Articles on Ecosystems

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In 20 years of studying how ecosystems absorb carbon, here’s why we’re worried about a tipping point of collapse

As climate change pressures intensify, ecosystems may lose their ability to bounce back from disasters.
Mistletoes parasitising African locust bean trees in Amurum Forest Reserve. Abidemi Raji

Mistletoes, locust bean trees and birds work together in Nigeria’s forest ecology

Reforestation programmes should consider the parasitic relationship between mistletoes and their hosts and their ecological benefits for bird diversity.
Mosquito eggs float on the surface of a pond. The insecticide Bti is used to kill mosquito larvae, but it could also harm frogs. (Shutterstock)

Are mosquito‑killing natural pesticides unintentionally harming frogs?

The insecticide Bti kills target organisms like mosquitoes and blackflies, but new research shows it may also have negative effects on non-target species like frogs.
South Africa has an impressive record of marine biological research in protected areas, but the country needs to pay greater attention to the human aspects. Doug Lang

Protected marine areas should serve nature and people: a review of South Africa’s efforts

The social, ecological and governance objectives of marine protected areas need to be understood to enhance benefits to both people and the environment.
Environmental DNA is a promising tool for tracking species in freshwater ecosystems like Oregon’s Elkhorn Creek. Greg Shine, BLM/Flickr

Scientists at work: We use environmental DNA to monitor how human activities affect life in rivers and streams

Rivers are among the most embattled ecosystems on Earth. Researchers are testing a new, inexpensive way to study river health by using eDNA to count the species that rivers harbor.
Coprophanaeus lancifer, a large seed-disperser dung beetle in the Amazon. Hannah Griffiths

Counting mammals, birds and dung beetles could be vital for saving the Amazon

We know surprisingly little about the millions of animals, plants and birds that live in the Amazon – here’s how we can understand them better.

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