Assigned Session: FS 3.166: Alpine microclimates, biodiversity, and climate change
Pattern in alpine summit vegetation in the Northern Alps (Nationalpark Berchtesgaden, Germany) explained by variation in microclimate, soil temp and soil moisture
Abstract ID: 3.13508 | Accepted as Poster | Poster | TBA | TBA
Anke Jentsch (0)
Kudernatsch, Thomas (2), Brune, Maike (1), DiMusciano, Michele (3), Deola, Thomas (1), Eder, Fritz (4), Huber, Doris (4), Wanke, Svenja (1), Wolff, Peter (1)
Anke Jentsch ((0) University of Bayreuth, Universitaetsstrasse 30, 95440, Bayreuth, Bavaria, DE)
Kudernatsch, Thomas (2), Brune, Maike (1), DiMusciano, Michele (3), Deola, Thomas (1), Eder, Fritz (4), Huber, Doris (4), Wanke, Svenja (1), Wolff, Peter (1)
(0) University of Bayreuth, Universitaetsstrasse 30, 95440, Bayreuth, Bavaria, DE
(1) University of Bayreuth, Universitätsstrasse 30, 95547 Bayreuth, Germany
(2) Bavarian State Institute of Forestry, Hans Carl-von-Carlowitz-Platz 1, 85354 Freising, Germany
(3) University de L'Aquila, Palazzo Camponeschi, Piazza Santa Margherita, 2, 67100 L’Aquila AQ, Italy
(4) Nationalpark Berchtegaden, Hanielstrasse 7, 83471 Berchtesgaden, Germany
(1) University of Bayreuth, Universitätsstrasse 30, 95547 Bayreuth, Germany
(2) Bavarian State Institute of Forestry, Hans Carl-von-Carlowitz-Platz 1, 85354 Freising, Germany
(3) University de L'Aquila, Palazzo Camponeschi, Piazza Santa Margherita, 2, 67100 L’Aquila AQ, Italy
(4) Nationalpark Berchtegaden, Hanielstrasse 7, 83471 Berchtesgaden, Germany
(2) Bavarian State Institute of Forestry, Hans Carl-von-Carlowitz-Platz 1, 85354 Freising, Germany
(3) University de L'Aquila, Palazzo Camponeschi, Piazza Santa Margherita, 2, 67100 L’Aquila AQ, Italy
(4) Nationalpark Berchtegaden, Hanielstrasse 7, 83471 Berchtesgaden, Germany
 explained by variation in microclimate, soil temp and soil moisture){kind=link}
In recent decades, the rate of change in species richness in European mountain summits has increased and been correlated with rising temperatures. However, evidence of seasonal soil moisture deficit as a potentially emerging driver has rarely been discussed. In fact, species richness changes have been strongest on calcareous bedrock, so that limestone mountain summits with their shallow soils might serve as early warning signals of species redistributions.
Here, we present plant species diversity patterns on mountain summits between 2.203 m and 2513 m asl. in the National Park Berchtesgaden in Germany (GLORIA site DE-NPB, resurveyed between 2007 and 2024) along with in situ measured microclimate (growing degree days, snow cover), soil temperature and soil moisture data (Geoprecision+TOMST). For understanding details on species-specific leading and trailing edges, we further draw on recently recorded field data representing three different local species pools, summit (GLORIA NPB), alpine (AlpVeg NPB) and subalpine (Almenkartierung NPB), as well as species occurrence data from other calcareous GLORIA sites across the European Alps.
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