Landscape Pattern Response to Changes in Pattern Generation Rules: Land‐Use Legacies in Forestry

Wallin, David O.; Swanson, Frederick J.; Marks, Barbara J.

doi:10.2307/1941958

Cited by 148 publications

(65 citation statements)

References 31 publications

(36 reference statements)

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“…Current harvest patch patterns are particularly important in light of the persistent legacy left by current harvest patterns on future forest patterns (Nelson and Finn 1991, Wallin et al 1994, Bunnell et al 1999, Nelson and Wells 2000. This has important implications for future forest patterns that may result from regenerated harvest blocks.…”

Section: Discussionmentioning

confidence: 99%

Landscape Connectivity as a Function of Scale and Organism Vagility in a Real Forested Landscape

D’Eon¹,

Glenn²,

Parfitt³

et al. 2002

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ABSTRACT. Landscape connectivity is considered a vital element of landscape structure because of its importance to population survival. The difficulty surrounding the notion of landscape connectivity is that it must be assessed at the scale of the interaction between an organism and the landscape. We present a unique method for measuring connectivity between patches as a function of organism vagility. We used this approach to assess connectivity between harvest, old-growth, and recent wildfire patches in a real forested landscape in southeast British Columbia. By varying a distance criterion, habitat patches were considered connected and formed habitat clusters if they fell within this critical distance. The amount of area and distance to edge within clusters at each critical distance formed the basis of connectivity between patches. We then assessed landscape connectivity relative to old-growth associates within our study area based on species' dispersal abilities. Connectivity was greatest between harvest patches, followed by old-growth, and then wildfire patches. In old-growth patches, we found significant trends between increased connectivity and increased total habitat amount, and between decreased connectivity and increased old-growth harvesting. Highly vagile old-growth associates, such as carnivorous birds, perceive this landscape as connected and are able to access all patches. Smaller, less vagile species, such as woodpeckers, chickadees, and nuthatches, may be affected by a lack of landscape connectivity at the scale of their interaction with old-growth patches. Of particular concern is the northern flying squirrel (Glaucomys sabrinus), which we predict is limited in this landscape due to relatively weak dispersal abilities.

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Section: Discussionmentioning

confidence: 99%

Landscape Connectivity as a Function of Scale and Organism Vagility in a Real Forested Landscape

D’Eon¹,

Glenn²,

Parfitt³

et al. 2002

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“…The net increase in mature and older forests is likely a result of ingrowth from large areas of cutover lands, timber plantations, and areas of insect outbreaks and wildfire during the 20th and early 21st centuries in ponderosa pine and dry mixed-conifer forests on public and private lands that are now maturing (Hessburg and Agee 2003). This highlights the importance of landscape legacies and age class distributions in controlling future landscape development (Wallin et al 1994). These past land-use effects are especially important in low-productivity forest environments, where recovery from stand replacement disturbances can be slow.…”

Section: Discussionmentioning

confidence: 99%

Using an agent-based model to examine forest management outcomes in a fire-prone landscape in Oregon, USA

Spies¹,

White²,

Ager³

et al. 2017

E&S

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. 2017. Using an agent-based model to examine forest management outcomes in a fire-prone landscape in Oregon, USA. Ecology and Society 22 (1) ABSTRACT. Fire-prone landscapes present many challenges for both managers and policy makers in developing adaptive behaviors and institutions. We used a coupled human and natural systems framework and an agent-based landscape model to examine how alternative management scenarios affect fire and ecosystem services metrics in a fire-prone multiownership landscape in the eastern Cascades of Oregon. Our model incorporated existing models of vegetation succession and fire spread and information from original empirical studies of landowner decision making. Our findings indicate that alternative management strategies can have variable effects on landscape outcomes over 50 years for fire, socioeconomic, and ecosystem services metrics. For example, scenarios with federal restoration treatments had slightly less high-severity fire than a scenario without treatment; exposure of homes in the wildland-urban interface to fire was also slightly less with restoration treatments compared to no management. Treatments appeared to be more effective at reducing high-severity fire in years with more fire than in years with less fire. Under the current management scenario, timber production could be maintained for at least 50 years on federal lands. Under an accelerated restoration scenario, timber production fell because of a shortage of areas meeting current stand structure treatment targets. Trade-offs between restoration outcomes (e.g., open forests with large fire-resistant trees) and habitat for species that require dense older forests were evident. For example, the proportional area of nesting habitat for northern spotted owl (Strix occidentalis) was somewhat less after 50 years under the restoration scenarios than under no management. However, the amount of resilient older forest structure and habitat for white-headed woodpecker (Leuconotopicus albolarvatus) was higher after 50 years under active management. More carbon was stored on this landscape without management than with management, despite the occurrence of high-severity wildfire. Our results and further applications of the model could be used in collaborative settings to facilitate discussion and development of policies and practices for fire-prone landscapes.

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“…Liu et al 2012, Perera and is a major source of patterns, processes, and dynamics in forest landscapes. Disturbance regimes or management plans determine the composition and configuration of forest landscapes (Mladenoff et al 1993, Wallin et al 1994) and affect the processes that shape the distribution of populations and communities, genetic flows, water yield, soil erosion, and productivity, among other factors, at stand and landscape levels (Burton 1997, Saura et al 2011). On the other hand, the frequency, intensity and extent of disturbances are affected by the structure of the landscape (Cumming 2001).…”

Section: Disturbancementioning

confidence: 99%

Forest landscape ecology and global change: an introduction

Azevedo

Pinto

Perera

2014

Forest Landscapes and Global Change

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Landscape Pattern Response to Changes in Pattern Generation Rules: Land‐Use Legacies in Forestry

Cited by 148 publications

References 31 publications

Landscape Connectivity as a Function of Scale and Organism Vagility in a Real Forested Landscape

Landscape Connectivity as a Function of Scale and Organism Vagility in a Real Forested Landscape

Using an agent-based model to examine forest management outcomes in a fire-prone landscape in Oregon, USA

Forest landscape ecology and global change: an introduction

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