Results 11 to 20 of about 158,981 (349)

Potencial de restauración de bosques de coníferas en zonas de movimiento de germoplasma en México

open access: yesRevista Mexicana de Ciencias Forestales, 2020
La restauración de tierras forestales requiere datos relacionados con el número de plántulas producidas y el nivel de degradación del suelo. Los tomadores de decisiones necesitan saber cuáles son los esfuerzos del programa nacional de reforestación como ...
Andrés Flores García   +3 more
doaj   +1 more source

Open Source Paradigm: A Synopsis of The Cathedral and the Bazaar for Health and Social Care

open access: yesJournal of Innovation in Health Informatics, 2016
Background: Open source software (OSS) is becoming more fashionable in health and social care, although the ideas are not new. However progress has been slower than many had expected.
Tim Benson
doaj   +1 more source

Comparative in silico analysis of SSRs in coding regions of high confidence predicted genes in Norway spruce (Picea abies) and Loblolly pine (Pinus taeda) [PDF]

open access: yes, 2015
Background: Microsatellites or simple sequence repeats (SSRs) are DNA sequences consisting of 1-6 bp tandem repeat motifs present in the genome. SSRs are considered to be one of the most powerful tools in genetic studies.
García-Gil, Maria Rosario   +3 more
core   +2 more sources

Effect of climate and air pollution on radial growth of mixed forests: Abies alba Mill. vs. Picea abies (L.) Karst.

open access: yes, 2020
Norway spruce (Picea abies [L.] Karst.) and silver fir (Abies alba Mill.) are main tree species of Central Europe that are currently highly vulnerable in times of global climate change.
Petr Mikulenka   +7 more
semanticscholar   +1 more source

Glacial Expansion or Interglacial Expansion? Contrasting Demographic Models of Four Cold-Adapted Fir Species in North America and East Asia

open access: yesFrontiers in Ecology and Evolution, 2022
Understanding and forecasting species’ response to climate change is a critical need for future conservation and management. Two expansion hypotheses, the glacial expansion versus the interglacial expansion, have been proposed to interpret how cold ...
Yi-Zhen Shao   +8 more
doaj   +1 more source

Past and present potential distribution of the Iberian Abies species: A phytogeographic approach using pollen data and species distribution models [PDF]

open access: yes, 2010
This is the accepted version of the following article: Alba-Sánchez, F., López-Sáez, J. A., Pando, B. B.-d., Linares, J. C., Nieto-Lugilde, D. and López-Merino, L.
Benito de Pando, B   +4 more
core   +1 more source

Detection of Fir Trees (Abies sibirica) Damaged by the Bark Beetle in Unmanned Aerial Vehicle Images with Deep Learning

open access: yesRemote Sensing, 2019
Invasion of the Polygraphus proximus Blandford bark beetle causes catastrophic damage to forests with firs (Abies sibirica Ledeb) in Russia, especially in Central Siberia. Determining tree damage stage based on the shape, texture and colour of tree crown
A. Safonova   +5 more
semanticscholar   +1 more source

Somatic embryogenesis in Abies alba × Abies alba and Abies alba × Abies nordmanniana hybrids

open access: yesBiologia plantarum, 1997
Maturation and germination of somatic embryos of hybrids A. alba × A. alba and A. alba × A. nordmanniana were followed by protein analysis of single embryogenic -suspensor masses (ESM) and analysis of storage protein accumulation during somatic embryo development.
B. Vooková   +2 more
openaire   +1 more source

Une action collective analysée par ses acteurs : une association d’irrigants en Tunisie [PDF]

open access: yesNatures Sciences Sociétés, 2015
En Tunisie, les études sur les associations d’irrigants ont souvent diagnostiqué des performances médiocres, mais n’ont proposé que des analyses incomplètes des facteurs influençant ces performances.
Ben Mustapha Azza   +3 more
doaj   +1 more source

Tree differences in primary and secondary growth drive convergent scaling in leaf area to sapwood area across Europe [PDF]

open access: yes, 2018
open28siTrees scale leaf (AL) and xylem (AX) areas to couple leaf transpiration and carbon gain with xylem water transport. Some species are known to acclimate in AL : AX balance in response to climate conditions, but whether trees of different species ...

core   +1 more source

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