Ecological Archives M069-005-A1

Jake F. Weltzin, and Guy R. McPherson. 1999. Facilitation of conspecific seedling recruitment and shifts in temperate savanna ecotones. Ecological Monographs 69: 513-534.

Appendix A

Photograph of a representative woodland/grassland ecotone, looking east across the San Rafael Valley from the Patagonia Mountains, southeastern Arizona, USA.