A tree-ring based comparison of Terminalia superba climate–growth relationships in West and Central Africa

Ridder, M. De; Trouet, Valérie; Bulcke, Jan Van den; Hubau, Wannes; Acker, Joris Van; Beeckman, Hans

doi:10.1007/s00468-013-0871-3

Cited by 44 publications

(47 citation statements)

References 48 publications

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“…Many other studies have validated these findings and have raised important implications for the future of management decisions involving tropical forests (e.g. worBes 1989;1995;2002;sTahle 1999;dünisch and monTóia 2003;FichTler and clark 2003;Brienen and Zuidema 2005;Brienen and Zuidema 2006;Therrell et al 2006;Baker and BunyaveJchewin 2006;BräuninG et al 2009;lewis et al 2009;roZendaal et al 2009;Brienen et al 2010;héraulT et al 2010;roZendaal et al 2010;TroueT et al 2010;roZendaal and Zuidema 2011;wils et al 2011;donG et al 2012;Zuidema et al 2012;locosselli et al 2013;alTman et al 2013;de ridder et al 2013;Zuidema et al 2013;GroenendiJk et al 2014;locosselli et al 2016;colomBaroli et al 2016;volland et al 2016).…”

Section: Introductionmentioning

confidence: 89%

Towards establishing a new environmental archive – Annual growth periodicity, stable carbon isotope variability and reconstruction potential of 'Akoko (Euphorbia olowaluana), a native Hawaiian tree with C4 photosynthetic pathway

Ben¹,

Hart²,

Helle³

2017

Erdkunde

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Originally published as:Ben, T., Hart, P. J., Helle, G. (2017): Towards establishing a new environmental archive -Annual growth periodicity, stable carbon isotope variability and reconstruction potential of 'Akoko (Euphorbia olowaluana), a native Hawaiian tree with C4 photosynthetic pathway. Summary: Tree ring patterns provide one of the best records of pre-instrumental environmental and climate variability. To date, tree ring chronologies were explored from woody plant species with C 3 photosynthetic pathway, only. For the first time, we have studied wood growth periodicity and stable carbon isotope ratios of tree ring cellulose of a tree species with C 4 photosynthesis and compared these data to those of a C 3 tree species from the same habitat. The investigated species, Māmane (Sophora chrysophylla, C 3 ) and 'Akoko (Euphorbia olowaluana, C 4 ), are small endemic Hawaiian trees sampled from a rather dry, high elevation site on the ridge between Mauna Loa and Mauna Kea on the island of Hawai'i, USA. A relatively strong correlation in ring patterns was found within the 'Akoko and the Māmane individuals as well as with ring-width patterns from a nearby population of introduced Deodar cedar (Cedrus deodara) trees that serve as a reference. This correlation is evidence that the C 4 -plant 'Akoko may form annual growth rings. In addition to being the first demonstration of annual growth rings in a C 4 plant, our findings have important implications for future climate change research in Hawai'i. Unlike plants with a C 3 -photosynthetic pathway, C 4 plants do not show strong discrimination against 13 C during the photosynthetic fixation of CO 2 . Thus, 'Akoko may provide a record of past atmospheric CO 2 concentration (CO 2 atm) that can be compared with, and possibly supplement, the well-known Keeling curve produced by the nearby Mauna Loa Atmospheric Observatory. Regression analysis indicates a significant relationship between 'Akoko δ 13 C averages and atmospheric δ 13 C values. Furthermore, time series of tree ring data from both species provide long-term information on the response of C 3 and C 4 -plants to increasing atmospheric CO 2 concentrations and climate change. Trends in δ 13 C (intrinsic water-use efficiency, iWUE) of the two species show similar responses in that both demonstrate an increase in iWUE over time and with increased CO 2 atm. 'Akoko and Māmane iWUE curves are different however, in that the 'Akoko (C 4 ) curve is non-linear and a significant increase could only be observed post 1975, while the Māmane curve shows a distinct linearly increasing trend throughout the observation period.Zusammenfassung: Jahrringe von Bäumen werden seit Jahrzehnten als Klima-und Umweltarchiv genutzt, um natürliche und anthropogene Veränderungen der letzten 1000 Jahre oder mehr zu rekonstruieren. Bis heute wurden Jahrringchronologien ausschließlich von Holzpflanzen mit dem C 3 -Photosynthesemechanismus erstellt. In dieser dendrochronologischen Studie wurden zum ersten Mal Untersuchungen zur Periodizität des Holzzuw...

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Section: Introductionmentioning

confidence: 89%

Towards establishing a new environmental archive – Annual growth periodicity, stable carbon isotope variability and reconstruction potential of 'Akoko (Euphorbia olowaluana), a native Hawaiian tree with C4 photosynthetic pathway

Ben¹,

Hart²,

Helle³

2017

Erdkunde

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“…Nevertheless, especially in case of tropical dendrochronology, a certain amount of stem disks is needed in combination with increment cores. The disks are used as a base to define ring boundaries and for this to support the boundaries defined based on analyzing increment cores 12,27,28 .…”

Section: Discussionmentioning

confidence: 99%

A Technical Perspective in Modern Tree-ring Research - How to Overcome Dendroecological and Wood Anatomical Challenges

Gärtner

Cherubini

Fonti

et al. 2015

JoVE

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Dendroecological research uses information stored in tree rings to understand how single trees and even entire forest ecosystems responded to environmental changes and to finally reconstruct such changes. This is done by analyzing growth variations back in time and correlating various plant-specific parameters to (for example) temperature records. Integrating wood anatomical parameters in these analyses would strengthen reconstructions, even down to intra-annual resolution. We therefore present a protocol on how to sample, prepare, and analyze wooden specimen for common macroscopic analyses, but also for subsequent microscopic analyses. Furthermore we introduce a potential solution for analyzing digital images generated from common small and large specimens to support time-series analyses. The protocol presents the basic steps as they currently can be used. Beyond this, there is an ongoing need for the improvement of existing techniques, and development of new techniques, to record and quantify past and ongoing environmental processes. Traditional wood anatomical research needs to be expanded to include ecological information to this field of research. This would support dendro-scientists who intend to analyze new parameters and develop new methodologies to understand the short and long term effects of specific environmental factors on the anatomy of woody plants.

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“…The main difficulties apart from unclear juvenile rings could be related to wedging rings in the outer part of the stem discs. This wedging effect did not consistently occur in slow growing parts between buttresses [11,33,35] but is often observed on the short radii of eccentric stem discs [18].…”

Section: Growth Patterns and Tree-ring Chronology Of Pericopsis Elatamentioning

confidence: 99%

“…Visual inspection of the patterns of wide and narrow ring-widths is crucial in the tropics [26,33] because inter-tree correlations are usually rather low. Inter-tree correlations for P. elata are comparable to Terminalia superba Engl.…”

Section: Growth Patterns and Tree-ring Chronology Of Pericopsis Elatamentioning

confidence: 99%

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Dendrochronological Potential in a Semi-Deciduous Rainforest: The Case of Pericopsis elata in Central Africa

Ridder

Toirambe

Bulcke

et al. 2014

Forests

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Abstract:The long-lived pioneer species Pericopsis elata is one of the rare tropical timbers on the list of the Convention on International Trade of Endangered Species, supporting the need for accurate and reliable growth data. In one planted and one natural forest in the Democratic Republic of Congo, respectively four and 37 Pericopsis stem disks were collected. The tree-ring series of planted trees were used to confirm annual tree-ring formation. For the natural forest, a tree-ring chronology with 24 stem disks ranged from 1852 up to 2008. This chronology was compared with time-series of local precipitation, resulting in a significant correlation with the second half of the rainy season (September-November). This seasonal precipitation was related with sea surface temperatures of the West Indian Ocean. Higher precipitation during El Niño years corresponded with higher tree-ring indices but differences were not significant. In addition, pointer years were rare and did not have a consistent link with extreme climatic conditions. The existence of annual tree rings encourages further tree-ring analyses of P. elata and other flagship timber species in order to further document climate-growth responses and to provide the long-term framework that is needed for sustainable management planning. OPEN ACCESSForests 2014, 5 3088

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A tree-ring based comparison of Terminalia superba climate–growth relationships in West and Central Africa

Cited by 44 publications

References 48 publications

Towards establishing a new environmental archive – Annual growth periodicity, stable carbon isotope variability and reconstruction potential of 'Akoko (Euphorbia olowaluana), a native Hawaiian tree with C4 photosynthetic pathway

Towards establishing a new environmental archive – Annual growth periodicity, stable carbon isotope variability and reconstruction potential of 'Akoko (Euphorbia olowaluana), a native Hawaiian tree with C4 photosynthetic pathway

A Technical Perspective in Modern Tree-ring Research - How to Overcome Dendroecological and Wood Anatomical Challenges

Dendrochronological Potential in a Semi-Deciduous Rainforest: The Case of Pericopsis elata in Central Africa

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