Heating Arrays Aboveground Biomass Data
Restoration in this era of climate change comes with a new challenge: anticipating how best to restore populations to persist under future climate conditions. Specifically, it remains unknown whether locally-adapted or warm-adapted seeds best promote native plant community restoration in the warmer...
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Zusammenfassung: | Restoration in this era of climate change comes with a new challenge:
anticipating how best to restore populations to persist under future
climate conditions. Specifically, it remains unknown whether
locally-adapted or warm-adapted seeds best promote native plant community
restoration in the warmer conditions predicted in the future and whether
local or warm-adapted soil microbial communities could mitigate plant
responses to warming. This may be especially relevant for biomes spanning
large climatic gradients, such as the North American tallgrass prairie.
Here, we used a short-term mesocosm experiment to evaluate how seed
provenances (Local Northern region, Non-Local Northern region, Non-Local
Southern region) of 10 native tallgrass prairie plants (four forbs, two
legumes, and four grasses) responded to warmer conditions predicted in the
future and how soil microbial communities from those three regions
influenced these responses. Warming and seed provenance affected plant
community composition, and warming decreased plant diversity for all three
seed provenances. Plant species varied in their individual responses to
warming, and across species, we detected no consistent differences among
the three provenances in terms of biomass response to warming and few
strong effects of soil provenance. Our work provides evidence that
warming, in part, may reduce plant diversity and affect restored prairie
composition. Because the southern provenance did not consistently
outperform others under warming and we found little support for the “local
is best” paradigm currently dominating restoration practice, identifying
appropriate seed provenances to promote restoration success both now and
in future warmer environments may be challenging. Due to the idiosyncratic
responses across species, we recommend that land managers compare seeds
from different regions for each species to determine which seed provenance
performs best under warming and in restoration for tallgrass prairies. |
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DOI: | 10.5061/dryad.c59zw3r78 |