20170627
Author :
Bernal, B.Megonigal, J. P.
Mozdzer, T. J.
Year :
2017
Title :
An invasive wetland grass primes deep soil carbon pools
An invasive wetland grass primes deep soil carbon pools
Journal :
Global Change Biology
Comment :
To evaluate the effect of deep rooting on SOM decomposition they designed a mesocosm experiment that differentiates between plant-derived, surface SOM-derived (0–40 cm, active root zone of native marsh vegetation), and deep SOM-derived mineralization (40–80 cm, below active root zone of native vegetation).
In this mesocosm study, they demonstrated that the addition of novel plant traits to plant communities (e.g., deeply rooted invasive P. australis) can have a disproportionate effect on wetland soil C cycling and mineralization, particularly at depths where native vegetation has little to no live root biomass.
Global Change Biology
Comment :
To evaluate the effect of deep rooting on SOM decomposition they designed a mesocosm experiment that differentiates between plant-derived, surface SOM-derived (0–40 cm, active root zone of native marsh vegetation), and deep SOM-derived mineralization (40–80 cm, below active root zone of native vegetation).
In this mesocosm study, they demonstrated that the addition of novel plant traits to plant communities (e.g., deeply rooted invasive P. australis) can have a disproportionate effect on wetland soil C cycling and mineralization, particularly at depths where native vegetation has little to no live root biomass.
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