Sentences with phrase «algal populations»

This suggests a potential positive feedback loop wherein a warming climate supports larger algal populations, larger algal populations provide more organic matter to support more methane production, and a portion of the methane produced escapes to the atmosphere, where it functions to further warm climate.

So when algal populations explode, say, because of warming water, domoic acid concentrations increase in these animals to a point that they affect the sea lions that feast on them.

On one of La Chalupa's first missions, in 1972, scientist - aquanauts surveyed nutrients and bottom sediments and described algal populations, identifying some 30 new species.

«Daphnia are the principle grazers in freshwater ponds, keeping algal populations in check,» Palkovacs explained.

The authors found the ice sheet reflected significantly less light as the algal population grew.

Not exact matches

Biologists have long known that toxins produced by algal blooms — exploding populations of minute, marine algae — can accumulate in shellfish that graze on them.

They considered all the main issues affecting penguin populations including; terrestrial habitat degradation, marine pollution, fisheries bycatch and resource competition, environmental variability, climate change and toxic algal poisoning and disease.

The domino effect of changes resulted in not only algal blooms and detrimental changes to the Arctic Char fish population, but also points to a near certain future of summer ice - free conditions.

Influence of physical forcing on planktonic ecosystems and elemental cycling; mesoscale ocean dynamics; primary production; coastal circulation; zooplankton population dynamics; harmful algal blooms; numerical modeling and data assimilation.

At certain times and under certain conditions, some dinoflagellate species and other algal species can undergo population explosions called blooms, sometimes in response to human - caused pollution.

Algal blooms can reduce the ability of fish and other aquatic life to find food and can cause entire populations to leave an area or even die.

The Effects: Environment Algal blooms can reduce the ability of fish and other aquatic life to find food and can cause entire populations to leave an area or even die.

For example, a lack of healthy zooplankton populations can trigger harmful algal blooms.

A new report from the International Union for Conservation of Nature says ports and trade hotspots in the United States need to do more to detect and respond to foreign invaders like the quagga.Quaggas have transformed the Great Lakes ecosystem, outcompeting native species, harming fish populations, clogging up drinking water intake pipes and helping fuel toxic algal blooms.