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Forschung [16] › Publikationen [6] › ZFMK-Publikationsverzeichnis [7] › Alpine Activity Patterns of Mitopus morio in Central Norway

Alpine Activity Patterns of Mitopus morio in Central Norway

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AutorInnen: 
Hein, N., Pape, R., Finch, O.-D., Löffler, J.
Erscheinungsjahr: 
2014
Vollständiger Titel: 
Alpine Activity Patterns of Mitopus morio (Fabricius, 1779) are Induced by Variations in Temperature and Humidity at Different Scales in Central Norway
ZFMK-Autorinnen / ZFMK-Autoren: 
Dr. Nils Hein [19]
Org. Einordnung: 
Biobank [20]
Publiziert in: 
Journal of Mountain Science
Publikationstyp: 
Zeitschriftenaufsatz
DOI Name: 
10.1007/s11629-013-2913-0
Keywords: 
Mitopus morio, micro-climate, Harvestman, alpine
Bibliographische Angaben: 
Hein, N., Pape, R., Finch, O.-D., Löffler, J. (2014): Alpine Activity Patterns of Mitopus morio (Fabricius, 1779) are Induced by Variations in Temperature and Humidity at Different Scales in Central Norway. - Journal of Mountain Science 11: 644–655.
Abstract: 

Our research addresses questions about how micro-climate affects activity abundance of a common and widespread harvestman in an alpine ecosystem. Activity patterns of the Harvestman Mitopus morio (Fabricius, 1779) were studied along different alpine gradients in the central Norwegian Scandes. Within a nested design, we surveyed 18 alpine habitats with pitfall traps and microclimatological equipment along oceanic-continental, two elevational, and (fine-scaled) microtopographic gradients. Sites in the oceanic region of the Scandes showed generally higher abundance of M. morio than sites in the continental region. Furthermore, along the elevational gradient, middle-alpine sites showed higher abundances than low-alpine sites. These general patterns are best explained by higher humidity in the oceanic region and in the middlealpine belt. Focusing at a finer scale, i.e. one elevational level within each region, revealed partly opposing activity patterns within relatively short distances. While in the western middle-alpine belt these patterns were best explained by humidityrelated measures but now with higher activity abundance during drier conditions, in the drier eastern middle-alpine belt heat sums rather than humidity were found to be the best explanatory variables for the observed patterns. Hence, our results imply a pronounced different reaction of the two populations towards climatic variables that partly even contradict the previously described general pattern. Regardless whether these differences in activity abundance in M. morio are a form of phenotypic plasticity or adaptation, our findings stress the importance of detailed autecological knowledge combined with fine-scaled climatic measurements when aiming at predictions about possible future ecosystem structures and spatiotemporal phenomena. M. morio proves to be an ideal biogeographic model organism for understanding spatio-temporal responses of alpine ecosystems under modified climatic conditions.

Ansprechpartnerin / Ansprechpartner

[19]
Dr. Nils Hein [19]
CaBOL Projektkoordinator
Biobank [20]
+49 228 9122-349
+49 228 9122-212
N.Hein [at] leibniz-lib.de

Quelladresse:https://bonn.leibniz-lib.de/de/forschung/publikationen/alpine-activity-patterns-of-mitopus-morio-in-central-norway

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