynchus “prasinus” toucanet complex (Aves: Ramphastidae) [PDF]
PeerJ, 2016 The number of species recognized in Aulacorhynchus toucanets has varied tremendously over the past century. Revisors seem to disagree on whether head and bill coloration are useful indicators of species limits, especially in the A.
Kevin Winker
doaj +2 more sources
Future large hydropower dams impact global freshwater megafauna [PDF]
, 2019 Dam construction comes with severe social, economic and ecological impacts. From an ecological point of view, habitat types are altered and biodiversity is lost.
Berlekamp, Juergen +5 more
core +1 more source
Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin, 2016 During a Brazilian multicentric antimicrobial resistance surveillance study, colistin resistance was investigated in 4,620 Enterobacteriaceae isolated from human, animal, food and environmental samples collected from 2000 to 2016.
M. R. Fernandes +18 more
semanticscholar +1 more source
Swiss Journal of Palaeontology, 2020 We describe a well-preserved South American Lamini partial skeleton (PIMUZ A/V 4165) from the Ensenadan (~ 1.95–1.77 to 0.4 Mya) of Argentina. The specimen is comprised of a nearly complete skull and mandible with full tooth rows, multiple elements of ...
Sinéad Lynch +2 more
doaj +1 more source
The origin and distribution of neotropical species of Campylopus [PDF]
, 1990 Of the 65 species of Campylopus known from tropical America, 33 are andine in distribution, 16 are found only in SE Brazil, 8 have wide ranges through Central and South America, 3 species are disjunct in SE-North America and Brazil, 3 are confined to the
Frahm, Jan-Peter
core
The palaeobiogeography of South American gomphotheres
Journal of Palaeogeography, 2013 Gomphotheriid proboscideans reached South America as Late Cenozoic immigrants from North America. However, disagreements over alpha taxonomy, age dating and phylogenetic relationships have produced three competing hypotheses about this immigration: (1) a
Spencer G. Lucas
doaj +1 more source
Revista Chilena de Entomología, 2021 New records of the mud-dauber wasp Sceliphron caementarium for Peru are reported through photographed material on the biodiversity web platform iNaturalist.
Filippo Ceccolini
doaj +1 more source
Checklist of fossil decapod crustaceans from tropical America. Part I: Anomura and Brachyura
Nauplius, 2017 Our knowledge of fossil crustaceans from the tropics has increased considerably during recent decades, thanks to novel findings and the re-examination of museum specimens.
Javier Luque +5 more
doaj +1 more source