Results 31 to 40 of about 28,346 (311)

Impact of Controlled Burning on Herbs in High Altitude Zone of Chirpine Forests in Solan and Nahan Circles, Himachal Pradesh

open access: yesInternational Journal of Bio-Resource and Stress Management, 2020
People are dependent on chirpine forests for direct and indirect benefits. The forest fire is very common phenomenon in chirpine forests. The severe forest fire cause financial as well as ecological losses in the chirpine landscape.
Ranjeet Kumar   +4 more
doaj  

Investigation on growth and performance of three exotic softwood species on eastern Caspian Sea littoral of Iran (case study: Zaghemarz Experimental Station, Mazandaran) [PDF]

open access: yesتحقیقات جنگل و صنوبر ایران, 2013
In order to determine the  growth and yield of three pine species, this study was carried out in the forest and rangeland research station of Zaghmrz , located in East of Caspian sea shore. Treatments were Pinus pinea, P. longifolia  and P. brutia. Their
Seifollah Khorankeh   +2 more
doaj   +1 more source

Impact of forest fire on radial growth of tree rings and their element concentrations of Pinus sylvestris and Larix gmelinii in northern China

open access: yesFrontiers in Forests and Global Change, 2023
AimsThrough analyzing the responses of the radial growth and element concentrations (B, Mg, Al, K, Ca, Mn, Fe, Zn, Na, P, Ni, and Cu) of tree rings of two dominant tree species to forest fires, we aimed to investigate the relationship between tree rings ...
Mao Wei   +7 more
doaj   +1 more source

Enzymes of Glyoxylate in Conifers [PDF]

open access: yesPlant Physiology, 1968
The high level of lipids in seeds of some species of conifers suggested that the glyoxylate cycle might have a role in conifer seed metabolism.Six species (Pinus pinea, Pinus pinaster, Pinus canariensis, Pinus strobus, Abies alba, and Cupressus sempervirens) were investigated for their lipid content and malate synthase and isocitrate lyase level.
A M, Firenzuoli   +4 more
openaire   +2 more sources

Potential vector switching in the evolution of Bursaphelenchus xylophilus group nematodes (Nematoda: Aphelenchoididae)

open access: yesEcology and Evolution, 2020
To show the importance of vector switching of nematodes in the evolution of the Bursaphelenchus xylophilus group, we tested a hypothesis that “Bursaphelenchus doui (or its ancestor) was transferred by Acalolepta fraudatrix, Acalolepta sejuncta, and/or ...
Noritoshi Maehara   +3 more
doaj   +1 more source

Divergent growth‐differentiation balance strategies and resource competition shape mortality patterns in ponderosa pine

open access: yesEcosphere, 2023
Dynamic resource availability leads to trade‐offs among functions in plants. The growth‐differentiation balance hypothesis (GDBH) predicts greater allocation of carbon to defense than growth when resources are scarce, with optimum defense production ...
Scott Ferrenberg   +3 more
doaj   +1 more source

Conifers May Ameliorate Urban Heat Waves Better Than Broadleaf Trees: Evidence from Vancouver, Canada

open access: yesAtmosphere, 2022
Anthropogenic greenhouse gas emissions are increasing the frequency of deadly heat waves. Heat waves are particularly devastating in cities, where air pollution is high and air temperatures are already inflated by the heat island effect.
Harold N. Eyster, Brian Beckage
doaj   +1 more source

Heritage and Habitat: Sustainable timber design techniques at the Wooler Schoolhouse

open access: yesTechne
The Wooler Schoolhouse Project is an experimental effort to renovate a heritage site and create a sustainable approach using mass timber and biobased materials to achieve climate neutrality.
Luigi Ferrara   +2 more
doaj   +1 more source

The test of eight tree species resistance to the attack of Armillaria mellea and A. ostoyae by artificial infection [PDF]

open access: yesGlasnik Šumarskog Fakulteta: Univerzitet u Beogradu, 2010
In the forest ecosystems in Serbia five Armillaria species are present. Understanding differences in the pathogenicity of Armillaria species to the tree species is of a great importance for the foresters. The aim of study was to test susceptibility of
Keča Nenad
doaj   +1 more source

An Abies Extract Containing Nonvolatile Polyphenols Shows Virucidal Activity against SARS-CoV-2 That Is Enhanced in Increased pH Conditions

open access: yesPathogens, 2023
Researching the beneficial health properties of wood byproducts can prevent wastage by turning them into valuable resources. In this study, the virucidal activity of two extracts from Abies sachalinensis byproducts, ASE1, and ASE2, against severe acute ...
Imane Maaroufi   +5 more
doaj   +1 more source

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