Roads can present big problems for wildlife by severing populations, degrading and fragmenting habitat, opening up wildnerness to poachers, and directly killing animals that stray into the paths of oncoming vehicles. A new study published late last week in Science looked into the extent of roads, finding they have effectively divided the planet’s surface into 600,000 fragments.
Of these, the researchers found only 7 percent are larger than 100 square kilometers, and half are smaller than one square kilometer. The authors found that of these last-remaining large fragments, just 9 percent are officially protected. -Mongabay
Tropical Conservation Fund