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Satellite imagery helps monitor Bavarian forest

18 Aug 2018
Earth Observation tools

By the UN Environment team. This blog originally appeared on the UN Environment website.

Things are looking up in a swath of forest in southern Germany, thanks to innovative funding from the European Union for a project that aims to help policymakers better understand how the forest’s ecosystems work.

The ECOPOTENTIAL project uses satellite images for ecosystem modelling in 25 protected areas in Europe (as well as Kenya, the Caribbean and Israel) to address climate change and other threats to ecosystems. In the Bavarian forest, the images and mathematical models of ecosystems, or “Earth Observation tools,” are helping to assess the impact of climate change and pollution, and shape national protection policies.

UN Environment is one of many partners supporting the 2015-2019 ECOPOTENTIAL project,funded by the European Union to the tune of 16 million euros.

“UN Environment works to integrate the scientific breakthroughs in Earth Observation into strategies and policies for protecting nature, including in post-2020 European Union environmental strategies, and for the implementation of the Sustainable Development Goals,” says UN Environment Environmental Policy Expert Magnus Andresen.

The Bavarian Forest National Park (Nationalpark Bayerischer Wald, in Germany) and the neighbouring Šumava National Park (Czech Republic) form the largest area of closed forest in Central Europe – one of the very few natural forest ecosystems remaining in the Central European mountains.

Established in 1970, this protected area – rich in springs, brooks, and rivers – was the first national park in Germany. Besides its deciduous and coniferous forests, its wetlands and raised bogs are important habitats with high value for nature conservation.

The park’s tree species diversity is relatively low due to natural factors. This makes the forest particularly sensitive to changing environmental conditions. For example, in the lower altitudes of the park, former plantations of spruce (naturally only dominant on the highest ridges) are being replaced by deciduous species, mainly beech.

BARK BEETLE OUTBREAKS

At higher elevations, bark beetle outbreaks in recent decades have caused a large-scale breakdown of conifer forests. Mild winters combined with prolonged, warm, and dry summers have helped to support several generations of bark beetles per year.

Although natural regeneration and ecological succession are now under way, development is very slow because competitive grasses are inhibiting tree regeneration. Acid rain, climatic extremes, and airborne nitrogen pollution are also hindering progress.

Within the ECOPOTENTIAL project, Earth Observation tools and “remote sensing”, including by aircraft and drones, are being used to better understand how vegetation is evolving across the park and over time.

Satellite and drone pictures are detecting patterns of dominant plant species, linking habitat characteristics with terrain, and tracking animal movements. The park administration is also carrying out intensive research on tree regeneration, the role of dead wood, and the impact of global warming and extreme climatic events on the future development of these ecosystems.

Funding for this project comes from Horizon 2020, the biggest EU Research and Innovation Programme ever with nearly 80 billion euros of funding available over seven years (2014 to 2020).

For further information, please contact Magnus Andresen: Magnus.Andresen[at]un.org



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