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| Content Provider | Springer Nature Link |
|---|---|
| Author | Berger, Torsten W. Berger, Pétra |
| Copyright Year | 2012 |
| Abstract | Replacement of beech by spruce is associated with changes in soil acidity, soil structure and humus form, which are commonly ascribed to the recalcitrance of spruce needles. It is of practical relevance to know how much beech must be admixed to pure spruce stands in order to increase litter decomposition and associated nutrient cycling. We addressed the impact of tree species mixture within forest stands and within litter on mass loss and nutritional release from litter.Litter decomposition was measured in three adjacent stands of pure spruce (Picea abies), mixed beech-spruce and pure beech (Fagus sylvatica) on three nutrient-rich sites and three nutrient-poor sites over a three-year period using the litterbag method (single species and mixed species bags).Mass loss of beech litter was not higher than mass loss of spruce litter. Mass loss and nutrient release were not affected by litter mixing. Litter decay indicated non-additive patterns, since similar remaining masses under pure beech (47%) and mixed beech-spruce (48%) were significantly lower than under pure spruce stands (67%). Release of the main components of the organic substance (C$_{org}$, N$_{tot}$, P, S, lignin) and associated K were related to mass loss, while release of other nutrients was not related to mass loss.In contradiction to the widely held assumption of slow decomposition of spruce needles, we conclude that accumulation of litter in spruce stands is not caused by recalcitrance of spruce needles to decay; rather adverse environmental conditions in spruce stands retard decomposition. Mixed beech-spruce stands appear to be as effective as pure beech stands in counteracting these adverse conditions. |
| Starting Page | 349 |
| Ending Page | 369 |
| Page Count | 21 |
| File Format | |
| ISSN | 0032079X |
| Journal | Plant and Soil |
| Volume Number | 358 |
| Issue Number | 1-2 |
| e-ISSN | 15735036 |
| Language | English |
| Publisher | Springer Netherlands |
| Publisher Date | 2012-03-07 |
| Publisher Place | Dordrecht |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Decomposition Fagus sylvatica Litter quality Litterbag Mixing effects Picea abies Plant Physiology Soil Science & Conservation Ecology Plant Sciences |
| Content Type | Text |
| Resource Type | Article |
| Subject | Soil Science Plant Science |
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