Author Archives: webmaster

Killing 5000 Trees in Mount Sutro Forest

[ETA (1 Aug 2011): We’ve just received a recent update from UCSF. It appears the timeline has been pushed out. If the projects are approved, they will start felling trees in August 2012. This Google Map shows the forest. (You … Continue reading

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Mount Sutro Forest: Sounds of the Cloud Forest

Bay Area Sound Ecology, an organization promoting awareness of the soundscape, conducts “soundwalks.” These are expeditions that focus on listening rather than just looking. Last evening, Jeremiah Moore and Andrea Williams led such a soundwalk in the Mount Sutro Cloud … Continue reading

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San Francisco Butterfly Count Results, July 2011

The San Francisco butterfly count, led by Liam O’ Brien and sponsored by the North American Butterfly Association, has announced its results. This year, it was held on July 3 on a bright sunny day, compared with last year’s June … Continue reading

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San Francisco, Biodiversity, and the Department of the Environment

We’re aware of San Francisco’s Department of the Environment as the first line of defense against toxic chemicals in our public lands. But they’re more than the defense-against-the-dark-chems guys. They’re the recycling guys. The energy saving guys. The community gardens … Continue reading

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Kareiva, Nature Conservancy, and Nativism

A few days ago, we attended a talk by Peter Kareiva, chief scientist at the well-known Nature Conservancy. (He’s also been elected a member of the National Academy of Sciences.) It’s an environmental organization that prides itself on being science-based; … Continue reading

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Forest Shrine Makeover

From time to time, we’ve posted about the little shrine in Sutro Forest. When we first saw it, it was a shrine in memory of Ishi, the last of the Yahi, who lived near the forest in the care of … Continue reading

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San Francisco Butterfly Count tomorrow, 3 July 2011

The North American Butterfly Association is sponsoring the annual butterfly count in San Francisco. It’s usually in June, but had to be postponed this year because of the wet weather. So it’s tomorrow, July 3, from 9 a.m. to 5 … Continue reading

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A Map of Mount Sutro Forest

Readers of this site may remember that a few months ago, we took down a number of maps after we received a strongly-worded legal letter. We had assumed they were in the public domain (they were based on city/ UCSF … Continue reading

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Interwoven and Integrated: Non-native and Native Species in Life’s Web

Lock and key. Co-evolution. “Made for each other.” One of the dogmas offered by nativists is that native plants and animals, evolving together for thousands of years, form a closed interdependent ecology. According to the California Native Plant Society’s website: Native … Continue reading

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Twin Peaks, Glen Canyon, Natural Areas, and Imazapyr

We’ve been seeing the new pesticide notices up on Twin Peaks, the ones we wrote about earlier here. So today, when we saw three more (and there may have been others) we assumed they were more of the same. They … Continue reading

Posted in Herbicides, Herbicides: Roundup, Garlon, UCSF | Tagged , , , , | 4 Comments

Roundup, Birth defects, and the new trail in Mount Sutro Forest

The new trail connecting Stanyan (just above 17th Avenue) with Medical Center Way opened a few days ago. Though still marred by the stumps of dead trees and amputated shrubs, it provides better access from the Cole Valley side of … Continue reading

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Mount Sutro Forest as Habitat: Janet Kessler in ‘Way Out West’

We’ve often written about the importance of Mount Sutro Forest as habitat. (For instance: here.) Everywhere in our city, eucalyptus provides nesting and perching sites for many different birds, as does acacia which grows as a sub-canopy in many parts … Continue reading

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Mount Sutro Forest, Sunlit

We’ve often spoken here of the beauty of Mount Sutro Cloud Forest on days when it’s wrapped in soft gray fog and the tree tops are hidden in the mist. Then the muffled sounds of the city barely disturb the … Continue reading

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SF NAP on Twin Peaks: Rainy Days and Roundup…

Rainy days and Roundup always make me sigh… This report is brought to you from the drenched slopes of Twin Peaks. And here’s another one… They’re putting the pesticide notices high and visible now, which is an improvement. Also, they’re … Continue reading

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Lament for Oakland’s Garber Park

We read this article in the Spring issue of Hills Conservation Network’s newsletter (the link goes to a PDF), and it resonated with us who want to save Sutro Forest’s habitat. Ecological destruction, whether from building and traffic, or from … Continue reading

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In Mount Sutro Forest, May 2011

Last Thursday evening, we wandered around the forest. We hadn’t headed that way, but it drew us in, as it often does. Despite the recent habitat destruction here and on the Kill-Trees Trail, it’s still a magical place. Here’s our report. THE GASH The Gash … Continue reading

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Mount Sutro Forest, Native Plants, and Ideology: Debate between a Climatologist and Charlie – Part III

This is part of a continuing series of conversations between Charlie, a US-based naturalist, and Gov Pavlicek, a climatologist in Europe (on our front-page comments section).  We’re finding their contrasting worldviews interesting. For those interested in earlier exchanges, here’s Part I … Continue reading

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Mount Sutro Forest, Native Plants, and Ideology: Debate between a Climatologist and Charlie – Part II

In this post, we continue the conversation between Charlie and climatologist Gov Pavlicek. Gov responded to Charlie’s earlier comment. That discussion is here.  GOV: “ECOLOGY” AND XENOPHOBIA From Gov: “Charlie, thanks for the thorough reply.  I was astonished by the … Continue reading

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Mount Sutro Forest, Native Plants, and Ideology: Debate between a Climatologist and Charlie – Part I

Over the past few weeks, we’ve been hosting an interesting debate on our website, between US-based Charlie (who’s commented here before) and Gov Pavlicek , a climatologist from the Netherlands (NL).  We think this conversation is interesting enough for its own … Continue reading

Posted in Environment, eucalyptus, Herbicides, Mt Sutro Cloud Forest, nativism | Tagged , , , | 3 Comments

Sutro Forest: Courtesy on the Mountain

Up in the forest this afternoon, we encountered an unusually large number of visitors. Good Friday holiday, maybe? Anyway, in under an hour we saw: Two hikers; three dogs with six people; and five guys riding their cycles. (It’s always … Continue reading

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Cats, Catbirds: Why the Smithsonian study doesn’t say what everyone thinks it does

There’s been a huge amount of publicity recently about a 2004 study, publicized by the highly-respected Smithsonian. It implies that cats are the main cause of death of songbirds, and has become a talking point for those advocating stronger measures … Continue reading

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Twin Peaks and the Mission Blue Butterfly: Why it’s Still Uncertain

[THIS ARTICLE WAS WRITTEN IN APRIL 2011 AND UPDATED Feb 2012] Last year, journalists were celebrating the return of the Mission Blue butterfly to Twin Peaks. From the SF Chronicle of 7 May 2010: “Everyone comes back to San Francisco, … Continue reading

Posted in Herbicides, Herbicides: Roundup, Garlon | Tagged , , , | 9 Comments

Habitat Destruction with Sutro Stewards

Around this time last year, Sutro Forest was alive with birdsong all day from dawn to late dusk. “We walked up into the Sutro Forest on a peaceful bird-filled evening,” we wrote  in late February 2010. “A few outside noises … Continue reading

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Supermoon over Sutro Forest

On 19 March 2011, there was a “supermoon” when the moon looks much larger than usual. This happens when the full moon is also at the point in its orbit when it’s closest to earth. (Technically, according to wikipedia, it’s … Continue reading

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Native Plants, Oxalis and the Futility of Garlon

Some days ago, in a comment on our post responding to Jake Sigg’s defense of Garlon, Wendy Poinsot said: Garlon is effective on oxalis and other broadleaf weeds like dandelion. Who wants a park full of south african oxalis? Not … Continue reading

Posted in Herbicides: Roundup, Garlon, nativism | Tagged , , | 8 Comments

Garlon, Natural Areas, and the City

San Francisco’s Department of the Environment (SF DOE) is our second line of protection against chemicals after the EPA; it regulates the use of pesticides on all city properties. We attended their monthly meeting yesterday, mainly because Lisa Wayne, the … Continue reading

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Century-old Trees Help the Forest Grow

An interesting study from Canada’s McGill University recently indicated the particular value of old trees. In brief: Trees that are over 100 years old tend to have more moss growing on them at the 15-30 meter (i.e 50-100 feet) level … Continue reading

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The Shrine in the Forest

Some months ago, we’d written about a little shrine to Ishi, the last of the Yahi tribe, in a small cave along a trail in the beautiful Sutro Cloud Forest. There’d been a little picture of him, and some offerings … Continue reading

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More Garlon for Glen Canyon Park?

We’ve been observing the issue of pesticides at Glen Canyon Park at a remove; but here’s what we understand. The place falls under the Natural Areas Program (NAP), which plans to use Garlon, one of the most toxic herbicides San … Continue reading

Posted in Herbicides, Herbicides: Roundup, Garlon, nativism | Tagged , , , , | 2 Comments

Glen Canyon Park and Garlon: Answering Jake Sigg

Recently, several people drew our attention to Glen Canyon and the planned spraying of Garlon 4 Ultra to kill the yellow oxalis flowers there. And someone sent in the notice seen here. Apparently, residents of areas nearby have been understandably upset … Continue reading

Posted in Environment, Herbicides, Herbicides: Roundup, Garlon, nativism | Tagged , , , , , , | 7 Comments