NDLI: Grass litter responses to warming and N addition: temporal variation in the contributions of litter quality and environmental effects to decomposition

Content Provider	Springer Nature Link
Author	Henry, Hugh A. L. Moise, Eric R. D.
Copyright Year	2014
Abstract	We explored how climate warming and increased atmospheric nitrogen (N) deposition may influence grass litter decomposition over time, how litter quality versus environmental effects contribute to these responses, and the importance of these responses over winter.We used litter bags to examine decomposition over 2 years in a warming and N addition field experiment, and examined the contributions of litter quality and environment to these responses by transferring litter reciprocally between the treatment plots and a common garden.Warming increased mass loss over the first year for Bromus inermis litter, which was consistent with the litter quality response, but by the second year there was no overall warming effect, and this change coincided with a negative environmental effect of warming. N addition increased mass loss and was more influential than warming in the early stages of Poa pratensis litter decomposition; the N effect appeared to be driven primarily by litter quality. Winter decomposition was not a substantial component of the treatment responses.Our results indicate that litter quality and environmental effects play different roles at different time scales in the decomposition responses of grass litter to warming and N addition, and these responses can be species specific.
Starting Page	35
Ending Page	43
Page Count	9
File Format	PDF
ISSN	0032079X
Journal	Plant and Soil
Volume Number	389
Issue Number	1-2
e-ISSN	15735036
Language	English
Publisher	Springer International Publishing
Publisher Date	2014-11-30
Publisher Place	Cham
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Atmospheric nitrogen deposition Climate warming Decomposition Grasses Litter Mass loss Plant Sciences Soil Science & Conservation Plant Physiology Ecology
Content Type	Text
Resource Type	Article
Subject	Soil Science Plant Science

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Context Matters for Warming: Interannual Variation in Grass Biomass Responses to 7 Years of Warming and N Addition

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