Results 81 to 90 of about 109,439 (302)

Population structure and dynamic characteristics of three endemic Chinese Abies species in southeastern Tibet, China

open access: yesFrontiers in Ecology and Evolution
IntroductionIn the face of escalating climate change, conserving fir forests in southeastern Tibet is paramount. These forests uphold Tibetan biodiversity and support crucial ecological services.MethodsThis study used the typical plot method to ...
Di Huang   +24 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

Population management of cone and seed insects in spruce seed orchards [PDF]

open access: yes, 2011
Seed orchards have been established in order to produce high quality seeds for reforestation and forestation. However, seed production in spruce (Picea abies (L.) Karst.) seed orchards is severely hampered by cone- and seed-feeding insects.
Rosenberg, Olle
core  

Natural and anthropogenic forest fires recorded in the Holocene pollen record from a Jinchuan peat bog, northeastern China [PDF]

open access: yes, 2008
Pollen and charcoal particles from a Jinchuan peat (northeastern China) were examined to investigate the fire origin and interaction between climate, vegetation, fire and human activity during the Holocene.
Chu, G   +5 more
core   +1 more source

A phase 3, randomized clinical trial of soticlestat as adjunctive therapy for Lennox–Gastaut syndrome

open access: yesEpilepsia, EarlyView.
Soticlestat as adjunctive therapy for Lennox–Gastaut syndrome. Abstract Objective There remains a need for new treatments for Lennox–Gastaut syndrome (LGS), a developmental and epileptic encephalopathy with a heterogenous patient population that often requires polytherapy. The phase 3, randomized SKYWAY study (NCT04938427) investigated the efficacy and
Renzo Guerrini   +15 more
wiley   +1 more source

The influence of Picea abies on herb vegetation in forest plant communities of the Veporské vrchy Mts.

open access: yesJournal of Forest Science, 2010
Natural mixed beech-fir forests were quite widely replaced by spruce dominated stands in Slovakia. Given the demands on the assessment of the forest status as well as on stopping the biodiversity loss it is required to evaluate the influence of Picea ...
F. Máliš   +3 more
doaj   +1 more source

Serum NfL, GFAP, and p‐tau217 in adults with drug‐resistant epilepsy and intellectual disabilities: Signs of ongoing neural injury

open access: yesEpilepsia, EarlyView.
Abstract Objective Adults with epilepsy and intellectual disabilities (IDs) may be at increased risk of dementia, but clinical evaluation is complex and use of conventional biomarkers is often considered too invasive. We explored abnormality of serum neurofilament light chain (NfL), glial fibrillary acidic protein (GFAP), and phosphorylated tau‐217 (p ...
Hadassa Kwetsie   +10 more
wiley   +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

Fir (Abies spp.) stand biomass additive model for Eurasia sensitive to winter temperature and annual precipitation [PDF]

open access: yes, 2019
Climate change, especially modified courses of temperature and precipitation, has a significant impact on forest functioning and productivity. Moreover, some alterations in tree biomass allocation (e.g.
Chasovskikh, V. P.   +5 more
core  

Home - About - Disclaimer - Privacy