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Journal articles

The interaction between wetland nutrient content and plant quality controls aquatic plant decomposition

Abstract : We conducted an in situ decomposition experiment to better understand how habitat nutrient content controls aquatic plant decomposition and, more precisely, to determine the relative importance of the wetland conditions in decomposition, and the intrinsic degradability of plant tissues. We collected the green leaves of three aquatic plant species with contrasting plant strategies from three wetlands of differing nutrient contents, and allowed them to decompose in seven wetlands along a nutrient gradient. The plant mass loss was higher for competitive and ruderal species collected in nutrient richer wetlands as well as when they were led to decompose in nutrient richer wetlands. Plant water content correlated with mass loss for the competitive and ruderal species, which may explain the increase in mass loss with increasing nutrient content in the collection wetlands. Litter decomposition rate may be enhanced by wetland eutrophication, because of both the modification of wetland decomposition conditions and by changes in plant tissue quality.
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https://hal.archives-ouvertes.fr/hal-01491118
Contributor : Gudrun Bornette Connect in order to contact the contributor
Submitted on : Thursday, March 16, 2017 - 1:02:42 PM
Last modification on : Tuesday, May 24, 2022 - 1:34:03 PM

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Charlotte Grasset, L. H. Levrey, C. Delolme, F. Arthaud, Gudrun Bornette. The interaction between wetland nutrient content and plant quality controls aquatic plant decomposition. Wetlands Ecology and Management, Springer Verlag, 2017, 25 (2), pp.211 - 219. ⟨10.1007/s11273-016-9510-2⟩. ⟨hal-01491118⟩

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