scholarly journals Erratum to “Physiological Effects of Smoke Exposure on Deciduous and Conifer Tree Species”

2012 ◽  
Vol 2012 ◽  
pp. 1-1
Author(s):  
W. John Calder ◽  
Greg Lifferth ◽  
Max A. Moritz ◽  
Samuel B. St. Clair
Keyword(s):  
Tree Species ◽  
Smoke Exposure ◽  
Physiological Effects ◽  
Conifer Tree

scholarly journals Physiological Effects of Smoke Exposure on Deciduous and Conifer Tree Species

2010 ◽  
Vol 2010 ◽  
pp. 1-7 ◽  
Author(s):  
W. John Calder ◽  
Greg Lifferth ◽  
Max A. Moritz ◽  
Samuel B. St. Clair
Keyword(s):  
Stomatal Conductance ◽  
Forest Fires ◽  
Tree Species ◽  
Photosynthetic Capacity ◽  
Smoke Exposure ◽  
Conifer Tree ◽  
Evergreen Conifer ◽  
Angiosperm Species ◽  
Defense Compound ◽  
Evergreen Conifers

Smoke from forest fires can persist in the environment for weeks and while there is a substantial amount of literature examining the effects of smoke exposure on seed germination, the effects of smoke on leaf function are nearly uninvestigated. The objective of this study was to compare growth and primary and secondary metabolic responses of deciduous angiosperm and evergreen conifer tree species to short smoke exposure. Twenty minutes of smoke exposure resulted in a greater than 50% reduction in photosynthetic capacity in five of the six species we examined. Impairment of photosynthesis in response to smoke was a function of reductions in stomatal conductance and biochemical limitations. In general, deciduous angiosperm species showed a greater sensitivity than evergreen conifers. While there were significant decreases in photosynthesis and stomatal conductance, smoke had no significant effect on growth or secondary defense compound production in any of the tree species examined.

scholarly journals A test of the hydraulic vulnerability segmentation hypothesis in angiosperm and conifer tree species

2016 ◽  
Vol 36 (8) ◽  
pp. 983-993 ◽  
Author(s):  
Daniel M. Johnson ◽  
Remi Wortemann ◽  
Katherine A. McCulloh ◽  
Lionel Jordan-Meille ◽  
Eric Ward ◽  
...  
Keyword(s):  
Tree Species ◽  
Hydraulic Vulnerability ◽  
Conifer Tree

Smoke Production Ability during Combustion of the Four Conifer-Tree Species in Hei Long Jiang Province

2011 ◽  
Vol 183-185 ◽  
pp. 1389-1394
Author(s):  
Long Sun ◽  
Hai Qing Hu ◽  
Lin Ju
Keyword(s):  
Carbon Dioxide ◽  
Tree Species ◽  
Thermal Characteristics ◽  
Larix Gmelinii ◽  
Pinus Koraiensis ◽  
Calorimetric Analysis ◽  
Inhibiting Effect ◽  
Smoke Production ◽  
Conifer Tree ◽  
Carbon Dioxide Co2

The combustibility of four conifer-tree species in Xiaoxing’an Mountain, Heilongjiang Province was studied by cone calorimetric analysis. The four species were Pinus koraiensis Sieb.et Zucc、Pinus sylvestris var.mongolica Litv、Picea koraiensis Nakai、Larix gmelinii Rupr.. The thermal characteristics of leaves and barks, including smoke production rate(SPR)、specific extinction area(SEA)、the concentration of carbon dioxide (CO2)、the production of carbon dioxide ( PCO2 )、the concentration of carbon dioxide (CO)、the production of carbon dioxide ( PCO )were tested and recorded simultaneously.Th results showed that ,at a heat reflux of 50 kW•m-2, the values of SPR , SEA , the concentration of carbon dioxide (CO2) and the production of carbon dioxide (PCO) of Larix gmelinii Rupr. t had strong smoke inhibiting effect. Both Larix gmelinii Rupr. and Pinus koraiensis Sieb.et Zucc had strong smoke inhibiting effect, and Larix gmelinii Rupr. and Pinus koraiensis Sieb.et Zucc was most recommended as fire resistance species for fire-preventing forest belts.

scholarly journals Climate Change Impacts on the Future of Forests in Great Britain

2021 ◽  
Vol 9 ◽  
Author(s):  
Jianjun Yu ◽  
Pam Berry ◽  
Benoit P. Guillod ◽  
Thomas Hickler
Keyword(s):  
Climate Change ◽  
Great Britain ◽  
Tree Species ◽  
Net Primary Productivity ◽  
Climate Model ◽  
Climate Change Impacts ◽  
Physiological Effects ◽  
Area Index ◽  
Projected Change ◽  
The Mean

Forests provide important ecosystem services but are being affected by climate change, not only changes in temperature and precipitation but potentially also directly through the plant-physiological effects of increases in atmospheric CO2. We applied a tree-species-based dynamic model (LPJ-GUESS) at a high 5-km spatial resolution to project climate and CO2 impacts on tree species and thus forests in Great Britain. Climatic inputs consisted of a novel large climate scenario ensemble derived from a regional climate model (RCM) under an RCP 8.5 emission scenario. The climate change impacts were assessed using leaf area index (LAI) and net primary productivity (NPP) for the 2030s and the 2080s compared to baseline (1975–2004). The potential CO2 effects, which are highly uncertain, were examined using a constant CO2 level scenario for comparison. Also, a climate vulnerability index was developed to assess the potential drought impact on modeled tree species. In spite of substantial future reductions in rainfall, the mean projected LAI and NPP generally showed an increase over Britain, with a larger increment in Scotland, northwest England, and west Wales. The CO2 increase led to higher projected LAI and NPP, especially in northern Britain, but with little effect on overall geographical patterns. However, without accounting for plant-physiological effects of elevated CO2, NPP in Southern and Central Britain and easternmost parts of Wales showed a decrease relative to 2011, implying less ecosystem service provisioning, e.g., in terms of timber yields and carbon storage. The projected change of LAI and NPP varied from 5 to 100% of the mean change, due to the uncertainty arising from natural weather-induced variability, with Southeast England being most sensitive to this. It was also the most susceptible to climate change and drought, with reduced suitability for broad-leaved trees such as beech, small-leaved lime, and hornbeam. These could lead to important changes in woodland composition across Great Britain.

scholarly journals Early Survival and Growth Plasticity of 33 Species Planted in 38 Arboreta across the European Atlantic Area

Forests ◽  
2018 ◽  
Vol 9 (10) ◽  
pp. 630 ◽  
Author(s):  
Henrique Correia ◽  
Helena Almeida ◽  
Manuela Branco ◽  
Margarida Tomé ◽  
Rebeca Cordero Montoya ◽  
...  
Keyword(s):  
Tree Species ◽  
Pinus Elliottii ◽  
Pinus Nigra ◽  
Thuja Plicata ◽  
Growth And Survival ◽  
Tree Survival ◽  
Conifer Tree ◽  
Dryness Index ◽  
Survival And Growth ◽  
Ceratonia Siliqua L

To anticipate European climate scenarios for the end of the century, we explored the climate gradient within the REINFFORCE (RÉseau INFrastructure de recherche pour le suivi et l’adaptation des FORêts au Changement climatiquE) arboreta network, established in 38 sites between latitudes 37° and 57°, where 33 tree species are represented. We aim to determine which climatic variables best explain their survival and growth, and identify those species that are more tolerant of climate variation and those of which the growth and survival future climate might constrain. We used empirical models to determine the best climatic predictor variables that explain tree survival and growth. Precipitation-transfer distance was most important for the survival of broadleaved species, whereas growing-season-degree days best explained conifer-tree survival. Growth (annual height increment) was mainly explained by a derived annual dryness index (ADI) for both conifers and broadleaved trees. Species that showed the greatest variation in survival and growth in response to climatic variation included Betula pendula Roth, Pinus elliottii Engelm., and Thuja plicata Donn ex D.Don, and those that were least affected included Quercus shumardii Buckland and Pinus nigra J.F.Arnold. We also demonstrated that provenance differences were significant for Pinus pinea L., Quercus robur L., and Ceratonia siliqua L. Here, we demonstrate the usefulness of infrastructures along a climatic gradient like REINFFORCE to determine major tendencies of tree species responding to climate changes.

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