Author Archives: Andrew Richardson

About Andrew Richardson

I am an Associate Professor in the Department of Organismic and Evolutionary Biology at Harvard University

It’s finally springtime in the Northeast

Last time I posted, I commented on the fact that winter temperatures in New Hampshire were almost 7°C warmer in 2016 than 2015, and that “spring 2016 is just around the corner.” It turns out that spring has been a … Continue reading

Posted in Camera images, Science | Tagged , | 1 Comment

Spring is just around the corner!

It’s been a really unusual winter, with almost no snow in the Northeast, and some incredibly warm temperatures. Last winter, at our research site in New Hampshire, the mean air temperature from January to mid-March was -8.5°C (17°F), and with … Continue reading

Posted in Camera images, Science | Tagged , , , , | Leave a comment

Flowering in winter? It’s witch-hazel!

The witch-hazel genus (Hamamelis) consists of five species of deciduous shrubs. Three of these are native to North America, while two are native to the temperate regions of Asia. What is remarkable about these species is when they flower. The … Continue reading

Posted in Science | Tagged , , , | Leave a comment

Warmer temperatures allow plants to stay green longer in autumn

In September, I wrote a blog post about our research at the SPRUCE site in Minnesota, where a Department of Energy project is trying to answer the question: What effects will warmer temperatures and rising atmospheric carbon dioxide have on … Continue reading

Posted in Camera images, Field work, Research | Tagged , , , , | Leave a comment

The end of autumn

It’s early December, and in Cambridge, MA, most of the trees have shed all their leaves by now. There are exceptions: some of the red oaks are still holding on to a few crispy-dry, brown leaves (the same is true … Continue reading

Posted in Science | Tagged , , | Leave a comment

Autumn colors

It’s late autumn in northern New England, and this year the colors are beautiful. I spent last weekend with my family in the White Mountains of New Hampshire – we went for an afternoon walk, and I was amazed by … Continue reading

Posted in Science | Tagged , , , , | Leave a comment

Reporting from the Phenology 2015 meeting in Kuşadasi, Turkey

Greetings, Season Spotters! I’m writing from the eastern coast of the Mediterranean Sea – I’m in Kuşadasi, Turkey, for Phenology 2015: The Third International Conference on Phenology (Phenology 2010 was in Dublin, Ireland, and Phenology 2012 was in Milwaukee, Wisconsin). … Continue reading


Posted in Conferences, Travel | Tagged , | Leave a comment


It was a cold, drizzly day — feeling more like October than August — as Morgan and I bounced down a rough dirt road for about 10 miles before pulling up at a set of glass-and-aluminum structures that look right … Continue reading

Posted in Field work, Research | Tagged , , , , , | 1 Comment

How do they get the camera up there?

If you have been participating in Season Spotter, no doubt you’ve seen tens – if not hundreds – of photos taken from above the top of the forest canopy. And, you’ve probably wondered, “How do they get the camera up … Continue reading

Posted in Field work | Tagged , , | 1 Comment

Why phenology is cool

I have long been fascinated by the passing of the seasons. I grew up in Canada: winter was cold and snowy, spring was lush and green, summer was hot and humid, and in autumn the forest exploded in a riot … Continue reading

Posted in History | Tagged , | Leave a comment