Tag: Invasive species

  • Nation & World

    Tracking an invasive ant species to its native land

    Waring Trible’s research took him to Southeast Asia to unravel the origin story of the clonal raider ant, an invasive species found in various parts of the world.

    7 minutes
    Buck Trible.
  • Nation & World

    Searching for answers in what lemurs leave behind

    Harvard College senior Camille DeSisto’s love of the environment took her around the world to Madagascar’s tropical forests.

    5 minutes
    Harvard College graduate Camille DeSisto
  • Nation & World

    Wielding chainsaws for science

    A collaboration between the Arnold Arboretum and the U.S. Forest Service has the two organizations, which typically fight tree pests, rearing wood-boring beetles for science.

    5 minutes
  • Nation & World

    The high costs of imported pests

    Scientists from Harvard Forest joined a group of experts calling for new regulations and stepped-up surveillance to stem a flood of invasive forest pests whose costs are borne by U.S. homeowners, cities, and towns.

    6 minutes
  • Nation & World

    Rapid-fire evolution

    Faced with stiff competition from an invading species, a Harvard study has found that green anoles evolved larger toe pads equipped with more sticky scales to allow for better climbing in just 20 generations over 15 years.

    3 minutes
  • Nation & World

    Study of lizards shows trade as a force in biodiversity

    New research shows that trade is one of the major drivers of biodiversity among lizard species in the Caribbean islands.

    3 minutes
  • Nation & World

    An invasion of New England

    While new species naturally expand to other places and sometimes disrupt the scene when they arrive, the pace of introduction of invasive species has picked up enormously over the past century and a half, stressing and transforming New England forests.

    5 minutes
  • Nation & World

    Woods, yes, but as before, no

    The stunning regrowth of New England forests over the past century marks a conservation victory, but an Arnold Arboretum forest expert says there’s no turning back the clock to pre-colonial times. Today’s forests are a blend of native New England plants and invasive species, growing on a human-altered landscape.

    4 minutes
  • Nation & World

    Getting genetic leg up on climate change

    Harvard botanist Charles Davis is examining evolutionary relationships between species affected by climate change for clues to past and future changes.

    4 minutes
  • Nation & World

    Understanding the deadly deathcap

    Biology Professor Anne Pringle is taking the study of one of the world’s most poisonous mushrooms out of the realm of adventure stories and into the world of ecology, in an attempt to better understand how it spreads.

    4 minutes