Sentences with phrase «predicted by their ecosystem»

Their results indicate that the radiocarbon input to the atmosphere from soils and vegetation was 2 to 3 times higher than predicted by their ecosystem model.

Not exact matches

Because of the sheer complexity in the way parts of an ecosystem work together, just how places like the forest floor will be influenced by climate change will most likely remain difficult to predict, Lensing says.
And the prognosis is grim: Without dramatic reductions in greenhouse gas emissions, all these reefs «will cease to host functioning coral reef ecosystems by the end of the century,» predicts the report from UNESCO's World Heritage Center in Paris.
But models used by scientists to predict the tipping points at which drought stress leads to ecosystem collapse have proven unreliable and too optimistic.
By describing the structure of these webs, scientists can predict how plants and animals living in an ecosystem will respond to change.
«Because big bluestem is currently a dominant grass species of the Great Plains and makes up to 70 percent of the plant biomass in places, how the ecosystem works could be affected by predicted changes in growth of this species,» Johnson said.
Tans initially expected February to be the first month of the year above 400 ppm, but predicting that threshold is tricky because CO2 concentrations depend both on emissions and natural ecosystem processes, which can be influenced by climate phenomena like the El Nino Southern Oscillation cycle, he said.
In theory, the disease could be halted by limiting people's access to unaffected areas, but that would be a very unpopular policy and perhaps impossible to implement, he says.The rapid spread of sudden oak death is «such a dynamic system that a lot of our tools in ecology for understanding and predicting patterns are inadequate,» says Rick Ostfeld of the Institute of Ecosystem Studies in Millbrook, New York.
The group's November 2009 study, dubbed the Electrification Roadmap, predicted that as many as 14 million EVs could be on American roads by 2020 if lawmakers create «electrification ecosystems» in several major U.S. cities simultaneously.
However, learning to predict possible climate outcomes on the basis of both observed and modeled behavior of the different factors that make up the ocean ecosystem is by no means straightforward.
Ecosystems within and on the fringes of OMZs could be particularly affected by the O2 and warming changes predicted for bathyal environments (Table 3; Figures 2, 3; Keeling et al., 2010; Sperling et al., 2016).
For example, Theme 3 exploits information from Theme 2 to help predict future changes in ocean biogeochemistry and ecosystems, but results from Theme 3 also feed back into Theme 2 by providing critical information on the expected temporal and spatial changes of ocean acidification and thus enable meaningful experimental designs.
The analysis predicts that all 29 coral - containing World Heritage sites might cease to exist as functioning coral reef ecosystems by the end of this century if CO2 emissions are not drastically reduced.
By 2015, analysts predict the global digital & traditional media ecosystem will reach $ 2.9 trillion, with the rapidly evolving digital media sector crossing the 50 % tipping point.
Ecosystems everywhere will be affected by higher temperatures, sometimes in ways we can not easily predict.
The analysis predicts that all 29 coral - containing World Heritage sites would cease to exist as functioning coral reef ecosystems by the end of this century under a business - as - usual emissions scenario.
The ecosystem response of coral reefs to climatic and other disturbances is more complex than predicted by models based largely on temperature anomalies and thresholds only.
However, the conditions predicted for the open ocean may not reflect the future conditions in the coastal zone, where many of these organisms live (Hendriks et al. 2010a, b; Hofmann et al. 2011; Kelly and Hofmann 2012), and results derived from changes in pH in coastal ecosystems often include processes other than OA, such as emissions from volcanic vents, eutrophication, upwelling and long - term changes in the geological cycle of CO2, which commonly involve simultaneous changes in other key factors affecting the performance of calcifiers, thereby confounding the response expected from OA by anthropogenic CO2 alone.
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