I experimentally test the hypothesis that the potential for selfing
increases with plant size in Mertensia ciliata (Boraginaceae), a self-compatible,
profusely-flowering perennial. This follows from the
premises that 1) pollen dispersal by pollinators between flowers is
limited, and 2) individual pollinators, in this study bumblebees, will
visit more flowers per...
In 1978, a ten year project was begun to examine
the synecological effects of livestock grazing riparian
ecosystems. A multitude of biotic arid physical factors,
many which were unique to riparian ecosystems, interacted
to form a complex and diverse riparian ecosystem.
A total of 256 stands of vegetation representing 60...