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Changing Land and People Across the High Divide : = A Land Use Transition Analysis.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Changing Land and People Across the High Divide :/
其他題名:	A Land Use Transition Analysis.
作者:	Swette, Briana de Souza Leao.
面頁冊數:	1 online resource (164 pages)
附註:	Source: Dissertations Abstracts International, Volume: 84-04, Section: B.
Contained By:	Dissertations Abstracts International84-04B.
標題:	Livestock. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=29342244click for full text (PQDT)
ISBN:	9798351498355

Changing Land and People Across the High Divide : = A Land Use Transition Analysis.
Swette, Briana de Souza Leao.

Changing Land and People Across the High Divide :A Land Use Transition Analysis. - 1 online resource (164 pages)

Source: Dissertations Abstracts International, Volume: 84-04, Section: B.

Thesis (Ph.D.)--Stanford University, 2022.

Includes bibliographical references

The rangelands in the American West are changing as part of an ongoing land use transition. Exurban development in very rural places continues to expand, as ranching and managed livestock grazing declines. Traditional rural residents are frequent neighbors to telecommuting amenity migrants and urban recreationists, leading to new social interactions and intensified conflicts in rural spaces. There is widespread concern over the loss and fragmentation of rangeland habitat due to exurban development, but the ecological consequences of changing livestock grazing regimes is uncertain. One response to multi-faceted rural change in the American West has been the emergence of collaborative processes that bring multiple stakeholders together to maintain working landscapes, but the possibility of these approaches to resolve conflicts and guide rural transitions is still being tested.What are the drivers of a multi-faceted land use transitions on rangelands and what do the impacts and responses to those transitions mean for the future of rural spaces and ecologies? This dissertation sought to answer this motivating question by looking closely at the land use transition in one region of the American West-the High Divide in the Northern Rocky Mountains. Utilizing a social-ecological systems approach, I investigated the drivers, ecological impacts, and social responses to changes on rangelands.The second chapter of this dissertation asks how and why public lands grazing has changed on two National Forests in Idaho's High Divide. While the existing literature identifies broad-scale drivers of change on rangelands, few studies have looked closely at how livestock grazing has changed at regional scales and tied those changes to specific multi-level drivers. I created a spatially explicit grazing history since 1940 through a detailed analysis of United States Forest Service (USFS) management records. I used the full suite of records to qualitatively process-trace the proximate causes of changes in grazing and identify the decision-makers, and quantitatively tested which underlying factors were associated with changes in grazing. The forage annually consumed by livestock in our study area declined by 62% since 1940, the equivalent of about 33,000 fewer cows grazing on public lands for a three-month summer period. Livestock grazing was closed on 21% of the total study area. The reductions in grazing were mainly caused by land management and policy factors: evaluations of range condition (27%), carrying capacity estimates (21%) and legal and administrative requirements (14%) derived from the Endangered Species Act (ESA) and National Environmental Protection Act (NEPA). The socio-economic causes of ranch economics (14%) and amenity migration (8%) were comparatively small. Overlap with wilderness and proximity to amenity towns were significant spatial predictors of reductions in grazing. The research highlights that the fate of publicly-owned but privately-used rangelands largely depends on institutions that can reconcile the competing demands on these lands.In the third chapter, I investigated how changes in grazing regimes are impacting conifer encroachment into rangelands using a natural experiment design and image analysis of very high-resolution aerial photos. The dynamic interface between forest and rangelands is an important facet of global change, and many factors simultaneously drive shifts over time.

Electronic reproduction.
Ann Arbor, Mich. :
ProQuest,
2023

Mode of access: World Wide Web

ISBN: 9798351498355Subjects--Topical Terms:

539534
Livestock.
Index Terms--Genre/Form:

542853
Electronic books.

Changing Land and People Across the High Divide : = A Land Use Transition Analysis.
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