17 Jan 2013:
Journals of Iconic Naturalists
Reveal Plants Are Blooming Much Earlier
An analysis of records kept by iconic naturalists Henry David Thoreau and Aldo Leopold has revealed evidence that some native plants in the eastern U.S. are flowering as much as much as a month earlier
in spring than they did even just six decades ago. Writing in the journal PLoS ONE
, scientists from Boston and Harvard universities and the University of Wisconsin-Madison report that many plant species found in and around Concord, Mass. — including serviceberry and nodding trillium — are now blooming an average of 11 days earlier than when Thoreau kept copious notes in the 1850s. In Wisconsin, where Leopold and his students collected comprehensive data on spring blooms from 1933 to 1945, the evidence of earlier flowering is even more pronounced: During the unusually warm spring of 2012, the study says, plants bloomed an average of one month earlier than they did 67 years earlier. Scientists say the findings could provide critical insights into the effects of climate change on native plants, and the long-term implications this could have on the plants and the animals and insects that depend upon them. “These historical records provide a snapshot in time and a baseline of sorts against which we can compare more recent records from the period in which climate change has accelerated,” said Stan Temple, a UW-Madison ecologist and co-author of the study.
Yale Environment 360 is
a publication of the
Yale School of Forestry
& Environmental Studies
Yale Environment 360
articles are now available in Spanish and Portuguese on Universia
, the online educational network. Visit the site.
Business & Innovation
Policy & Politics
Pollution & Health
Science & Technology
Antarctica and the Arctic
Central & South America
A look at how acidifying oceans could threaten the Dungeness crab, one of the most valuable fisheries on the U.S. West Coast. Watch the video.
is now available for mobile devices at e360.yale.edu/mobile
An aerial view of why Europe’s per capita carbon emissions are less than 50 percent of those in the U.S. View the photos.
An indigenous tribe’s deadly fight to save its ancestral land in the Amazon rainforest from logging. Learn more.
video series looks at the staggering amount of food wasted in the U.S. – a problem with major human and environmental costs. Watch the video.
Residents of the Chocó Rainforest in Ecuador are choosing to plant cacao over logging in an effort to slow deforestation.
Watch the video.
Tribal people and ranchers join together to stop a project that would haul coal across their Montana land. Watch the video.