“The time is ripe for biologists to unravel the diversity, ecology, and natural history of land flatworms,” one scientist writes
Art & Design | Botany | Climate Change | El Niño | Fire | Fungi | Geology | History | The Bay | The Ocean | Urban Nature | Water | Weather | Wildlife
Erica Spotswood, the science director of the San Francisco Estuary Institute’s Urban Nature Lab, got her dissertation studying seed dispersal on the French Polynesian islands of Tahiti and Moorea. A kind of low-growing fruit tree named Miconia calvescens had arrived … Read more
As the California Supreme Court wrote, “CEQA does not require an agency to consider the impact of existing conditions on future project users.”
Cape Horn is a concrete and earth-filled dam on the upper Eel River in Mendocino County. About 140 miles north of San Francisco, the dam was built in 1907 and blocks the waters of the Eel to form the Van … Read more
Basking sharks can be over 30 feet long and are characterized by their enormous gill rakers and three-foot tall dorsal fins. But these mysterious, massive, filter-feeding cousins of the great white shark aren’t just a scientific curiosity – they also … Read more
Look for the blue blossoms of Lupinus chamissonis all along California’s coast.
Newts carry enough toxin to kill a dozen people. Yet in the Bay Area garter snakes feast on them without harm.
Sightings of coyotes with steely irises are sporadic and rare, so no one is sure how many individuals there are in the park or if their population is increasing or decreasing.
It is now a given that the health of an ecosystem can be measured by the abundance and diversity of the native organisms able to survive and thrive there – i.e., its level of biodiversity. The concept has now even … Read more
A reader finds a dead small mammal. Is it a mole? A shrew? A shrew mole?