Sentences with phrase «species losses over time»

Using these patterns, we estimated the resulting gross vegetation carbon emissions [2, 5] and species losses over time [6].

Not exact matches

If the variation between teeth decreased over time, the team reasoned, this loss of diversity would indicate that the ecosystem was declining and may have paralleled a long - term species loss.

Similarly, deforestation often does not result in the immediate loss of species, and communities may exhibit a process of «relaxation» to their new equilibrium over time [3].

Clearly, the loss of biodiversity (estimated at thousands of times the natural backgroud rate), the number of well known species that are threatened (10 - 40 % depending on taxonomic group), the loss of 10,000 - 30,000 genetically distinct populations per day (see Hughes et al., 1997) massive declines of groundwater, soil productivity and fertility, etc. as well as the fact that human activities now impact biogeochemical cycles over huge spatial scales is sufficient evidence that our species is living off of natural capital, rather than income.

I hope that in 50 years time as Australians swelter in debilitating heatwaves, battle fierce bushfires, fight over dwindling water resources, lament the loss of unique species and tell stories recalling the wonders of the Great Barrier Reef, they will be reminded of the names of those who refused to act in the face of overwhelming evidence of what lay ahead.