The Changing Alpine Treeline

The alpine treeline ecotone (ATE) is an area of transition high on mountains where closed canopy forests from lower elevations give way to the open alpine tundra and rocky expanses above. Alpine tundra is an island biome and its ecotone with forest is subject to change, and like oceanic islands, alpine tundra is subject to invasion – or the upward advance of treeline. The invasion of tundra by trees will have consequences for the tundra biome as invasion does for other island flora and fauna. To examine the invasibility of tundra we take a plant’s-eye-view, wherein the local conditions become extremely important. Among these local conditions, we find geomorphology to be exceptionally important. We concentrate on aspects of microtopography (and microgeomorphology) and microclimate because these are the factors that matter: from the plant’s-eye-view, but we pay attention to multiple scales. At coarse scales, snow avalanches and debris flows are widespread and create “disturbance treelines whose elevation is well below those controlled by climate. At medium scales, turf-banked terraces create tread-and-riser topography that is a difficult landscape for a tree seedling to survive upon because of exposure to wind, dryness, and impenetrable surfaces. At fine scales, turf exfoliation of the fronts of turf-banked risers, and boulders, offer microsites where tree seedlings may find shelter and are able to gain a foothold in the alpine tundra; conversely, however, surfaces of needle-ice pans and frost heaving associated with miniature patterned ground production are associated with sites inimical to seedling establishment or survival. We explicitly consider how local scale processes propagate across scales into landscape patterns. The objective of this book is to examine the controls on change at alpine treeline. All the papers are focused on work done in Glacier National Park, Montana, USA. Although any one place is limiting, we are able to examine the alpine treeline here in some detail – and an advantage is that the treeline ecotone in Glacier National Park is quite variable in itself due to the underlying variability in geomorphology at multiple scales. This book will provide insights into an important ecological phenomenon with a distinctly geomorphic perspective. The editors collectively have over 100 years of experience in working in geomorphology, biogeography, and ecology. They also have each worked on research in Glacier National Park for several decades. The book will be a reference for a variety of professionals and students, both graduate and undergraduate, with interests in Physical Geography, Geomorphology, Ecology, and Environmental Science. Because of the importance of the alpine treeline ecotone for recreation and aesthetic interests in mountain environments, wildland and park managers will also use this book. * Subject matter: geomorphology at alpine treeline * Expertise of contributors: each editor brings over 25 years of experience in studies of ecotones and geomorphology, and collectively over 100 years of experience in Glacier National Park * Changing alpine treeline examines climate change

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  • Author : David R. Butler
  • Publisher : Elsevier
  • Pages : 224 pages
  • ISBN : 9780080957098
  • Rating : 4/5 from 21 reviews
CLICK HERE TO GET THIS BOOKThe Changing Alpine Treeline

The Changing Alpine Treeline

The Changing Alpine Treeline
  • Author : David R. Butler,George P. Malanson,Stephen J. Walsh,Daniel B. Fagre
  • Publisher : Elsevier
  • Release : 13 March 2009
GET THIS BOOKThe Changing Alpine Treeline

The alpine treeline ecotone (ATE) is an area of transition high on mountains where closed canopy forests from lower elevations give way to the open alpine tundra and rocky expanses above. Alpine tundra is an island biome and its ecotone with forest is subject to change, and like oceanic islands, alpine tundra is subject to invasion – or the upward advance of treeline. The invasion of tundra by trees will have consequences for the tundra biome as invasion does for other

Alpine and Polar Treelines in a Changing Environment

Alpine and Polar Treelines in a Changing Environment
  • Author : Gerhard Wieser
  • Publisher : MDPI
  • Release : 09 April 2020
GET THIS BOOKAlpine and Polar Treelines in a Changing Environment

Concerns have been raised with respect to the state of high-altitude and high-latitude treelines, as they are anticipated to undergo considerable modifications due to global changes, and especially due to climate warming. As high-elevation treelines are temperature-limited vegetation boundaries, they are considered to be sensitive to climate warming. As a consequence, in this future, warmer environment, an upward migration of treelines is expected because low air and root-zone temperatures constrain their regeneration and growth. Despite the ubiquity of climate warming,

Alpine Treelines

Alpine Treelines
  • Author : Christian Körner
  • Publisher : Springer Science & Business Media
  • Release : 26 May 2012
GET THIS BOOKAlpine Treelines

Alpine treelines mark the low-temperature limit of tree growth and occur in mountains world-wide. Presenting a companion to his book Alpine Plant Life, Christian Körner provides a global synthesis of the treeline phenomenon from sub-arctic to equatorial latitudes and a functional explanation based on the biology of trees. The comprehensive text approaches the subject in a multi-disciplinary way by exploring forest patterns at the edge of tree life, tree morphology, anatomy, climatology and, based on this, modelling treeline position,

A Substantial Upward Shift of the Alpine Treeline Ecotone in the Southern Canadian Rocky Mountains

A Substantial Upward Shift of the Alpine Treeline Ecotone in the Southern Canadian Rocky Mountains
  • Author : Anonim
  • Publisher : Unknown Publisher
  • Release : 24 January 2022
GET THIS BOOKA Substantial Upward Shift of the Alpine Treeline Ecotone in the Southern Canadian Rocky Mountains

Changes within and beyond the alpine treeline ecotone are hypothesized to respond to climatic changes and to be controlled by site-specific conditions. Repeated photographs show significant changes in the alpine treeline ecotone of Goodsir Pass in Kootenay National Park, B.C. over the past century. Field work revealed increases in tree density within the ecotone, and a 150 vertical metre increase in the elevation of the ecotone, at a rate of 2.2 metres/year. Change within the ecotone of Goodsir Pass is

A Substantial Upward Shift of the Alpine Treeline Ecotone in the Southern Canadian Rocky Mountains

A Substantial Upward Shift of the Alpine Treeline Ecotone in the Southern Canadian Rocky Mountains
  • Author : William Morgan Roush
  • Publisher : Unknown Publisher
  • Release : 24 January 2022
GET THIS BOOKA Substantial Upward Shift of the Alpine Treeline Ecotone in the Southern Canadian Rocky Mountains

Changes within and beyond the alpine treeline ecotone are hypothesized to respond to climatic changes and to be controlled by site-specific conditions. Repeated photographs show significant changes in the alpine treeline ecotone of Goodsir Pass in Kootenay National Park, B.C. over the past century. Field work revealed increases in tree density within the ecotone, and a 150 vertical metre increase in the elevation of the ecotone, at a rateof 2.2 metres/year. Change within the ecotone of Goodsir Pass is more

Modeling Complex Dynamics at Alpine Treeline Ecotones

Modeling Complex Dynamics at Alpine Treeline Ecotones
  • Author : Yu Zeng
  • Publisher : Unknown Publisher
  • Release : 24 January 2022
GET THIS BOOKModeling Complex Dynamics at Alpine Treeline Ecotones

Second, the impacts of geomorphologic factors that impose an exogenous spatial structure on alpine treeline dynamics, was examined, which shows that there is a geomorphic limit to the endogenous fractal alpine treeline dynamics. Third, the impacts of climate change that imposes an exogenous temporal structure on alpine treeline dynamics was examined, which suggests that the self-organization nature of alpine treeline dynamics will not be significantly affected by external climate change and the use of alpine treeline ecotones as potential indicator

Alpine and Polar Treelines in a Changing Environment

Alpine and Polar Treelines in a Changing Environment
  • Author : Gerhard Wieser
  • Publisher : Unknown Publisher
  • Release : 24 January 2022
GET THIS BOOKAlpine and Polar Treelines in a Changing Environment

Concerns have been raised with respect to the state of high-altitude and high-latitude treelines, as they are anticipated to undergo considerable modifications due to global changes, and especially due to climate warming. As high-elevation treelines are temperature-limited vegetation boundaries, they are considered to be sensitive to climate warming. As a consequence, in this future, warmer environment, an upward migration of treelines is expected because low air and root-zone temperatures constrain their regeneration and growth. Despite the ubiquity of climate warming,

Trees in a Changing Environment

Trees in a Changing Environment
  • Author : Michael Tausz,Nancy Grulke
  • Publisher : Springer
  • Release : 26 August 2014
GET THIS BOOKTrees in a Changing Environment

This book delivers current state-of-the-science knowledge of tree ecophysiology, with particular emphasis on adaptation to a novel future physical and chemical environment. Unlike the focus of most books on the topic, this considers air chemistry changes (O3, NOx, and N deposition) in addition to elevated CO2 effects and its secondary effects of elevated temperature. The authors have addressed two systems essential for plant life: water handling capacity from the perspective of water transport; the coupling of xylem and phloem water

Mountain Landscapes in Transition

Mountain Landscapes in Transition
  • Author : Udo Schickhoff,R.B. Singh,Suraj Mal
  • Publisher : Springer Nature
  • Release : 02 November 2021
GET THIS BOOKMountain Landscapes in Transition

This book compiles available knowledge of the response of mountain ecosystems to recent climate and land use change and intends to bridge the gap between science, policy and the community concerned. The chapters present key concepts, major drivers and key processes of mountain response, providing transdisciplinary orientation to mountain studies incorporating experiences of academics, community leaders and policy-makers from developed and less developed countries. The book chapters are arranged in two sections. The first section concerns the response processes of

The Effects of Fossorial Mammals on Alpine Treeline Dynamics in the American West

The Effects of Fossorial Mammals on Alpine Treeline Dynamics in the American West
  • Author : Clayton J. Whitesides
  • Publisher : Unknown Publisher
  • Release : 24 January 2022
GET THIS BOOKThe Effects of Fossorial Mammals on Alpine Treeline Dynamics in the American West

Alpine treelines are often used to monitor climate change. Although climate has been shown to have a considerable influence on treeline location, many fine-scale processes are also accountable for treeline dynamics. The geomorphic effects of burrowing mammals may provide conifer seedlings with refuge in previously inhospitable treeline environments and may result in treeline dynamics that are not directly associated with climate change.

Ecotones Between Forest and Grassland

Ecotones Between Forest and Grassland
  • Author : Randall W. Myster
  • Publisher : Springer Science & Business Media
  • Release : 10 July 2012
GET THIS BOOKEcotones Between Forest and Grassland

Ecotones are dynamic over-lapping boundary areas where major terrestrial biomes meet. As past studies have shown, and as the chapters in this book will illustrate, their structure, size, and scope have changed considerably over the millennia, expanding and shrinking as climate and/or other driving conditions, also changed. Today, however, many of them are changing at a rate not seen for a long time, perhaps largely due to climate change and other human-induced factors. Indeed ecotones are more sensitive to