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Forest Science Database

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Abstract

Longitudinal and circumferential variation in the 13C/12C ratio of cellulose from leaves, twigs and wood is reported for Pinus edulis, P. monophylla, P. coulteri, P. ponderosa, P. muricata and Juniperus monosperma from sites in Arizona, New Mexico, Utah, Colorado and California. Results may be...

Author(s)
Leavitt, S. W.; Long, A.
Citation
Ecology, 1986, 67, 4, pp 1002-1010
Abstract

Isotopic carbon composition was determined in cores from Pinus edulis, P. monophylla, P. longaeva and P. ponderosa from 9 open-canopy sites (4 trees per site) in the SW USA. There were greater differences in variability of δ13C between sites than among species. There was no clear and prevalent...

Author(s)
Leavitt, S. W.; Long, A.
Publisher
Springer-Verlag, New York, USA
Citation
Stable isotopes in ecological research., 1988, pp 95-104
Abstract

Seasonal stable-carbon isotope patterns were measured of cellulose in tree rings from white pine (Pinus strobus) and silver maple (Acer saccharinum) for the years 1985-1989 from open-canopy forest stands in SE Wisconsin. The absolute δ13C values of maple were lower than those of pine, and the...

Author(s)
Leavitt, S. W.
Citation
Canadian Journal of Forest Research, 1993, 23, 2, pp 210-218
Abstract

The stable isotope composition of tree material, especially tree-ring cellulose, is now widely used as an environmental proxy and indicator of tree response to environmental fluctuations. Although the theoretical basis linking isotopic composition of C3 plant material to environmental and...

Author(s)
Hemming, D.; Fritts, H.; Leavitt, S. W.; Wright, W.; Long, A.; Shashkin, A.
Publisher
Istituto Italiano di Dendrocronologia, Verona, Italy
Citation
Dendrochronologia, 2001, 19, 1, pp 23-38
Abstract

Germinated seedlings of Pinus resinosa Ait. were cultivated in controlled-growth chambers to assess the influence of changing environmental factors on δ13C of secondary xylem tissue. Except for control cabinets, one environmental variable in each chamber was shifted step-wise during a 6-month...

Author(s)
Leavitt, S. W.
Publisher
Istituto Italiano di Dendrocronologia, Verona, Italy
Citation
Dendrochronologia, 2001, 19, 1, pp 9-22
Abstract

Major climatic impacts from ENSO and the North American Monsoon in the U.S. Southwest provide fortuitous circumstances for exploring the suitability of stable-carbon isotope (δ13C) composition of tree rings to represent and reconstruct interannual climate variability. We sampled ponderosa pine tree ...

Author(s)
Leavitt, S. W.; Wright, W. E.; Long, A.
Publisher
American Geophysical Union, Washington, USA
Citation
Journal of Geophysical Research, 2002, 107, D18, pp 4349
Abstract

High-resolution radiocarbon calibration for the last 14,000 cal yr has been developed in large part using European oaks and pines. Recent subfossil wood collections from the Great Lakes region provide an opportunity to measure 14C activity in decadal series of rings in North America prior to the...

Author(s)
Leavitt, S. W.; Panyushkina, I. P.; Lange, T.; Cheng Li; Schneider, A. F.; Hughes, J.
Publisher
Arizona Board of Regents, Arizona University, Arizona, USA
Citation
Radiocarbon, 2007, 49, 2, pp 855-864
Abstract

The field of dendrochronology had a developmental "head start" of at least several decades relative to the inception of radiocarbon dating in the late 1940s, but that evolution was sufficiently advanced so that unique capabilities of tree-ring science could assure success of the 14C enterprise. The ...

Author(s)
Leavitt, S. W.; Bannister, B.
Publisher
Arizona Board of Regents, Arizona University, Arizona, USA
Citation
Radiocarbon, 2009, 51, 1, pp 373-384
Abstract

The absolutely dated bristlecone pine (Pinus longaeva) tree-ring chronology spans almost 9000 years, offering great potential for inferring past environmental change. Existing ring width chronologies have been widely used to produce some of the most influential millennial length temperature...

Author(s)
Bale, R. J.; Robertson, I.; Leavitt, S. W.; Loader, N. J.; Harlan, T. P.; Gagen, M.; Young, G. H. F.; Csank, A. Z.; Froyd, C. A.; McCarroll, D.
Publisher
Sage Publications Ltd, London, UK
Citation
Holocene, 2010, 20, 1, pp 3-6
Abstract

Chir pine (Pinus roxburghii Sarg.) is a common tree species with ecological and economic importance across the subtropical forests of the central Himalayas. However, little is known about its growth response to the recent warming and drying trends observed in this region. Here, we developed a...

Author(s)
Sigdel, S. R.; Binod Dawadi; Camarero, J. J.; Liang ErYuan; Leavitt, S. W.
Publisher
MDPI AG, Basel, Switzerland
Citation
Forests, 2018, 9, 6, pp 340

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