Tag Archives: spring

Friday favorites: Michigan spring

With all the different colors, it might look like fall. But this is a spring picture taken at the University of Michigan Biological Station in May of last year. Note the yellowish color of the new leaves as they unfold. … Continue reading

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Friday favorites: First leaves

Spring leaves start emerging at Bartlett Forest in New Hampshire.

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Pairs of spring images

Spring is in the air. And for deciduous trees, spring means putting out new green leaves. Scientists still can’t predict with absolute accuracy the date that little green buds appear on trees, but they’ve figured out some of the things … Continue reading

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Happy New Year!

We at Season Spotter hope your 2016 unfolds graciously. Best wishes for the new year!

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Spring leaf unfurling as temperatures rise

Tree leaves are unfurling earlier with increasing temperatures, but this tendency is slowing down. That was the message of an article that came out recently in the high-profile science journal Nature called “Declining global warming effects on the phenology of … Continue reading

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Phenology and urban heat islands

Following my last post, I’d like to continue on the theme of why deciduous tree phenology is different from place to place. Last time, I discussed how phenology might be different over relatively small distances, like hundreds of feet, between … Continue reading

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Indications of spring

In 1789, British naturalist Robert Marsham published a chart in the Philosophical Transactions of the Royal Society called “Indications of spring.” In this chart he lists the first day of the year on which he noticed particular events at his … Continue reading

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