American Marten Respond to Seismic Lines in Northern Canada at Two Spatial Scales
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{"title"=>"American marten respond to seismic lines in northern Canada at two spatial scales", "type"=>"journal", "authors"=>[{"first_name"=>"Jesse", "last_name"=>"Tigner", "scopus_author_id"=>"56007376300"}, {"first_name"=>"Erin M.", "last_name"=>"Bayne", "scopus_author_id"=>"7003807288"}, {"first_name"=>"Stan", "last_name"=>"Boutin", "scopus_author_id"=>"7006945293"}], "year"=>2015, "source"=>"PLoS ONE", "identifiers"=>{"pui"=>"604114698", "sgr"=>"84929493250", "issn"=>"19326203", "pmid"=>"25768848", "scopus"=>"2-s2.0-84929493250", "doi"=>"10.1371/journal.pone.0118720"}, "id"=>"e5153984-a482-3e58-b2ce-97dd77c18a5c", "abstract"=>"Development of hydrocarbon resources across northwest Canada has spurred economic prosperity and generated concerns over impacts to biodiversity. To balance these interests, numerous jurisdictions have adopted management thresholds that allow for limited energy development but minimize undesirable impacts to wildlife. Used for exploration, seismic lines are the most abundant linear feature in the boreal forest and exist at a variety of widths and recovery states. We used American marten (Martes americana) as a model species to measure how line attributes influence species' response to seismic lines, and asked whether responses to individual lines trigger population impacts. Marten response to seismic lines was strongly influenced by line width and recovery state. Compared to forest interiors, marten used open seismic lines ≥ 3 m wide less often, but used open lines ≤ 2 m wide and partially recovered lines ≥ 6 m wide similarly. Marten response to individual line types appeared to trigger population impacts. The probability of occurrence at the home range scale declined with increasing seismic line density, and the inclusion of behavioral response to line density calculations improved model fit. In our top performing model, we excluded seismic lines ≤ 2 m from our calculation of line density, and the probability of occurrence declined > 80% between home ranges with the lowest and highest line densities. Models that excluded seismic lines did not strongly explain occurrence. We show how wildlife-derived metrics can inform regulatory guidelines to increase the likelihood those guidelines meet intended management objectives. With respect to marten, not all seismic lines constitute disturbances, but avoidance of certain line types scales to population impacts. This approach provides the ecological context required to understand cause and effect relationships among socio-economic and ecological conservation goals.", "link"=>"http://www.mendeley.com/research/american-marten-respond-seismic-lines-northern-canada-two-spatial-scales", "reader_count"=>30, "reader_count_by_academic_status"=>{"Unspecified"=>2, "Researcher"=>5, "Student > Ph. D. Student"=>6, "Student > Postgraduate"=>4, "Other"=>4, "Student > Master"=>6, "Student > Bachelor"=>3}, "reader_count_by_user_role"=>{"Unspecified"=>2, "Researcher"=>5, "Student > Ph. D. Student"=>6, "Student > Postgraduate"=>4, "Other"=>4, "Student > Master"=>6, "Student > Bachelor"=>3}, "reader_count_by_subject_area"=>{"Unspecified"=>3, "Environmental Science"=>6, "Agricultural and Biological Sciences"=>17, "Medicine and Dentistry"=>1, "Psychology"=>1, "Social Sciences"=>2}, "reader_count_by_subdiscipline"=>{"Medicine and Dentistry"=>{"Medicine and Dentistry"=>1}, "Social Sciences"=>{"Social Sciences"=>2}, "Psychology"=>{"Psychology"=>1}, "Agricultural and Biological Sciences"=>{"Agricultural and Biological Sciences"=>17}, "Unspecified"=>{"Unspecified"=>3}, "Environmental Science"=>{"Environmental Science"=>6}}, "group_count"=>2}

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Figshare

  • {"files"=>["https://ndownloader.figshare.com/files/1947544"], "description"=>"<div><p>Development of hydrocarbon resources across northwest Canada has spurred economic prosperity and generated concerns over impacts to biodiversity. To balance these interests, numerous jurisdictions have adopted management thresholds that allow for limited energy development but minimize undesirable impacts to wildlife. Used for exploration, seismic lines are the most abundant linear feature in the boreal forest and exist at a variety of widths and recovery states. We used American marten (<i>Martes americana</i>) as a model species to measure how line attributes influence species’ response to seismic lines, and asked whether responses to individual lines trigger population impacts. Marten response to seismic lines was strongly influenced by line width and recovery state. Compared to forest interiors, marten used open seismic lines ≥ 3 m wide less often, but used open lines ≤ 2 m wide and partially recovered lines ≥ 6 m wide similarly. Marten response to individual line types appeared to trigger population impacts. The probability of occurrence at the home range scale declined with increasing seismic line density, and the inclusion of behavioral response to line density calculations improved model fit. In our top performing model, we excluded seismic lines ≤ 2 m from our calculation of line density, and the probability of occurrence declined > 80% between home ranges with the lowest and highest line densities. Models that excluded seismic lines did not strongly explain occurrence. We show how wildlife-derived metrics can inform regulatory guidelines to increase the likelihood those guidelines meet intended management objectives. With respect to marten, not all seismic lines constitute disturbances, but avoidance of certain line types scales to population impacts. This approach provides the ecological context required to understand cause and effect relationships among socio-economic and ecological conservation goals.</p></div>", "links"=>[], "tags"=>["Marten response", "home range scale", "line types scales", "line density calculations", "line density", "population impacts", "Spatial Scales Development"], "article_id"=>1334746, "categories"=>["Biological Sciences", "Ecology"], "users"=>["Jesse Tigner", "Erin M. Bayne", "Stan Boutin"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0118720", "stats"=>{"downloads"=>2, "page_views"=>25, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_American_Marten_Respond_to_Seismic_Lines_in_Northern_Canada_at_Two_Spatial_Scales_/1334746", "title"=>"American Marten Respond to Seismic Lines in Northern Canada at Two Spatial Scales", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2015-03-13 03:20:01"}
  • {"files"=>["https://ndownloader.figshare.com/files/1947523"], "description"=>"<p>The study area in northeast Alberta, northwest British Columbia, and southwest Northwest Territories (A). Territorial and Provincial jurisdictions in western Canada are subject to divergent energy policies as evident from the extent of the disturbance footprint (shown in light grey, but excluding seismic lines for clarity) (B).</p>", "links"=>[], "tags"=>["Marten response", "home range scale", "line types scales", "line density calculations", "line density", "population impacts", "Spatial Scales Development"], "article_id"=>1334728, "categories"=>["Biological Sciences", "Ecology"], "users"=>["Jesse Tigner", "Erin M. Bayne", "Stan Boutin"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0118720.g001", "stats"=>{"downloads"=>1, "page_views"=>51, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Study_area_/1334728", "title"=>"Study area.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2015-03-13 03:20:01"}
  • {"files"=>["https://ndownloader.figshare.com/files/1947539"], "description"=>"<p>The probability that American marten (<i>Martes americana</i>) occur at the home range is significantly influenced by seismic line density in northwest Canada. As seismic line density increases, the mean probability of occurrence declines.</p>", "links"=>[], "tags"=>["Marten response", "home range scale", "line types scales", "line density calculations", "line density", "population impacts", "Spatial Scales Development"], "article_id"=>1334741, "categories"=>["Biological Sciences", "Ecology"], "users"=>["Jesse Tigner", "Erin M. Bayne", "Stan Boutin"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0118720.g003", "stats"=>{"downloads"=>1, "page_views"=>38, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Probability_of_American_marten_occurrence_relative_to_seismic_line_density_/1334741", "title"=>"Probability of American marten occurrence relative to seismic line density.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2015-03-13 03:20:01"}
  • {"files"=>["https://ndownloader.figshare.com/files/1947538"], "description"=>"<p>In the field we identified and sampled along the following 6 types of seismic lines: (Top row, from upper left) 1) ≥ 6 m wide and open (open conventional); 2) ≥ 6 m wide and partially recovered (partial conventional); 3) ≥ 6 m and recovered (closed conventional); (Bottom row, from left) 4) open and ≤ 2 m wide (open 2 m); 5) open and 3–4 m wide (open 3–4 m); 6) open and 5 m wide (open 5 m). Photo credits: J. Tigner.</p>", "links"=>[], "tags"=>["Marten response", "home range scale", "line types scales", "line density calculations", "line density", "population impacts", "Spatial Scales Development"], "article_id"=>1334740, "categories"=>["Biological Sciences", "Ecology"], "users"=>["Jesse Tigner", "Erin M. Bayne", "Stan Boutin"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0118720.g002", "stats"=>{"downloads"=>5, "page_views"=>39, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Examples_of_sampled_seismic_line_types_/1334740", "title"=>"Examples of sampled seismic line types.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2015-03-13 03:20:01"}
  • {"files"=>["https://ndownloader.figshare.com/files/1947543"], "description"=>"<p>Each model controls for the proportion of lowland forest within the home range, and Julian date at survey commencement. Corrected seismic line and corrected linear feature definitions exclude seismic lines ≤ 2 m.</p><p>Final models comparing predicted home range occurrence of the American marten (<i>Martes americana</i>) relative to different definitions of linear feature density in northwest Canada.</p>", "links"=>[], "tags"=>["Marten response", "home range scale", "line types scales", "line density calculations", "line density", "population impacts", "Spatial Scales Development"], "article_id"=>1334745, "categories"=>["Biological Sciences", "Ecology"], "users"=>["Jesse Tigner", "Erin M. Bayne", "Stan Boutin"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0118720.t003", "stats"=>{"downloads"=>5, "page_views"=>29, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Final_models_comparing_predicted_home_range_occurrence_of_the_American_marten_Martes_americana_relative_to_different_definitions_of_linear_feature_density_in_northwest_Canada_/1334745", "title"=>"Final models comparing predicted home range occurrence of the American marten (<i>Martes americana</i>) relative to different definitions of linear feature density in northwest Canada.", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2015-03-13 03:20:01"}
  • {"files"=>["https://ndownloader.figshare.com/files/1947541"], "description"=>"<p>The relationship between the probability of American marten (<i>Martes americana</i>) occurrence and linear feature density at the home range in northwest Canada is sensitive to line density calculations. Although both metrics of seismic line density show a clear decline, where narrow seismic lines (≤ 2 m) are removed from the calculation (i.e., corrected seismic density), decline in mean probability of occurrence is almost 80%.</p>", "links"=>[], "tags"=>["Marten response", "home range scale", "line types scales", "line density calculations", "line density", "population impacts", "Spatial Scales Development"], "article_id"=>1334743, "categories"=>["Biological Sciences", "Ecology"], "users"=>["Jesse Tigner", "Erin M. Bayne", "Stan Boutin"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0118720.g004", "stats"=>{"downloads"=>2, "page_views"=>20, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Probability_of_American_marten_occurrence_is_sensitive_to_seismic_line_density_calculations_/1334743", "title"=>"Probability of American marten occurrence is sensitive to seismic line density calculations.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2015-03-13 03:20:01"}
  • {"files"=>["https://ndownloader.figshare.com/files/1947542"], "description"=>"<p>An odds ratio > 1, indicates use was greater than expected relative to use of the forest interior; when < 1, use was less than expected.</p><p>Behavioral response of American Marten (<i>Martes americana</i>) to seismic line types as compared to undisturbed forest interior locations in northwest Canada.</p>", "links"=>[], "tags"=>["Marten response", "home range scale", "line types scales", "line density calculations", "line density", "population impacts", "Spatial Scales Development"], "article_id"=>1334744, "categories"=>["Biological Sciences", "Ecology"], "users"=>["Jesse Tigner", "Erin M. Bayne", "Stan Boutin"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0118720.t001", "stats"=>{"downloads"=>2, "page_views"=>24, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Behavioral_response_of_American_Marten_Martes_americana_to_seismic_line_types_as_compared_to_undisturbed_forest_interior_locations_in_northwest_Canada_/1334744", "title"=>"Behavioral response of American Marten (<i>Martes americana</i>) to seismic line types as compared to undisturbed forest interior locations in northwest Canada.", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2015-03-13 03:20:01"}

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Relative Metric

{"start_date"=>"2015-01-01T00:00:00Z", "end_date"=>"2015-12-31T00:00:00Z", "subject_areas"=>[]}
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