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Content with tag global change .

Hair analyses reveals the hidden history of forests

Researchers from Poland, Spain and Canada analyse changes in hair stable isotope composition. These are “markers” that can track changes in the environment. Changes observed during 66 years can be related to the use of fertilizers and the raising global temperatures

Climate change will impact animal populations much stronger than previously recognized

A study led by the Doñana Biological Station – CSIC shows that a drought experienced in their birth year impaired individuals of the endangered Red kite, a raptorial bird of Doñana National Park, for the rest of their lives. Natal drought caused a 40% decline in forecasted population size and a 21% shortening of time to extinction.
Results show that climate change may erode populations much faster than previously realized

Interactions among global change pressures act in a non-additive way on bumblebee individuals and colonies

Insect-mediated pollination is fundamental for terrestrial ecosystems as well as for crop production. However, bee populations are declining as a consequence of different global change pressures. Even though these pressures do not act in isolation, their interactive effects have received less attention.

Second notice: Scientists warn of increasing threats posed by invasive alien species

Biological invasions are a global consequence of an increasingly connected world and the rise in human population size. The numbers of invasive alien species – the subset of alien species that spread widely in areas where they are not native, affecting the environment or human livelihoods – are increasing. Synergies with other global changes are exacerbating current invasions and facilitating new ones, thereby escalating the extent and impacts of invaders. Invasions have complex...

Invasive plants and urban development: a bad combination for coastal vegetation

Land-use intensification and biological invasions are two of the most important global change pressures driving biodiversity loss. However, their combined impacts on biological communities have been seldom explored, which may result in misleading ecological assessments or mitigation actions. Based on an extensive field survey of 445 paired invaded and control plots of coastal vegetation in SW Spain, the joint effects of land-use intensification (agricultural and urban intensification) and...
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