Bryophyte and Lichen Diversity Under Simulated Environmental Change Compared with Observed Variation in Unmanipulated Alpine Tundra |
| |
Authors: | Annika K Jägerbrand Karin E M Lindblad Robert G Björk Juha M Alatalo Ulf Molau |
| |
Institution: | 1. Botanical Institute, G?teborg University, P.O. Box 461, SE-405 30, G?teborg, Sweden 2. The Swedish EU/R&D-Council, P.O. Box 7091, SE-103 87, Stockholm, Sweden 3. VINNOVA, Swedish Agency for Innovation Systems, SE-101 58, Stockholm, Sweden
|
| |
Abstract: | Effects of simulated environmental change on bryophyte and lichen species richness and diversity in alpine tundra were investigated
in a 5-year experiment at Latnjajaure, northern Sweden. The experiment had a factorial design including fertilisation and
temperature enhancement in one meadow and one heath plant community. Responses in species richness, biodiversity, and species
composition of bryophytes and lichens to experimental treatments were compared to the observed variation in six naturally
occurring plant communities. The combination of fertilisation and enhanced temperature resulted in a species impoverishment,
for bryophytes in the bryophyte-dominated community, and for lichens in the lichen-dominated communities, but the species
composition stayed within the observed natural variation. During the course of the study, no species new to the investigated
mid-alpine landscape were recorded, but that scenario is realistic within a decade when comparing with the processes seen
in vascular plants. |
| |
Keywords: | global change mosses plant communities Simpson's diversity index species richness subarctic |
本文献已被 SpringerLink 等数据库收录! |
|