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Ecology Feb 19, 2025

Resilient algae darken glacier surface and may speed up Greenland ice melt, study finds

Glaciers are huge white ice masses that can reflect a lot of sunlight. However, especially where the glaciers are not covered in snow and the bare ice is exposed, they sometimes have dark patches. These are microscopic algae ...

Ecology Feb 7, 2025

Tracking algae species interactions to help predict harmful algae blooms

Harmful algal blooms, sometimes called HABs, occur when algae grow out of control. Algae are photosynthetic organisms that mostly live in water and rely on the sunlight for energy. Because of climate change, the frequency ...

Cell & Microbiology Feb 6, 2025

Volcanic hot springs-dwelling algae reveal photosynthetic insights

Italy's Phlegraean Fields is a hotspot of volcanic activity—an ever-shifting landscape pocketed with acidic hot springs. This huge caldera is a part of the Campanian volcanic arc, which includes Mount Vesuvius, whose eruption ...

Planetary Sciences Jan 2, 2025

HYPSO-2 satellite monitors harmful algae from space

It's slightly larger than a 5-liter water bottle, and is whizzing around the Earth at a speed of 7.5 kilometers per second. The satellite has two cameras built into its body, and can be controlled quickly and turned smoothly ...

Ecology Dec 19, 2024

Hidden threats: DNA testing reveals toxic algae in Queensland's Hervey Bay

Extensive genetic testing in Queensland's environmentally rich Hervey Bay coastal area has revealed the presence of toxic algae not detected in Australian waters before. The study is published in Marine Pollution Bulletin.

Ecology Dec 11, 2024

Vanishing sea ice threatens polar food chain

Rapid sea ice loss and ocean acidification from climate change are altering the growth and nutritional value of microscopic algae. These algae are an essential food source for fish, krill, and other small organisms that sustain ...

Cell & Microbiology Dec 6, 2024

Interdisciplinary research reveals impressive adaptation mechanisms of microscopic algae

Researchers from the University of Jena and the Leibniz Institutes in Jena have published new findings on the adaptability of the microalgae Chlamydomonas reinhardtii. The interdisciplinary study, largely carried out by scientists ...

Environment Nov 20, 2024

Madagascar's huge ocean algae bloom was caused by dust from drought-stricken southern Africa

Scientists have found new evidence that desertification, potentially linked to global warming, leads to large amounts of nutrient-rich dust landing in the sea, causing ocean algae to grow rapidly. Biological oceanographer ...

Ecology Nov 18, 2024

When marine algae get sick: How viruses shape microbe interactions

By looking at the tiniest virus-infected microbes in the ocean, researchers are gaining new insights about the marine food web that may help improve future climate change predictions. The new study, co-authored by Wake Forest ...

Plants & Animals Nov 12, 2024

Young coral use metabolic tricks to resist bleaching, research reveals

Coral larvae reduce their metabolism and increase nitrogen uptake to resist bleaching at high temperatures, according to a study published November 12 in the open-access journal PLOS Biology by Ariana S. Huffmyer of the University ...

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