Discover stories in Invasive Species
Recovery: Mending Point Reyes, a Park Impaired by Invasive Mammals
Point Reyes National Seashore is recovering from an unusual invasive threat: non-native deer. Ted Williams reports.
Unraveling the Mystery of the Western Sycamores that Weren’t
The problem? As trees in some of their restoration sites grew to maturity, they didn’t look like the native western sycamores the scientists were sure they had planted.
Recovery: The Miracle on Palmyra
Palmyra Atoll has recovered from many calamities, but it couldn’t recover from rats. Can a dying ecosystem be brought back to life? Ted Williams reports.
Can Helicopter-deployed Toad Sausages Save Australia’s Northern Quoll?
Australian scientists are teaching endangered northern quolls to avoid deadly cane toads by feeding them toad sausages laced with nausea-inducing chemicals. Yes, really.
Greatest Threat to the Everglades? Maybe Not Pythons
A deceptively deadly invasive species is slithering its way through the Florida Everglades, threatening the entire ecosystem. But it’s not a python.
Island Mongoose: Conservation Villain or Scapegoat? Or Both?
When the mongoose was introduced to islands, it ate everything. That's how the invasive species story goes, right? But is it possible it's more complicated than that?
Logging Ash to Save Hemlocks
The preserve was established specifically to protect trees from logging. But what happens when waves of forest pests are going to kill trees anyway? What if logging one tree could help save another? What trees live and what trees die? Welcome to forest conservation decisions, 2014 edition.
Can Integrated Pest Management Save the Eastern Hemlock?
Around the eastern US, hemlocks are dying. Fast. Can anything save them? Some hopeful answers emerge from a Pennsylvania forest preserve.
Change Comes to the Eastern Forest: Five-Part Series Begins Today
Woodbourne Forest Preserve in north-central Pennsylvania was to remain pristine and free of human management. Free of human management, that is, unless there were extraordinary, unforeseen circumstances. Those extraordinary circumstances are here. Welcome to forest conservation in the Anthropocene.
Nilgai: Blue Antelope of the Anthropocene
Once the nilgai roamed expansive Indian plains as it avoided stalking tigers. A creature of wilderness. Today, you're more likely to find it in sprawling cities, or galloping along a Gulf Coast seashore. A creature of the Anthropocene.
Eurasian Collared Dove: Have You Seen This Bird?
Thirty years ago, non-native Eurasian collared doves were starting to show up in South Florida. Today, this species is being documented across North America. How citizen scientists help document the spread of a non-native species.
Scuba Divers Provide Non-Chemical Weed Control on Wisconsin Lake
Eurasian watermilfoil, meet your worst enemies: scuba divers and snorkelers. A chemical-free, cost-effective method of aquatic weed control offers promising results on a Wisconsin lake.