Results 21 to 30 of about 382,176 (172)

A new snow module improves predictions of the isotope-enabled MAIDENiso forest growth model [PDF]

open access: yesGeoscientific Model Development, 2022
The representation of snow processes in forest growth models is necessary to accurately predict the hydrological cycle in boreal ecosystems and the isotopic signature of soil water extracted by trees, photosynthates and tree-ring cellulose.
I. Hermoso de Mendoza   +8 more
doaj   +1 more source

Experiencia exitosa de formación en Investigación en el Programa de Derecho de la Universidad Mariana [PDF]

open access: yes, 2023
Como es sabido, la Universidad Mariana ha constituido su organización institucional encaminada a promover y desarrollar los procesos de formación en investigación y divulgación del conocimiento científico.
Martínez Ortega, Ángela Patricia   +1 more
core  

Effect of tree-ring detrending method on apparent growth trends of black and white spruce in interior Alaska

open access: yesEnvironmental Research Letters, 2016
Boreal forests are critical sinks in the global carbon cycle. However, recent studies have revealed increasing frequency and extent of wildfires, decreasing landscape greenness, increasing tree mortality and declining growth of black and white spruce in ...
Patrick F Sullivan   +4 more
doaj   +1 more source

Responses of black spruce (Picea mariana) and tamarack (Larix laricina) to flooding and ethylene treatments. [PDF]

open access: yes, 2003
Black spruce (Picea mariana (Mill.) BSP) and tamarack (Larix laricina (Du Roi) K. Koch) are the predominant tree species in the boreal peatlands of Alberta, Canada, where low nutrient availability, low soil temperature and a high water table limit their ...
Macdonald, S. Ellen   +2 more
core   +1 more source

Growth environment and organ specific variation in in-vitro cytoprotective activities of Picea mariana in PC12 cells exposed to glucose toxicity: a plant used for treatment of diabetes symptoms by the Cree of Eeyou Istchee (Quebec, Canada)

open access: yesBMC Complementary and Alternative Medicine, 2019
Background The Cree of Eeyou Istchee (James Bay area of northern Quebec) suffer from a high rate of diabetes and its complications partly due to the introduction of the western lifestyle within their culture.
Ashleigh D. Downing   +9 more
doaj   +1 more source

Fungal Interactions and Host Tree Preferences in the Spruce Bark Beetle Ips typographus

open access: yesFrontiers in Microbiology, 2021
The spruce bark beetle Ips typographus is the most damaging pest in European spruce forests and has caused great ecological and economic disturbances in recent years. Although native to Eurasia, I.
Sifat Munim Tanin   +5 more
doaj   +1 more source

Ecophysiology and field performance of black spruce (Picea mariana): a review [PDF]

open access: yesAnnales des Sciences Forestières, 1994
Cet article presente une revue de litterature de l'ecophysiologie de l'epinette noire (Picea mariana [Mill] BSP) mettant l'accent sur les facteurs environnementaux qui affectent la photosynthese nette et la reponse des stomates. Cette revue offre une mise a jour sur l'etat actuel des connaissances sur la croissance racinaire, sur la nutrition minerale,
Lamhamedi, Ms, Bernier, Py
openaire   +2 more sources

Differential growth and rooting of upland and peatland black spruce, Picea mariana, in drained and flooded soils [PDF]

open access: yes, 2007
A reciprocal experiment was analyzed to determine whether 30 open-pollinated families of peatland and upland populations of black spruce [Picea mariana (Mill.) B.S.P.] sampled from a single area in north-central Alberta, Canada, performed consistently ...
Yeh, F.C., Yang, R.C.
core   +1 more source

Different regional climatic drivers of Holocene large wildfires in boreal forests of northeastern America

open access: yesEnvironmental Research Letters, 2017
Global warming could increase climatic instability and large wildfire activity in circumboreal regions, potentially impairing both ecosystem functioning and human health.
Cécile C Remy   +6 more
doaj   +1 more source

Appendix A. Allometric equations for predicting canopy biomass from diameter of interior Alaska Picea mariana trees in three size classes.

open access: yes, 2016
Allometric equations for predicting canopy biomass from diameter of interior Alaska Picea mariana trees in three size ...
Leslie A. Boby (2906657)   +4 more
core   +1 more source

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