Zobrazeno 1 - 10 of 11 pro vyhledávání: '"Oskars Krisans"'
1
Akademický článek
Silver Birch (Betula pendula Roth.) on Dry Mineral Rather than on Deep Peat Soils Is More Dependent on Frozen Conditions in Terms of Wind Damage in the Eastern Baltic Region
Autor: Oskars Krišāns, Roberts Matisons, Jānis Vuguls, Steffen Rust, Didzis Elferts, Andris Seipulis, Renāte Saleniece, Āris Jansons
Publikováno v: Plants, Vol 11, Iss 9, p 1174 (2022)
In Northern Europe, the ongoing winter warming along with increasing precipitation shortens the periods for which soil is frozen, which aggravates the susceptibility of forest stands to wind damage under an increasing frequency of severe wind events
Externí odkaz: https://doaj.org/article/625fbb732bdf4fbe97add45e1dbb9476
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2
Akademický článek
An Integration of Linear Model and ‘Random Forest’ Techniques for Prediction of Norway Spruce Vitality: A Case Study of the Hemiboreal Forest, Latvia
Autor: Endijs Bāders, Edžus Romāns, Iveta Desaine, Oskars Krišāns, Andris Seipulis, Jānis Donis, Āris Jansons
Publikováno v: Remote Sensing, Vol 14, Iss 9, p 2122 (2022)
The increasing extreme weather and climate events have a significant impact on the resistance and resilience of Norway spruce trees. The responses and adaptation of individual trees to certain factors can be assessed through the tree breeding program
Externí odkaz: https://doaj.org/article/1fac9ddc413c487195ee8fe9b06d6db4
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3
Cost–Benefit Analysis of Measures to Reduce Windstorm Impact in Pure Norway Spruce (Picea abies L. Karst.) Stands in Latvia
Autor: Juris Katrevičs, Janis Donis, Oskars Krisans, Aris Jansons, Ilze Silamikele, Valters Samariks
Publikováno v: Forests
Volume 11
Issue 5
Forests, Vol 11, Iss 576, p 576 (2020)
Wind is one of the major natural forest disturbances in Europe, and reduces the total economic (including carbon sequestration) value of forests. The aim of this study was to assess the financial benefit of silvicultural measures in young, pure, plan
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ef0d9005101237d210ab3633938e6713
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4
A Financial Assessment of Windstorm Risks for Scots Pine Stands in Hemiboreal Forests
Autor: Renate Saleniece, Janis Donis, Aris Jansons, Oskars Krisans, Mara Kitenberga, Edgars Dubrovskis
Publikováno v: Forests, Vol 11, Iss 566, p 566 (2020)
Forests
Volume 11
Issue 5
Windstorms are a significant disturbance in northern European Scots pine forests. Mechanistic models for assessment of their impact have been developed. The aim of our study was to assess the impact of windstorms on the financial value of Scots pine
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1a98c60a3412fe749e8c83b1bb54e587
https://www.mdpi.com/1999-4907/11/5/566
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5
Presence of Root Rot Reduces Stability of Norway Spruce (Picea abies): Results of Static Pulling Tests in Latvia
Autor: Steffen Rust, Roberts Matisons, Oskars Krisans, Liene Kalvane, Didzis Elferts, Natalija Burnevica, Lauma Bruna, Aris Jansons
Publikováno v: Forests
Volume 11
Issue 4
Forests, Vol 11, Iss 416, p 416 (2020)
Storms are the main abiotic disturbance in European forests, effects of which are expected to intensify in the future, hence the importance of forest stand stability is increasing. The predisposition of Norway spruce to wind damage appears to be enha
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::03647560b29a8a0f1796f4347a6051cb
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6
Effect of Bark-Stripping on Mechanical Stability of Norway Spruce
Autor: Roberts Matisons, Renate Saleniece, Rolands Kapostins, Steffen Rust, Oskars Krisans, Didzis Elferts, Aris Jansons
Publikováno v: Forests
Volume 11
Issue 3
Forests, Vol 11, Iss 3, p 357 (2020)
The increasing effects of storms are considered the main abiotic disturbance affecting forest ecosystems. Bark-stripping damage from the growing ungulate populations, in turn, are among the main biotic risks, which might burden the stability of trees
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e9277512a5e9e7bb6d61f9894b56c1e0
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10
Performance variation of lodgepole pine provenances in Latvia
Autor: Aris Jansons, Virgilijus Baliuckas, Oskars Krisans, Liga Purina, Janis Jansons, Imants Baumanis, Roberts Matisons
Publikováno v: Silva Fennica, Vol 52, Iss 5 (2018)
Lodgepole pine ( var. Engelm.) has been extensively introduced in Scandinavia on less productive sites. Under a changing climate, it also has a high potential in the eastern Baltic region; still, its performance there has scarcely been reported. This
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::890367db8795e79c913250507bb01392
https://doi.org/10.14214/sf.10014
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