Proceedings [of the ] Semi-annual Meeting

Proceedings [of the ] Semi-annual Meeting PDF Author: American Feed Manufacturers' Association. Nutrition Council
Publisher:
ISBN:
Category : Feeds
Languages : en
Pages : 626

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Proceedings [of the ] Semi-annual Meeting

Proceedings [of the ] Semi-annual Meeting PDF Author: American Feed Manufacturers' Association. Nutrition Council
Publisher:
ISBN:
Category : Feeds
Languages : en
Pages : 626

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Proceedings of the Annual Meeting of Livestock Conservation, Inc

Proceedings of the Annual Meeting of Livestock Conservation, Inc PDF Author: Livestock Conservation, Inc
Publisher:
ISBN:
Category : Animal industry
Languages : en
Pages : 66

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Catalogue of the Public Documents of the ... Congress and of All Departments of the Government of the United States for the Period from ... to ...

Catalogue of the Public Documents of the ... Congress and of All Departments of the Government of the United States for the Period from ... to ... PDF Author: United States. Superintendent of Documents
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 2556

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Current Catalog

Current Catalog PDF Author: National Library of Medicine (U.S.)
Publisher:
ISBN:
Category : Medicine
Languages : en
Pages : 1442

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First multi-year cumulation covers six years: 1965-70.

Biological & Agricultural Index

Biological & Agricultural Index PDF Author:
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 1440

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The Changing Alpine Treeline

The Changing Alpine Treeline PDF Author: David R. Butler
Publisher: Elsevier
ISBN: 0080957099
Category : Science
Languages : en
Pages : 223

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Book Description
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

The Anterior-Based Muscle-Sparing Approach to Total Hip Arthroplasty

The Anterior-Based Muscle-Sparing Approach to Total Hip Arthroplasty PDF Author: Jeffrey A. Geller
Publisher: Springer Nature
ISBN: 3031020596
Category : Medical
Languages : en
Pages : 242

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Book Description
The minimally invasive, anterior-based muscle-sparing (ABMS) approach to total hip arthroplasty (THA) is utilized worldwide in select locations as an effective surgical technique. As the name suggests, it is completely muscle-sparing and touts the benefits of anterior-based surgery, including a lower dislocation rate, quicker return to baseline function, and lower narcotic use than many other surgical approaches. However, there is a paucity of collected information on the technique and research associated with this technique. This text serves as a compendium of information for those surgeons interested in utilizing this surgical approach as an all-inclusive reference. As an alternative anterior-based approach to the direct anterior surgical approach, some surgeons may find the technique an improved alternative for anterior hip-based surgery. Opening chapters present the history of the anterolateral approach and how to transition to the ABMS approach, including surgical anatomy. ABMS technique with the patient positioned in both the lateral and supine positions are then presented, including associated video segments. Considerations such as implant selection, fixation, and other tips and tricks are shared, along with comparisons to other approaches, patient-reported outcomes, complications and revision surgery techniques, and rehabilitation strategies. For hip surgeons looking to expand their armamentarium of surgical approaches, The Anterior-Based Muscle-Sparing Approach to Total Hip Arthroplasty is a terrific resource.

Index of Conference Proceedings Received

Index of Conference Proceedings Received PDF Author: British Library. Document Supply Centre
Publisher:
ISBN:
Category : Conference proceedings
Languages : en
Pages : 792

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Research Accomplishments

Research Accomplishments PDF Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 140

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Forest Service Research Accomplishments

Forest Service Research Accomplishments PDF Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 148

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Book Description