The Pyrenees mountain range is a great biodiversity reserve characterized by a high diversity of natural ecosystems and extraordinary species. The protected natural areas include an optimal representation of these ecosystems and species.
The presence of similar natural habitats and conservation threats and problems or species, and the coexistence of complementary environmental conservation initiatives, have led these natural areas to cooperate through the GREEN project "Management and networking of the Pyrenean Natural Spaces" from June 2016 to May 2019.
In order to promote possible synergies and avoid duplicating efforts in the study and monitoring of these aquatic systems, GREEN is in coordination with REPLIM, another POCTEFA project under the umbrella of the OPCC2, regarding high mountain lakes and peat bogs topics. In July 2017, the OPCC organized a first coordination meeting.


Figure 1. Effects of livestock frequentation at Mollàs lake (above). The affectation goes from herbivory and soil compaction, to severe destruction of the plant cover (below, from left to right).

With regard to the Catalan Pyrenees, during the summer of 2017 different actions were undertaken regarding peatland systems in two protected areas of Catalonia, the Alt Pirineu Natural Park (PNAP) and the Aigüestortes i Estany de Sant Maurici National Park (PNAESM). These actions aim to protect some unique peatland systems from overgrazing, and at the same time to make a detailed monitoring to analyze the response of the systems in the short term. They were set at some localities where cattle concentrate, mainly cattle and equine. The visible effects are, beyond the herbivory, manure addition, generalized compaction of the soil, and the opening of gaps in the vegetation cover after breaking the soil and root system. In the most stressed points, this rupture leads to greater muddy surfaces with active water erosion, and with very sparse plant cover (figure 1). The mentioned alterations have consequences in the hydrological functioning and in the biogeochemical cycles of the peatland system, and also in the rarification of sensitive specialist plants.


Figure 2. Fencing of a part of the Pallerols mire system, for protection and monitoring of vegetation and hydrological changes.

Following the procedures agreed in the GREEN project and the planning carried out at the Research Group of Geobotany and Vegetation Mapping of the University of Barcelona, the Parks involved have materialized some areas of grazing exclusion by means of fencing, in some cases electrified (figure 2). Presently, these actions have been set in four PNAP localities and in one of the PNAESM, to which is added another (Estanyeres) carried out a year ago in the LIFE LimnoPirineus project (figure 3). These enclosures are of variable size (between about 500 m2 and about 1,200 m2), depending on the location. In each case, it corresponds to a part of the mire system, so that the different habitats of the system are represented both inside and outside of the grazing exclusion area.


Figure 3. Localities of study of mire systems in the protected areas of Catalonia (PNAESM and PNAP).

In all the localities, the vegetation has been analyzed through specific detailed inventories, and it is recommended to monitor the changes the following years, both inside and outside the exclusion zone. The level and chemical properties of water table will also be analyzed. With this study, the researchers want to base scientifically the conservation actions of the peatlands, and also acquire knowledge relative to the response of the mountain ecosystems to the changes of land use.

Mountains are very sensitive to the climate change. Usually, they have much less station density, and therefore, less information are known from the higher elevated areas. Additionally, measurements have troubles under more severe weather conditions raising the maintenance costs of high elevated stations. Their effects spread far, because they operate as water towers supporting the lowlands water partly directly from precipitation, partly using the buffering effect of solid precipitation. Mountainous ecosystems are very rich, and play a specific role in the biodiversity, and the local economy. Other socio-economic sectors in mountain areas like tourism, energy, land planning and agropastoralism are also especially sensitive to climate variability. Small changes in climate conditions may affect key factors for these sectors such as snow cover duration and depth, hydropower generation potential, energy demand, flash flood risk or grassland structure and productivity.

Call for abstracts 

The European Meteorological Society organizes its annual meeting from September 3 to 7, 2018 in Budapest (Hungary). From the OPCC, as co-conveners of the session -Climate change in mountain areas- we invite you to present an abstract of your work about climate change in mountain areas.
This session welcomes contributions in connection with mountain climate, climate change, changing climate extreme events, natural disasters and other climate related socioeconomic impacts. Adaptation actions and best practices are also welcomed.

Papers dealing with the following topics are invited:
  • measurements in mountains
  • climate time series, their quality control, homogenization methodologies and analysis
  • water balance in higher elevated areas
  • change of natural disasters according to climate change (droughts, avalanches, landslides, etc.)
  • climate change impacts in mountain ecosystems
  • climate change impacts in socioeconomic mountain sectors and climate vulnerabilities
  • adaptation to climate change in the mountains (forestry, grasslands, water systems, wetlands)
The abstract submission deadline is 13 Apr 2018.

For more information about the meeting and abstracts submission procedure please click here.





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