Climate effect on tree-ring widths of<i>Fagus orientalis</i>in the Caspian forests, northern Iran

Haghshenas, Malek; Mohadjer, Mohammad Reza Marvi; Attarod, Pedram; Pourtahmasi, Kambiz; Feldhaus, Jeff; Sadeghi, Seyed Mohammad Moein

doi:10.1080/21580103.2016.1144542

Cited by 19 publications

(12 citation statements)

References 35 publications

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“…This species occupies a narrow ecological niche being sensitive to late spring frosts and summer drought [18]. Consequently, it has been identified as especially vulnerable to climate change effects [19][20][21]. Since F. orientalis acts as a keystone species in its habitat and serves as an important resource to ecosystem services such as plywood, particleboard, furniture, flooring veneer, mining poles, railway tiles, paper, and firewood [22,23], it is of paramount importance to understand the fate of this species under climate change.…”

Section: Introductionmentioning

confidence: 99%

Past, present and future distributions of Oriental beech (Fagus orientalis) under climate change projections

et al. 2020

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Species distribution models can help predicting range shifts under climate change. The aim of this study is to investigate the late Quaternary distribution of Oriental beech (Fagus orientalis) and to project future distribution ranges under different climate change scenarios using a combined palaeobotanical, phylogeographic, and modelling approach. Five species distribution modelling algorithms under the R-package `biomod2`were applied to occurrence data of Fagus orientalis to predict distributions under present, past (Last Glacial Maximum, 21 ka, Mid-Holocene, 6 ka), and future climatic conditions with different scenarios obtained from MIROC-ESM and CCSM4 global climate models. Distribution models were compared to palaeobotanical and phylogeographic evidence. Pollen data indicate northern Turkey and the western Caucasus as refugia for Oriental beech during the Last Glacial Maximum. Although pollen records are missing, molecular data point to Last Glacial Maximum refugia in northern Iran. For the mid-Holocene, pollen data support the presence of beech in the study region. Species distribution models predicted present and Last Glacial Maximum distribution of Fagus orientalis moderately well yet underestimated mid-Holocene ranges. Future projections under various climate scenarios indicate northern Iran and the Caucasus region as major refugia for Oriental beech. Combining palaeobotanical, phylogeographic and modelling approaches is useful when making projections about distributions of plants. Palaeobotanical and molecular evidence reject some of the model projections. Nevertheless, the projected range reduction in the Caucasus region and northern Iran highlights their importance as long-term refugia, possibly related to higher humidity, stronger environmental and climatic heterogeneity and strong vertical zonation of the forest vegetation.

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Section: Introductionmentioning

confidence: 99%

Past, present and future distributions of Oriental beech (Fagus orientalis) under climate change projections

et al. 2020

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“…Although this work does not include an analysis that correlates ecological factors with tree growth, studies performed by Anchukaitis et al (2013) and Gutiérrez-García & Ricker (2019) , documented that maximum temperature negatively influences radial growth of the trees. However, the growth, and consequently, the CO 2 sequestration may vary with environmental conditions of the site and the tree species evaluated ( Haghshenas et al, 2016 ; Pompa-García & Sígala-Rodríguez, 2017 ; Lanza, Chartier & Marcora, 2018 ). These growth patterns can be attributed to the fact that, at the beginning of the plantation, the genotype-environment interaction and the plasticity of the species influence the adaptability of the plants to a specific sites ( Alía, 2006 ; Thomas et al, 2015 ).…”

Section: Discussionmentioning

confidence: 99%

Survival, growth and carbon content in a forest plantation established after a clear-cutting in Durango, Mexico

Soto-Cervantes

Carrillo-Parra

Rodríguez-Laguna

et al. 2020

PeerJ

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Background Forest plantations play an important role in carbon sequestration, helping to mitigate climate change. In this study, survival, biomass, growth rings and annual carbon content storage were evaluated in a mixed Pinus durangensis and P. cooperi plantation that was established after a clear-cutting. The plantation is eight years old and covers an area of 21.40 ha. Methods Sixteen sites of 100 m2 were distributed randomly. At each site, two trees distributed proportionally to the diametric categories were destructively sampled (one per tree species). Two cross-sections were cut from each tree: The first at the base of the stump and the second at 1.30 m. The width of tree rings of the first cross-section was measured using a stereoscopic microscope with precision in microns (µm). The year-by-year basal diameter of each tree was recorded and biomass and carbon content was estimated using allometric equations. Results The estimated survival was 75.2%. The results of the ANOVA showed significant differences between the year-by-year width records of tree rings, the highest value corresponding to the fifth year. The average carbon sequestration per year is 0.30 kg for both studied tree species. Conclusions P. durangensis and P. cooperi plantations adapt and develop well in Durango forests when they are established in areas that are subjected to clear-cutting.

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“…We used the Northern Hemisphere criteria [44][45][46] to date our tree-ring series and assigned every ring the year in which growth started. False tree-rings were detected through re-examination and comparison between wood cores and a cross-section from fallen trees to correct the chronologies from each site [15,47].…”

Section: Sampling Processing and Anatomical Measurementsmentioning

confidence: 99%

Drought Effects on Vessel Plasticity of Two Endemic <em>Magnolia</em> Species in the Tropical Montane Cloud Forests of Eastern Mexico

Rodríguez‐Ramírez¹,

Vázquez-García²,

Alcántara-Ayala³

et al. 2018

Preprint

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The distribution of Mexican Magnolia species´ occur under restricted climatic conditions. As many other tree species from the tropical montane cloud forests (TMCF), Magnolia species appear to be sensitive to drought. Through the use of dendrochronological techniques, this study aims to determine the climate influence on the vessel traits of M. vovidesii and M. schiedeana which are endangered tree species that are endemic to the Sierra Madre Oriental in eastern Mexico. Because most of the tree species in TMCFs are sensitive to climate fluctuations, it is necessary to investigate the differences in the climatic adaptability of the vessel architecture of these trees. This could allow us to further understand the potential peril of climate change on TMCFs. We compared vessel frequency, length and diameter in drought and non–drought years in two Mexican Magnolia species. We used tree–rings width and vessel traits to assess the drought effects on Magnolias’ diffuse–porous wood back to the year 1929. We obtained independent chronologies for M. vovidesii with a span of 75 years (1941–2016), while for M. schiedeana we obtained a span of 319 years (1697–2016). We found that temperature and precipitation are strongly associated with differences in tree–ring width (TRW) between drought and non–drought years. Our results showed anatomical differences in vessel trait response between these two Magnolia species to climatic variation. We suggest that our approach of combining dendroclimatic and anatomical techniques is a powerful tool to analyse anatomic wood plasticity to climatic variation in Magnolia species.

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Climate effect on tree-ring widths ofFagus orientalisin the Caspian forests, northern Iran

Cited by 19 publications

References 35 publications

Past, present and future distributions of Oriental beech (Fagus orientalis) under climate change projections

Past, present and future distributions of Oriental beech (Fagus orientalis) under climate change projections

Survival, growth and carbon content in a forest plantation established after a clear-cutting in Durango, Mexico

Drought Effects on Vessel Plasticity of Two Endemic <em>Magnolia</em> Species in the Tropical Montane Cloud Forests of Eastern Mexico

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