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Journal Article

Habitability Models for Astrobiology

Authors

Méndez,  Abel
External Organizations;

Rivera-Valentín,  Edgard G.
External Organizations;

/persons/resource/dirksm

Schulze-Makuch,  Dirk
3.7 Geomicrobiology, 3.0 Geochemistry, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

Filiberto,  Justin
External Organizations;

Ramírez,  Ramses M.
External Organizations;

Wood,  Tana E.
External Organizations;

Dávila,  Alfonso
External Organizations;

McKay,  Chris
External Organizations;

Ceballos,  Kevin N. Ortiz
External Organizations;

Jusino-Maldonado,  Marcos
External Organizations;

Torres-Santiago,  Nicole J.
External Organizations;

Nery,  Guillermo
External Organizations;

Heller,  René
External Organizations;

Byrne,  Paul K.
External Organizations;

Malaska,  Michael J.
External Organizations;

Nathan,  Erica
External Organizations;

Simões,  Marta Filipa
External Organizations;

Antunes,  André
External Organizations;

Martínez-Frías,  Jesús
External Organizations;

Carone,  Ludmila
External Organizations;

Izenberg,  Noam R.
External Organizations;

Atri,  Dimitra
External Organizations;

Chitty,  Humberto Itic Carvajal
External Organizations;

Nowajewski-Barra,  Priscilla
External Organizations;

Rivera-Hernández,  Frances
External Organizations;

Brown,  Corine Y.
External Organizations;

Lynch,  Kennda L.
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Catling,  David
External Organizations;

Zuluaga,  Jorge I.
External Organizations;

Salazar,  Juan F.
External Organizations;

Chen,  Howard
External Organizations;

González,  Grizelle
External Organizations;

Jagadeesh,  Madhu Kashyap
External Organizations;

Haqq-Misra,  Jacob
External Organizations;

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Citation

Méndez, A., Rivera-Valentín, E. G., Schulze-Makuch, D., Filiberto, J., Ramírez, R. M., Wood, T. E., Dávila, A., McKay, C., Ceballos, K. N. O., Jusino-Maldonado, M., Torres-Santiago, N. J., Nery, G., Heller, R., Byrne, P. K., Malaska, M. J., Nathan, E., Simões, M. F., Antunes, A., Martínez-Frías, J., Carone, L., Izenberg, N. R., Atri, D., Chitty, H. I. C., Nowajewski-Barra, P., Rivera-Hernández, F., Brown, C. Y., Lynch, K. L., Catling, D., Zuluaga, J. I., Salazar, J. F., Chen, H., González, G., Jagadeesh, M. K., Haqq-Misra, J. (2021): Habitability Models for Astrobiology. - Astrobiology, 21, 8, 1017-1027.
https://doi.org/10.1089/ast.2020.2342


Cite as: https://gfzpublic.gfz.de/pubman/item/item_5007541
Abstract
Habitability has been generally defined as the capability of an environment to support life. Ecologists have been
using Habitat Suitability Models (HSMs) for more than four decades to study the habitability of Earth from
local to global scales. Astrobiologists have been proposing different habitability models for some time, with little
integration and consistency among them, being different in function to those used by ecologists. Habitability
models are not only used to determine whether environments are habitable, but they also are used to characterize
what key factors are responsible for the gradual transition from low to high habitability states. Here we
review and compare some of the different models used by ecologists and astrobiologists and suggest how they
could be integrated into new habitability standards. Such standards will help improve the comparison and characterization
of potentially habitable environments, prioritize target selections, and study correlations between habitability
and biosignatures. Habitability models are the foundation of planetary habitability science, and the synergy
between ecologists and astrobiologists is necessary to expand our understanding of the habitability of Earth,
the Solar System, and extrasolar planets.