Not exact matches
Mallon's
results, published in the July 10, 2013 issue of the open - access journal PLOS ONE, indicate that these megaherbivores (all weighing greater than 1,000 kg) had differing skull characteristics that would have allowed them to specialize in eating different
types of
vegetation.
«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.
«The
results showed that, during moisture deficit periods, green turf cover (GTC), normalized difference
vegetation index (NDVI), and leaf relative water content (RWC) were most affected by substrate depth, moderately affected by irrigation regime, and, to a lesser extent, by substrate
type,» the authors said.
Furthermore, the number of people and the
types of
vegetation present were similar in both the noisy and the quiet locations, eliminating the chance these factors could skew any
results.
For example, with changes in temperature and precipitation, ecosystems within Montana may shift to drier conditions
resulting in changes to
vegetation types.
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.
This
results in an alteration of the
types of
vegetation across the tundra.