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Quantifying nitrogen-fixation in feather moss carpets of boreal forests
- T. DeLuca, O. Zackrisson, M. Nilsson, A. Sellstedt
- Environmental Science, MedicineNature
- 31 October 2002
A N-fixing symbiosis between a cyanobacterium and the ubiquitous feather moss, Pleurozium schreberi (Bird) Mitt.
The role of biotic interactions in shaping distributions and realised assemblages of species: implications for species distribution modelling
- M. Wisz, J. Pottier, +21 authors J. Svenning
- Biology, MedicineBiological reviews of the Cambridge Philosophical…
- 12 June 2012
It is shown that biotic interactions have clearly left their mark on species distributions and realised assemblages of species across all spatial extents, and is called for for accelerated collection of spatially and temporally explicit species data.
Key ecological function of charcoal from wildfire in the Boreal forest
It is concluded that charcoal might catalyse important ecological soil processes in early-successional boreal forests, effects that diminish as succession proceeds, and ultimately may have important long-term consequences for stand productivity and ecosystem function, especially in forests under strict fire control.
Fire-Derived Charcoal Causes Loss of Forest Humus
This result shows that charcoal-induced losses of belowground carbon in forests can partially offset the benefits of charcoal as a long-term carbon sink.
The charcoal effect in Boreal forests: mechanisms and ecological consequences
It is shown that immediately after wildfire fresh charcoal can have important effects in Boreal forest ecosystems dominated by ericaceous dwarf shrubs, and this is likely to provide a major contribution to the rejuvenating effects of wildfire on forest ecosystems.
Ectomycorrhizal fungal communities in late‐successional Swedish boreal forests, and their composition following wildfire
Species richness was not affected by fire, whereas the evenness of species distributions of mycorrhizas was lower in the burned stands, suggesting that EM fungal communities show a high degree of continuity following low‐intensity wildfires.
An ecosystem‐level perspective of allelopathy
It is argued that the concept of allelopathy is more appropriately applied at the ecosystem‐level, rather than the traditional population/community level of resolution, and two contrasting examples of how invasive plant species with allelopathic potential may alter ecosystem properties through the production of secondary metabolites are illustrated.
NITROGEN FIXATION INCREASES WITH SUCCESSIONAL AGE IN BOREAL FORESTS
Seasonal N fixation rates in boreal forests varying in time since last fire are evaluated to help explain the origin of high rates of net N accumulation in soil unaccounted for at northern boreal sites.
Understory vegetation as a forest ecosystem driver: evidence from the northern Swedish boreal forest
Vegetation research in boreal forests has tended to focus on the tree component, while little attention has been paid to understory components such as dwarf shrubs, mosses, and reindeer lichens.…
Continuity of ectomycorrhizal fungi in self-regenerating boreal Pinus sylvestris forests studied by comparing mycobiont diversity on seedlings and mature trees
The concept of the mycelial network should be expanded in order to embrace both the significance of interconnections between different trees as well as the continuity or perpetuation of EM fungal communities, according to the view that the species composition of mycorrhizas colonizing naturally regenerated seedlings in forests is similar to that of myCorrhiza colonizing surrounding trees.