Post Tagged with: "species"

Video: mountain species, climate change, and the escalator effect

Video: mountain species, climate change, and the escalator effect

Mountains are especially vulnerable to climate change, so scientists are keeping a close watch on species such as the American pika (Ochotona princeps). This small mammal, which resembles a hamster and is a relative of the rabbit, lives in alpine and subalpine terrain across Western North America. Although relatively widespread and usually found in protected […]

Viewing biodiversity through the ecoregional lens

Viewing biodiversity through the ecoregional lens

The Nature Conservancy’s Atlas of Global Conservation is a fabulous resource for understanding biological diversity. Scientists have divided up the world into more than 1,000 ecoregions and analyzed how they compare across dozens of measures. I’ve used data from TNC’s atlas to create a slide deck that illustrates patterns in species richness and threats to […]

Hawaii, West and South have most at-risk species

Hawaii, West and South have most at-risk species

The United States boasts the greatest diversity of ecosystems of any country and it’s home to more than 200,000 species. But about one-third of U.S. plants and animals are considered at risk by biologists, and at least 500 U.S. species are already extinct or missing. How do the 50 states compare in terms of number […]