On this trip into the Upper Arroyo in Pasadena, I traversed through the cool damp riparian creek which was flowing briskly with the rain run-off from the day before.
This was our first excursion up into the Upper Arroyo in Pasadena. The goal of this outing was to observe the space similarities and differences of plant communities.
This trip into the Lower Arroyo in Pasadena sought to observe and note examples of local geology, human activity and the use of the landscape by past indigenous peoples.
This was the fourth trip into the Lower Arroyo in Pasadena with the goal/purpose to observe and broadly measure the different species in several biomes.
Exploring Urban Ecosystems and Patch Ecology 