A capybara in the Iberá Wetlands (Esteros del Iberá) of northeast Argentina.
The swamp has not yet been drained everywhere.
Beavers dramatically change a landscape by building dams that create ponds of still water.
Jerzy Strzelecki/Wikimedia Commons
Restoring entire ecosystems is a difficult and expensive process. Thankfully, certain species, called ecosystem engineers, can make restoration easier. Gaining social and political support is critical too.
A mangrove seed at Nxaxo estuary on South Africa’s Wild Coast.
Mangroves support a significant amount of biodiversity and their soils can capture a great deal of carbon.
A raccoon with a fish at the Corkscrew Swamp Sanctuary in Naples, Fla.
Michael Siluk/UCG/Universal Images Group via Getty Images
The US Supreme Court opens its 2022-2023 term with a case that could greatly reduce federal protection for wetlands. Here is what makes these ecosystems valuable.
Wetlands like this one in California’s Morro Bay Estuary shelter fish, animals and plants and help control flooding.
Citizen of the Planet/UCG/Universal Images Group via Getty Images
The Supreme Court opens its 2022-2023 session with a high-profile case that has major implications for both wildlife and landowners.
Some development projects skip environmental impact assessments.
Pius Utomi Ekpei/AFP/Getty images
Nigeria’s Environmental Impact Assessment Act is not protecting the environment enough and citizens need to get involved.
The round goby is an invasive fish that has become established in the St. Lawrence River over the past two decades, following its introduction into the Great Lakes.
Wetlands can help limit the spread of the voracious round goby, an invasive species that has infiltrated the Great Lakes and has become widespread in the St. Lawrence River.
A bridge and road submerged by floodwaters from the North Fork of the Kentucky River in Jackson, Kentucky, July 28, 2022.
Leandro Lozada/AFP via Getty Images
As recent deluges in St. Louis and Kentucky show, flash flooding can happen in urban and rural areas, with deadly results in either setting.
The population of western chorus frogs has been declining over the past 60 years and continues to be an issue across Canada.
Habitat protection and restoration, advanced reproductive technologies and reintroduction procedures could help slow the decline of western chorus frogs and other amphibians.
Avalon Marshes wetland, in Somerset, England.
IanRedding / shutterstock
Somerset Wetlands national nature reserve merges and extends six existing protected sites.
Wetlands in Accra have become popular targets for developers.
Accra has become susceptible to floods due to encroachment on wetlands.
Satellite image of the Irrawaddy River delta in Myanmar, a major rice growing area.
European Space Agency
Millions of people around the world live on river deltas and are vulnerable when those rivers shift direction. A new study shows why and where these events, called avulsions, happen.
An abandoned forest road that has become impassable due to the washout of the culvert fill. The beaver dam has also contributed to road erosion.
(Forest Hydrology Laboratory of Université Laval)
By mismanaging its forestry road system, Québec and the forestry companies operating in public forests have made significant savings, to the detriment of protecting aquatic environments.
Cherax destructor; the common yabby.
New research investigating the yabby diets found just how crucial these crayfish are to aquatic ecosystems.
These wetland birds were eradicated in the 17th century, but breeding pairs returned in 1979.
Wetlands created by beavers, like this one in Amherst, Massachusetts, store floodwaters and provide habitat for animals and birds.
Beavers in our landscapes have great potential to provide small-scale adaptations to climate change – if humans can figure out how to live with them.
A unique design-science collaboration turns ecological data into an immersive digital portrait of a precious wetland.
In spite of monsoon season and cyclone Nivar, the most recent floods are largely man-made disasters.
Pius Utomi Ekpei/AFP via Getty Images
The presence of a vulnerable species in Ekor Waterfalls, Nigeria, is a signal that the area could support other rare or threatened species.
A pygmy cormorant enjoys the restored delta ecosystem in Mahmudia, Romania.
Mahmudia became a wasteland under dictator Nicolae Ceaușescu’s communist agricultural policy. But villagers fought to resurrect their home and reconnect with the wilderness.