Modelling Boreal Forest Succession At Broad Scales
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Author | : H.H. Shugart |
Publisher | : Springer |
Total Pages | : 0 |
Release | : 2012-09-05 |
Genre | : Science |
ISBN | : 9781461264613 |
This book is a consideration of the dynamics of forested systems at the time and spatial scales that 1 feel are implied by our present-day use of the term "succession." The investigation will be conducted by exercising a set of ecological models called "gap models," which have been in a state of development and improvement for the past 15 years. It is the intent of this book to use these models as tools for exploring theories of ecological succession. Ecological succession is one of the most obvious and demonstrable features of natural systems when viewed from outside the field of ecology. Succession is used by teachers as a theory that introduces young people to the interactive and dynamic nature of ecosystems. Succession theory and examples of succession are proclaimed from legions of nature trail guidebooks and placards. It is a pleasant classroom exercise to discuss how ecological systems change as the product of internal mechanisms that can be demonstrated by observaaon. The deductive explanation of how a particular place came to have a given assemblage of tree species has a pleasing "Sherlock Holmesian" touch that can be challenging to puzzle through.
Author | : M. Drescher |
Publisher | : |
Total Pages | : 68 |
Release | : 2008 |
Genre | : Nature |
ISBN | : |
Forest succession can be viewed, from a tree-centric point of view, as the temporal pattern of changes in tree species composition that occur following a disturbance that destroyed the existing forest cover, and includes the initial re-establishment of the forest cover. Fire is one such natural disturbance in boreal forests. The broad goal of the work reported here was to explore the body of boreal forest succession knowledge, to elucidate its strengths, weaknesses, and gaps, and to quantify its levels of uncertainty.--Document.
Author | : Herman H. Shugart |
Publisher | : Cambridge University Press |
Total Pages | : 584 |
Release | : 2005-03-07 |
Genre | : Nature |
ISBN | : 9780521619738 |
The world's boreal forests, which lie to the south of the Arctic, are considered to be the Earth's most significant terrestrial ecosystems. A panel of ecologists here provide a synthesis of the important patterns and processes which occur in boreal forests and review the principal mechanisms which control the forest's patterns.
Author | : |
Publisher | : |
Total Pages | : 588 |
Release | : 2006 |
Genre | : Forests and forestry |
ISBN | : |
Author | : Eric S. Kasischke |
Publisher | : Springer Science & Business Media |
Total Pages | : 490 |
Release | : 2012-08-22 |
Genre | : Science |
ISBN | : 0387216294 |
A discussion of the direct and indirect mechanisms by which fire and climate interact to influence carbon cycling in North American boreal forests. The first section summarizes the information needed to understand and manage fires' effects on the ecology of boreal forests and its influence on global climate change issues. Following chapters discuss in detail the role of fire in the ecology of boreal forests, present data sets on fire and the distribution of carbon, and treat the use of satellite imagery in monitoring these regions as well as approaches to modeling the relevant processes.
Author | : Karel Prach |
Publisher | : Cambridge University Press |
Total Pages | : 413 |
Release | : 2020-05-14 |
Genre | : Nature |
ISBN | : 1108472761 |
Provides a comparative approach to plant succession among all terrestrial biomes and disturbances, helping to reveal generalizable patterns.
Author | : Norman Charles Kenkel |
Publisher | : Sault Ste. Marie : Ontario Forest Research Institute |
Total Pages | : 172 |
Release | : 1998 |
Genre | : Technology & Engineering |
ISBN | : |
Describes a study undertaken to develop a synoptic model of forest succession (vegetation dynamics) in the north-western Ontario boreal region. Successional trends were inferred using two complementary approaches: analysis of class size distributions of trees and species vital attributes, and enumeration of stands at different post-fire ages. A sample of 1,389 plots enumerated within a study area of about 184,000 square kilometres was used. Cover values and detailed information on edaphic and landform variables were collected from each plot. Model development included classification into one of 12 vegetation stand types, summarizing of successional trajectories for each stand type, and synthesis of the trajectories to create a synoptic forest succession model that recognizes two self-perpetuating forest canopy types.
Author | : Ajith H. Perera |
Publisher | : Springer |
Total Pages | : 324 |
Release | : 2015-07-27 |
Genre | : Science |
ISBN | : 3319198092 |
Forest landscape disturbances are a global phenomenon. Simulation models are an important tool in understanding these broad scale processes and exploring their effects on forest ecosystems. This book contains a collection of insights from a group of ecologists who address a variety of processes: physical disturbances such as drought, wind, and fire; biological disturbances such as defoliating insects and bark beetles; anthropogenic influences; interactions among disturbances; effects of climate change on disturbances; and the recovery of forest landscapes from disturbances—all from a simulation modeling perspective. These discussions and examples offer a broad synopsis of the state of this rapidly evolving subject.
Author | : Ajith H. Perera |
Publisher | : Columbia University Press |
Total Pages | : 352 |
Release | : 2008-01-11 |
Genre | : Nature |
ISBN | : 0231503083 |
What is a natural forest disturbance? How well do we understand natural forest disturbances and how might we emulate them in forest management? What role does emulation play in forest management? Representing a range of geographic perspectives from across Canada and the United States, this book looks at the escalating public debate on the viability of natural disturbance emulation for sustaining forest landscapes from the perspective of policymakers, forestry professionals, academics, and conservationists. This book provides a scientific foundation for justifying the use of and a solid framework for examining the ambiguities inherent in emulating natural forest landscape disturbance. It acknowledges the divergent expectations that practitioners face and offers a balanced view of the promises and challenges associated with applying this emerging forest management paradigm. The first section examines foundational concepts, addressing questions of what emulation involves and what ecological reasoning substantiates it. These include a broad overview, a detailed review of emerging forest management paradigms and their global context, and an examination of the ecological premise for emulating natural disturbance. This section also explores the current understanding of natural disturbance regimes, including the two most prevalent in North America: fire and insects. The second section uses case studies from a wide geographical range to address the characterization of natural disturbances and the development of applied templates for their emulation through forest management. The emphasis on fire regimes in this section reflects the greater focus that has traditionally been placed on understanding and managing fire, compared with other forms of disturbance, and utilizes several viewpoints to address the lessons learned from historical disturbance patterns. Reflecting on current thinking in the field, immediate challenges, and potential directions, the final section moves deeper into the issues of practical applications by exploring the expectations for and feasibility of emulating natural disturbance through forest management.
Author | : Ajith H. Perera |
Publisher | : |
Total Pages | : 44 |
Release | : 2006 |
Genre | : Nature |
ISBN | : |
This prospectus presents a broad framework for a series of research studies to investigate Ontario boreal forest fire regime at multiple scales. The broad research goal is to reduce uncertainties in knowledge about boreal forest fire regimes related to policy directions in Ministry of Natural Resources' Forest management guide for natural disturbance pattern emulation. The research studies are grouped into three categories: reviews and syntheses of published literature; determining the characteristics of the broad-scale fire regime in boreal Ontario; and spatial mapping and monitoring.