Papers by Laurie Kremsater
University of British Columbia Press eBooks, 2010
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University of British Columbia Press eBooks, 2010
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University of British Columbia Press eBooks, 2010
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University of British Columbia Press eBooks, 2010
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University of British Columbia Press eBooks, 2010
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University of British Columbia Press eBooks, 2010
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University of British Columbia Press eBooks, 2010
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Presentation from the March 2016 Biodiversity and Forestry workshop hosted by Alberta Agriculture... more Presentation from the March 2016 Biodiversity and Forestry workshop hosted by Alberta Agriculture and Forestry's Forest Management Branch.
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Journal of Ecosystems and Management, Dec 17, 2007
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Forest Ecology and Management, Nov 1, 2008
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Forestry Chronicle, May 1, 2006
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Journal of Ecosystems and Management, Dec 17, 2007
Connectivity is often recommended as a coarse-filter indicator of landscape-level biodiversity, b... more Connectivity is often recommended as a coarse-filter indicator of landscape-level biodiversity, but useable measures of the concept for management applications are poorly developed. We describe a dispersal-based algorithm to index and map connectivity, modified from Richards et al. (2002). Users define hypotheti- cal species with simple habitat and dispersal suitability models, home range sizes, and potential dispersal scales. Dispersal is simulated from suitable home ranges, with habitat-based declines in survivorship imposed with distance travelled. Indices include suitable home ranges, suitable home ranges encountered by dispersers, and a combined index of amount and connectivity of suitable habitat. Dispersal success and dispersers passing through each cell are mapped to help guide detailed landscape planning. We illustrate the connectivity algorithm with landscape scenarios simulated on a landscape in the North Thompson drainage of southern British Columbia. Compared to the simulated fire regime, clearcutting led to moder - ate declines in suitable home ranges and connectivity, clearcutting with Old-Growth Management Areas (ogmas) produced a slight recovery by year 100, while partial cutting increased suitable habitat and dis - persal. ogmas and partial cuts better maintained some corridors. The connectivity algorithm, in conjunc -
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V8W 3E7SUMMARY The lack of integration between the activities of forest and wildlife managers has... more V8W 3E7SUMMARY The lack of integration between the activities of forest and wildlife managers has often led to conflict. In 1980, a cooperative research program between the B.C. Ministries of Environment and Forests was begun to help resolve one such conflict: the fate of valuable old-growth timber set aside as winter habitat for blacktailed deer on the south coast of British Columbia. Previous approaches to resolving this conflict have included the ‘‘referral system’ ’ and the ‘‘interdisciplinary team approach.’ ’ These methods could be described as reactive and proactive, respectively. Both these methods are labor-intensive and based on manual interpretation of paper maps. We describe an alternative approach called the Habitat Assessment and Planning (HAP) tool. The HAP tool is a series of micro-computer based models that allow wildlife and forest managers to incorporate the spatial and temporal aspects of wildlife habitat while developing habitat plans and operational forestry pl...
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Connectivity is often recommended as a coarse-filter indicator of landscape-level biodiversity, b... more Connectivity is often recommended as a coarse-filter indicator of landscape-level biodiversity, but useable measures of the concept for management applications are poorly developed. We describe a dispersal-based algorithm to index and map connectivity, modified from Richards et al. (2002). Users define hypotheti- cal species with simple habitat and dispersal suitability models, home range sizes, and potential dispersal scales. Dispersal is simulated from suitable home ranges, with habitat-based declines in survivorship imposed with distance travelled. Indices include suitable home ranges, suitable home ranges encountered by dispersers, and a combined index of amount and connectivity of suitable habitat. Dispersal success and dispersers passing through each cell are mapped to help guide detailed landscape planning. We illustrate the connectivity algorithm with landscape scenarios simulated on a landscape in the North Thompson drainage of southern British Columbia. Compared to the sim...
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The Forestry Chronicle, 2003
Adaptive management is a key component of a forest project being implemented across all of Weyerh... more Adaptive management is a key component of a forest project being implemented across all of Weyerhaeuser's coastal forest tenures. This project uses two main tools to accomplish the British Columbia (BC) Coastal Group's ecological and socio-economic goals: variable retention (VR) harvesting and broad zoning of the land base. The adaptive management program was designed to examine the effectiveness of retention systems and zoning in maintaining those forest attributes necessary to sustain biological richness and essential ecosystem functions, such as nutrient transfer, energy flow, decomposition, and dispersal of seeds, spores, and animals. The program is grounded on three biological indicators evaluated in both operational and experimental contexts: 1) representation of habitat types in a relatively unmanaged state to ensure that little-known species are retained; 2) structure of stands and landscapes to ensure that key elements are present through time; and 3) indicator orga...
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Papers by Laurie Kremsater