Decomposition of harvest residue needles on peatlands drained for forestry – Implications for nutrient and heavy metal dynamics

Kaila, Annu; Asam, Zaki-ul-Zaman; Sarkkola, Sakari; Xiao, Liwen; Laurén, Ari; Vasander, Harri; Nieminen, Mika

doi:10.1016/j.foreco.2012.03.024

Cited by 24 publications

(11 citation statements)

References 39 publications

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“…Renou and Farrell (2005) propose that such a change was due to a reduction in transpiration from the trees and increased evapotranspiration from the soil. This rise is also in agreement with other studies (Dubé et al, 1995;Pothier et al, 2003;Jacks and Norrström, 2004;Kaila et al, 2012). The much more pronounced fluctuations in WT following clearfelling than before clearfelling may have been due to reduced interception of rainfall by the trees (which were now clearfelled), hysteresis in the peat (Naasz et al, 2008), or increased saturation of the peat with the elevated WT, which meant that it was more responsive to changes, as less time was required to re-saturate the peat following rainfall events.…”

Section: Discussionsupporting

confidence: 91%

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The short-term effects of management changes on watertable position and nutrients in shallow groundwater in a harvested peatland forest

Finnegan

Regan

Fenton

et al. 2014

Journal of Environmental Management

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Section: Discussionsupporting

confidence: 91%

“…of N content of brash material) (Stevens et al, 1995) to no obvious gain or loss (Kaila et al, 2012). This is due to the high C:N ratio of the brash material and subsequent high initial N immobilization as opposed to mineralization (Nieminen, 1998).…”

Section: Discussionmentioning

confidence: 99%

The short-term effects of management changes on watertable position and nutrients in shallow groundwater in a harvested peatland forest

Finnegan

Regan

Fenton

et al. 2014

Journal of Environmental Management

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“…The mean annual precipitation is 645 mm. The regional bedrock consists of orogenic granitoids covered with till (Palviainen et al 2009) and the site is composed of nutrient-rich drained peatland (Kaila et al 2012). The regional vegetation type is dominated by boreal Picea and Pinus mixed with Betula, while at present, Sudenpesä forest is dominated by Picea.…”

Section: Study Area and Sitesmentioning

confidence: 99%

Holocene stand-scale vegetation dynamics and fire history of an old-growth spruce forest in southern Finland

Clear

Seppä

Kuosmanen

et al. 2015

Veget Hist Archaeobot

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Forest vegetation composition, including\ud dominant keystone species and floristic diversity, is driven\ud by natural and anthropogenic disturbances. Disentangling\ud these complex interactions to identify the role of species\ud competition, climate and disturbances in boreal forest dynamics\ud is challenging. Here, pollen and charcoal data are\ud used to reconstruct Holocene vegetation and fire history at\ud the local stand-scale within an old-growth Picea abies\ud (Norway spruce) forest hollow in southern Finland. The\ud aim is to reconstruct vegetation history with specific emphasis\ud on the mid-Holocene expansion of Picea and the\ud decline in deciduous species in relation to fire history.\ud Early-Holocene forest development and vegetation dynamics\ud are primarily driven by climatic variations. The\ud spread of Picea at approximately 5,200 cal BP does not\ud coincide with local natural or anthropogenic disturbance or\ud a decline in deciduous species and is consistent with its\ud regional expansion, suggesting climate as the most likely\ud control over the late establishment of this taxon. The mid-\ud Holocene decline in deciduous species corresponds to an\ud increased fire frequency suggesting a higher anthropogenic\ud disturbance (also considered as the primary reason for the\ud loss of floristic diversity in southern Finland). The ‘natural’\ud fire frequency in this local stand-scale boreal forest is lower\ud than that observed in the recent past (i.e. the time of significant\ud anthropogenic impact), yet the present-day absence\ud or low frequency of fire remains within the range of natural\ud variability observed during the early- and mid-Holocen

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“…Specifically, 0.50 g subsample was digested with a mixture of nitric acid and perchloric acid (5:1 v:v). The digested solution was transferred to a 50 ml volumetric flask and rationed for measurements of copper and zinc contents using inductively coupled plasma emission spectroscopy (ICP-AES, Thermo Electron Corporation, Massachusetts, USA) (Edmonds & Tuttle 2010;Kaila et al 2012). The concentrations of organic carbon, total nitrogen and total phosphorus were determined by dichromate oxidation, Kjeldahl digestion and phosphomolybdenum-yellow spectrophotometry, respectively (Lu 1999).…”

Section: Chemical Analysesmentioning

confidence: 99%

Copper and zinc dynamics in foliar litter during decomposition from gap center to closed canopy in an alpine forest

Yang

et al. 2015

Scandinavian Journal of Forest Research

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Forest gap in alpine forests may redistribute the hydrothermal conditions in winter and growing season, which may affect the releases of copper and zinc in foliar litter during decomposition. However, the details of this process are largely unknown. Foliar litters of willow (Salix paraplesia), larch (Larix mastersiana), fir (Abies faxoniana), azalea (Rhododendron lapponicum), birch (Betula albosinensis) and cypress (Sabina saltuaria) were selected in an alpine forest of eastern Tibetan Plateau. The litterbags were placed on the forest floor from gap center, canopy gap edge and expanded gap edge to closed canopy. Zinc and copper contents were studied as litter decomposition proceeded. After one year of decomposition, zinc accumulated in all foliar litters regardless of gap positions, but copper accumulated in the litters of fir, azalea and cypress. Separately, copper released from all foliar litters in winter, whereas zinc in litters of larch, azalea, birch and cypress released in winter. Moreover, both copper and zinc accumulated during the growing season regardless of litter species. Nevertheless, higher accumulation rates were observed under closed canopy compared with other gap positions. These results suggest that forest gap slows the releases of copper and zinc in foliar litter during forest regeneration in these cold biomes.

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Decomposition of harvest residue needles on peatlands drained for forestry – Implications for nutrient and heavy metal dynamics

Cited by 24 publications

References 39 publications

The short-term effects of management changes on watertable position and nutrients in shallow groundwater in a harvested peatland forest

The short-term effects of management changes on watertable position and nutrients in shallow groundwater in a harvested peatland forest

Holocene stand-scale vegetation dynamics and fire history of an old-growth spruce forest in southern Finland

Copper and zinc dynamics in foliar litter during decomposition from gap center to closed canopy in an alpine forest

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