14 Comments

One of my summer jobs in college was "blister rust checker" in the Plumas National Forest in the northern Sierra Nevada. The relevant pine there was another five-needle pine, the sugar pine. The blister rust fungus has a complex life cycle between gooseberries, currants, etc. (genus Ribes) and the pine. The spores from Ribes infected the pines but didn't drift far, but those from the pine infected Ribes and did. To break the cycle, the Forest Service contracted the removal of Ribes from stands of sugar pine. The job of the "checker" (me) was to take statistical transect samples of the removal jobs. If the frequency of Ribes fell below a specified level, the contractor got paid (and they often failed). The checker also surveyed sugar pine stands to see if they warranted Ribes removal. It was challenging and fun. Running a straight transect of specified width, with a compass, transect length determined by standardized pacing, and doing this in steep country took some doing, especially since the distance was map distance, not distance walked. You also had to mark your transect by kicking marks in the duff so your work could be checked. This sometimes lead to what some contractors probably considered clever cheating--- they would follow your transect and remove only the Ribes you recorded. Ha! A fresh transect headed that off at the pass.

Expand full comment
author

Tough life!!

Expand full comment

You mention that "the birds fail to harvest all of their buried seeds." The ranges of many other plants are similarly spread by birds and non-human mammals, as you well know I'm sure, and it's an open question for me how much of this failure is intentional or at least conscious. You were fairly ambiguous in your phrasing, which I appreciated. Often, people speak of animals "forgetting" where all their caches are, but I'm not so sure. Other possibilities are that they knowingly cache more than needed because a) they know some caches will be consumed by other creatures and b) they know some will grow and thus ensure further supply. I'm also open to the idea that the first option, a), is conscious sharing, not just self-interest.

Expand full comment
author

Thanks for your note. I lean toward the idea that overcaching is part altruism (food for others) and part Seventh Generation thinking (planting trees for the future).

Expand full comment

"altruism" -- yes, thank you, that was the word I was looking for!!

Expand full comment
Sep 5Liked by David B. Williams

We just camped at Lake Ida. Whitebark Pines, and Clarks nutcrackers swooping around. It was glorious.

Expand full comment
author

Lucky you.

Expand full comment
Sep 5Liked by David B. Williams

Interesting. Thanks

Expand full comment
author

Thanks for sharing TR's song.

Expand full comment
Sep 5Liked by David B. Williams

Reminds me of the fabulous tune “Whitebark Pine” written by the late TR Ritchie. I tried to post a link to the song but was unable. Find it on YouTube

Expand full comment

Are we not blessed that there are people willing to dedicate their lives to the preservation of species? Thank you to all of you out there who do something similar. ❤️

Expand full comment

this gives me hope as I watch more trees in exurbia taken down for subdivisions. We can't stop clear cutting on private land but we can certainly protect our foundation trees wherever possible. Thanks for explaining the process in a way that this ordinary PNWer can understand and respect!

Expand full comment

Thanks for more understanding of plaques and odd green containers in service of beloved white bark pines and their neighbors!

Expand full comment