Sea Anemone

Anthopleura elegantissima

Sea anemones thrive in the intertidal zone of Santa Barbara County beaches due in part to microscopic organisms living within their bodies. A type of alga called zoochlorella grows inside the tissue of the anemones in a symbiotic relationship. Zoochlorella consumes carbon dioxide and nitrogenous and phosphorous wastes and in turn provides oxygen and nutrients to the anemones. Zoochlorellae are a type of green algae and its their presence that results in the green hue seen in anemones. Another type of alga, zooxanthella, is also found within sea anemones to a lesser extent and imparts a brownish tinge to their hosts.

Because the algae produce food through photosynthesis the sea anemones are dependent on sun exposure to sustain the microscopic plants within themselves so that they in turn feed the anemones. A scientific study conducted in Santa Barbara County waters of the Pacific Ocean suggests that sea anemones are able to survive lengthy periods of time without capturing their own food, because the algae provides sufficient nutrients for them. The anemones depend on photosynthesis for nourishment as much as they do catching their own food.

Bibliography:

A Snail’s Odyssey: A scientific account of the biology of shallow-water, benthic-marine invertebrates on the west coast of North America.

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Canoe Camping Along the Green River, Utah

A photo essay of a camping trip down the Green River in Utah by Clint Elliott and the boys:

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Priorities.

Tally ho!

Petroglyphs

Clint Elliott hanging five.

A view of the Green River through the walls of ancient Native American ruins.

Ancient ruins.

The Clint Elliott Files:

Goddard Campground: The Lost Jewel of West Camino Cielo Canoe Campin’ and Fishin’ in Minnesota Sliding Down Mono Debris Dam Cliff Diving Montezuma Falls in Costa Rica

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Rose Canyon Video Clip

Here is a short iPhone-shot video clip of Rose Canyon I took back in December, but never published. The video goes with the previously posted recount of that trip, which will give some background information on why I was filming an apparently unremarkable backcountry canyon: Rose Canyon and Rowe’s Gulch.

The video is rough footage showing a pan of Rose Canyon above the old long ago abandoned Rowe’s Gulch backpacking Camp, which is in the Los Padres National Forest in the Santa Barbara backcountry. The video begins looking southward down canyon. It pans along the foot of the mountain toward the east, looking downward as it follows the dry weedy creek bed, and then looking back up toward the upper part of the canyon and on northward.


A USGS map showing Rose Canyon. The red dot notes the location where the video was taken from.

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Sunset Surf

Last call.

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The Carrizo Experience: Ten Hours on the Plain II

This post is second in a series. Read the first here: The Carrizo Experience: Ten Hours on the Plain I: Ruminants on the Range.

Selby Rocks as seen from the Caliente Range, Selby Campground on the left at the foot of the hill.

The Bedrock Mortars of Selby Rocks

The silence hit me again when I stepped from my rig. It filled my head with its low hum, as my ears strained to hear what was not there. The ticking of my hot truck engine was the only sound. I stood on the Caliente Range peering over the tops of juniper and scrub brush, and down onto the isolated plain far below devoid of the hordes of hurried humanity left behind for the day. I had seen more pronghorn antelope than humans so far.

Back down on the plain standing perched atop the Selby Rocks I could see mortars of all sizes and ages riddling the bedrock around me. Some were relatively new looking while others were so weathered and eroded and thickly covered in lichen that they were barely discernible. Archaeologists estimate that the earliest inhabitants of the area arrived during the Paleoindian period circa 11,000 to 9,000 B.C. How ever old the bedrock mortars are, it’s evident that long ago a significant amount of labor was carried out here grinding seeds.

It brought to mind what I imagined might have been a typical scene carried out hundreds or thousands of years ago. The murmur of an indecipherable native language spoken by women hunched over bedrock millstones grinding away. The constant scrape of sandstone pestles in mortars and the air tinged with the acrid scent of wood smoke from smoldering campfires. The throaty squawk of ravens circling overhead punctuated the silence as I stood lost in thought.

I moseyed up the nearby seasonal creek, which runs through a gap between massive chunks of bedrock, and passed through its short needle-eye narrows. With little rain this season, the sandy ditch was merely damp in places and covered in the low green growth of this year’s annual grasses. Above and beside the creek, adjacent the narrows, the soil-level bedrock formation is pitted with even more mortars. Many of them are filled with dirt, perhaps there are yet still more buried out of sight.

As I left the area and walked back to my truck I pondered the difference between the Selby Rocks site and nearby Painted Rock. Some faint traces of pictographs still stain the more protected niches of the Selby Rocks, but nothing remotely close in size or scope compared to Painted Rock. The former rock outcrop is dotted in clusters of mortars with little rock art, while the latter is covered in paintings but has few millstones. I pulled the truck door closed, turned the key and with the roar of the engine headed down the road toward the prehistoric murals on Painted Rock.

A section of the Selby Rocks with deep, highly eroded mortars.

A closeup of the large mortar seen in the previous photo near the grass. It measures about 10 to 12 inches deep.

There are at least seven mortars in this photo all in various stages of disappearance due to the elements. Some have nearly vanished entirely.

A view showing how the mortars were started in the natural depressions atop the outcrop, which appear to have been worn into the stone over the centuries by sitting water during the rainy season. Compare these smaller mortars, which measure just a couple of inches in diameter, to the larger ones in the previous photo. Note also how once created the mortars somehow erode more slowly than the rest of the surrounding stone and so eventually seem to rise out of the natural depression.

A group of highly eroded and lichen covered mortars. I was able to discern no less than ten mortars in this frame when I snapped the shot.

Selby creek or what is better described as a seasonal drainage ditch.

The narrows.

The exposed bedrock here is riddled with smaller mortars. At least six are visible in this photo. The creek runs through the rocks on the right and about 25 feet from where this photo was taken.

Related Posts:

Cave’s Eye View on the Carrizo Summertime Soda Lake Selby Rocks Carrizo Plain Wildflowers Wallace Creek Offset, San Andreas Fault Soda Lake Winter Reflections Elkhorn Plain  Dragon’s Back Ridge, San Andreas Fault

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