Results 51 to 60 of about 753 (145)

Breeding and seed production aspects of conservation and reproduction of Austrian stone pine (Pinus cembra L.) populations in the Ukrainian Carpathians

open access: yesНаукові праці Лісівничої академії наук України, 2019
The results of forestry and selection studies of Alpine stone pine (Pinus cembra L.) are presented in four test plots of 0.6 to 1.0 ha, planted in stands with its predominance at hypsometric levels of 1150-1380 m above sea level in Gorgany.
Roman Yatsyk   +3 more
doaj   +1 more source

Characterization of Paulownia elongata x fortunei (BIO 125 clone) Roundwood from Plantations in Northern Italy [PDF]

open access: yes, 2022
The growth performance and technological quality of roundwood from a Paulownia elongata x fortunei hybrid (BIO 125 clone) was assessed in three plantations in Northern Italy.
Brunetti, Michele   +2 more
core   +1 more source

Bark structure is coordinated with xylem hydraulic properties in branches of five Cupressaceae species

open access: yesPlant, Cell &Environment, Volume 47, Issue 5, Page 1439-1451, May 2024.
Abstract The properties of bark and xylem contribute to tree growth and survival under drought and other types of stress conditions. However, little is known about the functional coordination of the xylem and bark despite the influence of selection on both structures in response to drought.
Radek Jupa   +2 more
wiley   +1 more source

Moving carbon between spheres, the potential oxalate-carbonate pathway of Brosimum alicastrum Sw.; Moraceae. [PDF]

open access: yes, 2016
Aims The Oxalate-Carbonate Pathway (OCP) is a biogeochemical process that transfers atmospheric CO2 into the geologic reservoir as CaCO3; however, until now all investigations on this process have focused on species with limited food benefits. This study
A Aragno   +70 more
core   +2 more sources

Functional traits of fossil plants

open access: yesNew Phytologist, Volume 242, Issue 2, Page 392-423, April 2024.
Summary A minuscule fraction of the Earth's paleobiological diversity is preserved in the geological record as fossils. What plant remnants have withstood taphonomic filtering, fragmentation, and alteration in their journey to become part of the fossil record provide unique information on how plants functioned in paleo‐ecosystems through their traits ...
Jennifer C. McElwain   +14 more
wiley   +1 more source

Studies on the flora of the Guianas [PDF]

open access: yes, 1987
Description de #Schistostemon sylvaticum$ Sabatier, espèce nouvelle de Guyane française. Description des fruits, jusqu'ici inconnus d'#Humiriastrum obovatum$ (Benth.) Cuatr.; #Humiriastrum subcrenatum$ (Benth.) Cuatr. et #Schistostemon dichotomum$ (Urban)
Sabatier, Daniel
core  

What was behind the bark? : An assessment of decay among urban Tilia, Betula and Acer trees felled as hazardous in the Helsinki City area [PDF]

open access: yes, 2009
Old trees growing in urban environments are often felled due to symptoms of mechanical defects that could be hazardous to people and property.
Terho, Minna
core   +1 more source

Anatomical and chemical composition of Detarium Senegalense J.F. Gmel Bark [PDF]

open access: yes, 2021
The anatomical and chemical composition of Detarium senegalense bark was studied after grinding and fractioning into different particles sizes. The bark of D.
Ajayi, B., Lajide, L., Olayiwola, Y.B.
core   +1 more source

Análise faunística de cochonilhas (hemiptera: sternorrhyncha) na cultura da videira no município de Pinto Bandeira, Rio Grande do Sul, Brasil. [PDF]

open access: yes, 2015
O Rio Grande do Sul é o principal estado produtor de uvas e vinhos do país, com destaque para a região da Serra Gaúcha. Um dos principais problemas enfrentados pelos viticultores é a presença de cochonilhas que ocorrem na parte aérea da cultura e que ...
AZEVEDO FILHO, W. S. de   +6 more
core   +1 more source

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