5 7 9 11 



Elevation Class (dm NGVD) 



3 5 7 9 11 



Elevation Class (dm NGVD) 



Figure 3.2. The frequency of occurrence of abundant plant species in the salt marsh of Tijuana 

 Estuary (from Zedler 1977). Sv=Salicornia virginica, Sb=S. bigelovii, Fg=Frankenia grandifolia, 

 Ss = S. subterminalis, Se=Suaeda esteroa (called S. californica in earlier publications), 

 Lc= Limonium californicum, SUSpartina foliosa, Bm=Batis maritima, Jc=Jaumea carnosa, 

 M\=Monanthochloe littoralis, Ds=Distichlis spicata, Tc=Triglochin maritima. 



Figure 3.3. The upper marsh habitat with the California ground squirrel, salt marsh bird's beak 

 (lower left), boxthorn, prickly pear, golden bush (far right), and glasswort and shore grass (in 

 foreground). A northern harrier flies overhead. Mclntire collection, © 1986 by Zedler. 



29 



