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Eastern Hemlock

Latin name:
Tsuga canadensis

Extracted from a waterfront pier near Wilmington, Delaware, the tree used to make this portion of the pier
actually came from a forest located in central Pennsylvania. The outermost tree ring dates to the late 1830s.

Giant Sequoia

Latin name:
Sequoiadendron giganteum

A close up of numerous fire scars on a giant sequoia cross section from Sequoia National Park in California, dating back well prior to A.D. 1000. Look closely! Can you find the sad bearded face cradled by his hands, as if he was crying?

Douglas-fir

Latin name:
Pseudotsuga menziesii

This photo shows the tree rings from a beam extracted many years ago from a pueblo in northeastern Arizona. The section shows many false rings and many micro-rings, suggesting this tree may have been growing in a marginal environment.

Ponderosa Pine

Latin name:
Pinus ponderosa

Close up of tree rings of a ponderosa pine collected at El Malpais National Monument in New Mexico, USA, showing tree rings centered around A.D. 1400. Notice the variability in ring widths indicative of sensitivity to year-to-year variation in precipitation.

Douglas-fir

Latin name:
Pseudotsuga menziesii

Perhaps my most requested image of tree rings, obtained from a small Douglas-fir growing in the Zuni Mountains of west-central New Mexico by my colleagues Rex Adams and Chris Baisan. Not very old, but has some of the most beautiful rings of all my displays!

White Oak

Latin name:
Quercus alba

Oak cores from the Hoskins House in Greensboro, North Carolina, site of a famous battle during the Revolutionary War. The house was built from trees cut in 1811 to 1813, not cut and built in the 1780s as the historical agency had hoped.

Ponderosa Pine

Latin name:
Pinus ponderosa

This ponderosa pine once grew at El Morro National Monument in New Mexico, USA, and was cut many years ago. Once you get up close to the stump, you can see a very old scar from a fire many hundreds of years ago that scarred the tree when it only about 12 years old!

Bahamian Pine

Latin name:
Pinus caribaea var. bahamensis

We collected many cross sections of Bahamian pines that had been cut for an industrial park on the island of Abaco, but the rings are very difficult to date! Many false rings, and the pine appears to terminate tree growth during the dry season.

Longleaf Pine

Latin name:
Pinus palustris

This cross section was one of many that came from an old crib dam across a creek that was exposed after a modern dam broke in Hope Mills, North Carolina in 2003. Such sections from old-growth longleaf pines are very rare and provide information on climate back to AD 1500!

White Oak

Latin name:
Quercus alba

Sometimes you don't have to look far to find beauty in wood, and sometimes it may not be a living tree! After an oak tree was cut a year or two before this section was obtained, decay fungi had already set in, beginning to break the wood down to its basic elements.

Southwestern White Pine

Latin name:
Pinus strobiformis

I collected this fire-scarred pine on Mt. Graham in southern Arizona in fall 1991, and it remains one of the best examples of how we can determine the season of fire by looking at the position of the scar within the ring.

Bristlecone Pine

Latin name:
Pinus longaeva

Bristlecone pines have become one of the best proxy records for those who study the history of volcanic eruptions because the cool temperatures caused by these eruptions create "frost rings" that form when the cells implode from the cold.

Eastern Redcedar

Latin name:
Juniperus virginiana

Many well-preserved eastern redcedar sections have been recovered from prehistoric sites in eastern Tennessee, and they have more than enough rings to date, but we don't have a long enough living-tree reference chronology to overlap with them!

Red Oak

Latin name:
Quercus rubra

Oak is by far the most common genus we find in the many historic structures we date using tree rings in the Southeastern U.S. The genus has good ring variability and rarely has problem rings. This section came from a historic tavern in Lexington, Virginia.

Sugar Maple

Latin name:
Acer saccharum

Maple, birch, beech, and basswood are all examples of hardwood species that form diffuse porous wood, meaning that the ring contains many small-diameter vessels all through the ring. Identifying the ring boundary on this wood type is a challenge to tree-ring scientists.

Live Oak

Latin name:
Quercus virginiana

Live oak is an example of an evergreen oak, which is not common within this genus. As such, the wood is semi-ring porous and the rings are very difficult to see and date. Ring growth is also very erratic, not forming the concentric around the tree that we require.

Douglas-fir

Latin name:
Pseudotsuga menziesii

These cores were collected on Mt. Graham in southern Arizona and show a major suppression event beginning in 1685 when missing rings became evident, followed by many micro-rings. This suppression was caused by a major wildfire in 1685!

Ponderosa Pine

Latin name:
Pinus ponderosa

I find it amazing what trees can record in their tree rings! Here we see a cross section of a pine that was damaged by a major flood in the year 1945 in the Chiricahua Mountains of southern Arizona. Notice the reaction wood that formed afterward.

Pignut Hickory

Latin name:
Carya glabra

Sometimes gray-scale imagery helps define tree rings when measuring. Although classified as "ring porous" species, the rather ill-defined tree rings in hickory tree species form large earlywood vessels and smaller latewoood vessels.

Subalpine Fir

Latin name:
Abies lasiocarpa

Decay has set in on the tree rings of this dead and downed subalpine fir that once grew on Apex Mountain in British Columbia, Canada, but the tree rings can still be measured and crossdated despite this!

White Fir

Latin name:
Abies concolor

We found a beautiful fire scar on this white fir that was used to build a cabin in the Valles Caldera of New Mexico. Thought to have been built in the early 1900s, we instead found the cabin was built form white fir and Douglas-fir trees cut in 1941.

Overcup Oak

Latin name:
Quercus lyrata

These oak cores were collected in northeastern Arkansas to investigate a change in the hydrologic regime of a wildlife refuge beginning in the 1990s. We found that trees at this site experienced a major disturbance event in the 1960s.

Western Juniper

Latin name:
Juniperus occidentalis

Near Frederick Butte in central Oregon, we discovered an unusual stand of western junipers that had the most unusual lobate growth forms we had ever seen. This site yielded a drought-sensitive chronology dating back to the AD 800s!

West Indies Pine

Latin name:
Pinus occidentalis

Above 3000 meters on the highest peak in the Carribean, we found an entire forest of these pines, many with fire scars, living on a steep rocky slope. The forest looked more like the dry ponderosa pine forests of the western U.S.

Whitebark Pine

Latin name:
Pinus albicaulis

Whitebark pines growing in the northern Rockies of the western U.S. can grow to be over 1,000 years old, but the species is slowly being decimated by the introduced white pine blister rust. Many of these ancient trees are now dead with ghostly white trunks.

Shagbark Hickory

Latin name:
Carya ovata

Curiously, tree-ring scientists rarely analyze some of the more common hardwood species in the eastern U.S., such as this hickory, perhaps because such forest interior trees may contain a weak climate signal necessary for crossdating.

Virginia Pine

Latin name:
Pinus virginiana

Blue stain found in many sections of dead pines (both in the western and eastern U.S.) is caused by a fungus carried by a pine beetle. The fungus spreads into the phloem and sapwood of living and dead pines, sometimes creating stunning patterns!

Pinyon Pine

Latin name:
Pinus edulis

Burned sections of pinyon pine are commonly found in archaeological sites in the southwestern U.S. These sections can be carefully broken or surfaced with a razor to reveal the ring structure inside to assist in dating the years of construction of the site.

Red Spruce

Latin name:
Picea rubens

Conifers in the highest elevations of the Appalachians of the eastern U.S., such as this red spruce, don't experience wildfires very often, but when fires do occur, they can create numerous fire scars even in this fire-intolerant species. Notice the growth release!

White Spruce

Latin name:
Picea glauca

This tree was located in the Canadian Rockies on the toe slope of an active avalanche path. The scar was created by a debris flow or snow avalanche which struck the tree, killing a section of the living tissue. The avalanche can therefore be dated to its exact year!

Engelmann Spruce

Latin name:
Picea engelmannii

I worked considerably in the spruce-fir forests of southern Arizona in my earliest years in dendrochronology, and learned that trees with limited sensitivity can provide a vast amount of information on the history of these forests.

Ponderosa Pine

Latin name:
Pinus ponderosa

The lava flows of El Malpais National Monument in New Mexico contain vast amounts of remnant wood, mostly ponderosa pines such as this sample, and the tree rings on these samples go back nearly 2000 years! Notice the year AD 1400 on this section.

Chestnut Oak

Latin name:
Quercus montana

In the southeastern U.S., hardwood species are often scarred by wildfire. Most often, this also will cause considerable decay in the sample, but this oak had several well preserved fire scars, suggesting fire was common in these drier, lower elevation sites.

Ponderosa Pine

Latin name:
Pinus ponderosa

I originally sampled this stump in 1991 for its fire scars, located in El Malpais National Monument of New Mexico. I found it again 20 years later and was happy you could still see the tree rings and fire scars clearly! It had originally been logged in the 1930s!

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Reading about Dendrochronology    

Below you'll find what I feel are classic references about tree-ring research. If you're looking for basic information about tree rings (for example, how to date tree rings), start with the general references below. One of these books should suit your needs - they range from easy-to-read books for all ages to more technical books for more advanced scientists. If you're interested in finding a reference about a more specific topic (for example, about the bristlecone pines), scroll down to the specific references. I've also added sections to this page to help those interested in learning about particular subjects in dendrochronology, such as dating fire scars from tree rings. To conduct a comprehensive search on any particular topic (or by author, keyword, or site information), please visit the online Dendrochronology Bibliographic Database.

Quick links:

Dendroarchaeology
Dendroclimatology: General
Dendroclimatology: El Niño
Dendroclimatology: Carbon Dioxide Fertilization
Dendroecology: General
Dendroecology: Air Pollution, Water Pollution, and Forest Decline
Dendroecology: Stand Dynamics and History
Dendroentomology
Dendrogeomorphology
Dendroglaciology
Dendrohydrology
Dendropyrochronology

If you are interested in any of the books listed below, be sure to check out my tree-ring bookstore to see if they're still available for sale, either used or new!

General References

 

Fundamentals of Tree-Ring Research

James H. Speer (2010). Tucson, Arizona; University of Arizona Press. ISBN 978-0-8165-2684-0. The first book in over 40 years that helps explain the basics of tree-ring science, from the history of the field, to basic field techniques, to all the major applications. Great pictures throughout and this book will be a must-have in the libraries of all dendrochronologists. Will likely become the most cited book ever in our field. Easy to read, for beginners, but appealing to experts as well.

 

La Dendroécologie. Principes, Méthodes et Applications

 Serge Payette and Louise Filion, editors (2011). Presses de l'Université Laval. ISBN 978-2-7637-9086-2. Editors Serge Payette and Louise Filion bring together 26 chapters by 46 authors, all recognized for their expertise in the field of dendroecology. This volume brings together knowledge, often unpublished data and examples that will enable readers to discover and appreciate woody plants which, by simple formation of wood and tree-ring growth, transform into real environmental archives.

 

Tree Rings and Environment: Dendroecology

Fritz H. Schweingruber (1996). Swiss Federal Institute for Forest, Snow and Landscape Research, and Paul Haupt Verlag. 609 pp. ISBN 3-258-05458-4. Easily one of the most influential books in all of dendrochronology. The text in Dr. Schweingruber's book is easy to read, much like lecture notes from formal instruction in dendroecology. I especially like the wealth of topics covered as well as the numerous excellent quality pictures throughout. Easy to read, slightly technical in some portions.

 

Tree-Ring Dating and Archaeology

Michael G.L. Baillie (1982). Chicago, Illinois: The University of Chicago Press. 274 pp. A classic work on the development of the millennial-length oak tree-ring chronology from Ireland and Northern Ireland. Details much of the dissertation work by Dr. Baillie. Easy to read, moderately technical in some portions. Unfortunately, this is out of print, but you should be able to find it in any of several online bookstores.

 

Methods of Dendrochronology - Applications in the Environmental Sciences

 Edward R. Cook and Leonardas A. Kairiukstis, editors (1990). Dordrecht, The Netherlands: Kluwer Academic Publishers and International Institute for Applied Systems Analysis. 394 pp. Contains 45 chapters written by the most famous of dendrochronologists, covering all subjects of dendrochronology, including data gathering, statistical analysis, and environmental relations. Moderately to very technical.

 

Tree Rings and Climate

Harold C. Fritts (1976 and 2001). Publisher (1976): New York, NY: Academic Press. 567 pp. Publisher (2001): Caldwell, New Jersey: Blackburn Press. Perhaps the most cited reference in all of dendrochronology. Everything you need to know about the climate/tree growth relationship is here, including response functions, reconstructions of climate, and basic tree physiology concerning the formation of annual rings. And, it has been brought back into print by Blackburn Press! Moderately technical.

 

Climate from Tree Rings

Malcolm K. Hughes, P.M. Kelly, Jon R. Pilcher, and Valmore C. LaMarche, Jr., editors (1980). New York, New York: Cambridge University Press. 223 pp. Contains some of the classic references in dendrochronology by over 50 authors. This volume is most valuable in its analyses of geographic locations, where dendrochronology has been practiced and where it is feasible. Unfortunately, this book is out of print, but should be available at most university libraries. Moderately technical.

 

Multilingual Glossary of Dendrochronology

Michele Kaennel and Fritz H. Schweingruber (1995). Berne, Switzerland: Paul Haupt Publishers. 467 pp. A wealth of information, this book contains several hundred definitions of terms used in dendrochronology, and provides German, French, Spanish, Italian, Portuguese, and Russian translations! Contains many references, figures, and a list of species. Easy to read, for all age classes.

 

Tree Rings: Basics and Applications of Dendrochronology

 Fritz H. Schweingruber (1987). Dordrecht, The Netherlands: D. Reidel Publishing Company. 276 pp. Beautifully illustrated, this book is well written and easily understandable by those in all levels of education. Literally covers all topics related to dendrochronology. Easy to read, for all age classes.

 

 Trees and Wood in Dendrochronology

Fritz H. Schweingruber (1993). Berlin, Germany: Springer-Verlag. 402 pp. This book provides enormous information, using numerous photographs, on the "...morphological, anatomical, and tree-ring analytical characteristics of trees frequently used in dendrochronology." Easy to read, only moderately difficult in some portions. Available still from the publisher.

 

An Introduction to Tree-Ring Dating

Marvin A. Stokes and Terah L. Smiley (1968 and 1996). Publisher (1968): Chicago, IL: The University of Chicago Press. 73 pp. Publisher (1996): Tucson, Arizona: The University of Arizona Press. Another of the most cited references, this book provides well-illustrated information about the very basics of dendrochronology, for example, mounting cores and creating skeleton plots. Easy to read, for all age classes.

 

Measuring growth and development of stems

Frank W. Telewski and Ann M. Lynch (1991). In Lassoie, J.P., and Hinckley, T.M., eds., Techniques and Approaches in Forest Tree Ecophysiology. CRC Press, Boca Raton: 503-555. A wonderful, well-illustrated, general article that will be appealing to a wide variety of people, from high schoolers to university professors. Discusses overall stem growth of trees, measurements of radial growth, stem analysis, cambial marking, instrumentation, and microdensitometry, to name a few subjects. Moderately technical.

 

References Arranged by Subject

 

Dendroarchaeology

Bauch, J., and Eckstein, D. 1981. Wood biological investigations on panels of Rembrandt paintings. Wood Science and Technology 15: 251-263.

Dean, J.S. 1969. Chronological analysis of Tsegi phase sites in northeastern Arizona. Papers of the Laboratory of Tree-Ring Research 3. The University of Arizona, Tucson. 207 pp.

Douglass, A.E. 1929. The secret of the Southwest solved by talkative tree rings. National Geographic Magazine 56(6): 736-770.

Euler, R.C., Gumerman, G.J., Karlstrom, T.N.V., Dean, J.S., and Hevly, R.H. 1979. The Colorado Plateaus: Cultural dynamics and palaeoenvironment. Science 205: 1089-1101.

Hillam, J. 1998. Dendrochronology: guidelines on producing and interpreting dendrochronological dates. Ancient Monuments Laboratory, Conservation and Technology, English Heritage, London. 35 pp.

Huber, B., and Jazewitsch, W. von 1958. Jahrringuntersuchungen an Pfahlbauhölzern. [Tree-ring investigations on timbers from lake-dwellings.] Flora 146: 445-471.

Morgan, R.A. 1975. The selection and sampling of timber from archaeological sites for identification and tree-ring analysis. Journal of Archaeological Science 2: 221-230.

Stahle, D.W., Cook, E.R., and White, J.W.C. 1985. Tree-ring dating of baldcypress and the potential for millennia-long chronologies in the Southeast. American Antiquity 50(4): 796-802.

Stallings, Jr., W.S. 1960. Dating prehistoric ruins by tree-rings. Laboratory of Anthropology, Santa Fe, New Mexico, General Series, Bulletin 8. 18 pp.

 

Dendroclimatology: General

Briffa, K.R., Bartholin, T.S., Eckstein, D., Jones, P.D., Karlén, W., Schweingruber, F.H., Zetterberg, P. 1990. A 1,400-year tree-ring record of summer temperatures in Fennoscandia. Nature 346: 434-439.

Douglass, A.E. 1920. Evidence of climatic effects in the annual rings of trees. Ecology 1(1): 24-32.

Fritts, H.C. 1965. Tree-ring evidence for climatic changes in western North America. Monthly Weather Review 93(7): 421-443.

Fritts, H.C. 1971. Dendroclimatology and dendroecology. Quaternary Research 1: 419-449.

Graumlich, L.J. 1993. A 1000-year record of temperature and precipitation in the Sierra Nevada. Quaternary Research 39(2): 249-255.

Hughes, M.K. 1991. The tree-ring record. In R.S. Bradley, ed., Global Changes of the Past. UCAR, Office for Interdisciplinary Earth Studies, Boulder, Colorado: 117-137

Schulman, E. 1938. Nineteen centuries of rainfall history in the southwest. Bulletin of the American Meteorological Society 19(5): 211-216.

Schweingruber, F.H. 1996. Dendrochronologie - ein jahrgenauer Massstab zur Entschluesselung der Umwelt- und Menschheitgeschichte. [Dendrochronology - a precise annual measure for the resolution of environmental and human history.] Naturwissenschaften 83: 370-377.

Schweingruber, F.H., Bräker, O.U., and Schär, E. 1979. Dendroclimatic studies on conifers from central Europe and Great Britain. Boreas 8(4): 427-452.

 

Dendroclimatology: El Nino

Cook, E.R. 1992. Using tree rings to study past El Niño/Southern Oscillation influences on climate. In Diaz, H.F., and Markgraf, V., eds., El Niño: Historical and Paleoclimatic Aspects of the Southern Oscillation. Cambridge University Press, New York: 203-214.

D'Arrigo, R.D., and Jacoby, G.C. 1991. A 1000-year record of winter precipitation from northwestern New Mexico, USA: a reconstruction from tree-rings and its relation to El Niño and the Southern Oscillation. The Holocene 1(2): 95-101

Lough, J.M., and Fritts, H.C. 1985. The Southern Oscillation and tree rings: 1600-1961. Journal of Climate and Applied Meteorology 24(9): 952-966.

Stahle, D.W., and Cleaveland, M.K. 1993. Southern Oscillation extremes reconstructed from tree rings of the Sierra Madre Occidental and southern Great Plains. Journal of Climate 6(1): 129-140.

Swetnam, T.W., and Betancourt, J.L. 1990. Fire-Southern Oscillation relations in the southwestern United States. Science 249: 1017-1020.

Woodhouse, C.A. 1993. Tree-growth response to ENSO events in the central Colorado Front Range. Physical Geography 14(5): 417-435.

 

Dendroclimatology: Carbon Dioxide Fertilzation

Cook, E.R., Francey, R.J., Buckley, B.M., and D'Arrigo, R.D. 1996. Recent increases in Tasmanian huon pine ring widths from a subalpine stand: Natural climate variability, CO2 fertilisation, or greenhouse warming? Papers and Proceedings of the Royal Society of Tasmania 130(2): 65-72.

Graumlich, L.J. 1991. Subalpine tree growth, climate, and increasing CO2: An assessment of recent growth trends. Ecology 72(1): 1-11.

Hari, P., and Arovaara, H. 1988. Detecting CO2 induced enhancement in the radial increment of trees. Evidence from the northern timber line. Scandinavian Journal of Forest Research 3: 67-74.

Jacoby G.C., and D'Arrigo R.D. 1997. Tree rings, carbon dioxide, and climatic change. Proceedings of the National Academy of Sciences of the United States of America 94(16): 8350-8353.

Kienast, F., and Luxmoore, R.J. 1988. Tree-ring analysis and conifer growth responses to increased atmospheric CO2 levels. Oecologia 76: 487-495

Knapp, P., Soulé, P.T., and Grissino-Mayer, H.D. 2001. Detecting potential regional effects of increased atmospheric CO2 on growth rates of western juniper. Global Change Biology 7(8): 903-917.

LaMarche, Jr., V.C., Graybill, D.A., Fritts, H.C., and Rose, M.R. 1984. Increasing atmospheric carbon dioxide: tree ring evidence for growth enhancement in natural vegetation. Science 225: 1019-1021.

 

Dendroecology: General

Banks, J.C.G. 1991. A review of the use of tree rings for the quantification of forest disturbances. Dendrochronologia 9: 51-70.

Fritts, H.C. 1971. Dendroclimatology and dendroecology. Quaternary Research 1: 419-449.

Fritts, H.C., and Swetnam, T.W. 1989. Dendroecology: A tool for evaluating variations in past and present forest environments. Advances in Ecological Research 19: 111-188.

 

Dendroecology: Air Pollution, Water Pollution, and Forest Decline

Ashby, W.C., and Fritts, H.C. 1972. Tree growth, air pollution, and climate near LaPorte, Ind. Bulletin of the American Meteorological Society 53(3): 246-251.

Baes, III, C.F., and McLaughlin, S.B. 1984. Trace elements in tree rings: evidence of recent and historical air pollution. Science 224: 494-497.

Cogbill, C.V. 1977. The effect of acid precipitation on tree growth in eastern North America. Water, Air, and Soil Pollution 8: 89-93.

Cook, E.R., Johnson, A.H., and Blasing, T.J. 1987. Forest decline: modeling the effect of climate in tree rings. Tree Physiology 3: 27-40.

Eckstein, D., and Krause, C. 1989. Dendroecological studies on spruce trees to monitor environmental changes around Hamburg. IAWA Bulletin 10(2): 175-182.

Hagemeyer, J. 1993. Monitoring trace metal pollution with tree rings: A critical reassessment. In  B. Markert, ed., Plants as Biomonitors. Indicators for Heavy Metals in the Terrestrial Environment. VCN Weinheim, New York: 541-563.

Innes, J.L. 1992. Forest decline. Progress in Physical Geography 16(1): 1-64.

Nash, III, T.H., Fritts, H.C., and Stokes, M.A 1975. A technique for examining non-climatic variation in widths of annual tree rings with special reference to air pollution. Tree-Ring Bulletin 35: 15-24.

Sutherland, E.K., and Martin, B. 1990. Growth response of Pseudotsuga menziesii to air pollution from copper smelting. Canadian Journal of Forest Research 20: 1020-1030.

 

Dendroecology: Stand Dynamics and History

Abrams, M.D., Orwig, D.A., and Demeo, T.E. 1995. Dendroecological analysis of successional dynamics for a presettlement-origin white-pine-mixed-oak forest in the southern Appalachians, USA. Journal of Ecology 83: 123-133.

Henry, J.D., and Swan, J.M.A. 1974. Reconstructing forest history from live and dead plant material - an approach to the study of forest succession in southwest New Hampshire. Ecology 55: 772-783.

Foster, D.R. 1988. Disturbance history, community organization and vegetation dynamics of the old-growth Pisgah Forest, south-western New Hampshire, U.S.A. Journal of Ecology 76: 105-134.

Johnson, E.A., and Fryer, G.I. 1989. Population dynamics in lodgepole pine-Engelmann spruce forests. Ecology 70(5): 1335-1345.

Payette, S., and Gagnon, R. 1979. Tree-line dynamics in Ungava peninsula, northern Quebec. Holarctic Ecology 2(4): 239-248.

Savage, M. 1991. Structural dynamics of a southwestern pine forest under chronic human influence. Annals of the Association of American Geographers 81(2): 271-289.

Veblen, T.T., Hadley, K.S., and Reid, M.S. 1991. Disturbance and stand development of a Colorado subalpine forest. Journal of Biogeography 18: 707-716.

 

Dendroentomology

Blais, J.R. 1962. Collection and analysis of radial-growth data from trees for evidence of past spruce budworm outbreaks. The Forestry Chronicle 38(4): 474-484.

Brubaker, L.B. 1978. Effects of defoliation by Douglas fir tussock moth on ring sequences of Douglas fir and grand fir. Tree-Ring Bulletin 38: 49-60

Morrow, P.A., and LaMarche, Jr., V.C. 1978. Tree ring evidence for chronic insect suppression of productivity in subalpine Eucalyptus. Science 201: 1244-1246.

Swetnam, T.W., and Lynch, A.M. 1993. Multicentury, regional-scale patterns of western spruce budworm outbreaks. Ecological Monographs 63(4): 399-424.

Swetnam, T.W., Thompson, M.A., and Sutherland, E.K 1985. Using dendrochronology to measure radial growth of defoliated trees. USDA Forest Service Agricultural Handbook No. 639. 39 pp.

Veblen, T.T., Hadley, K.S., Reid, M.S., and Rebertus, A.J. 1991. Methods of detecting past spruce beetle outbreaks in Rocky Mountain subalpine forests. Canadian Journal of Forest Research 21: 242-254.

Weber, U.M. 1997. Dendroecological reconstruction and interpretation of larch budmoth (Zeiraphera diniana) outbreaks in two central alpine valleys of Switzerland from 1470-1990. Trees 11: 277-290.

 

Dendrogeomorphology

Alestalo, J. 1971. Dendrochronological interpretation of geomorphic processes. Fennia 105: 1-140.

Baillie, M.G.L., and Munro, M.A.R. 1988. Irish tree rings, Santorini and volcanic dust veils. Nature 332: 344-346.

Butler, D.R. 1987. Teaching general principles and applications of dendrogeomorphology. Journal of Geological Education 35: 64-70.

Heikkinen, O. 1994. Using dendrochronology for the dating of land surfaces. In C. Beck, ed., Dating in Exposed and Surface Contexts. University of New Mexico Press, Albuquerque: 213-235.

Shroder, Jr., J.F. 1980. Dendrogeomorphology: review and new techniques of tree-ring dating. Progress in Physical Geography 4(1): 161-188.

Shroder, Jr., J.F., and Butler, D.R. 1987. Tree-ring analysis in the earth sciences. In G.C. Jacoby, Jr. and J.W. Hornbeck, eds.  Proceedings of the International Symposium on Ecological Aspects of Tree-Ring Analysis. U.S. Department of Energy, Publication CONF-8608144: 186-212.

Yamaguchi, D.K. 1983. New tree-ring dates for recent eruptions of Mount St. Helens. Quaternary Research 20: 246-250.

 

Dendroglaciology

Holzhauser, H., and Zumbuehl, H.J. 1996. On the history of the Lower Grindelwald Glacier during the last 2800 years - palaeosols, fossil wood and historical pictorial records - new results. Zeitschrift für Geomorphologie 104: 95-127.

Karlén, W. 1984. Dendrochronology, mass balance and glacier front fluctuations in northern Sweden. In N.-A. Moerner and W. Karlén, eds., Climatic Changes on a Yearly to Millennial Basis. D. Reidel Publishing Company, Dordrecht: 263-271.

LaMarche, Jr., V.C., and Fritts, H.C. 1971. Tree rings, glacial advance, and climate in the Alps. Zeitschrift für Gletscherkunde und Glazialgeologie 7(1-2): 125-131.

Lawrence, D.B. 1950. Estimating dates of recent glacier advances and recession rates by studying tree growth layers. Transactions, American Geophysical Union 31(2): 243-248.

Luckman, B.H. 1994. Glacier fluctuation and tree-ring records for the last millennium in the Canadian Rockies. Quaternary Science Reviews 12: 441-450.

Luckman, B.H., and Osborn, G.D. 1979. Holocene glacier fluctuations in the middle Canadian Rocky Mountains. Quaternary Research 11: 52-77.

Matthews, J.A. 1977. Glacier and climate fluctuations inferred from tree-growth variations over the last 250 years, central southern Norway. Boreas 6: 1-24.

Sigafoos, R.S., and Hendricks, E.L. 1961. Botanical evidence of the modern history of Nisqually Glacier, Washington. U.S. Geological Survey Professional Paper 387-A: 1-20.

 

Dendrohydrology

Bégin, Y., and Payette, S. 1988. Dendroecological evidence of lake-level changes during the last three centuries in subarctic Quebec. Quaternary Research 30: 210-220.

Cook, E.R., and Jacoby, G.C. 1983. Potomac River streamflow since 1730 as reconstructed by tree rings. Journal of Climate and Applied Meteorology 22(10): 1659-1672.

Harrison, S.S., and Reid, J.R. 1967. A flood-frequency graph based on tree-scar data. Proceedings of the North Dakota Academy of Science 21: 23-33.

Jones, P.D., Briffa, K.R., and Pilcher, J.R. 1984. Riverflow reconstruction from tree rings in southern Britain. Journal of Climatology 4: 461-472.

Stockton, C.W. 1975. Long-term streamflow records reconstructed from tree rings. Papers of the Laboratory of Tree-Ring Research 5. The University of Arizona Press, Tucson. 111 pp.

Stockton, C.W., and Fritts, H.C. 1973. Long-term reconstruction of water level changes for Lake Athabasca by analysis of tree rings. Water Resources Bulletin 9(5): 1006-1027.

Yanosky, T.M. 1984. Documentation of high summer flows on the Potomac River from the wood anatomy of ash trees. Water Resources Bulletin 20(2): 241-250.

 

Dendropyrochronology

Arno, S.F., and Sneck, K.M. 1977. A method for determining fire history in coniferous forests of the mountain west. USDA Forest Service General Technical Report INT-42. 28 pp.

Baisan, C.H., and Swetnam, T.W. 1990. Fire history on a desert mountain range: Rincon Mountain Wilderness, Arizona, U.S.A. Canadian Journal of Forest Research 20: 1559-1569.

Bergeron, Y., and Archambault, S. 1993. Decreasing frequency of forest fires in the southern boreal zone of Quebec and its relation to global warming since the end of the 'Little Ice Age.' The Holocene 3(3): 255-259.

Dieterich, J.H., and Swetnam, T.W. 1984. Dendrochronology of a fire-scarred ponderosa pine. Forest Science 30(1): 238-247.

Engelmark, O. 1984. Forest fires in the Maddus National Park (northern Sweden) during the past 600 years. Canadian Journal of Botany 62: 893-898.

Lehtonen, H., and Huttunen, P. 1997. History of forest fires in eastern Finland from the fifteenth century AD - the possible effects of slash-and-burn cultivation. The Holocene 7(2): 223-228.

Swetnam, T.W. 1993. Fire history and climate change in giant sequoia groves. Science 262: 885-889.

 

Specific References
The early history of North American dendrochronology:

Nash, S. 1999. Time, Trees, and Prehistory: Tree-Ring Dating and the Development of North American Archaeology, 1914-1950. University of Utah Press, Salt Lake City. 294 pp.

 

The dating of the pueblos in the Southwestern U.S.:

Douglass, A.E. 1929. The secret of the Southwest solved by talkative tree rings. National Geographic Magazine 56(6): 736-770.

 

Learning the importance of crossdating:

Douglass, A.E. 1941. Crossdating in dendrochronology. Journal of Forestry 39: 825-831.

 

Effects of the surrounding environment on old-aged trees:

Schulman, E. 1954. Longevity under adversity in conifers. Science 119: 396-399.

 

The discovery of the oldest known trees, the bristlecone pines:

Schulman, E. 1958. Bristlecone pine, oldest known living thing. National Geographic Magazine 113(3): 354-372.

 

Standardization techniques using time series analyses:

Cook, E.R. 1985. A time series analysis approach to tree ring standardization. Ph.D. dissertation, The University of Arizona, Tucson. 171 pp.

 

Assessing the quality of crossdating and measurement of tree rings:

Grissino-Mayer, H.D. 2001. Evaluating crossdating accuracy: A manual and tutorial for the computer program COFECHA. Tree-Ring Research 57(2): 205-221.

 

Learning to use increment borers:

Phipps, R.L. 1985. Collecting, preparing, crossdating, and measuring tree increment cores. U.S. Geological Survey Water-Resources Investigations Report 85-4148. 48 pp.

 

The life and research of Andrew E. Douglass, the founder of dendrochronology:

Webb, G.E. 1983. Tree Rings and Telescopes: The Scientific Career of A.E. Douglass. Tucson, AZ: The University of Arizona Press. 242 pp.

 

Tree and shrub species used in dendrochronology:

Grissino-Mayer, H.D. 1993. An updated list of species used in tree-ring research. Tree-Ring Bulletin 53: 17-45.

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