Why do Street Trees Fall?
KneeDeep editorial fellow Isabella Eclipse investigates why different species of street trees fall in the face of drought. storms or wind.
KneeDeep editorial fellow Isabella Eclipse investigates why different species of street trees fall in the face of drought. storms or wind.
While monarch butterfly numbers at traditional winter roosts on the California coast hit an all-time low of about 2000 last winter, citizen-science observers have noticed that some remain in the San Francisco Bay Area year-round. Biologists Elizabeth Crone (Tufts University) and Cheryl Schulz (Washington State University) estimate a resident population of 12,000 in northern and central California, extrapolating from a Berkeley survey.
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KneeDeep editorial fellow Isabella Eclipse investigates why different species of street trees fall in the face of drought. storms or wind.
While monarch butterfly numbers at traditional winter roosts on the California coast hit an all-time low of about 2000 last winter, citizen-science observers have noticed that some remain in the San Francisco Bay Area year-round. Biologists Elizabeth Crone (Tufts University) and Cheryl Schulz (Washington State University) estimate a resident population of 12,000 in northern and central California, extrapolating from a Berkeley survey.