Sentences with phrase «ecosystem collapse on»

Not exact matches

As soon as HBO is $ 10 on the side, the rest of the revenue and ecosystem starts to collapse,» he says.

For years, scientists studying lakes and other ecosystems have predicted collapses before they happen, using long - term data on environmental factors and population health.

Ecologists have long known that drought can stimulate this type of attack on plants, he said, but they mostly discounted it as a secondary stress and not a main cause of ecosystem collapse.

The scientists say these findings reinforce the need for assessing the risk of a wide - scale collapse of reef ecosystems, especially if global action on climate change fails to limit warming to 1.5?

«We know the collapse of Atlantic cod wreaked havoc on marine ecosystems, but we know very little about the ways most species» ecologies relate to stability.

«Ecosystems don't collapse; they shift from one steady state to another, and that's simply what happened here on Rapa Nui,» says Jut Wynne, an ecologist at Northern Arizona University's Merriam - Powell Center for Environmental Research.

Today, we need look no further than the New Jersey - size dead zone that forms each summer in the Mississippi River Delta, or the thousand - mile - wide swath of decomposing plastic in the northern Pacific Ocean to see that this «dilution» policy has helped place a once flourishing ocean ecosystem on the brink of collapse.

This book presents a series of essays on the application of plant biodiversity monitoring and assessment to help prevent species extinction, ecosystem collapse, and solve problems in biodiversity conservation.

Knowledge of these thresholds is key to the sustainable management of ecosystems and to anticipating irreversible changes and / or ecological collapse,» wrote Alfredo Huete, a researcher at the University of Sydney in Australia, in an accompanying commentary on the study in Nature.

The journey takes Weidensaul to the coastal communities of Newfoundland, where he examines the devastating impact of the Atlantic cod fishery's collapse on the ecosystem; to Florida, where he charts the virtual extinction of the great wading bird colonies that Peterson and Fisher once documented; to the Mexican tropics of Xilitla, which have become a growing center of ecotourism since Fisher and Peterson's exposition.

- our almost - total inability as a species to calculate said risks, and what that deficiency means for the rest of the list - ocean degradation and ecosystem collapse, i.e. losing the things that we rely on, as well as causing irrevocable harm to a world we can't just create anew - rising GHG levels - water quality and availability across the globe - ensuring our communications networks are sustainable, which probably falls under the wider umbrella of energy - the fact that we are still unable to provide basic food, shelter, medicine and education to billions as it is, without the additional stresses of what the future may bring

If the impact of such a change is on the resilience rather than the productivity of the system, the damage may not be evident until much later, when the ecosystem collapses for a seemingly unrelated cause.

Scientists are learning to study (study of ecosystem collapse in a North American lake) these changes and pushing for action to protect ecosystems both as the home to some of the planet's most threatened species and to give human beings a sustainable future on the planet too.

In the Arctic, the tipping points identified in the new report, published on Friday, include: growth in vegetation on tundra, which replaces reflective snow and ice with darker vegetation, thus absorbing more heat; higher releases of methane, a potent greenhouse gas, from the tundra as it warms; shifts in snow distribution that warm the ocean, resulting in altered climate patterns as far away as Asia, where the monsoon could be effected; and the collapse of some key Arctic fisheries, with knock - on effects on ocean ecosystems around the globe.»

We learned that bird populations in the North Sea collapsed last year, after the sand eels on which they feed left its warmer waters - and how the number of scientific papers recording changes in ecosystems due to global warming has escalated from 14 to more than a thousand in five years.

quality, and carbon emission (e.g., Adams, 2013), before the gradual increase of surface temperature crosses the threshold for abrupt ecosystem collapse (more discussion in the section on Ecosystem Collapse and Rapid State Changecosystem collapse (more discussion in the section on Ecosystem Collapse and Rapid State Changecollapse (more discussion in the section on Ecosystem Collapse and Rapid State ChangEcosystem Collapse and Rapid State ChangeCollapse and Rapid State Change below).

Using simulation models that account for the impact of increased atmospheric carbon dioxide concentrations on temperature and precipitation in the region, scientists at the Hadley Center for Climate Prediction and Research in the UK have forecast significant «die - back» of the Amazon rain forest by mid-century and a virtual collapse of the ecosystem by 2100.

The current trajectory of biodiversity loss and ecosystem collapse is being driven by cutting down forests, over-fishing, chemical pollution, soil degradation and erosion, habitat destruction, desertification and so on.

Ecosystems are at a tipping point, verging on a collapse from which they won't recover.

America's Most Endangered Rivers of 2009 are: # 1: Sacramento - San Joaquin River System (CA) Threat: Outdated water and flood management The largest watershed in California is on the verge of collapse, threatening the water supply for more than 26 million people, placing the capital of the nation's most populous state at high risk of flooding, and damaging a once productive and healthy ecosystem that supported the nation's most diverse salmon runs.

My impression from looking at the conference material is that it was indeed more or less what you would expect four years on from the 2001 IPCC report, with two very large exceptions: The potential collapse of the West Antarctic Ice Sheet (= 5 meter sea level rise) and ocean acidification (= partial ocean ecosystem collapse with a subsequent cascade of potential side effects that practically defy description).

But even today, long after Mt.Gox collapsed and the trading ecosystem is significantly more diverse, Karrer believes the heavy reliance on centralized exchanges is problematic.