Results 11 to 20 of about 36,737 (316)

Lectotypification of Abies fanjingshanensis (Pinaceae) [PDF]

open access: yesPhytoKeys, 2020
The type collection of Abies fanjingshanensis W.L.Huang et al. contains four specimens in the Herbarium (GNUG). Abies fanjingshanensis is lectotypified here with L.Yang 83-427 (GNUG0002022) under Art. 9.12 of the Shenzhen Code.
Yong Yang, Keith Rushforth
doaj   +4 more sources

Response of mature Norway spruce (Picea abies) to elevated atmospheric CO² [PDF]

open access: yes, 2014
The aim of this thesis was to identify pathways and rates of C allocation in tall forest trees, and to identify effects of elevated CO2 on respiratory processes and root growth.
Mildner, Manuel
core   +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

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

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

Climate-growth relationships at different stem heights in silver fir and Norway spruce [PDF]

open access: yes, 2012
We investigated the effect of climate on variations in annual ring-area increment along the stem of dominant silver fir (Abies alba Mill.) and Norway spruce (Picea abies (L.) Karst.) trees in the Black Forest, southwestern Germany, to test the hypothesis
Bouriaud, O.   +4 more
core   +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

Recent results of Czech-American fir hybridization research

open access: yesJournal of Forest Science, 2013
Fraser fir (Abies fraseri) Christmas tree plantations in North Carolina are infested by root rot caused by Phytophthora cinnamomi. This disease kills almost 100% of Fraser fir material and leaves the soil permanently infested.
J. Kobliha   +3 more
doaj   +1 more source

Effects of simultaneous ozone and nitrogen exposure on two tree species : Fagus sylvatica (L.) and Picea abies (L.) Karst. [PDF]

open access: yes, 2005
Tropospheric ozone (O3) and nitrogen deposition (N) are considered as two of the most important anthropogenic pollution factors for temperate forests today.
Thomas, Vera F. D.
core   +1 more source

Intercepción de lluvia en bosques de montaña en la cuenca del río Texcoco, México

open access: yesRevista Mexicana de Ciencias Forestales, 2017
El proceso de intercepción de lluvia por la masa arbórea, como componente del ciclo hidrológico en áreas forestales, está determinado, entre otras causas, por las condiciones climáticas, orográficas y por las características de la vegetación. Se
Eulogio Angel Flores Ayala   +6 more
doaj   +1 more source

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