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Concern about invasive species in Alaska is a growing concern, attracting attention from land managers, politicians and the public. Nearly half the new discoveries of invasive plants, animals, and insects in the state are reported by concerned individuals with a general interest in invasive species. The development of a mobile application for invasive plant identification and reporting will help enable the public to gather and share new invasive plant discoveries. This project will result in the development of a decision tool for identifying non-natives plant species, which will provide the foundation for the app. Project staff will also review user-submitted requests for identification assistance, review app-generated...
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Synopsis: This study evaluated the effects of landscape management on the spread of mountain pine beetle colonization in Banff National Park, Alberta, Canada. Researchers used annual aerial survey data and geo-referenced locations of colonized trees that were cut and removed to assess if the area colonized and the spatial extent of pine beetles differed between monitoring and management zones. Pine beetles were allowed to follow their natural course in the monitoring zone, while an extensive eradication program involving cutting and burning colonized trees was established in the management zone. Management resulted in no detectable effect on the scale of the zone. However, at the sub-zone scale, the area affected...
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Concern about invasive species in Alaska is a growing concern, attracting attention from land managers, politicians and the public. Nearly half the new discoveries of invasive plants, animals, and insects in the state are reported by concerned individuals with a general interest in invasive species. The development of a mobile application for invasive plant identification and reporting will help enable the public to gather and share new invasive plant discoveries. This project will result in the development of a decision tool for identifying non-natives plant species, which will provide the foundation for the application. Project staff will also review user-submitted requests for identification assistance, review...
nthropogenic features such as urbanization, roads, and power lines, are increasing in western United States landscapes in response to rapidly growing human populations. However, their spatial effects have not been evaluated. Our goal was to model the human footprint across the western United States. We first delineated the actual area occupied by anthropogenic features, the physical effect area. Next, we developed the human footprint model based on the ecological effect area, the zone influenced by features beyond their physical presence, by combining seven input models: three models quantified top-down anthropogenic influences of synanthropic predators (avian predators, domestic dog and cat presence risk), and...
In many areas of the world, socioeconomic and political factors are increasingly impacting spatial patterns of land use and land cover in the landscape. Much of the land in the United States has been divided using a grid-based system that was implemented to realize socioeconomic and political goals rather than to protect and conform to biophysical differences. The borders of individual parcels of land often reflect the boundary lines created by this system. These borders are important components of policies related to land management such as zoning and private land use decisions. The potential impact this system of land division may have on spatial patterns in a landscape remains unclear. The majority of landscape...


    map background search result map search result map Effect of management on spatial spread of mountain pine beetle (Dendroctonus ponderosae) in Banff National Park. Alaska invasive plant identification and record input smartphone app AK Weeds ID smartphone App Effect of management on spatial spread of mountain pine beetle (Dendroctonus ponderosae) in Banff National Park. Alaska invasive plant identification and record input smartphone app AK Weeds ID smartphone App