Sentences with phrase «marine ecosystems if»

Not exact matches

If the Texas company's plan for expanding its Trans Mountain pipeline linking Edmonton to Burnaby, B.C., is completed, the risk of irreparable damage to Burrard Inlet and Vancouver's entire marine ecosystem would rise to a high level.

«This was the first time our teams used PSAT, a technology generally deployed on marine animals and rarely, if ever, used in a freshwater ecosystem,» said Dr. Andy Kough, research biologist at Shedd Aquarium.

«We can't protect our own ecosystem if we're not protecting Cuba's,» said Fernando Bretos Trelles, director of the Ocean Foundation's Cuba Marine Research Conservation Project, which has facilitated collaborative research between U.S. institutions and the University of Havana and the Cuban Ministry of Science Technology and Environment since 1998.

Unsustainable aquaculture practices, overfishing and destructive harvesting threaten coastal and marine ecosystems, with projections that, if current fishing practices continue, there will be no exploitable fish stocks in the region by 2048.

One project helps communities to define and illustrate their own «human ecology» so that if contaminants are detected locally in marine ecosystems, the communities will have a better basis for knowing whether and how to react in self - protection.

And if selective fishing is bad for a single fish stock, it's even worse for marine ecosystems.

John Beddington, professor of population biology at Imperial College, London, says that if fishing continues at today's levels, marine ecosystems will be radically altered, becoming less biologically diverse.

While the challenges may be greater than ever, at least now our oceans are getting some long - overdue attention; only time will tell if we took action in time to stave off a global collapse of marine ecosystems.

Ainley says the newly designated vulnerable marine ecosystems are «relative pin - pricks» and it's not clear if this represents progress in establishing the marine protected areas that Antarctica desperately needs.

«Furthermore, it is not clear to me that there is a technologically feasible way of actually doing this, and even if you could do it, the direct negative consequences of reducing the amount of sunlight available to marine ecosystems could be huge.»

What if we have to manage without the benefits that Emiliania huxleyi has for the marine ecosystem?

RE # 39 (sorry for being off - topic), there are still more threats to plankton from GW, according to a NATURE article just out («Decline of the marine ecosystem caused by a reduction in the Atlantic overturning circulation,» Schmittner, Vol 434 No 7033, Mar 31, p. 628): If the Atlantic ocean conveyor is disrupted due to freshwater entering, then the nutrients for plankton will not be churned up, perhaps reducing plankton by half.

«The paper reports that even if humans limit the Earth's warming to 2 degrees C (3.8 degrees F), many marine ecosystems, including coral reefs, are still going to suffer,» Mark Eakin, NOAA Coral Reef Watch coordinator and a study coauthor, said.

More ominously, the scientists warn that, «If we do nothing, endocrine disruptors may not only impact on human health but all the ecosystems including those on which we depend — if we compromise soil productivity and sustainability of our agricultural systems or cause imbalance in marine and freshwater ecosystems through damage to populations of top predators, ultimately, we threaten our own survival.&raquIf we do nothing, endocrine disruptors may not only impact on human health but all the ecosystems including those on which we depend — if we compromise soil productivity and sustainability of our agricultural systems or cause imbalance in marine and freshwater ecosystems through damage to populations of top predators, ultimately, we threaten our own survival.&raquif we compromise soil productivity and sustainability of our agricultural systems or cause imbalance in marine and freshwater ecosystems through damage to populations of top predators, ultimately, we threaten our own survival.»

If maintaining a small aquatic ecosystem is difficult in the freshwater realm, it is next to impossible in the marine world.

Ocean acidification could devastate coral reefs and other marine ecosystems even if atmospheric carbon dioxide stabilizes at 450 ppm, a level well below that of many climate change forecasts, report chemical oceanographers Long Cao and Ken Caldeira of the Carnegie Institution's Department of Global Ecology in the journal Geophysical Research Letters.

Our work on the science of marine reserves suggests that many marine ecosystems can indeed rebound from serious disruption and depletion if they are protected from extractive and destructive activities (that's what a marine reserve does).

Measures to improve the resilience of marine ecosystems have been proposed, but these can only be effective in the long run if serous reductions in carbon dioxide emissions are achieved.»

Further climate change is expected to intensify these effects on North Sea plankton, cod, and marine ecosystems.7 By 2100, scientists estimate that average world sea surface temperatures could rise as much as 5.4 ° F (3 ° C) if our heat - trapping emissions continue unabated.13, 14

The Intergovernmental Panel on Climate Change (IPPC) notes that climate change, if not tackled, will have a severe negative impact on global water supply, agricultural yields, marine ecosystems and the spread of vector - borne diseases, and could result in the displacement of thousands of people from coastal cities and small islands (Kenya climate change action plan).

«In this paper we restate something that should be obvious, if we set up a marine protected reserve where nature can reaffirm itself, it will be good for the [larger] ecosystem,» he said.

Query, if CO2 increased terrestrial vegetative growth, does it have an impact on algae growth in the far more important marine ecosystems.

They highlight the need to understand the relative importance of how these factors interact in relation to each other, and urge that simultaneous action at local, regional and global scales is needed if we are to halt the damage being done to Antarctica's unique marine ecosystem.

If these ideas hold water then it will be necessary to revisit long - cherished concepts in marine ecology that suggest that removal of higher order predators would have a beneficial effect on ecosystem productivity.

If you hope to promote a more thoughtful dialogue, perhaps you should start with an introduction that states your premise that the changes that are now occurring (most evident, but not restricted to, the arctic, boreal and marine ecosystems) are due primarily to natural variability.

If you want a quick overview of all the impacts that the BP oil spill has had (and is having) on the entire marine ecosystem, from the ocean floor to the air above the surface, look no

If you want a quick overview of all the impacts that the BP oil spill has had (and is having) on the entire marine ecosystem, from the ocean floor to the air above the surface, look no further than NRDC's new Go Below the Surface of the Gulf Oil Disaster interactive graphic.

See if you think that marine ecosystems look threatened by that little red blip on the ocean's surface.