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Landscape Ecology

, Volume 21, Issue 4, pp 477–483 | Cite as

Landscape Fragmentation and Ice Storm Damage in Eastern Ontario Forests

  • J. Pasher
  • D. J. King
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Abstract

With return times between 20 and 100 years, ice storms are a primary disturbance type for temperate forests of eastern North America. Many studies have been conducted at the forest patch and plot scales to examine relations between damage and variables describing site, composition and structure. This paper presents results from a landscape scale study of fragmentation relations with damage in eastern Ontario forests. Data previously collected for two independent and spatially non-overlapping patch level damage studies were used. A Generalized Linear Model (GLM) was used to analyse relations between damage and fragmentation metrics representing patch isolation, edge density, and the relative size and distribution of patches in the landscape. The metrics were applied using spatial extents of 1 × 1 km and 4 × 4 km, following analyses of the variability of numbers of patches and of the lacunarity of forest patterns over a range of extents. The results showed that patch isolation, as measured by the mean Euclidean distance between patches (ENN) was significantly related to damage.

Keywords

Damage Disturbance Fragmentation metrics General linear model Ice storm Lacunarity Landscape extent Temperate forest 

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Copyright information

© Springer 2006

Authors and Affiliations

  1. 1.Department of Geography and Environmental StudiesCarleton UniversityOttawaCanada

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