During the 2004-2005 winter salmon spawning season in Redwood Creek, which passes through Muir Woods National Monument before reaching the ocean at Muir Beach, scientists and volunteers with the Coho and Steelhead Monitoring Program counted 93 coho salmon redds (nests) … Read more
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Invasion of the New Zealand Mud Snail
The scientists and volunteers with the Coho and Steelhead Monitoring Program don’t yet have to deal with New Zealand mud snails. Barely larger than a grain of rice, this snail from Down Under has invaded water bodies all over the … Read more
Flower Power
Sepal, stigma, stamen, style; pollen, pistil, petal. Say what?! Like all scientists, botanists have a specialized language for talking about the things they study, in this case, flowers. Next time you’re out hiking, take a few minutes to look closely at a wildflower and you can discover these fascinating, strangely named parts for yourself.
In the Wake of the Oil Spill
Not long after the cargo ship Cosco Busan ran into the Bay Bridge last November, it was clear that the resulting spill was only the beginning of a much longer story. Volunteers flocked to shoreline parks and beaches, hoping to … Read more
Marking Time on the Dunes
A walk at Lawson’s Landing is a step back into simpler times, when families returned to the same spot every summer, and nobody worried too much about building permits and planning boards. The Lawson family originally bought land at the … Read more
Naturalist’s Notebook: A Six-Step Fluke of Nature
Intrepid naturalist Jack Laws finds a fluke of nature in six not-so-easy steps.
Shifting Sands
At the mouth of Tomales Bay, sand dunes and seasonal wetlands coexist uneasily with California’s largest coastal campground. The dunes at Lawson’s Landing, home to rare butterflies and plants like the dune tansy, are among the few left of a once-common coastal habitat that could be restored and maintained as a healthy, functioning ecosystem. But can that be accomplished without driving out the family-run camping operation at the dunes that, since 1957, has been an affordable summer getaway for thousands of visitors?
The Fremont Peak Experience
Discover rare rocks, distant stars, beautiful wildflowers, and a bit of California history all at one small state park south of San Juan Bautista.
The Grunion’s One-Night Stand in the Sand
Solstice is nigh, the tide is high, the full moon illuminates the midnight beach, and before us, thousands of glimmering fish wiggle out of the surf to spawn in the sand. In Southern California beach culture, the annual return of … Read more
Ask the Naturalist: Why Do Dragonflies Swarm?
What causes dragonflies to take flight in swarms of thousands or millions?