Results 151 to 160 of about 477 (162)
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Journal of South American Earth Sciences, 2020
Abstract Detailed volcano-stratigraphy and 40Ar/39Ar dating are used for the first time to reconstruct the eruptive evolution of the Alchichica maar and to contribute to the understanding of maar volcanism within the eastern Trans-Mexican Volcanic Belt (TMVB).
Gerardo Carrasco-Núñez +1 more
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Abstract Detailed volcano-stratigraphy and 40Ar/39Ar dating are used for the first time to reconstruct the eruptive evolution of the Alchichica maar and to contribute to the understanding of maar volcanism within the eastern Trans-Mexican Volcanic Belt (TMVB).
Gerardo Carrasco-Núñez +1 more
exaly +2 more sources
The Herpetological Bulletin
The Lake Alchichica salamander Ambystoma taylori is a Critically Endangered, neotenic inhabitant of a single, hyposaline lake in Puebla, Mexico. Between 2015 and 2018, initial field data were collected for this understudied species, to inform future conservation action. Using unbaited submerged passive traps at depths of 0–<10, 10–<20 and 20–30 m,
CHRISTOPHER J. MICHAELS +1 more
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The Lake Alchichica salamander Ambystoma taylori is a Critically Endangered, neotenic inhabitant of a single, hyposaline lake in Puebla, Mexico. Between 2015 and 2018, initial field data were collected for this understudied species, to inform future conservation action. Using unbaited submerged passive traps at depths of 0–<10, 10–<20 and 20–30 m,
CHRISTOPHER J. MICHAELS +1 more
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Nitrogen fixation patterns displayed by cyanobacterial consortia in Alchichica crater-lake, Mexico
Hydrobiologia, 2002Alchichica is a saline crater-lake located in Mexico. Tufa grows on its periphery and a wind-driven Nodularia cf. spumigena bloom occurs annually. Fixation rates were assayed by the acetylene reduction method. Here, we describe the patterns of nitrogen fixation on two tufa forms before, during and after the bloom, as well as those from the planktonic ...
Luisa I. Falcón +2 more
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Verhandlungen Der Internationalen Vereinigung Fur Theoretische Und Angewandte Limnologie International Association of Theoretical and Applied Limnology, 2000
Javier Alcocer
exaly +2 more sources
Javier Alcocer
exaly +2 more sources
Threatened fishes of the world: Poblana alchichica (de Buen, 1945) (Atheriniformes: Atherinopsidae)
Environmental Biology of Fishes, 2009Common names: Alchichica silverside (English), charal de Alchichica (Spanish). Conservation status: Endangered, NOM-059-ECOL-2001 (SEMARNAT 2002); and critically endangered (CR) (A1ac+2c, B1+2c, C2b) (IUCN 2008). Identification: D 4–5; A 13–15; P 14–15. Gill rakers on the first gill arch, 13–16.
Javier Alcocer +3 more
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Carbon stable isotopes ratios of pelagic and littoral communities in Alchichica crater-lake, Mexico
International Journal of Salt Lake Research, 1998Carbon stable isotope ratios were determined in dominant biotic components of pelagic and littoral systems in Alchichica crater-lake. Results showed that carbon signatures were significantly different between both systems. The pelagic environment was more depleted (−26.15 to −15.14 per mille) than the littoral zone (−21.03 to −17.91 per mille).
Elva Escobar Briones +3 more
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The Lake Alchichica from an Astrobiological Perspective
2022Karina Elizabeth Cervantes-de la Cruz +2 more
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Hydrogeology and Hydrochemistry of the Serdán-Oriental Basin and the Lake Alchichica
2022Raúl A. Silva-Aguilera +3 more
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Cyanoprokaryotes in the volcanic lake of Alchichica, Puebla State, Mexico
Algological Studies/Archiv für Hydrobiologie, Supplement Volumes, 1996Rosaluz Tavera, Jiří Komárek
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