Tree with Lichen

Tree with Lichen

SONY ILCE-7C 20mm f22.0 1/30s ISO250

A tree with lichen at Echo Summit on Highway 50 in the Sierra Nevada mountains.

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(Published to the Fediverse as: Tree with Lichen #photo #trees Photo of a lichen covered tree at Echo Summit on Highway 50 in the Sierra Nevada Mountains, California. )

Trees

Updated on Saturday, October 1, 2022

Trees

Black and white photo of light streaming through a foggy forest.

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(Published to the Fediverse as: Trees #photo #trees Photo of light streaming through a foggy forest, black and white. )

San Francisco Botanical Garden

Updated on Sunday, May 3, 2020

San Francisco Botanical Garden

San Francisco Botanical Garden

San Francisco Botanical Garden

Photos from the San Francisco Botanical Garden: a blue heron in a tree, a catfish in the pond, and one of many striking trees.

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(Published to the Fediverse as: San Francisco Botanical Garden #photo #sanfrancisco #heron #trees #catfish A blue heron, a catfish, and a tree photographed at the San Francisco Botanical Garden in California. )

San Francisco Street Tree Datalapse

Updated on Saturday, February 19, 2022

San Francisco Street Tree Datalapse

A datalapse video of San Francisco street trees:

City elevation contours and street tree database  from DataSF. I included all trees with a latitude, longitude and known planting date. On the visualization trees grow over 25 years to a generally exaggerated 25 meters radius. Each species of tree is assigned a random color.

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(Published to the Fediverse as: San Francisco Street Tree Datalapse #etc #datalapse #sanfrancisco #trees #video Animation of all the known trees in San Francisco (from Data SF). )

Trees at Lands End

Trees at Lands End

Rain falling through trees at Lands End, San Francisco (Golden Gate National Recreation Area).

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(Published to the Fediverse as: Trees at Lands End #photo #sanfrancisco #landsend #trees Photo of rain falling through trees at Lands End, San Francisco, California (Golden Gate National Recreation Area). )

Save Mount Davidson

Updated on Wednesday, February 22, 2017

Save Mount Davidson

I just learned that San Francisco's Recreation and Parks department plans to cut down thousands of healthy trees because they are non-native. I really don't understand this nativist movement. At one point San Francisco was part of Gondwanaland. A while before that it was a sea of super-heated plasma. We need more trees even if they were originally Australian. It's a city of transplants anyway.

San Francisco Forrest Alliance seems to be the main hub to try and shut this down. If you live here and like trees please do something. 

Here's a letter I just sent to my Supervisor:

Dear Supervisor Yee,

I am writing to voice my opposition to the plan by the Recreation and Parks Department’s Natural Areas Program to cut down 1,600 trees on Mount Davidson. I have lived in San Francisco for over sixteen years and in your district for a little over two. I regularly walk my dog and take my children to Mount Davidson. We greatly value this park for its views and forest.

Beyond Mount Davidson specifically I am horrified by the thought of felling thousands of healthy trees because they are considered to be non-native. The mission of Recreation and Parks should not be to return San Francisco to its original state. As a taxpayer and homeowner I expect to see a focus on the needs of residents and a management plan that preserves our forested areas rather than denuding them.

Maybe some of the NAP budget could be diverted to fixing up the dilapidated West Portal playground or to pay for maintenance of neighborhood trees rather than their current plan?

Yours faithfully,

Robert Ellison

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(Published to the Fediverse as: Save Mount Davidson #politics #mountdavidson #trees Don't cut down all the non-native trees, leave Mount Davidson the way it is. )

Tree

Updated on Saturday, October 1, 2022

Tree

Some kind of epiphyte hanging out on a tree in the Presidio of San Francisco.

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(Published to the Fediverse as: Tree #photo #trees Photo of an epiphyte in a tree in the Presidio of San Francisco, California. )

Magic Mountain

Updated on Sunday, May 3, 2020

Magic Mountain

Photo of the view from Magic Mountain in Cazadero, Sonoma.

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(Published to the Fediverse as: Magic Mountain #photo #trees Photo of the view from Magic Mountain in Cazadero, Sonoma, California. )