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LAIA ALEGRET BADIOLA

Dra. Laia Alegret Badiola
Departamento de Ciencias de la Tierra. Área de Paleontología
Edificio de Geológicas
Pedro Cerbuna, 12
50009-Zaragoza(Spain)

Teléfono: 34 976.76.34.65
Nº fax: +34 976.76.11.06
email:laia@unizar.es


Acceso a mi página web

Temas de Interés - Main research interest


-Micropaleontology. Taxonomy, ecology and paleoecology of benthic foraminifera.Paleoenvironmental reconstructions based on benthic foraminifera.Analysis of critical events:
-Recovery of primary productivity, the carbon cycle, and the marine ecosystems after the Cretaceous/Paleogene (K/Pg or K/T) boundary impact event (~65.5 million years ago).
-Causes and consequences of Paleogene global warming events (hyperthermals): extinctions, ocean acidification and other paleoenvironmental consequences.
-Cretaceous Ocean Anoxic Events.
-Recovery of the benthos after volcanic eruptions (40.000 to 300.000 years ago).
Publicaciones - Publications
Selected publications:

Cretaceous /Paleogene or K/T boundary:

-Schulte P., Alegret L., et al. 2010. The Chicxulub Impact and the Mass Extinction at the Cretaceous-Paleogene Boundary. Science, 327: 1214-1218.

-Alegret L. and Thomas E. 2009. Food supply to the seafloor in the Pacific Ocean after the Cretaceous/Paleogene boundary event. Marine Micropaleontology, 73: 105-116.

-Alegret L. 2007. Recovery of the deep-sea floor after the Cretaceous/Paleogene boundary event: the benthic foraminiferal record in the Basque-Cantabrian basin and in South-eastern Spain. Palaeogeogr., Palaeoclimatol., Palaeoecol., 255: 181-194.

-Alegret L. & Thomas E. 2007. Deep-Sea environments across the Cretaceous/Paleogene boundary in the eastern South Atlantic Ocean (ODP Leg 208, Walvis Ridge). Marine Micropaleontology, 64: 1-17.

-Molina E., Alegret L., et al. 2006. The Global Boundary Stratotype Section and Point for the base of the Danian Stage (Paleocene, Paleogene,“Tertiary”, Cenozoic) at El Kef, Tunisia: original definition and revision. Episodes, 29 (4): 263-273.

-Alegret L. & Thomas E. 2005. Cretaceous/Paleogene boundary bathyal paleo-environments in the central North Pacific (DSDP Site 465), the Northwestern Atlantic (ODP Site 1049), the Gulf of Mexico and the Tethys: The benthic foraminiferal record. Palaeogeography, Palaeoclimatology, Palaeoecology, 224: 53-82.

-Alegret L., Arenillas I., Arz J.A. Díaz C., Grajales M., Meléndez A., Molina E., Rojas R. & Soria A. 2005. Cretaceous/Paleogene boundary deposits at Loma Capiro, central Cuba: Evidence for the Chicxulub impact. Geology. 33(9): 721-724.

-Arz J. A., Alegret L. & Arenillas I. 2004. Foraminiferal biostratigraphy and paleoenvironmental reconstruction at Yaxcopoil-1 drill hole (Chicxulub crater, Yucatan Peninsula). Meteoritics & Planetary Science, 39 (7): 1099-1111.

-Alegret L., Molina E. & Thomas E. 2003. Benthic foraminiferal turnover across the Cretaceous/Paleogene boundary at Agost (southeastern Spain): paleoenvironmental inferences. Marine Micropaleontology, 48: 251-279.

-Alegret L., Arenillas I., Arz J.A., Liesa C., Meléndez A., Molina E., Soria A.R. & Thomas E. 2002. The Cretaceous/Tertiary boundary impact event: sedimentology and micropaleontology at El Mulato section, NE Mexico. Terra Nova,14 (5): 330-336.

-Alegret L., Molina E. & Thomas E. 2001. Benthic foraminifera at the Cretaceous/Tertiary boundary around the Gulf of Mexico. Geology, 29 (10): 891-894.

Paleocene-Eocene Thermal Maximum:
-Alegret L., Ortiz S., Arenillas, I. y Molina E. (2010). What happens when the ocean is overheated? The foraminiferal response across the Paleocene-Eocene Thermal Maximum at the Alamedilla section (Spain). Geological Society of America Bulletin, 122 (9/10): 1616-1624

-Alegret L., Ortiz S., Orue-Etxebarria X., Bernaola G., Baceta J.I., Monechi S., Apellaniz E. y Pujalte V. (2009). The Paleocene-Eocene Thermal Maximum: new data from the microfossil turnover at the Zumaia section, Spain. Palaios, 24: 318-328.

Mid-Paleocene Biotic Event:
-Bernaola G., Baceta J.I., Orue-Etxebarria X., Alegret L., Martin M., Arostegui J. & Dinarès J. (2007). Evidences of an abrupt environmental disruption during the Mid Paleocene Biotic Event (Zumaia section, W Pyrenees). Geological Society of America Bulletin, 119 (7): 785-795.

Taxonomy of benthic foraminifera:
-Alegret L. & Thomas E. 2001. Upper Cretaceous and lower Paleogene benthic foraminifera from northeastern Mexico. Micropaleontology, 47 (4): 269-316.

-Alegret L. & Ortiz S. 2006. Global extinction event in benthic foraminifera across the Paleocene/Eocene boundary at the Dababiya Stratotype section. Micropaleontology, 52 (5): 48-63.
Asignaturas

 
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© 2007 Departamento de Ciencias de la Tierra
© 2007 Universidad de Zaragoza - Pedro Cerbuna 12, 50009 ZARAGOZA-ESPAÑA | Tfno. información: (34) 976-761 001
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