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Spatial and temporal patterns of rip...

Marburg, Anna E.

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Spatial and temporal patterns of riparian land cover, forests and littoral coarse wood in the northern highlands lake district, Wisconsin, United States of America.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Spatial and temporal patterns of riparian land cover, forests and littoral coarse wood in the northern highlands lake district, Wisconsin, United States of America./
作者:	Marburg, Anna E.
面頁冊數:	136 p.
附註:	Adviser: Monica G. Turner.
Contained By:	Dissertation Abstracts International67-09B.
標題:	Agriculture, Forestry and Wildlife. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3234547
ISBN:	9780542883057

Spatial and temporal patterns of riparian land cover, forests and littoral coarse wood in the northern highlands lake district, Wisconsin, United States of America.
Marburg, Anna E.

Spatial and temporal patterns of riparian land cover, forests and littoral coarse wood in the northern highlands lake district, Wisconsin, United States of America. - 136 p.

Adviser: Monica G. Turner.

Thesis (Ph.D.)--The University of Wisconsin - Madison, 2006.

In this dissertation I explore the ramifications of the combined pattern of abiotic drivers and human development in northern Wisconsin, USA for three aspects of the landscape: riparian land-cover change, riparian forest composition and structure, and littoral coarse wood. A study of land-cover change in 47 lakes from 1937-39 to 1996 revealed two common trajectories: (1) recovering clearcuts (15% of the study lakes), and (2) a combination of forest succession and increasing residential development (32% of lakes). Initial residential development in 1937-39 and subsequent increases in development were not related to initial lake attributes, nor was development associated with a change in water chemistry.

ISBN: 9780542883057Subjects--Topical Terms:

783690
Agriculture, Forestry and Wildlife.

Spatial and temporal patterns of riparian land cover, forests and littoral coarse wood in the northern highlands lake district, Wisconsin, United States of America.
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100 1 $a Marburg, Anna E. $3 1292023
245 1 0 $a Spatial and temporal patterns of riparian land cover, forests and littoral coarse wood in the northern highlands lake district, Wisconsin, United States of America.
300 $a 136 p.
500 $a Adviser: Monica G. Turner.
500 $a Source: Dissertation Abstracts International, Volume: 67-09, Section: B, page: 4822.
502 $a Thesis (Ph.D.)--The University of Wisconsin - Madison, 2006.
520 $a In this dissertation I explore the ramifications of the combined pattern of abiotic drivers and human development in northern Wisconsin, USA for three aspects of the landscape: riparian land-cover change, riparian forest composition and structure, and littoral coarse wood. A study of land-cover change in 47 lakes from 1937-39 to 1996 revealed two common trajectories: (1) recovering clearcuts (15% of the study lakes), and (2) a combination of forest succession and increasing residential development (32% of lakes). Initial residential development in 1937-39 and subsequent increases in development were not related to initial lake attributes, nor was development associated with a change in water chemistry.
520 $a In a survey of 60 lakes stratified along a development gradient, I found little variation in riparian forest composition among nearby lakes or between lakeshores and inland forests. Extensive forest harvest 100 years ago and subsequent succession may have contributed to the lack of differentiation. Unlike composition, stand structure did vary with fine-scale changes in shoreline slope, soil texture and drainage. Stem size distributions suggest that many of the stands are on the cusp of transitioning to later successional forest. Neither overstory composition nor stem density was related to building density. However, the density of snags and downed wood declined with increased residential development.
520 $a Finally; a re-census of littoral coarse wood in four lakes initially surveyed in 1996 found a net accumulation of up to 1.9 logs km-1 yr-1; possibly due to species turnover in the surrounding forest. After only one year of submersion, there were detectable differences in decay rate among 11 species submerged in the littoral zone. Larix laricina had the highest rate of decay (9% of initial mass), followed closely by Acer saccharum and Betula papyrifera (both 4%).
520 $a Taken together, these three chapters paint a portrait of the NHLD as a landscape shaped largely by abiotic forces, often acting at coarse scales, but with some processes under the control of fine-scale drivers---both physical and anthropogenic. These results underscore the importance of historical context when studying spatial patterns of human development and their consequences for ecosystems.
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650 4 $a Biology, Ecology. $3 1017726
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710 2 0 $a The University of Wisconsin - Madison. $3 626640
773 0 $t Dissertation Abstracts International $g 67-09B.
790 $a 0262
790 1 0 $a Turner, Monica G., $e advisor
791 $a Ph.D.
792 $a 2006
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3234547