City Creek Nature Notes – Salt Lake City

February 19, 2017

February 19th

Filed under: Blacked-Headed Chickadee, Horsetail, Lichen, picnic site 4, picnic site 6 — canopus56 @ 6:19 pm

Blue-Green Lichen

4:00 p.m. It rains into the afternoon, but around 3:00 p.m. the Sun reappears. Horsetails have tan pads that divide each green segment, and usually, these go unnoticed. But the rain makes the green more vibrant, and where horsetails hang over the stream, the beige segments are highlighted. Drops of rainwater stick to the cylindrical segments and randomly fall into the stream below. In response to the continuing warmth, the Black-capped chickadees have moved further up canyon to mile 0.6. Now that the snow is gone, it leaves behind a flattened mat barely 1/16th inch thick of soaked leaves. In the autumn, these covered the ground to a depth of four inches. Scraping at the mat with a stick, one small insect is dislodged. All is primed for leaves’ decay back into soil, and the ground only waits the addition of spring’s heat. Testing the Box Elder catkins, the helicopter seeds easily come loose and are awaiting the strong winds of March. At picnic site 4, an unusual lichen stands out. Lichen is uniformly orange on trees in the lower canyon, as was this specimen. But the lichen on this tree has changed in the last week; it now has an orange green tint. Examining the lichen closely, under the orange lichen miniature green moss-like leaves are fruiting. Interspersed with these plants are three-quarter inch circles of a kaleidoscopic blue-green lichen. The centers are slate blue, the border is light blue, and a splash of new growth light blue-green tops the mass. At mile 0.2, I find another “mystery hole” next to the road (December 3rd). This hole is only four inches in diameter, and on exploring it with a stick, it is at least eighteen inches deep.

In Thoreau’s “Journal” on February 19th, 1852, he notes that the lengthening of the days is a sign of the coming of spring. At night, he sees a bright auroral display that covers the entire northern horizon. On February 19, 1853, he finds more insect cocoons.

On February 19th, 2006, a moose wandered out of City Creek Canyon and into the Avenues where wildlife officers tranquilized it for removal (Salt Lake Tribune). On February 13th, 1913, 49 head of cattle were found illegally grazing in City Creek Canyon and were impounded by the City (Salt Lake Herald). On February 19th, 1912, Superintendent of Waterworks Charles F. Barrett recommended tunneling in City Creek in order to develop new water supplies for the City and to reduce current water shortages (Salt Lake Telegram). On February 19th, 1903, City Councilperson Hewlett recommended building a reservoir in City Creek Canyon (Salt Lake Tribune). On February 19th, 1896, Charles Stewart, the manager of a mine in Hardscrabble Canyon just on the other side of the City Creek divide, argued for the development of a road down City Creek Canyon from Morgan County (Salt Lake Herald).

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