Plant and animal species are shifting their geographic ranges and the timing of their life events such as flowering, laying eggs or migrating at faster rates than researchers documented just a few years ago, according to a technical report on biodiversity and ecosystems used as scientific input for the 2013 Third National Climate Assessment.
PostedDec 14, 2012
Observations, Ecosystems & Biodiversity, Indicators, Human Health, Extreme Events
In front of the United States Geological Survey (USGS) national headquarters building in Reston, Va., two genetically identical lilac bushes are rooted in the earth. To casual observers, they are fragrant adornments to the landscaped property. But to ecologist Jake Weltzin and geographer John Jones—USGS scientists who study plant and animal life-cycle events—they are “Li” and “Lac,” two small but important pieces of a developing climate change indicator system.
PostedMay 2, 2012
Ecosystems & Biodiversity, Arctic
Data collected from long distance swims by polar bears suggest that they do not stop to rest during their journey.
PostedMar 21, 2012
Ecosystems & Biodiversity, Extreme Events
As the climate gets warmer, many forests are feeling the heat. Impacts range from increased forest fire hazards and tree mortality to detrimental beetle outbreaks and alterations to leaf abundance and bloom.