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Drought impacts on vegetation activity, growth and primary production in humid and arid ecoystems

AutorVicente Serrano, Sergio M. ; Gouveia, Célia; Camarero, Jesús Julio ; Beguería, Santiago ; Trigo, Ricardo M.; López-Moreno, Juan I. ; Azorín-Molina, César ; Pasho, Edmond ; Lorenzo-Lacruz, Jorge ; Revuelto, Jesús ; Morán-Tejeda, Enrique ; Sánchez-Lorenzo, Arturo
Fecha de publicación2012
EditorAsociación Española de Climatología
CitaciónCambio climático. Extremos e impactos: 691- 699 (2012)
ResumenWe have evaluated the response of the Earth biomes to drought using a new global dataset that captures drought effects on vegetation at various time scales. We show that arid and humid biomes are both affected by drought, and that the time scale on which droughts most intensively affects vegetation plays a key role in determining the sensitivity of biomes to drought. Arid biomes respond to drought at short time scales because plants have mechanisms allowing them to rapidly adapt to changing water availability. Humid biomes also respond to drought at short time scales, probably because there plant species show a poor adaptability to water shortage. Sub-humid biomes respond to drought at long time scales because plants are adapted to withstand water deficit, but they lack the rapid post-drought recovery observed in arid biomes.
URIhttp://hdl.handle.net/10261/126669
Identificadoresisbn: 978-84-695-4331-3
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