Search Results - "Valkonen, Sauli"

Tree mortality in the dynamics and management of uneven-aged Norway spruce stands in southern Finland by Valkonen, Sauli, Aulus Giacosa, Lucie, Heikkinen, Juha

“…This study focused on tree mortality in spruce-dominated stands managed using the single-tree selection method in southern Finland. Together with regeneration…”
Get full text

Browsing hinders the regeneration of broadleaved trees in uneven-aged forest management in southern Finland by Atte, Komonen, Esko, Paananen, Merja, Elo, Sauli, Valkonen

“…Uneven-aged forest management has attained increasing popularity. It may benefit biodiversity, buffer against pests and abiotic damages, decrease runoff from…”
Get full text

Comparison of Spatially and Nonspatially Explicit Nonlinear Mixed Effects Models for Norway Spruce Individual Tree Growth under Single-Tree Selection by Simone Bianchi, Mari Myllymaki, Jouni Siipilehto, Hannu Salminen, Jari Hynynen, Sauli Valkonen

“…Background and Objectives: Continuous cover forestry is of increasing importance, but operational forest growth models are still lacking. The debate is…”
Get full text

Over- and Underyielding in Time and Space in Experiments with Mixed Stands of Scots Pine and Norway Spruce by Lars Drössler, Eric Agestam, Kamil Bielak, Małgorzata Dudzinska, Julia Koricheva, Mateusz Liziniewicz, Magnus Löf, Bill Mason, Hans Pretzsch, Sauli Valkonen, Klaas Wellhausen

“…Pine-spruce forests are one of the commonest mixed forest types in Europe and both tree species are very important for wood supply. This study summarized nine…”
Get full text

Ingrowth, survival and height growth of small trees in uneven-aged Picea abies stands in southern Finland by Eerikäinen, Kalle, Valkonen, Sauli, Saksa, Timo

“…The purpose of the study was to analyse height growth, mortality, and ingrowth of individual small-sized trees in uneven-aged spruce-dominated stands. It was…”
Get full text

Damage to saplings in mechanized selection cutting in uneven-aged Norway spruce stands by Surakka, Heikki, Sirén, Matti, Heikkinen, Juha, Valkonen, Sauli

“…Damage to 0.5–2.5 m saplings in selection cuttings in uneven-aged Norway spruce stands was studied in three stands in Finland. Harvest removals were 96–122…”
Get full text

Feasibility of silviculture for complex stand structures: designing stand structures for sustainability and multiple objectives by Mizunaga, Hiromi, Nagaike, Takuo, Yoshida, Toshiya, Valkonen, Sauli

Get full text

Deformations of boards from uneven-aged Norway spruce stands by Piispanen, Riikka, Heikkinen, Juha, Valkonen, Sauli

“…This study focused on wood distortion of boards sawn from Norway spruce ( Picea abies (L.) Karst.) trees grown in uneven-aged stands. The stands were…”
Get full text

Jatkuvapeitteisen metsänkasvatuksen mahdollisuudet ojitetuilla turvemailla by Markku Saarinen, Sauli Valkonen , Sakari Sarkkola, Mika Nieminen, Timo Penttilä, Raija Laiho

“…Avohakkuut ja kunnostusojitukset turvemailla aiheuttavat suurimman osan metsätalouden vesistökuormituksesta. Avohakkuun jälkeen turvemaan vedenpinta voi nousta…”
Get full text

Growth response to thinning in two-storied mixed stands of Scots pine and Norway spruce by Niemistö, Pentti, Valkonen, Sauli

“…The influence of thinning on growth, development, and yield of a spruce understory and a pine overstory was examined based on an experiment including five…”
Get full text

Männyn- ja kuusentaimikoiden kehitys erilaisia metsänuudistamisketjuja käytettäessä by Jouni Siipilehto, Sauli Valkonen, Marja-Leena Päätalo

Get full text

Growth response to cuttings in Norway spruce stands under even-aged and uneven-aged management by Hynynen, Jari, Eerikäinen, Kalle, Mäkinen, Harri, Valkonen, Sauli

“…•Data from even- and uneven-aged spruce stands used to assess response to cuttings.•A stand basal area growth model predicted cutting responses without…”
Get full text

Quantifying the impact of management on the three-dimensional structure of boreal forests by Aalto, Iris, Aalto, Juha, Hancock, Steven, Valkonen, Sauli, Maeda, Eduardo Eiji

“…•We derived structural traits from Terrestrial Laser Scanning data to describe even-aged and uneven-aged boreal forests.•The total amount of plant material was…”
Get full text

Manipulating overstory density and mineral soil exposure for optimal natural regeneration of Scots pine by Rautio, Pasi, Hallikainen, Ville, Valkonen, Sauli, Karjalainen, Johanna, Puttonen, Pasi, Bergsten, Urban, Winsa, Hans, Hyppönen, Mikko

“…•Natural regeneration was highest when tree density was low and mineral soil exposed.•With site preparation more trees can be retained, maintaining the same…”
Get full text

Tree regeneration in patch cutting in Norway spruce stands in northern Finland by Valkonen, Sauli, Siitonen, Juha

“…The study focused on the success of regeneration on patch cuts in spruce-dominated stands in terms of stocking and tree height. It was based on an experiment…”
Get full text

Dynamics of seedling establishment and survival in uneven-aged boreal forests by Saksa, Timo, Valkonen, Sauli

“…▶ Intensive regeneration monitoring for 10 years in uneven-aged spruce stands. ▶ High correlation between seed crops and seedling establishment. ▶ Low…”
Get full text

Simulation of stand dynamics for miombo woodlands in Kitulangalo Forest Reserve, Morogoro, Tanzania by Njoghomi, Elifuraha E., Valkonen, Sauli, Mugasha, Wilson A.

Get full text

Puuaineen ominaisuudet ja puun laatu eri-ikäiskuusikoissa – tutkimusten yhteenveto by Piispanen, Riikka, Pyörälä, Jiri, Valkonen, Sauli

Get full text

Natural regeneration and early development of Scots pine seedlings after gap cutting in northern Finland by Miettinen, Janne, Hallikainen, Ville, Valkonen, Sauli, Hökkä, Hannu, Hyppönen, Mikko, Rautio, Pasi

“…In the northern boreal region, tree growth, timber yields and economic returns are low, meaning low regeneration costs are the basis of profitable forestry. If…”
Get full text

Survival and growth of planted and seeded oak ( Quercus robur L.) seedlings with and without shelters on field afforestation sites in Finland by Valkonen, Sauli

“…The study focused on the initial development of oak ( Quercus robur L.) seedlings on former agricultural fields with or without treeshelters. Additionally,…”
Get full text