Resurvey of San Pablo Bay
1854: U.S. coast survey map by Josh Collins.; 1897: U.S. coast survey map courtesy CA State Lands Commission; 1996: NASA infrared photo. www.stillhere.org
Post Type Archives: Articles
The Dream Given by You
The return of endangered coho salmon to their ancestral spawning grounds in this west Marin watershed is an essential component of the connective tissue that holds a fragmented ecosystem together....
The Vale of Tesla
Nestled in the hills southeast of Livermore, at the border between the San Joaquin Valley and the Bay Area, the old Tesla Mine townsite in Corral Hollow sustains a vibrant...
Bay Area Ridge Trail Progress
It was over 30 years ago that William Penn Mott, Jr. conceived the idea for a ridge-top trail encircling the Bay and linking over 75 local parks and open space...
What’s the difference between bird songs and bird calls?
Q: What’s the difference between bird songs and bird calls? [L.R., Santa Clara A: Bird song, usually produced by the male, is an advertisement of territory and breeding availability, and,...
Shadows in Flight
Rarely seen and, until recently, poorly understood, bats are a significant component of the Bay Area's natural environment. Now, researchers are filling in the gaps by studying several of the...
Taxonomy 101
Over 200 years ago, Swedish naturalist Karl von Linne (or, as he Latinized the name, Carolus Linneaus) devised a system for classifying all living things based on anatomical structures. Although...
Car Free on Mount Tam
Mount Tam's Steep Ravine and Dipsea trails take you from conifer forest to open slopes to sandy beach. And, best of all, when you take the bus and not your...
Transit to Trails, 2001
Each weekend, thousands of Bay Area residents try to “get away from it all” by driving to beaches, parks, and other open spaces. As a result, we contribute—unwittingly—to some of...
Trees of Golden Gate Park and San Francisco Book Review
After reading The Trees of Golden Gate Park and San Francisco, it’s difficult to know which is more significant—that Golden Gate Park exists at all, or that in today’s world...
