Fig. 4From: Recovery of photosynthesis, sucrose metabolism, and proteolytic enzymes in Kandelia obovata from rare cold events in the northernmost mangrove, ChinaChanges in the ratios of Chl a/Chl b and Chl/Car in K. obovata leaves at different ages after winter. T2 27 February 2011, T3 31 March 2011, T5 21 February 2012, T6 31 March 2012. a Leaf Chl a/Chl b ratio in 2011. b Leaf Chl a/ Chl b in 2012. c Leaf Chl/Car in 2011. d Leaf Chl/Car in 2012Back to article page