Results 11 to 20 of about 58,198 (257)

SPECIFIC RESISTANCE AND SPECIFIC INTENSITY OF BELT SANDING OF WOOD [PDF]

open access: yesBioResources, 2010
This paper examines and discusses the specific belt sanding resistance K (N·cm-2) and specific belt sanding intensity SI (g·cm-2·min-1), for wood of Pinus sylvestris L., Picea abies L., Quercus robra L., Acer pseudoplatanus L., Alnus glutinosa Gaertn ...
Boleslaw Porankiewicz   +2 more
doaj   +1 more source

Taxonomic differences between Pinus sylvestris and P. uncinata revealed in the stomata and cuticle characters for use in the study of fossil material [PDF]

open access: yes, 2009
Taxonomic differences in the needle epidermis characteristics of Pinus sylvestris L. and Pinus uncinata Ramond ex DC. from two Iberian populations were sought; such information could help identify these species when pollen analysis and the inspection of ...
Garcia-Amorena Gomez del Moral, Ignacio   +3 more
core   +2 more sources

Climatic niche and neutral genetic diversity of the six Iberian pine species: a retrospective and prospective view [PDF]

open access: yes, 2010
Quaternary climatic fluctuations have left contrasting historical footprints on the neutral genetic diversity patterns of existing populations of different tree species.
Soto de Viana, Álvaro
core   +2 more sources

Understanding the evolution of native pinewoods in Scotland will benefit their future management and conservation [PDF]

open access: yes, 2010
Scots pine (Pinus sylvestris L.) is a foundation species in Scottish highland forests and a national icon. Due to heavy exploitation, the current native pinewood coverage represents a small fraction of the postglacial maximum.
Barton   +22 more
core   +1 more source

Genetic Differences in Resistance of Scotch Pine to Eastern Pineshoot Borer [PDF]

open access: yes, 2017
(excerpt) Scotch pine (Pinus sylvestris L.) is the most common plantation Christmas tree in the northeastern United States. In its large native range, covering much of Europe and Asia, this species is valued highly for timber. Its adaptability to various
Steiner, Kim
core   +2 more sources

Spread of the invasive pathogen Lecanosticta acicola on species of Pinus in Bulgaria [PDF]

open access: yesSilva Balcanica, 2020
The brown spot needle blight, caused by the fungal pathogen Lecanosticta acicola, has been the most serious and damaging disease on needles of Pinus spp. in recent years.
Margarita Georgieva
doaj   +3 more sources

Size Structure of Phytopopulations and Its Quantitative Evaluation [PDF]

open access: yes, 2016
There was elucidated the original approach to the evaluation of phytopopulation size structure. For its characteristics it was offered to use the special index - index diversity of size structure (ІDSS).
Sherstuk, M. (Maryna)   +1 more
core   +2 more sources

Investigation of 137Cs and 90Sr transfer from sandy soil to Scots pine (Pinus sylvestris L.) rings

open access: yesJournal of Environmental Engineering and Landscape Management, 2010
Artificial radionuclides entered the environment mostly as a result of nuclear explosions, accidents at nuclear power plants and are entering due to the operation of the nuclear industry.
Ingrida Pliopaitė Bataitienė   +1 more
doaj   +1 more source

Prunus serotina unleashed: invader dominance after 70 years of forest development [PDF]

open access: yes, 2009
Propagule pressure and disturbance have both been found to facilitate invasion. Therefore, knowledge on the history of introduction and disturbance is vital for understanding an invasion process, and research should focus on areas in which the invasive ...
Baeten, L.   +6 more
core   +3 more sources

Polymorphism and differentiation in populations of Pinus sylvestris in the Ukrainian Carpathians

open access: yesVìsnik Dnìpropetrovsʹkogo Unìversitetu: Serìâ Bìologìâ, Ekologìâ, 2011
The analysis and synthesis of the data on allozyme structure, polymorphism and degree of genogeographic differentiation of mountain populations of Scots pine isolated in the Ukrainian Carpathians showed considerable genetic variability of foothill and ...
S. N. Sannikov   +5 more
doaj   +1 more source

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