Influence of high-contrast and low-contrast forest edges on growth rates of Lobaria pulmonaria in the inland rainforest, British Columbia

Coxson, Darwyn S.; Stevenson, Susan K.

doi:10.1016/j.foreco.2007.07.008

Cited by 35 publications

(25 citation statements)

References 37 publications

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“…Basal area at the sample sites within the variable-retention blocks ranged from 26 to 42 m 2 /ha; whereas basal area in the six mature forest sites ranged from 82 to 116 m 2 / ha. A more detailed description of the six study sites was provided by Coxson and Stevenson (2007b).…”

Section: Study Sitesmentioning

confidence: 99%

“…The specimens were tied loosely with braided fishing line to a 15-cm Â 25-cm rectangle of black plastic mesh, along with specimens of L. pulmonaria, which were already in place for another experiment (Coxson and Stevenson, 2007b). They were transported to the six field sites, where they were placed in enclosures constructed of an 18-cm Â 28-cm base of rigid plastic mesh covered with clear polypropylene fish net, forming a shallow pyramid.…”

Section: Growth Rate Measurementsmentioning

confidence: 99%

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Growth responses of Lobaria retigera to forest edge and canopy structure in the inland temperate rainforest, British Columbia

Stevenson

Coxson

2008

Forest Ecology and Management

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Section: Study Sitesmentioning

confidence: 99%

Section: Growth Rate Measurementsmentioning

confidence: 99%

Growth responses of Lobaria retigera to forest edge and canopy structure in the inland temperate rainforest, British Columbia

Stevenson

Coxson

2008

Forest Ecology and Management

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“…Одной из основных причин снижения разнообразия и обилия лишайников при фрагментации местообитаний является невозможность сообщества поддерживать стабильные условия микроклимата во фрагментах малой площади (Gignac, Dale, 2005;Coxson, Stevenson, 2007;Esseen, 2006;Hedenеs, Ericson, 2008;Svoboda et al, 2010). Так, показано, что значения микроклиматических параметров (освещенность, температура, влажность) в зависимости от расстояния от края фрагмента стабилизируются лишь на расстоянии 12-30 м (Gignac, Dale, 2005).…”

Section: Discussionunclassified

Effect of forest fragmentation on the epiphytic lichen cover of pine trunks on the example taiga town

Gaigysh¹,

Tarasova²,

Markovskaja³

2012

Principles of the Ecology

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“…Quantification of the degree of habitat contrast was conducted based on the Edge Contrast Index (ECON), which was selected after reviewing connectivity-related studies (Coxson & Stevenson 2007;Watling & Orrock 2010). This index enables the degree of contrast between a patch and its immediate neighborhood to be measured (McGarigal et al 2002).…”

Section: Estimate Of Habitat Edge Contrastmentioning

confidence: 99%

Habitat Edge Contrast as an Indicator to Prioritize Sites for Ecological Restoration at the Landscape Scale

Echeverría¹,

Gatica²,

Fuentes³

2013

NatCon

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Forest restoration at the landscape level has required the development of criteria and methods to prioritize sites of restoration. In this study, we analyzed the spatial patterns of habitat contrast edge to prioritize sites for restoration in a protected area in southern Chile. The edge contrast index (ECON) was estimated and mapped for each pairwise combination of habitat type, based on community composition and structure ecological variables. Correlation length, as a measure of landscape connectivity, was calculated to analyze the effect of restoring high-contrast edge zones on focal habitat continuity. Approximately, 20% of the landscape area was composed of patches of high-contrast habitat edge (ECON ≥50%). Out of the total edge length, 91% corresponded to high-contrast edges between the focal habitat and forest plantations of Eucalyptus globulus and Pinus radiata and stands invaded by Acacia spp. Only 9% corresponded to low-contrast edges (< 0.5) with natural forests. The highest ECON corresponded to patches both invaded by alien species (80-90%) and planted with exotic tree species (60-70%) that were adjacent to the focal habitat patches. Zones of high contrast that were dissecting the focal habitat patches were prioritized for restoration. The correlation length increased from 1,822 to 2,211 m for the current and the restoration scenario, respectively. Landscape planning should strive to reduce edges between suitable and unsuitable habitats, taking into account edge sensitivity of forest-dependent species and the spread of invasive species.

show abstract

Influence of high-contrast and low-contrast forest edges on growth rates of Lobaria pulmonaria in the inland rainforest, British Columbia

Cited by 35 publications

References 37 publications

Growth responses of Lobaria retigera to forest edge and canopy structure in the inland temperate rainforest, British Columbia

Growth responses of Lobaria retigera to forest edge and canopy structure in the inland temperate rainforest, British Columbia

Effect of forest fragmentation on the epiphytic lichen cover of pine trunks on the example taiga town

Habitat Edge Contrast as an Indicator to Prioritize Sites for Ecological Restoration at the Landscape Scale

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