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The Importance of Including New Spec...

Matheus, Trevis J.

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The Importance of Including New Species and Wood Anatomy Techniques in Dendrochronology.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	The Importance of Including New Species and Wood Anatomy Techniques in Dendrochronology./
作者:	Matheus, Trevis J.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 2017,
面頁冊數:	101 p.
附註:	Source: Dissertation Abstracts International, Volume: 78-11(E), Section: B.
Contained By:	Dissertation Abstracts International78-11B(E).
標題:	Environmental science. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=10278421
ISBN:	9780355040388

The Importance of Including New Species and Wood Anatomy Techniques in Dendrochronology.
Matheus, Trevis J.

The Importance of Including New Species and Wood Anatomy Techniques in Dendrochronology. - Ann Arbor : ProQuest Dissertations & Theses, 2017 - 101 p.

Source: Dissertation Abstracts International, Volume: 78-11(E), Section: B.

Thesis (Ph.D.)--Indiana University, 2017.

Dendrochronology has been an active scientific field since the early 20th century. Although the methods used in dendrochronology have advanced over the last 100 years, there is room for improvement. In this dissertation, I examine the importance of site and species selection, as well as the significance of wood anatomy to the subfields of dendrochronology, including: dendroarchaeology, dendrogeomorphology and dendroclimatology. The three primary research topics are (1) dating of historic structures at Spring Mill State Park in southern Indiana, (2) determining the environmental factors influencing of high elevation Picea engelmannii at the southern extent of their range in northern New Mexico, and (3) developing a method for the use of Pinus edulis in sub-annual climate analysis.

ISBN: 9780355040388Subjects--Topical Terms:

677245
Environmental science.

The Importance of Including New Species and Wood Anatomy Techniques in Dendrochronology.
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520 $a Dendrochronology has been an active scientific field since the early 20th century. Although the methods used in dendrochronology have advanced over the last 100 years, there is room for improvement. In this dissertation, I examine the importance of site and species selection, as well as the significance of wood anatomy to the subfields of dendrochronology, including: dendroarchaeology, dendrogeomorphology and dendroclimatology. The three primary research topics are (1) dating of historic structures at Spring Mill State Park in southern Indiana, (2) determining the environmental factors influencing of high elevation Picea engelmannii at the southern extent of their range in northern New Mexico, and (3) developing a method for the use of Pinus edulis in sub-annual climate analysis.
520 $a The results from the first topic show the importance of using a nearby forest when dating timbers from logs in pioneer cabins. The construction dates of two buildings were confirmed while the third building was found to be built much later than expected. Interestingly, we determined the primary species preferred by these pioneer settlers for construction was Liriodendron tuilipifera despite the presence of harder durable trees. The results from the second topic show that growth of high elevation, trees in New Mexico is limited by both precipitation and temperature. However, this climate signal is masked by a high number of disturbances, identifiable by traumatic resin ducts within the wood. Avalanches or rock falls are likely causes of these disturbances, although it is it is difficult to say for certain as the state does not have an official avalanche record keeping service. Climate reconstructions may not be possible for these high elevation sites however, with a different sampling protocol avalanches could be reconstructed. The results of the third chapter indicate that it is possible to use resin ducts for determining the boundary of the early and latewood in P. edulis, a widespread species in the western U.S. Interestingly, the climate signal for P. edulis was in the earlywood and related to cool-season precipitation. This method enables P. edulis to be used in cool-season reconstructions throughout the western U.S. This method proved easy to implement, required no specialized skills or equipment outside of standard dendrochronological techniques, and can be applied to other species of Pinus that do not exhibit a clear earlywood to latewood transition.
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