Sentences with phrase «major changes in ecosystem»

Considerable amounts will disappear, causing major changes in ecosystem structure and in human impacts.

keystone species a species that has a central servicing role affecting many other organisms and whose demise is likely to result in the loss of a number of species and lead to major changes in ecosystem function

The most recent report concluded both, that global temperatures are rising, that this is caused largely by human activities and, in addition, that for increases in global average temperature, there are projected to be major changes in ecosystem structure and function with predominantly negative consequences for biodiversity and ecosystems, e.g. water and food supply.

Not exact matches

Citibank's Global Head for Payments & Receivables, Manish Kohli spoke with Global Finance Editor Andrea Fiano on the sidelines of Sibos 2017 regarding the major technological changes underway in the global payment ecosystem and Citi's plan to emerge on top.

The two major dams, the Hoover Dam near Las Vegas and the Glen Canyon Dam below Lake Powell in Utah, have had major effects on wildlife and fish in the Colorado River, altering their natural ecosystems, drowning their habitat, and changing the temperatures of the waters in which they evolved.

Some say it could mark the first major change in the Arctic ecosystem due to climate change.

A sudden halt to the use of such methods, due to issues such as major negative effects, would also lead to rapid climate change, to which ecosystems and societies would have difficulty in adapting.

Logging and other land - use changes are a major cause of soil carbon release, but there has been recent interest to further understand soil carbon dynamics in forested ecosystems after logging.

Throughout his career, he has made major contributions to our understanding of worldwide changes in ecosystems, land use and climate, and global food security.

Mountain ecosystems are experiencing a major mix - up in plant species, thanks to climate change.

The ecosystems chapter concludes that, «Human - induced climate change, in conjunction with other stresses, is exerting major influences on natural environments and biodiversity, and these influences are generally expected to grow with increased warming.»

We're in the midst of a major extinction event driven by human changes to the planet's ecosystems.

Overall, the impacts of climate change are projected to result in a net loss of global biodiversity and major shifts in the provision of ecosystem services.

They forecast major changes in the marine ecosystem, but say there is huge uncertainty over what those changes will be.

Other aspects of global warming's broad footprint on the world's ecosystems include changes in the abundance of more than 80 percent of the thousands of species included in population studies; major poleward shifts in living ranges as warm regions become hot, and cold regions become warmer; major increases (in the south) and decreases (in the north) of the abundance of plankton, which forms the critical base of the ocean's food chain; the transformation of previously innocuous insect species like the Aspen leaf miner into pests that have damaged millions of acres of forest; and an increase in the range and abundance of human pathogens like the cholera - causing bacteria Vibrio, the mosquito - borne dengue virus, and the ticks that carry Lyme disease - causing bacteria.

This is expected to result in major changes in polar ecosystems.

Posted in Biodiversity, Capacity Development, Carbon, Climatic Changes in Himalayas, Development and Climate Change, Ecosystem Functions, Environment, Events, Forest, Global Warming, Green House Gas Emissions, Health and Climate Change, India, Information and Communication, Land, Lessons, News, Resilience, Vulnerability Comments Off on Climate Change Major Challenge For Developing Countries Like India

By the 1980s, it was certain that all the planet's ecosystems were major players in the climate changes that would determine their own future.

«Carbon choices determine US cities committed to futures below sea level» «Economic impacts of climate change in Europe: sea - level rise» «Future flood losses in major coastal cities» «Forecasting the effects of accelerated sea - level rise on tidal marsh ecosystem services» «Coral islands defy sea - level rise over the past century: Records from a central Pacific atoll»

Climate shifts also co-occur with major changes in the distribution of marine ecosystems, and these shifts can occur on the timescales of decades to centuries (Moffitt et al. 2015b, here is a factsheet).

One of his major research interests is to understand feedbacks to atmospheric CO2 from warming temperature, thawing permafrost, and changing fire regimes in high latitudes ecosystems.

Changes in vegetation carbon residence times can cause major shifts in the distribution of carbon between pools, overall fluxes, and the time constants of terrestrial carbon transitions, with consequences for the land carbon balance and the associated state of ecosystems.

Posted in Agriculture, Biodiversity, Capacity Development, Development and Climate Change, Environment, Global Warming, Governance, International Agencies, Lessons, Livelihood, Mitigation, Publication, Research, Vulnerability Comments Off on Major Shifts In Crops Ecosystems: Mekong Climate Stuin Agriculture, Biodiversity, Capacity Development, Development and Climate Change, Environment, Global Warming, Governance, International Agencies, Lessons, Livelihood, Mitigation, Publication, Research, Vulnerability Comments Off on Major Shifts In Crops Ecosystems: Mekong Climate StuIn Crops Ecosystems: Mekong Climate Study

Scientists have recently observed major changes in these glaciers: several have broken up at the ocean end (the terminus), and many have doubled the speed at which they are retreating.2, 5 This has meant a major increase in the amount of ice and water they discharge into the ocean, contributing to sea - level rise, which threatens low - lying populations.2, 3,5 Accelerated melting also adds freshwater to the oceans, altering ecosystems and changing ocean circulation and regional weather patterns.7 (See Greenland ice sheet hotspot for more information.)

There is a major industry that involves taking GCM output and using that to evaluate local impacts on crops, endangered species, and ecosystems, and often what gives the biggest impact is changes in the extremes, but even the mean climate at a local scale has not been demonstrated to be accurately simulated.

Very large sea - level rises that would result from widespread deglaciation of Greenland and West Antarctic ice sheets imply major changes in coastlines and ecosystems, and inundation of low - lying areas, with greatest effects in river deltas.

It's more than climate change; it's also extraordinary burdens of toxic chemistry, mining, depletion of lakes and rivers under and above ground, ecosystem simplification, vast genocides of people and other critters, etc, etc, in systemically linked patterns that threaten major system collapse after major system collapse after major system collapse.

• Even without major change in atmospheric and oceanic circulation, local shifts in centers of production and mixes of species in marine and fresh waters are expected as ecosystems are displaced geographically and changed internally.

• Changes in abundance are likely to be more pronounced near major ecosystem boundaries.

Human populations and their use of land have now transformed ecosystem pattern and process across most of the terrestrial biosphere (1, 2), causing major global changes in biodiversity (3), biogeochemistry (4 ⇓ — 6), geomorphic processes (7), and climate (8).

We'll present a couple illustrations before we'll get to the actual publication we hope to discuss — one that compares methodology of science - based and «science - denying» climate websites but that also touches on a subject we personally find far more interesting: what's actually going on in the Arctic, an area that is not only experiencing major physical consequences of climate change, but that is subsequently also set to be a stage for a cascade of ecological consequences of this climate change — both in the Arctic tundra biome and in the adjacent Arctic marine ecosystem.

The sensitivity of NPP to climate change is especially uncertain because it depends on changing soil water availability, which varies significantly between General Circulation Models (GCMs), with some models suggesting major drying and reduced productivity in tropical ecosystems (Cox et al., 2004).

«Bleaching that takes place every year will invariably cause major changes in the ecological function of coral reef ecosystems,» said study leader Dr. van Hooidonk of NOAA and the University of Miami.

For this reason, major effort should be made to monitor globally not only climate change, but also its impact on ecosystem [s] through remote sensing from satellites as well as in - situ observation.

Islanders in the Pacific are among the first impacted by climate change, confronting major issues such as rising sea levels and ecosystem destruction.

However, in the future the situation could change if cryptocurrencies become more widely used and there are major financial actors participating in the cryptocurrency ecosystem, making it a part of the regular financial system.