Search results for seagrass

Plants & Animals May 30, 2023

Study reveals widgeongrass has replaced eelgrass as the dominant seagrass species in Chesapeake Bay

Mangroves are growing in areas historically dominated by salt marshes and oyster reefs. Invasive pacific oysters are replacing native blue mussels in the Wadden Sea. Macroalgae are exhibiting dominance over hard corals in ...

Plants & Animals May 29, 2023

What causes decline of tropical seagrass meadows?

Seagrass, a group of aquatic angiosperms, grows in shallow waters in the coastal sea and contributes most of the primary production while participating in many important ecological processes. Heat stress threatens the survival ...

Environment May 27, 2023

From mangroves to fjords, coastal ecosystems can take up or emit greenhouse gases. But globally, they're a vital sink

Coastal ecosystems can absorb or emit the three main greenhouse gases: carbon dioxide, methane and nitrous oxide.

Earth Sciences May 23, 2023

Coastal ecosystems are a net greenhouse gas sink, new research shows

A new greenhouse gas budget shows coastal ecosystems globally are a net greenhouse gas sink for carbon dioxide (CO2) but emissions of methane (CH4) and nitrous oxide (N2O) counteract some of the CO2 uptake, according to international ...

Plants & Animals May 18, 2023

Climate change to push species over abrupt tipping points, finds study

Climate change is likely to abruptly push species over tipping points as their geographic ranges reach unforeseen temperatures, finds a new study led by a UCL researcher.

Plants & Animals May 4, 2023

Gutless marine worms on a Mediterranean diet: Animals can synthesize phytosterols

Cholesterol and phytosterol are sterols, fatty compounds essential for many biological processes such as the functioning of cell membranes. Up to now, it has been assumed that phytosterols are characteristic for plants, and ...

Plants & Animals May 4, 2023

Marine seagrass meadows show resilience to 'bounce back' after die-offs

In Florida alone, thousands of acres of marine seagrass beds have died. Major seagrass die-offs also are occurring around the world. Stressors such as high temperature, hypersalinity and hypoxia or lack of oxygen affect seagrasses' ...

Ecology Apr 27, 2023

New seascape information resource to help in the fight against climate change

A new resource launched this week aims to build a complete picture of action being taken along the South Coast to help combat the effects of climate change.

Ecology Apr 27, 2023

Deadly invader devastating Venezuelan coral reefs

An ominous shadow in the turquoise Caribbean waters off Venezuela comes from a deadly intruder—a soft coral that experts say has caused one of the most destructive habitat invasions on record anywhere.

Environment Apr 19, 2023

El Niño is coming, and ocean temps are already at record highs. That can spell disaster for fish and corals

It's coming. Winds are weakening along the equatorial Pacific Ocean. Heat is building beneath the ocean surface. By July, most forecast models agree that the climate system's biggest player—El Niño—will return for the first ...

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