Amazon source of 5-year-old river breath
... grasses. "You're changing the land use, changing vegetation and other conditions. In terms of what's being respired, the system is responding fairly quickly," Mayorga says. "Human and natural systems, in turn, will be impacted." No previous tropical study has used both radioactive carbon-14 and stable carbon...Scientists map the world for nature conservation
...entral innovation here is the breakdown of data by vegetation zone. Tropical rainforests are, unsurprisingly, sh...the first time where, within each of the different vegetation zones, plant biodiversity is highest," says Professor Wilhelm Barthlott, founder of the working grou...Taking the piste out of Alpine vegetation
...red. "Machine grading constitutes the most drastic vegetation disturbance on ski pistes. It should be avoided wh...hey also measured the impact of artificial snow on vegetation and found that this causes changes in species composition, with snowbed and late-flowering species i...Putting ecology back into river restoration
...odification project should minimise loss of native vegetation during river reconstruction, and should avoid the fish spawning season for construction work," Palmer explains. The final criteria is ecological assessment. According to Palmer: "It is critical that the broad restoration community, including funding ...No relief for Pacific Northwest drought
...on long-term, global climate models and a "general vegetation model" created by researchers from the Forest Serv...ve, the researchers said, involving such things as vegetation growth, fuel loads, soil moisture, climatic trends and other factors. "Last year was a pretty sever...Introduced foxes transformed vegetation on Aleutian Islands from lush grasslands to tundra
...through entire island ecosystems, transforming the vegetation from lush grasslands to scrubby, low-growing tundr...viously colonized by foxes, and in some places the vegetation has begun to look lusher. But it is likely to take decades for the ecosystems to fully recover from ...