Fig. 2
From: Roadside air pollution in a tropical city: physiological and biochemical response from trees

a Pareto chart of t values between ambient air quality and biochemical parameters of Terminalia catappa. b Pareto chart of t values between ambient air quality and biochemical parameters of Mangifera indica. c Pareto chart of t values between ambient air quality and biochemical parameters of Ficus platyphylla. d Pareto chart of t values between ambient air quality and biochemical parameters of Polyalthia longifolia