A LANDIS-II extension for simulating forest road networks

IF 1.7 3区 农林科学 Q2 FORESTRY Canadian Journal of Forest Research Pub Date : 2023-03-28 DOI:10.1139/cjfr-2022-0306
C. Hardy, C. Messier, O. Valeria, É. Filotas
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引用次数: 1

Abstract

Forest roads are an important part of forest management, both in terms of cost and impact on surrounding ecosystems. Existing tools to simulate the construction of forest roads have been designed for tactical or operational planning purposes, for relatively small areas (<10 000 ha) and small-scale topographic information. Hence, no forest road simulation tool properly exists to assist forest landscape ecology and management research. Here, we present the Forest Roads Simulation (FRS) extension for the LANDIS-II model—a spatially explicit landscape simulation model of forest succession and disturbances. The FRS extension simulates forest road networks via a least-cost path algorithm accounting for landscape structure, decision inputs, and forest road types. We demonstrate the accuracy with which the FRS extension reproduces several key characteristics of existing road networks in two managed regions in Quebec, Canada: road density, road position, and fragmentation of the landscape. The FRS extension is easy to parameterize, proposing many options for researchers to simulate forest road networks at a strategic level in managed landscapes. It can tackle new research questions investigating the effects of forest roads within management strategies, such as the cost of road construction and habitat fragmentation, across large management units and long planning horizons.
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用于模拟森林道路网络的LANDIS-II扩展
无论是从成本还是对周围生态系统的影响来看,森林道路都是森林管理的重要组成部分。现有的模拟森林道路建设的工具是为战术或业务规划目的而设计的,适用于相对较小的地区(<1万公顷)和小规模地形信息。因此,没有合适的森林道路模拟工具来辅助森林景观生态学和管理研究。本文提出了LANDIS-II模型的森林道路模拟(FRS)扩展,LANDIS-II模型是森林演替和扰动的空间显式景观模拟模型。FRS扩展通过考虑景观结构、决策输入和森林道路类型的最小成本路径算法模拟森林道路网络。我们展示了FRS扩展在加拿大魁北克省两个管理区域再现现有道路网络的几个关键特征的准确性:道路密度、道路位置和景观碎片化。FRS扩展很容易参数化,为研究人员在管理景观的战略层面模拟森林道路网络提供了许多选择。它可以解决在管理战略范围内调查森林道路影响的新研究问题,例如跨大型管理单位和长期规划的道路建设成本和生境破碎化。
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来源期刊
CiteScore
4.20
自引率
9.10%
发文量
109
审稿时长
3 months
期刊介绍: Published since 1971, the Canadian Journal of Forest Research is a monthly journal that features articles, reviews, notes and concept papers on a broad spectrum of forest sciences, including biometrics, conservation, disturbances, ecology, economics, entomology, genetics, hydrology, management, nutrient cycling, pathology, physiology, remote sensing, silviculture, social sciences, soils, stand dynamics, and wood science, all in relation to the understanding or management of ecosystem services. It also publishes special issues dedicated to a topic of current interest.
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