Etiqueta: co2

News

Do drought-affected trees die of thirst or hunger?

16 de August 2017Albert Naya i Díaz

A new study has concluded that, universally, trees that have died from drought are unable to transport water to their leaves. The findings also highlight trees that have drained their carbon reserves since they are not able to carry out photosynthesis. The results of the study will permit the creation of more precise models for predicting the effects of climatic changes on vegetation.

Knowledge

Forest wildfires: learning from the beast

11 de August 2017Francisco Lloret

We are in the middle of the wildfire season, and the ecologist Francisco Lloret explains what we can learn about fires and how we can adapt to them to avoid catastrophic large wildfires.

News

Achieving the COP21 agreements is currently far-fetched

9 de June 2017Albert Naya i Díaz

The COP21 set the maximum temperature increase for 2100 at 1.5° C. The only scenario which would allow achievement of this goal would require vastly reducing human CO2 emissions, significantly increasing the prominence of renewable energies, and the use of some type of artificial carbon sequestration technology.

Knowledge

That viscous film which envelops the Earth

6 de June 2017Francisco Lloret

Life on Earth barely extends over its surface. But organisms have been able to transform its climate for millions of years. Now, humans seem to reach it again in a record time.

Knowledge

A dangerous metabolism: future remedies against CO2 increase?

8 de February 2017Jaume Terradas

Geoengineering is a hope to slow down and reduce CO2 levels in the atmosphere. Technological innovations must help us to find solutions to this global problem.

News

Remote sensing of leaf pigments will improve climate change models

7 de February 2017Albert Naya i Díaz

An international team of researchers co-led by Josep Peñuelas (CSIC and CREAF) has developed a new method for monitoring changes in the photosynthetic activity of perennial conifers throughout the year. This new technique, based on the analysis of remote sensing images captured by satellites, will improve global models of atmospheric carbon capture and permit more precise predictions about climate change.

News

The loss of soil carbon can accelerate climate change

1 de December 2016Albert Naya i Díaz

The journal Nature has today published a study which had the participation of CSIC scientists at CREAF, Marc Estiarte and Josep Peñuelas, which demonstrates the relationship between the release of carbon from soils and the acceleration of climate change.

News

The world has become greener over the past 33 years

26 de April 2016CREAF

Since 1982, Earth has become greener in an area covering 36 million km2, close to two times the size of the United States. Above all, this seems to be the result of a fertilizing effect of atmospheric carbon dioxide (CO2) on plants. The study was carried out with satellite images which can capture this increase in terrestrial leaf area.

News

CREAF researchers uncover how climate change-provoked substitutions of pines with holm oak affect soil respiration

10 de March 2016Albert Naya i Díaz

Scots pine is the tree species with the greatest latitudinal distribution between Siberia and the Iberian Peninsula. The death of these pines due to drought does not affect CO2 emissions from forest soil.

News

CO2 absorption in European ecosystems depends on two major climatic phenomena

18 de January 2016Albert Naya i Díaz

The worst scenario occurs when NAO and EA are in opposite phases. This ocurred in the first few years of the previous decade and during this period, the CO2 uptake was below average. Recently, NAO and EA were in the same phase and ecosystems have been able to remove more carbon from the atmosphere.

News

Degraded land restored with sewage sludge sequester up to 37% more carbon than un-amended land

6 de July 2015Marina Torres Gibert

A study carried out by researchers from CREAF and the UAB shows that restoring degraded land with sewage sludge aids carbon sequestration in the soil. These organic wastes improve soil structure and the growth of plants, and these are eventually incorporated into the soil as soil carbon.

News

Droughts alter microbial diversity of the land and increase CO2 emissions

14 de April 2015CREAF

Researchers from the UAB, CREAF and the National Museum of Natural Sciences (MNCN-CSIC) have analysed how the deterioration of woods caused by droughts associated to global warming are affecting the microbial composition of the soil and modifying carbon cycles.

News

Nightime global warming limites CO2 uptake by boreal flora

5 de September 2013Anna Ramon Revilla

Nightime temperatures on the planet have increased 1.4 times faster than daytime temperatures. This asymmetry alters carbon fluxes and plant growth in the northern hemisphere, according to a study in which the CREAF is participating.

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