Tree-Ring Research of Mexican Beech (Fagus GrandifoliaSubsp.Mexicana) A Relict Tree Endemic to Eastern Mexico

Rodríguez‐Ramírez, Ernesto C.; Luna‐Vega, Isolda; Rozas, Vicente

doi:10.3959/1536-1098-74.1.94

Cited by 19 publications

(25 citation statements)

References 47 publications

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“…Our results suggest that droughts could not only affect Magnolia species' resilient ability to adapt to long drought-periods but also restrict them from remaining as a part of the TMCFs' structure. For instance, Magnolia schiedeana is a frequent element in Mexican beech forests [15,62], this could indicate a historical dependency to the specific microclimatic conditions given by this forest type that are essential to its establishment and survival [58,59]. Strong vessel plasticity from M. schiedeana, given drought events ( Figure 4), enhances the statement of its need for specific microclimatic.…”

Section: Discussionmentioning

confidence: 99%

“…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%

“…Growth-related trends were removed using a cubic spline with 50% response of 10year periods, flexible enough to maximize high-frequency climatic information and minimize the non-climatic variance, such as the age-size related trends and the effects of the stand dynamics [10,15,48]. We achieved chronologic quality according to standard dendrochronological procedures [10].…”

Section: Analysis Of Chronologiesmentioning

confidence: 99%

“…Such a relationship that can be observed in tropical ecosystems with the use of dendrochronology [11,13,14]. Climate signals such as precipitation (e.g., rain, mist, fog and cloud water), temperature and/or droughts regulate the growth of TMCFs' tree species [15,16]. Dendroecology allows us to identify climatic processes across time and can be used to reconstruct past local and regional climates [9,16,17].…”

Section: Introductionmentioning

confidence: 99%

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Drought Effects on Vessel Plasticity of Two Endemic Magnolia 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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Section: Discussionmentioning

confidence: 99%

Section: Sampling Processing and Anatomical Measurementsmentioning

confidence: 99%

Section: Analysis Of Chronologiesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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

Rodríguez‐Ramírez¹,

Vázquez-García²,

Alcántara-Ayala³

et al. 2018

Preprint

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“…In contrast, we observed slower growth for a few coastal species and decline for coastal western redcedar at the leading range and upward corresponding to the coastal and mountainous areas of the Paci c region, respectively, where they reach their northernmost limit (Viereck and Little 2007). Further, increased precipitation in the 20 th century likely increased cloud cover which at regions corresponding to limiting temperatures can reduce summer temperatures and photosynthesis (Rodríguez-Ramírez et al 2018).…”

Section: Species-speci C Growth Patternmentioning

confidence: 99%

Historical Tree Species Height Growth Pattern Associated With Climate Change in Western North America

Messaoud

Reid

Tchebakova

et al. 2020

Preprint

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BackgroundThe climate variables effect on tree growth in boreal and temperate forests has received increased interest in the global context of climate change. However, most studies are geographically limited and involved few tree species. Here, sixteen tree species across western North America were used to investigate tree response to climate change at the species range scale. MethodsForest inventory data from 36,944 stands established between 1600 and 1968 throughout western Canada and USA were summarized. Height growth (total height at breast-height age of 50 years) of healthy dominant and co-dominant trees were related to annual and summer temperatures, annual and summer Palmer Drought Severity Index (PDSI, and tree establishment date (ED). Climate-induced height growth patterns were then tested to determine links to spatial environment (soil conditions and geographic locations), species range (coastal, interior, and both ranges) and species traits (shade tolerance and leaf form), using linear mixed model for the global height growth and general linear model to test the height growth patterns for each species. ResultsIncrease of temperatures and PDSI had a positive effect on height growth for most of the study species, whereas Alaska yellow-cedar (Chamaecyparis nootkatensis, (D. Don) Spach) height growth declined with ED. All explaining variables and the interactions explained 59% of the total height growth variance. Although tree height growth response was species-specific, increased height growth during the 20th century was more pronounced for coastal ranged species, high shade tolerant species, and broadleaf species. Furthermore, height growth increase occurred mostly on rich soil, at the northernmost species range, and, unexpectedly, at lower elevations. A decline in height growth for some species further north and especially higher in elevation possibly related to increased cloudiness and precipitation. However, drought conditions remain in interior areas despite moving northward and upward that decrease height growth. ConclusionThese results highlight the general trend (species characteristics and range) and the species-specific height patterns, indicating the spatio-temporal complexity of the growth response to recent global climate change.

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Tracking climate vulnerability across spatial distribution and functional traits in Magnolia gentryi in the Peruvian tropical montane cloud forest

Rodríguez‐Ramírez,

Arroyo,

Ames‐Martínez

et al. 2024

American J of Botany

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PremiseUnderstanding the responses of functional traits in tree species to climate variability is essential for predicting the future of tropical montane cloud forest (TMCF) tree species, especially in Andean montane environments where fog pockets act as moisture traps.MethodsWe studied the distribution of Magnolia gentryi, measured its spatial arrangement, identified local hotspots, and evaluated the extent to which climate‐related factors are associated with its distribution. We then analyzed the variation in 13 functional traits of M. gentryi and the relationship with climate.ResultsAndean TMCF climatic factors constrain M. gentryi spatial distribution with significant patches or gaps that are associated with high precipitation and mean minimum temperature. The functional traits of M. gentryi are limited by the Andean TMCF climatic factors, resulting in reduced within‐species variation in traits associated with water deficit.ConclusionsThe association between functional traits and climate oscillation is crucial for understanding the growth conditions of relict‐endemic species and is essential for conservation efforts. Forest trait diversity and species composition change because of fluctuations in hydraulic safety‐efficiency gradients.

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Tree-Ring Research of Mexican Beech (Fagus GrandifoliaSubsp.Mexicana) A Relict Tree Endemic to Eastern Mexico

Cited by 19 publications

References 47 publications

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

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

Historical Tree Species Height Growth Pattern Associated With Climate Change in Western North America

Tracking climate vulnerability across spatial distribution and functional traits in Magnolia gentryi in the Peruvian tropical montane cloud forest

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