Results 81 to 90 of about 412 (115)

Metabolismo lacustre de un lago tropical profundo: ¿Fuente o sumidero de carbono? [PDF]

open access: yes, 2016
The epicontinental aquatic systems are an important component in the global carbon cycle. In order to generate a baseline as whether tropical lakes act as carbon dioxide (CO2) source or sink, we evaluated the gross (GPP) and net (NPP) primary production ...
Alcocer, Javier   +2 more
core   +1 more source

Geomicrobiology of Alchichica alkaline lake microbialites (Mexico)

open access: yes, 2012
Les stromatolites sont des structures organo-sédimentaires formées grâce à l'activité des microorganismes. Ils dominent le registre fossile Précambrien et sont parmi les plus anciennes traces potentielles de vie sur Terre (datées à 3,5 Ga). Cependant les processus biotiques et abiotiques à l'origine de leur formation restent peu compris et ouvrent des ...
openaire   +1 more source

Acoplamiento pelágico-bentónico: respuesta de la zona bentónica profunda a la sedimentación del florecimiento invernal de diatomeas en el lago oligotrófico Alchichica, Puebla, México [PDF]

open access: yes, 2017
The aim of this study is to recognize the existence of a pelagic-benthic coupling in the oligotrophic, tropical Lake Alchichica through analysis of the response of the deep benthic zone to the winter diatom bloom deposition.
Alcocer, Javier   +2 more
core   +1 more source

Quantitative reconstruction of eutrophication histories in central Mexican lakes [PDF]

open access: yes, 2006
The primary aim of this study was to develop a diatom based nutrient transfer function for central México, and apply it to a sediment core from Laguna Zirahuén, Michoacán Mexico, (19⁰ 26' N, 101⁰ 44' W) reconstruct change in nutrient availability over ...
Hill, Emma Louise
core  

Seasonal and spatial dynamics of a ciliate assemblage in a warm-monomictic Lake Alchichica (Puebla, Mexico)

open access: yes, 2008
"The distribution of the ciliate assemblage was surveyed along a depth gradient in the maar crater, athalassohaline, warm monomictic Lake Alchichica (Puebla, Mexico) from June 2003 to October 2006 (monthly). DAPI staining was employed to count ciliates while the Quantitative Protargol Staining was used for their identification.
Miroslav Macek   +2 more
openaire   +1 more source

Cyanobacterial evolution during the Precambrian [PDF]

open access: yes, 2016
Sanchez-Baracaldo, Patricia   +2 more
core   +1 more source

Zoological Society of London: Contributions towards advancing the field of herpetology through conservation, research, captive management and education [PDF]

open access: yes, 2017
Bielby, J   +42 more
core  
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