Climate change

The controversy surrounding the issues arises because it involves the convergence of three 'storms' 1) the global problem 2) its intergeneration dimension and 3) the inadequacies of the theoretical models ( Gardier SM 2011).

Biodiversity and the resistance of forest ecosystems to drought

The extreme events induced by climate change will have drastic consequences on forest functions and services and may bring about important drought-induced die-off events. It is known, however, that biodiversity can promote forest ecosystem performance and resistance to insect pests and diseases. Promoting higher tree species richness in temperate forests is also suggested to be an appropriate management practice to be considered in the context of increased drought frequency and intensity in the future. Indeed, interactions among species may lead to positive complementarity effects of...

Tree diversity supporting forest adaptation under climate change

Biodiversity may enhance forest functioning and services in several aspects. Our results, however, suggest that the positive role of biodiversity can be a consequence of different mechanisms that are contingent upon environmental conditions and other factors. For example, biodiversity can be relevant in buffering climate change by means of a variety of mechanisms. Uncertainty around future climate conditions is high with respect to precipitation  so it is not easy to know which species or combination of species will perform better in the future. It is important to ensure, in the face...

Uncovering the mechanisms behind positive diversity-productivity relationships in forests.

Globally, forests play a critical role in mitigating climate change by removing CO2 from the atmosphere and storing it in wood. The strength of this carbon sync depends on a number of factors, such as climate, availability of nutrients and disturbance. On top of this, it is becoming increasingly apparent that diverse forests tend to be more productive than monocultures. But why? What are the mechanisms that enable diverse forest to outperform ones which are species poor? This is what we aim to understand.  ...

Tree species diversity mitigates disturbance impacts on the forest carbon cycle

Biodiversity fosters the functioning and stability of forest ecosystems and, consequently, the provision of crucial ecosystem services that support human well-being and quality of life. In particular, it has been suggested that tree species diversity buffers ecosystems against the impacts of disturbances, a relationship known as the “insurance hypothesis”. Natural disturbances have increased across Europe in recent decades and climate change is expected to amplify the frequency and severity of disturbance events. ...

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