Stable-Carbon Isotope Time Series from Tropical Tree Rings Indicate a Precipitation Signal

Fichtler, Esther; Helle, Gerhard; Worbes, Martin

doi:10.3959/2008-20.1

Cited by 59 publications

(40 citation statements)

References 47 publications

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“…McCarroll and Loader 2004). A strong influence of rainfall on c i (and thereby tree ring d 13 C) was also found in other studies of dry sites in the tropics (Fichtler et al 2010;Gebrekirstos et al 2009) or temperate regions (McCarroll and Loader 2004), and after correcting for changes in atmospheric [CO 2 ], d…”

Section: Physiological Responses To Inter-annual Variation In Climatesupporting

confidence: 73%

“…However, others do not find such growth increases, and argue that CO 2 fertilisation does not affect the growth of tropical forest (Clark et al 2010;Körner 2003). Predicted changes in the hydrological cycle include increases in soil humidity and runoff, and reductions in rainfall (Betts et al 2004;Gedney et al 2006;Henderson-Sellers et al 1995 (Cullen et al 2008;Fichtler et al 2010;Gebrekirstos et al 2009). Here, we analysed carbon isotope ratios (d 13 C) over the last 40 years in tree rings of Mimosa acantholoba, a tropical dry forest pioneer species from southern Mexico.…”

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confidence: 99%

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Stable carbon isotopes in tree rings indicate improved water use efficiency and drought responses of a tropical dry forest tree species

Brienen

Wanek

Hietz

2010

Trees

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Understanding the responses of tropical trees to increasing [CO 2 ] and climate change is important as tropical forests play an important role in carbon and hydrological cycles. We used stable carbon isotopes (d 13 C) in tree rings to study the physiological responses of a tropical dry forest tree species in southern Mexico, Mimosa acantholoba to changes in atmospheric [CO 2 ] and variation in climate. Based on annual records of tree ring d 13 C, we calculated intrinsic water use efficiency (W i ) and intercellular [CO 2 ] (c i ). Our results showed that trees responded strongly to the increase in atmospheric [CO 2 ] over the last four decades; W i increased dramatically by 40%, while c i remained largely constant. The maintenance of a constant c i indicates that photosynthetic rates are unlikely to have increased in response to higher [CO 2 ], and that improvements in W i are probably due to a reduction in stomatal conductance. This may have large consequences for the hydrological cycle. Inter-annual variation in c i was strongly correlated with total annual rainfall (r = 0.70), and not influenced by temperature, solar radiation or cloud cover. Our results show that d 13 C in tree rings of tropical dry forest trees may be a powerful tool to evaluate long-term responses of trees to increasing [CO 2 ] and to variation in climate.

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Section: Physiological Responses To Inter-annual Variation In Climatesupporting

confidence: 73%

mentioning

confidence: 99%

Stable carbon isotopes in tree rings indicate improved water use efficiency and drought responses of a tropical dry forest tree species

Brienen

Wanek

Hietz

2010

Trees

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“…Although d 13 C fractions do respond to water availability (cf. Gebrekirstos et al 2009;Fichtler et al 2010 Brienen et al (2006) b Brienen et al (2010c) c Zuidema et al (2010) Forest dynamics: towards a reconstruction of disturbance history ''Where are all the large trees, if this is a virgin tropical forest?''. This question was posed by Hartshorn (1978) in a publication on forest turnover in Costa Rica.…”

Section: Fluctuations In Growing Conditions and Physiological Responsmentioning

confidence: 99%

Dendroecology in the tropics: a review

Rozendaal

Zuidema

2010

Trees

214

121

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Over the last decade the field of tropical dendroecology has developed rapidly and major achievements have been made. We reviewed the advances in three main themes within the field. First, long chronologies for tropical tree species were constructed which allowed climate reconstructions, revealed sources of climatic variation and clarified climate-growth relations. Other studies combined tree-ring data and stable isotope ( 13 C and 18 O) measurements to evaluate the response of tropical trees to climatic variation and changes. A second set of studies assessed long-term growth patterns of individual trees throughout their life. These studies enhanced the understanding of growth trajectories to the canopy, quantified autocorrelated tree growth and yielded new estimates of tree ages. Such studies were also used to reconstruct the disturbance history of tropical forests. The last set of studies applied tree-ring data to growth models. Tree-ring data can replace diameter measurements from research plots, provide additional information to construct population models, improve timber yield models and validate model output. Based on our review, we propose two main directions for future research.(1) An evaluation of the causes and consequences of growth variation within and among trees and their relation to environmental variation. Studies evaluating this directly contribute to improved understanding of tropical tree ecology. (2) The simultaneous measurement of widths and stable isotope fractions in tree rings offers the potential to study responses of trees to climatic change. Given the major role of tropical forests in the global carbon cycle, knowing these responses is of high priority.

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“…Brienen et al, 2011;Cernusak et al, 2007;Fichtler et al, 2010;Gebrekirstos et al, 2009;Hietz et al, 2005;Nock et al, 2011). …”

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Multiple tree-ring chronologies (ring width, δ13C and δ18O) reveal dry and rainy season signals of rainfall in Indonesia

Schollaen

Heinrich

Neuwirth

et al. 2013

Quaternary Science Reviews

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104

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Climatic hazards, such as severe droughts and floods, affect extensive areas across monsoon Asia and can have profound impacts on the populations of that region. The area surrounding Indonesia, including large portions of the eastern Indian Ocean and Java Sea, plays a key role in the global climate system because of the enormous heat and moisture exchange that occurs between the ocean and atmosphere there. Here, we evaluate the influence of rainfall variability on multiple treering parameters of teak (Tectona grandis) trees growing in a lowland rain forest in Central Java (Indonesia). We assess the potential of, annually resolved, tree-ring width, stable carbon ( 13 C) and oxygen ( 18 O) isotope records to improve our understanding of the Asian monsoon variability.Climate response analysis with regional, monthly rainfall data reveals that all three tree-ring parameters are significantly correlated to rainfall, albeit during different monsoon seasons. Precipitation in the beginning of the rainy season (Sep-Nov) is important for tree-ring width, confirming previous studies. Compared to ring width, the stable isotope records possess a higher degree of common signal, especially during portions of the peak rainy season (

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Stable-Carbon Isotope Time Series from Tropical Tree Rings Indicate a Precipitation Signal

Cited by 59 publications

References 47 publications

Stable carbon isotopes in tree rings indicate improved water use efficiency and drought responses of a tropical dry forest tree species

Stable carbon isotopes in tree rings indicate improved water use efficiency and drought responses of a tropical dry forest tree species

Dendroecology in the tropics: a review

Multiple tree-ring chronologies (ring width, δ13C and δ18O) reveal dry and rainy season signals of rainfall in Indonesia

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