John L. Innes

British Columbia. Forest Science Program

David J. Wilford

M. E. Sakals

"Forested alluvial and colluvial fans can be runout zones for debris flows and debris floods, and are subject to floods. Forest management activities on areas of fans with this hydrogeomorphic activity can exacerbate the effects of these events and lead to substantial damage to infrastructure. This handbook presents a six-step hazard recognition scheme that enables forest practitioners to prepare appropriate strategies and prescriptions"--Abstract

Hydrogeomorphic Hazards and General Prescriptions

Forest Management on Fans

Martin Beniston

This volume contains a selection of scientific papers which were presented at an international workshop on the impacts of climatic variability held in Wengen, Switzerland, September 1997. For the first time, an assessment is made of the interactions between physical and biological elements of the Earth System on the basis of shifts in extreme climatic conditions, rather than simply changes in mean atmospheric conditions which research has tended to focus on until recently. Natural ecosystems and forests are typical examples of systems which, while constrained within certain ranges of mean climate, can undergo rapid and often irreversible damage in the face of short-lived but intense extreme events.

The Impacts of Climate Variability on Forests

Gordon M. Hickey

Hans Fredrik Hoen

This book, which contains 14 chapters, considers the interactions between forestry and environmental (climatic) change, from social and economic perspectives. Topics discussed include: deforestation in temperate and tropical forests, the application of forest zoning as an alternative to multiple use forestry, capital management, establishment of large-scale reserves in temperate and boreal forests, and social revolutions in forest management. This book will be of significant interest to those studying forestry, climate change and natural resource economics.

Socioeconomic and Political Dimensions : Report No. 5 of the IUFRO Task Force on Environmental Change

Forestry and Environmental Change

Great Britain. Forestry Commission

Forest condition is now assessed annually in most European countries. This field book provides details of assessment procedures used by the Forestry Commission in their main monitoring programme. Although this programme is restricted to Sitka spruce, Norway spruce, Scots pine, oak and beech, the techniques that are described are applicable with little or no modification to most other tree species. While emphasis has been placed on the assessment of crown density, a variety of other indexes are also used. These are described and an assessment system is provided for each parameter. The additional indices enable a full description to be made of the condition of a tree.

Assessment of Tree Condition

Michel M. Verstraete

JOHN L. INNES University of British Columbia, Vancouver, Canada The interactions between biomass burning and climate have been brought into focus by a number of recent events. Firstly, the Framework Convention on Climate Change and, more recently, the Kyoto Protocol, have drawn the attention of policy makers and others to the importance of biomass burning in relation to atmospheric carbon dioxide concentrations. Secondly, the use of prescribed fires has become a major management tool in some countries; with for example the area with fuel treatments (which include prescribed burns and mechanical treatments) having increased on US National Forest System lands from 123,000 ha in 1985 to 677,000 ha in 1998. Thirdly, large numbers of forest fires in Indonesia, Brazil, Australia and elsewhere in 1997 and 1998 received unprecedented media attention. Consequently, it is appropriate that one of the Wengen Workshops on Global Change Research be devoted to the relationships between biomass burning and climate. This volume includes many of the papers presented at the workshop, but is also intended to act as a contribution to the state of knowledge on the int- relationships between biomass burning and climate change. Previous volumes on biomass burning (e. g. Goldammer 1990,Levine 1991a, Crutzen and Goldammer 1993, Levine 1996a, 1996b, Van Wilgen et al. 1997) have stressed various aspects of the biomass–climate issue, and provide a history of the development of our understanding of the many complex relationships that are involved.

John L. Innes

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