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Tag Archive 'mustard'

New vegetation is coming up in the that area burned last September in the Foothill Fire. Part of the burn area is in the east field, which was once cleared and was covered with a mixture of non-native grasses and recovering coastal sage scrub. A cursory look at this area gives the impression that a […]

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Star-thistle time again

It’s now that time of year when the Italian Thistles (Carduus pycnocephalus) have gone to seed, so the volunteers have turned their attention to Maltese Star Thistles (Centaurea melitensis, aka Tocalote), which are starting to bloom. You can read about these invasive thistles and our overall Star Thistle management strategy in this post from last […]

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Transformation of the toad pond mound

Some time in the past, perhaps in the early 1970s, a very large mound of dirt was dumped on what is now the southwestern portion of the BFS in preparation for a development that never happened. Because the dirt in the mound has more clay than the native BFS soil, it retains more water, and […]

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Soil solarization trial at the BFS

This past Saturday, volunteers set up a soil solarization trial at the BFS. The area to be solarized was cleared of rocks and vegetation and covered with clear plastic, which will be left in place for 2–3 months. The plastic will trap heat generated by solar radiation (the greenhouse effect), causing soil temperature to rise […]

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This past Saturday BFS volunteers mounted an assault on Italian Thistles (Carduus pycnocephelus) at what we think is the site of the original infestation – the top mound of dirt that with the ‘old toad pond’. This is what it looked like before we started: And here’s what it looked like after we finished: In […]

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