Ecosystems
The Amazon is in trouble. Here’s why — and why it matters
Challenges from human-caused climate change, deforestation and degradation leave the fate of this vast forest uncertain.
By Nikk Ogasa
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Challenges from human-caused climate change, deforestation and degradation leave the fate of this vast forest uncertain.
Marine ecosystems may have been back in action just a million years after the most severe extinction event known.
Wildfires are so important for many ecosystems that sometimes professionals set them on purpose.
But the same thing is not happening throughout the kingdom. For instance, more than half of vertebrate populations are stable or increasing.
Vampire spiders get their meals from blood-filled Anopheles mosquitoes. But if those insects disappear, the spiders will likely adapt.
Amphibian deaths from a fungal disease may have led to more mosquitoes — and an increase in malaria cases in Costa Rica and Panama.
Some parasites turn their victims into mindless puppets that do the parasites’ bidding, even at the cost of their own lives.
Researchers in Brazil’s Atlantic Forest stumbled onto something very strange. They watched as animals “doctored” themselves with products from a tree.
Parasites get a bad rap as disease-causing, unwelcome guests on other organisms. But parasites are also imperiled, and scientists don’t want to lose them.
Camera footage reveals that moths make roughly a third of the visits to red clover, working under the cover of night.