Extensive und jährlich wechselnde Nutzungsintensität fördert den Artenreichtum 
im Grünland

Boch, S.; Allan, E.; Birkhofer, K.; Bossdorf, O.; Blüthgen, N.; Christ-Breulmann, S.; Dietkötter, T.; Dormann, C. F.; Gossner, M. M.; Hallmann, Christine; Hemp, A.; Hölzel, N.; Jung, K.; Klaus, J. H.; Klein, A. M.; Kleinbecker, T.; Lange, Markus; Müller, J.; Nacke, H.; Prati, D.; Renner, S. C.; Rothenwöhrer, C.; Schall, P.; Schulze, Ernst Detlef; Socher, S. A.; Tscharnke, T.; Türke, M.; Weiner, C. N.; Weisser, W. W.; Westpal, C.; Wolters, V.; Wubet, T.; Fischer, M.

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Extensive und jährlich wechselnde Nutzungsintensität fördert den Artenreichtum im Grünland

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Lange, Markus
Molecular Biogeochemistry Group, Dr. G. Gleixner, Department Biogeochemical Processes, Prof. S. E. Trumbore, Max Planck Institute for Biogeochemistry, Max Planck Society;

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Schulze, Ernst Detlef
Emeritus Group, Prof. E.-D. Schulze, Max Planck Institute for Biogeochemistry, Max Planck Society;

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引用

Boch, S., Allan, E., Birkhofer, K., Bossdorf, O., Blüthgen, N., Christ-Breulmann, S., Dietkötter, T., Dormann, C. F., Gossner, M. M., Hallmann, C., Hemp, A., Hölzel, N., Jung, K., Klaus, J. H., Klein, A. M., Kleinbecker, T., Lange, M., Müller, J., Nacke, H., Prati, D., Renner, S. C., Rothenwöhrer, C., Schall, P., Schulze, E. D., Socher, S. A., Tscharnke, T., Türke, M., Weiner, C. N., Weisser, W. W., Westpal, C., Wolters, V., Wubet, T., & Fischer, M. (2016). Extensive und jährlich wechselnde Nutzungsintensität fördert den Artenreichtum im Grünland. Anliegen Natur, 38(1), 86-95.

引用: https://hdl.handle.net/11858/00-001M-0000-002E-01EB-D

要旨

Among the processes currently eroding biodiversity, land-use intensification is one of the most important. Using data from 150 grasslands, in three regions of Germany, we therefore tested for effects of land-use intensity and inter-annual variation in land-use intensity on biodiversity. To measure whole ecosystem biodiversity, we introduce a new metric of multidiversity, which incorporates the diversities of up to 49 taxonomic groups of plants, animals, fungi and bacteria. Multidiversity declined with increasing land-use intensity, particularly for rarer species and aboveground groups, while common species and belowground species were less sensitive. However, high levels of inter-annual variation in land-use intensity increased overall multidiversity and slowed the rate at which the multidiversity of rarer species declined with increasing land-use intensity. In addition to decreasing mean land-use intensity, we suggest that varying land-use intensity across years, in particular varying grazing intensity over time, could be a novel strategy to reduce local biodiversity loss.