Coordination of hydraulic and morphological traits across dominant grasses in eastern Australia

Robert Griffin-Nolan, Jeff Chieppa, Alan Knapp, Uffe Nielsen & David Tissue
1. Leaf hydraulic traits characterize plant drought tolerance and responses to climate change. Yet, plant hydraulics are biased towards northern hemisphere woody species. We collected rhizomes of several perennial grass species along a precipitation gradient in eastern Australia and grew them in an experimental garden to investigate potential tradeoffs between drought tolerance and plant morphology. 2. We measured the following leaf hydraulic traits: the leaf water potential (Ψleaf) at 50% and 88% loss of leaf...
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