Search Results - "Palviainen, Marjo"

Decomposition and nutrient release from Norway spruce coarse roots and stumps – A 40-year chronosequence study by Palviainen, Marjo, Finér, Leena

“…•Decomposing Norway spruce coarse roots and stumps are long-term carbon and nutrient pools.•Stumps decompose and release carbon faster than coarse…”
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Carbon and nitrogen release from decomposing Scots pine, Norway spruce and silver birch stumps by Palviainen, Marjo, Finér, Leena, Laiho, Raija, Shorohova, Ekaterina, Kapitsa, Ekaterina, Vanha-Majamaa, Ilkka

“…Stumps are the largest coarse woody debris component in managed forests, but their role in nutrient cycling is poorly understood. We studied carbon (C) and…”
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Temperature sensitivity patterns of carbon and nitrogen processes in decomposition of boreal organic soils - Quantification in different compounds and molecule sizes based on a multifactorial experiment by Laurén, Ari, Lappalainen, Mari, Kieloaho, Antti-Jussi, Karhu, Kristiina, Palviainen, Marjo

“…Climate warming and organic matter decomposition are connected in a recursive manner; this recursion can be described by temperature sensitivity. We conducted…”
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Effects of biochar on carbon and nitrogen fluxes in boreal forest soil by Palviainen, Marjo, Berninger, Frank, Bruckman, Viktor J., Köster, Kajar, de Assumpção, Christine Ribeiro Moreira, Aaltonen, Heidi, Makita, Naoki, Mishra, Anup, Kulmala, Liisa, Adamczyk, Bartosz, Zhou, Xuan, Heinonsalo, Jussi, Köster, Egle, Pumpanen, Jukka

“…Background and aims The addition of biochar to soil may offer a chance to mitigate climate change by increasing soil carbon stocks, improving soil fertility…”
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Response of soil bacterial community to biochar application in a boreal pine forest by Ge, Yan, Li, Xiao-li, Palviainen, Marjo, Zhou, Xuan, Heinonsalo, Jussi, Berninger, Frank, Pumpanen, Jukka, Köster, Kajar, Sun, Hui

“…Boreal forests commonly suffer from nitrogen deficiency due to low rate of nitrogen mineralization. Biochar may promote soil organic matter decomposition and…”
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Nitrogen Recovery from Clear-Cut Forest Runoff Using Biochar: Adsorption–Desorption Dynamics Affected by Water Nitrogen Concentration by Kakaei Lafdani, E., Laurén, Ari, Cvetkovic, Jovana, Pumpanen, Jukka, Saarela, Taija, Palviainen, Marjo

“…Forest regeneration operations increase the concentration of nitrogen (N) in watercourses especially outside the growing season when traditional biological…”
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Short-term effects of biochar on soil CO2 efflux in boreal Scots pine forests by Zhu, Xudan, Zhu, Tingting, Pumpanen, Jukka, Palviainen, Marjo, Zhou, Xuan, Kulmala, Liisa, Bruckman, Viktor J., Köster, Egle, Köster, Kajar, Aaltonen, Heidi, Makita, Naoki, Wang, Yixiang, Berninger, Frank

“…Key message During the first summer, wood biochar amendments increased soil temperature, pH, and soil CO 2 effluxes in a xeric boreal Scots pine forest. The…”
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Biochar as a potential tool to mitigate nutrient exports from managed boreal forest: A laboratory and field experiment by Mosquera, Virginia, Gundale, Michael J., Palviainen, Marjo, Laurén, Annamari, Laudon, Hjalmar, Hasselquist, Eliza Maher

“…Forest management in drained forested peatlands can negatively affect water quality due to the increase in exports of organic matter and nutrients. Therefore,…”
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Iron concentrations are increasing in surface waters from forested headwater catchments in eastern Finland by Sarkkola, Sakari, Nieminen, Mika, Koivusalo, Harri, Laurén, Ari, Kortelainen, Pirkko, Mattsson, Tuija, Palviainen, Marjo, Piirainen, Sirpa, Starr, Mike, Finér, Leena

“…Observations of increased water colour have been made in lakes and rivers all across the northern mid-latitudes of Europe and North America, particularly…”
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Identifying Nutrient Export Hotspots Using a Spatially Distributed Model in Boreal-Forested Catchments by Antti Leinonen, Aura Salmivaara, Marjo Palviainen, Leena Finér, Heli Peltola, Annamari Laurén

“…The implementation of the Water Framework Directive (WFD) aimed to reduce nutrient export from catchments to water courses. Forest operations cause diffuse…”
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Drainage and Stand Growth Response in Peatland Forests—Description, Testing, and Application of Mechanistic Peatland Simulator SUSI by Ari Laurén, Marjo Palviainen, Samuli Launiainen, Kersti Leppä, Leena Stenberg, Iñaki Urzainki, Mika Nieminen, Raija Laiho, Hannu Hökkä

“…Drainage is an essential prerequisite in peatland forest management, which generally, but not always, increases stand growth. Growth response depends on…”
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Effects of nitrogen fertilization on the ground vegetation cover and soil chemical properties in Scots pine and Norway spruce stands by Jetsonen, Johanna, Laurén, Annamari, Peltola, Heli, Muhonen, Olli, Nevalainen, Juha, Ikonen, Veli-Pekka, Kilpeläinen, Antti, Tuittila, Eeva-Stiina, Männistö, Elisa, Kokkonen, Nicola, Palviainen, Marjo

“…The aim of this study was to investigate the short-term effects of nitrogen (N) fertilization intensity on the ground vegetation cover and soil chemical…”
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Soil texture analysis by laser diffraction and sedimentation and sieving–method and instrument comparison with a focus on Nordic and Baltic forest soils by Callesen, Ingeborg, Palviainen, Marjo, Armolaitis, Kęstutis, Rasmussen, Charlotte, Kjønaas, O. Janne

“…Purpose Laser diffraction (LD) for determination of particle size distribution (PSD) of the fine earth fraction appeared in the 1990s, partly substituting the…”
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NutSpaFHy—A Distributed Nutrient Balance Model to Predict Nutrient Export from Managed Boreal Headwater Catchments by Annamari (Ari) Lauren, Mingfu Guan, Aura Salmivaara, Antti Leinonen, Marjo Palviainen, Samuli Launiainen

“…Responsible forest management requires accounting for adverse environmental effects, such as increased nutrient export to water courses. We constructed a…”
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Purification of Forest Clear-Cut Runoff Water Using Biochar: A Meso-Scale Laboratory Column Experiment by Kakaei Lafdani, Elham, Saarela, Taija, Laurén, Ari, Pumpanen, Jukka, Palviainen, Marjo

“…Biochar can be an effective sorbent material for removal of nutrients from water due to its high specific surface area, porous structure, and high cation and…”
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Exploring the Role of Weather and Forest Management on Nutrient Export in Boreal Forested Catchments Using Spatially Distributed Model by Aura Salmivaara, Antti Leinonen, Marjo Palviainen, Natalia Korhonen, Samuli Launiainen, Heikki Tuomenvirta, Liisa Ukonmaanaho, Leena Finér, Annamari (Ari) Laurén

“…Weather-driven hydrological variability and forest management influence the nutrient export from terrestrial to aquatic systems. We quantified the effect and…”
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Nutrient Balance as a Tool for Maintaining Yield and Mitigating Environmental Impacts of Acacia Plantation in Drained Tropical Peatland—Description of Plantation Simulator by Ari Laurén, Marjo Palviainen, Susan Page, Chris Evans, Iñaki Urzainki, Hannu Hökkä

“…Responsible management of Acacia plantations requires an improved understanding of trade-offs between maintaining stand production whilst reducing…”
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Controls of Organic Carbon and Nutrient Export from Unmanaged and Managed Boreal Forested Catchments by Aaltonen, Heidi, Tuukkanen, Tapio, Palviainen, Marjo, Laurén, Annamari (Ari), Tattari, Sirkka, Piirainen, Sirpa, Mattsson, Tuija, Ojala, Anne, Launiainen, Samuli, Finér, Leena

“…Understanding the anthropogenic and natural factors that affect runoff water quality is essential for proper planning of water protection and forest…”
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Phosphorus and base cation accumulation and release patterns in decomposing Scots pine, Norway spruce and silver birch stumps by Palviainen, Marjo, Finér, Leena, Laiho, Raija, Shorohova, Ekaterina, Kapitsa, Ekaterina, Vanha-Majamaa, Ilkka

“…▶ Phosphorus and base cations (K, Ca, and Mg) are released slowly from decomposing Scots pine, Norway spruce and silver birch stumps. ▶ The absolute amounts of…”
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Impact of Forest Harvesting Intensity and Water Table on Biodegradability of Dissolved Organic Carbon in Boreal Peat in an Incubation Experiment by Elina Peltomaa, Mari Könönen, Marjo Palviainen, Annamari (Ari) Laurén, Xudan Zhu, Niko Kinnunen, Heidi Aaltonen, Anne Ojala, Jukka Pumpanen

“…Boreal peatlands are vast carbon (C) stores but also major sources of dissolved organic C (DOC) and nutrients to surface waters. Drainage and forest harvesting…”
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