Results 11 to 20 of about 9,971 (163)

Composition and structure of plant communities in the Moist Temperate Forest Ecosystem of the Hindukush Mountains, Pakistan [PDF]

open access: yesBrazilian Journal of Biology, 2022
Here, we investigated the relationship between Plant communities and the environment from the moist temperate vegetation of Lakoo mountainous forest District Swat. We sampled data from 162 sampling units (Quadrates) using 1x1m2 for herbs 5x5m2 and shrubs,
Matiullah   +5 more
doaj   +1 more source

Composition of psocid taxocenoses (Insecta: Psocoptera) in dependence on the level of naturalness of forest ecosystems in the Žďárské vrchy hills

open access: yesJournal of Forest Science, 2003
In 1999-2000 in the Protected Landscape Area (PLA) Žďárské vrchy hills the occurrence of psocids (Psocoptera) was studied in different types of biotopes: natural forest ecosystems (stands of Fagus sylvatica with individual admixture of Abies alba, Acer ...
P. Mückstein, O. Holuša
doaj   +1 more source

Potential alternatives for Norway spruce wood: a selection based on defect-free wood properties

open access: yesAnnals of Forest Science, 2023
Key message The application of material selection principles uncovered eight possible alternative tree species (two deciduous and six coniferous species) to substitute Norway spruce (Picea abies (L.) H.
Christian Huber   +9 more
doaj   +1 more source

Century coniferous introduced species of the State Dendrological Park Trostjanets of the NAS of Ukraine

open access: yesІнтродукція Рослин, 2018
Objective – to reveal wood plants of order Pinophyta which reached an age of 100 and more years, to determine their quantity, maximal age, morphometric indicators and current decorative state. Material and methods.
V.A. Medvedev   +2 more
doaj   +1 more source

Analysis of linkage in Picea abies [PDF]

open access: yesHereditas, 2008
Muona, O., Yazdani, R. and Lindqvist, G. 1987. Analysis of linkage in Picea abies. - Hereditas 106: 31–36. Lund, Sweden. ISSN 0018–0661, Received February 24, 1986 Linkage was studied between seventeen allozyme loci in Picea abies by studying enzyme patterns in macrogametophytes.
OUTI MUONA, REZA YAZDANI, GUN LINDQVIST
openaire   +1 more source

Declining Radial Growth in Major Western Carpathian Tree Species: Insights from Three Decades of Temperate Forest Monitoring

open access: yesPlants, 2023
This study investigates the radial growth response of five key European forest tree species, i.e., Fagus sylvatica, Picea abies, Abies alba, Quercus petraea, and Pinus sylvestris, to dry years in the West Carpathians, Slovakia.
Jergus Rybar   +4 more
doaj   +1 more source

INVESTIGATION ON DELIGNIFICATION AND PULPING OF SPRUCE (PICEA ABIES) [PDF]

open access: yesتحقیقات علوم چوب و کاغذ ایران, 2003
Two 22 years old spruce trees (Picea abies) from Picesoon region of Gilan province are investigated. These samples were transferred to the Alborz research center. The physical, anatomical and chemical properties of samples were determined.
Abbas Fakhryan roghani   +3 more
doaj   +1 more source

Quality of pollen of norway spruce (Picea abies (L.) Karst.) and blue spruce (Picea pungens Engelm.) under conditions of introduction on the South-East of Ukraine

open access: yesІнтродукція Рослин, 2010
The results of long term investigations of the quality of pollen of Picea abies (L.) Karst. and Picea pungens Engelm. under conditions of introduction on the South-East of Ukraine have been presented.
I.V. Makogon, I.I. Korshikov
doaj   +1 more source

A Late Würmian and Holocene pollen profile from Tüttensee, Upper Bavaria, as evidence of 15 Millennia of landscape history in the Chiemsee glacier region

open access: yesActa Palaeobotanica, 2021
A late Würmian and Holocene pollen profile from Tüttensee near Chiemsee, Bavaria, covering 14 millennia of vegetation history, shows the late Würmian reforestation of the area, Holocene woodland development, and later the human impact on the landscape ...
Manfred Rösch   +4 more
doaj   +1 more source

Attractiveness of Picea pungens to the bark beetle species Ips amitinus (Eichh.) and Pityogenes chalcographus (L.)

open access: yesJournal of Forest Science, 2013
Only two cambioxylophagous species (Ips amitinus and Pityogenes chalcographus) were found on sections of Picea pungens and Picea abies that belong to economically important pests of Norway spruce. Representatives of the Isarthron sp.
E. Kula, R. Kajfosz, J. Polívka
doaj   +1 more source

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