#2 DROUGHT STRESS TOLERANCE STRATEGIES OF PROSOPIS ALBA, A KEY SPECIES FROM « GRAN CHACO AMERICANO »

Abstract  Drought is one of the major abiotic stresses that restrict terrestrial plant growth. Predicted climate change in subtropical regions raises concerns about the ability of forest ecosystems to cope with longer, more severe and unpredictable summer drought periods. The Gran Chaco Americano extends into tropical and temperate zones and is one of the major wooded grasslands in South America, being currently one of the ecosystems with the highest deforestation rates of the world.

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