Sentences with phrase «ocean food chain»

«Marine ecosystems everywhere to the north will be increasingly starved for nutrients, leading to less primary production (photosynthesis) by phytoplankton, which form the base of ocean food chains.»

Though familiar to humans as an antiseptic, high levels of H2O2 can inhibit the growth of phytoplankton, tiny plants that are the base of many ocean food chains.

After studying population changes in 154 species of fish worldwide over 60 years, Pinsky was surprised to see marine equivalents of rabbits and mice collapsing to low levels — still shy of extinction but serious enough to disrupt ocean food chains or fishing - based societies.

And it increases the amount of light reaching Arctic surface waters, spurring the growth of phytoplankton, tiny organisms that form the base of the Arctic ocean food chain.

That study focused on seabirds, but now my co-authors and I have found that plastic trash has a similar effect on anchovies — a critical part of ocean food chains.

Concentrations of selenium, a vital element for many organisms at the base of today's ocean food chain, dropped substantially in seawater in advance of three of Earth's largest die - offs, a new study suggests.

Bacteria near the surface help shuttle nitrogen into the ocean food chain by converting or «fixing» atmospheric nitrogen into forms that phytoplankton can use.

That's because the dogfish, a type of shark, sits high in the ocean food chain and therefore accumulates mercury from the smaller fish it eats.

Due to their voracious appetites and their place at the top of the ocean food chain, orcas are very susceptible to pollution and chemicals

Sharks are at the top of the ocean food chain, Meyer noted, making them an important part of the marine ecosystem, and knowing more about these fish helps scientists better understand the flow of energy through the ocean.

On average, researchers estimate that surface waters, where key players in the ocean food chain live, have seen a 0.1 decrease in pH since the beginning of the Industrial Revolution; that's an extraordinarily rapid 30 % increase in acidity.

To see whether the regional emissions reductions were having an effect on fish at the top of the ocean food chain, researchers from Stony Brook University, the University of Massachusetts and Harvard University collected and analyzed tissue samples from nearly 1,300 Atlantic bluefin tuna captured between 2004 and 2012.

Phytoplankton might be too small to see with the naked eye, but they are the foundations of the ocean food chain, ultimately capturing the energy that sustains the seas» great beasts such as whales.

Some viruses attack and kill plankton, eliminating the base of the ocean food chain in a particular area.

These biotoxins can bioaccumulate in the ocean food chain, sickening or killing higher - order animal consumers and tainting fisheries and shellfisheries used by humans.

He shows how toxins at the bottom of the ocean food chain find their way into our bodies, with a shocking story of toxic contamination from a Japanese fish market.

Source: Lyman 2010 The reaction of the oceans to climate change are some of the most profound across the entire environment, including disruption of the ocean food chain through chemical changes caused by CO2, the ability of the sea to absorb CO2 being limited by temperature increases, (and the potential to expel sequestered CO2 back into the atmosphere as the water gets hotter), sea - level rise due to thermal expansion, and the amount of water vapour in the atmosphere.

Phytoplankton are at the base of the ocean food chain.

Sardines eat plankton and are at the bottom of the ocean food chain.

Read aloud or ask students to read about the Ocean Food Chain Arrange younger students into groups, provide each group with templates representing one part of the food chain, construction paper, crayons, and scissors, and ask them to create that segment of the food chain.

Food chain, food chains, food web, food webs, garden food chains, ocean food chains, energy, producer, consumer, secondary, primary, predator, prey, carnivore, growth, repair, movement, reproduction, feeding relationships, ecology.

At one end of the oceans food chain, filter feeders mistake the plastic suspension for fish eggs and krill.

Plankton, the tiny organisms at the bottom of the ocean food chain that so much of marine life depends on, drift with the ocean currents, but sometimes come together in dense patches under the surface that can later rise to the surface as red tides.

Ocean food chains are pretty much nutrient limited, especially in things like iron and copper.

Also predictable is that we can anticipate sea level rising by meters per century for centuries to come, and that the base of the ocean food chain will be drastically changed and probably reduced by ocean acidification.

Disruptions to the food supply (Including the ocean food chain) and access to clean water would be the more significant.

Acidification and warming are likely to interact: Acidification, for example, weakens the ability of coral reefs to recover from bouts of bleaching caused by warm ocean temperatures and might also harm other species near the base of the ocean food chain.

See how the effects of global warming in the North Sea ripple up the ocean food chain — and find other hot spots where sea life is at risk on the Climate Hot Map.

These include increased production of nitrous oxide and methane, unintended changes in the plankton that could result in production of toxic blooms and effects on the ocean food chain.

Plastic is now entering every level of the ocean food chain and is even ending up in the seafood on our plates.

These and creatures like them are at the base of an ocean food chain, and they are already seriously damaged.

There's no mystery to the fact that phytoplankton feeds zooplankton (call them copepods if you like), which in turn feeds larger species and so on up the ocean food chain.

Less ice cover leads to more solar heating throughout the Arctic Ocean, and ocean photosynthesis increases as more light penetrates into the water, ultimately resulting in «changes at the base of the ocean food chain,» according to the video.

Source: Lyman 2010 The reaction of the oceans to climate change are some of the most profound across the entire environment, including disruption of the ocean food chain through chemical changes caused by CO2, the ability of the sea to absorb CO2 being limited by temperature increases, (and the potential to expel sequestered CO2 back into the atmosphere as the water gets hotter), sea - level rise due to thermal expansion, and the amount of water vapour in the atmosphere.

However, less discussed is the fact that the base of the ocean food chain — Phytoplankton — is in decline.

Some of these animals may be small, such as phytoplankton, but they form the base of the ocean food chain and are critically important for overall ocean health.

Not only does this increasing acidity threaten the ocean food chain by hampering the formation of shells and corals, it could also affect the communication of marine mammals by changing the way sound travels through the seawater.

Of far greater concern than corals in particular is the ocean food chain in general, because while acidification will probably result in more oceanic dead zones as the amount of CO2 goes up and the amount of oxygen falls, if you kill off the plankton and pteropods that use carbonate to make their shells, then you kill off the food supply for the vast majority of higher organisms (like mollusks, fish, and even marine mammals).