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Abstract Unpaved forest roads remain a pervasive disturbance on public lands and mitigating sediment from road networks remains a priority for management agencies. Restoring roaded landscapes is becoming increasingly important for many native coldwater fishes that disproportionately rely on public lands for persistence. However, effectively targeting restoration opportunities requires a comprehensive understanding of the effects of roads across different ecosystems. Here, we combine a review and a field study to evaluate the status of knowledge supporting the conceptual framework linking unpaved forest roads with streambed sediment. Through our review, we specifically focused on those studies linking measures of...
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Much remains unknown about the genetic status and population connectivity of high-elevation and high-latitude freshwater invertebrates, which often persist near snow and ice masses that are disappearing due to climate change. Here we report on the conservation genetics of the meltwater stonefly Lednia tumana (Ricker) of Montana, USA, a cold-water obligate species. We sequenced 1530 bp of mtDNA from 116 L. tumana individuals representing “historic” (>10 yr old) and 2010 populations. The dominant haplotype was common in both time periods, while the second-most-common haplotype was found only in historic samples, having been lost in the interim. The 2010 populations also showed reduced gene and nucleotide diversity...
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These layers show land ownership and status of all Canadian and U.S. lands that fall within the boundaries of the Great Northern Landscae Conservation Cooperative. Layers were compiled from various sources, each with it’s own metadata reference file.
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This layer respresents First Nations Reservations that occupy area in the Crown of the Continent Ecosystem or occupy area within a 50 kilometer buffer surrounding the border. The data is derived from Alberta and British Columbia data from GeoGratis, which was created in 2003 and revised in 2015; and Montana data from the US Bureau of Land Management (BMSC).
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Habitat similarity index (HSI) values for greater sage-grouse across their western range. HSI values represent the relationship of environmental values at map locations to the multivariate model of minimum requirements for sage-grouse defined by land cover, anthropogenic variables, soil, topography, and climate.
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Understanding a species’ behavioral response to rapid environmental change is an ongoing challenge in modern conservation. Anthropogenic landscape modification, or “human footprint,” is well documented as a central cause of large mammal decline and range contractions where the proximal mechanisms of decline are often contentious. Direct mortality is an obvious cause; alternatively, human‐modified landscapes perceived as unsuitable by some species may contribute to shifts in space use through preferential habitat selection. A useful approach to tease these effects apart is to determine whether behaviors potentially associated with risk vary with human footprint. We hypothesized wolverine (Gulo gulo) behaviors vary...
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These data represent land cover and land use for the Crown of the Continent Ecosystem. The data are a compilation from multiple sources [Multi-Resolution Land Characteristics (MRLC) Consortium, Agriculture and Agri-Food Canada (AAFC), and the Canadian Forest Service (CFS)], Canadian data are circa 2000, US are circa 2001. VALUE: 0 = NoData; 20 = Water; 30 = Barren; 31 = Ice/Snow; 34 = Developed; 50 = Scrub/Shrub; 80 = Wetland; 110 = Grassland; 120 = Agriculture; 210 = Coniferous; 220 = Deciduous; 230 = Mixed. This dataset was published in November 2010. The dataset was updated in 2014 to fix several no-data pixels along the US-Canada border. This dataset was developed by the Crown Managers Partnership, as part of...
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Seamless DEM for the Crown of the Continent Ecosystem with a 50km buffer. This DEM was created using Shuttle Radar Topography Mission (SRTM) 1 Arc-Second Global data. The SRTM DEM had nodata values in several regions, particularly mountain tops. NoData holes were filled with ASTER Global DEM Version 2. Note: While the ASTER Global DEM does not have the NoData problems, the layers derived from the ASTER DEM (ex: slope, aspect) have sensor anomalies and artifacts, especially visible in the prairie regions. Data originally in WGS 1984 Vertical height in meters DEM created 2016-Feb-09
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Dispersal can strongly influence the demographic and evolutionary trajectory of populations. For many species, little is known about dispersal, despite its importance to conservation. The Greater Sage-Grouse (Centrocercus urophasianus) is a species of conservation concern that ranges across 11 western U.S. states and 2 Canadian provinces. To investigate dispersal patterns among spring breeding congregations, we examined a 21-locus microsatellite DNA dataset of 3,244 Greater Sage-Grouse sampled from 763 leks throughout Idaho, Montana, North Dakota, and South Dakota, USA, across 7 yr. We recaptured ~2% of individuals, documenting 41 instances of breeding dispersal, with 7 dispersal events of .50 km, including 1 of...
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Determining species distributions accurately is crucial to developing conservation and management strategies for imperiled species, but a challenging task for small populations. We evaluated the efficacy of environmental DNA (eDNA) analysis for improving detection and thus potentially refining the known distribution of Chinook salmon (Oncorhynchus tshawytscha) in the Methow and Okanogan Subbasins of the Upper Columbia River, which span the border between Washington, USA and British Columbia, Canada. We developed an assay to target a 90 base pair sequence of Chinook DNA and used quantitative polymerase chain reaction (qPCR) to quantify the amount of Chinook eDNA in triplicate 1-L water samples collected at 48 stream...
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This region-wide coordinated bird monitoring program, supported by state, federal, tribal, nongovernmental organizations, and two statewide bird conservation partnerships, is designed to provide spatially-referenced baseline data for science-based biological planning and conservation design for the Great Northern LCC and its partners that is directly comparable with other landscapes and BCRs. We are requesting a third year of funding to continue sampling in BCR10 Montana and Idaho to enhance our ability to make robust inference to bird populations on grassland, shrublands, and riparian systems. These data currently are being used by project partners to develop spatially-explicit models that will allow assessment...
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This dataset provides transboundary census information in the Crown of the Continent Ecosystem. In Canada the data are from the 2011 census collected at the dissemination block level, in the United States the data are assembled from the 2010 census. Data on total population and total dwellings in each census unit are available. This dataset was developed by the Crown Managers Partnership, as part of a transboundary collaborative management initiative for the Crown of the Continent Ecosystem, based on commonly identified management priorities that are relevant at the landscape scale. The CMP is collaborative group of land managers, scientists, and stakeholder in the CCE. For more information on the CMP and its collaborators,...
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Gravel-bed river floodplains in mountain landscapes disproportionately concentrate diverse habitats, nutrient cycling, productivity of biota, and species interactions. Although stream ecologists know that river channel and floodplain habitats used by aquatic organisms are maintained by hydrologic regimes that mobilize gravel-bed sediments, terrestrial ecologists have largely been unaware of the importance of floodplain structures and processes to the life requirements of a wide variety of species. We provide insight into gravel-bed rivers as the ecological nexus of glaciated mountain landscapes. We show why gravel-bed river floodplains are the primary arena where interactions take place among aquatic, avian, and...
    map background search result map search result map Estimated potential for sage-grouse movement Sage Grouse HSI (habitat similarity index) BCR10 in Idaho, 1km Grid, Integrated Bird Monitoring by Conservation Region GNLCC Jurisdictional Boundaries First Nations and Indian Reservations in the Crown of the Continent Ecosystem Land Use & Land Cover in the Crown of Continent Ecosystem c2000 Census c2010 Crown of the Continent Ecosystem Crown of the Continent DEM Gravel-bed river floodplains are the ecological nexus of glaciated mountain landscapes Loss of Genetic Diversity and Increased Subdivision in an Endemic Alpine Stonefly Threatened by Climate Change Linkages between unpaved forest roads and streambed sediment: why context matters in directing road restoration Genetic recapture identifies long-distance breeding dispersal in Greater Sage-Grouse (Centrocercus urophasianus) Wolverine behavior varies spatially with anthropogenic footprint: implications for conservation and inferences about declines Characterizing the distribution of an endangered salmonid using environmental DNA analysis Estimated potential for sage-grouse movement Sage Grouse HSI (habitat similarity index) Wolverine behavior varies spatially with anthropogenic footprint: implications for conservation and inferences about declines Characterizing the distribution of an endangered salmonid using environmental DNA analysis Linkages between unpaved forest roads and streambed sediment: why context matters in directing road restoration Genetic recapture identifies long-distance breeding dispersal in Greater Sage-Grouse (Centrocercus urophasianus) Gravel-bed river floodplains are the ecological nexus of glaciated mountain landscapes Loss of Genetic Diversity and Increased Subdivision in an Endemic Alpine Stonefly Threatened by Climate Change First Nations and Indian Reservations in the Crown of the Continent Ecosystem Land Use & Land Cover in the Crown of Continent Ecosystem c2000 Census c2010 Crown of the Continent Ecosystem Crown of the Continent DEM BCR10 in Idaho, 1km Grid, Integrated Bird Monitoring by Conservation Region GNLCC Jurisdictional Boundaries