Sentences with phrase «changes in vegetation types»

Although biogenic NMVOC emissions increase with increasing temperature, all three studies concur that climate - driven changes in vegetation types unfavourable to isoprene emissions (notably the recession of tropical forests) would partly compensate for the effect of warming in terms of ozone generation.

«Nobody really knows what the increases in CO2 are going to entail in terms of future changes in vegetation types,» co-author Mark Brenner of the University of Florida says.

But at lower elevations with chaparral and patches of conifer, there has been little research, and changes in vegetation type can result in radical changes in fuels, affecting fire behavior.

Not exact matches

«Our results highlight the importance of the interactive effects of vegetation type, temperature and moisture in determining of the response of soil decomposition to climate change,» says lead author Julia Bradley - Cook, who conducted the study as part of her doctorate in Ecology and Evolutionary Biology at Dartmouth and who is now a Congressional Science Fellow.

«There are real questions about whether we are beginning to see a shift in vegetation types driven by fire activity fueled by fire suppression and climate change.»

Regional vegetation die - off in response to global - change - type drought.

For example, with changes in temperature and precipitation, ecosystems within Montana may shift to drier conditions resulting in changes to vegetation types.

But there is not the slightest guarantee that the bias remained the same over previous centuries, due to changes in land use, vegetation types, climate,...

These experimental regions are intentionally extreme in vegetation consequences (i.e., full conversion from forest to grassland functional types without ecologically intermediate types in order to act as bounding calculations that we use to reveal remote changes in GPP.

These changes are driven by changing vegetation type mixtures, with grasses and smaller shrubs in JeDi decreasing boreal residence times, and greater proportions of trees increasing residence times in the southeastern United States and China.

With respect to why there was a significant increase in tree density over the past several decades, Dolanc offers that the changes in the density and composition of lower - elevation forests are consistent with fire suppression; but that the density increases in high - elevation vegetation types (subalpine forests generally don't burn) are «more likely to be caused by changing climate.»

By «ecosystem change», we mean changes in some or all of the following: the number and types of organisms present; the ecosystem's physical appearance (e.g., tall or short, open or dense vegetation); the functioning of the system and all its interactive parts, including the cycling of nutrients and productivity.

I have recently unintentionally noticed that the UV radiation is killing the leafs of trees and plants the most exposed leaves to the sun are dying on many types of vegetation plus we have fires hazing the sky up which means more CO2 thanks to grindall61 (A YouTube channel) I hope I am spelling it correctly he goes to meetings in Southern California and records them we know that the state of California is because increasingly aggressive in reducing greenhouse gases even to the extremes of renting bikes and of course climate change is going to be used as an excuse to take away our rights don't fall for there wickedness but how can a serious state like California at least that's what I'm calling it here claim to want to fight climate change yet being ignorant on climate engineering this is a joke citizens stand up for your country.

Extreme warm temperatures in summer can greatly increase the risks of mega-fires in temperate forests, boreal forests, and savanna ecosystems, leading to abrupt changes in species dominance and vegetation type, regional water yield and