Ecological Archives E084-086-A2

Fernando T. Maestre, Susana Bautista, and Jordi Cortina. 2003. Positive, negative, and net effects in grass–shrub interactions in Mediterranean semiarid grasslands. Ecology 84:3186–3197.

Appendix B. A figure showing predawn water potential of Pistacia lentiscus seedlings measured in Aguas on 16 June 2001.

 
   FIG. B1. Predawn water potential of Pistacia lentiscus seedlings measured in Aguas on 16 June 2001. Measurements were performed with a pressure bomb (Soilmoisture Corp., Santa Barbara, California, USA). Data represent means and 1 SE (n = 6). Shared letters indicate no significant differences between treatments (SNK test after a one-way ANOVA, P > 0.05). T = Tussock, NR = No run-off, NS = No shade, H = Herbicide, O = Open.



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