Satellite Tracking of Sympatric Marine Megafauna Can Inform the Biological Basis for Species Co-Management
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{"title"=>"Satellite tracking of sympatric marine megafauna can inform the biological basis for species co-management", "type"=>"journal", "authors"=>[{"first_name"=>"Christian", "last_name"=>"Gredzens", "scopus_author_id"=>"56205426000"}, {"first_name"=>"Helene", "last_name"=>"Marsh", "scopus_author_id"=>"35449023800"}, {"first_name"=>"Mariana M P B", "last_name"=>"Fuentes", "scopus_author_id"=>"26532729100"}, {"first_name"=>"Colin J.", "last_name"=>"Limpus", "scopus_author_id"=>"7004169600"}, {"first_name"=>"Takahiro", "last_name"=>"Shimada", "scopus_author_id"=>"52264638100"}, {"first_name"=>"Mark", "last_name"=>"Hamann", "scopus_author_id"=>"35253678400"}], "year"=>2014, "source"=>"PLoS ONE", "identifiers"=>{"sgr"=>"84902532346", "doi"=>"10.1371/journal.pone.0098944", "pui"=>"373323721", "pmid"=>"24893163", "scopus"=>"2-s2.0-84902532346", "issn"=>"19326203", "isbn"=>"1932-6203 (Electronic)\\r1932-6203 (Linking)"}, "id"=>"439d7a64-261e-37f7-8ddc-792fec2cb5f2", "abstract"=>"CONTEXT: Systematic conservation planning is increasingly used to identify priority areas for protection in marine systems. However, ecosystem-based approaches typically use density estimates as surrogates for animal presence and spatial modeling to identify areas for protection and may not take into account daily or seasonal movements of animals. Additionally, sympatric and inter-related species are often managed separately, which may not be cost-effective. This study aims to demonstrate an evidence-based method to inform the biological basis for co-management of two sympatric species, dugongs and green sea turtles. This approach can then be used in conservation planning to delineate areas to maximize species protection.\\n\\nMETHODOLOGY/RESULTS: Fast-acquisition satellite telemetry was used to track eleven dugongs and ten green turtles at two geographically distinct foraging locations in Queensland, Australia to evaluate the inter- and intra-species spatial relationships and assess the efficacy of existing protection zones. Home-range analysis and bathymetric modeling were used to determine spatial use and compared with existing protection areas using GIS. Dugong and green turtle home-ranges significantly overlapped in both locations. However, both species used different core areas and differences existed between regions in depth zone use and home-range size, especially for dugongs. Both species used existing protection areas in Shoalwater Bay, but only a single tracked dugong used the existing protection area in Torres Strait.\\n\\nCONCLUSIONS/SIGNIFICANCE: Fast-acquisition satellite telemetry can provide evidence-based information on individual animal movements to delineate relationships between dugongs and green turtles in regions where they co-occur. This information can be used to increase the efficacy of conservation planning and complement more broadly based survey information. These species also use similar habitats, making complimentary co-management possible, but important differences exist between locations making it essential to customize management. This methodology could be applied on a broader scale to include other sympatric and inter-related species.", "link"=>"http://www.mendeley.com/research/satellite-tracking-sympatric-marine-megafauna-inform-biological-basis-species-comanagement", "reader_count"=>86, "reader_count_by_academic_status"=>{"Professor > Associate Professor"=>6, "Researcher"=>20, "Student > Doctoral Student"=>3, "Student > Ph. D. Student"=>22, "Student > Postgraduate"=>1, "Student > Master"=>17, "Other"=>5, "Student > Bachelor"=>10, "Lecturer"=>1, "Professor"=>1}, "reader_count_by_user_role"=>{"Professor > Associate Professor"=>6, "Researcher"=>20, "Student > Doctoral Student"=>3, "Student > Ph. D. Student"=>22, "Student > Postgraduate"=>1, "Student > Master"=>17, "Other"=>5, "Student > Bachelor"=>10, "Lecturer"=>1, "Professor"=>1}, "reader_count_by_subject_area"=>{"Unspecified"=>6, "Environmental Science"=>17, "Agricultural and Biological Sciences"=>59, "Decision Sciences"=>1, "Earth and Planetary Sciences"=>3}, "reader_count_by_subdiscipline"=>{"Decision Sciences"=>{"Decision Sciences"=>1}, "Earth and Planetary Sciences"=>{"Earth and Planetary Sciences"=>3}, "Agricultural and Biological Sciences"=>{"Agricultural and Biological Sciences"=>59}, "Unspecified"=>{"Unspecified"=>6}, "Environmental Science"=>{"Environmental Science"=>17}}, "reader_count_by_country"=>{"Greece"=>1, "Argentina"=>1, "United States"=>3, "Mexico"=>1, "Jersey"=>1, "France"=>1, "Australia"=>1}, "group_count"=>4}

Scopus | Further Information

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Figshare

  • {"files"=>["https://ndownloader.figshare.com/files/1518880"], "description"=>"<p>Comparison of 95% home-ranges (left) and 50% core areas (right) between Shoalwater Bay, Australia dugongs (n = 5), green sea turtles (n = 6) and a transient dugong (n = 1) (top) with Torres Strait, Australia dugongs (n = 6), reef associated green sea turtles (n = 3), and a transient green sea turtle (n = 1) (bottom) over the total tracking time of each animal. Lines within boxes represent the median, boxes represent interquartile range, whiskers represent minimum and maximum values, and dots indicate values for each individual. Note differences in scale on y axes.</p>", "links"=>[], "tags"=>["ecology", "Marine ecology", "Spatial and landscape ecology", "Marine biology", "Marine conservation", "Marine monitoring", "Marine technology", "Conservation science", "tracked", "dugongs"], "article_id"=>1044354, "categories"=>["Biological Sciences", "Ecology"], "users"=>["Christian Gredzens", "Helene Marsh", "Mariana M. P. B. Fuentes", "Colin J. Limpus", "Takahiro Shimada", "Mark Hamann"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0098944.g001", "stats"=>{"downloads"=>1, "page_views"=>7, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Home_range_and_core_area_size_of_tracked_dugongs_and_green_turtles_/1044354", "title"=>"Home-range and core area size of tracked dugongs and green turtles.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2014-06-03 02:48:26"}
  • {"files"=>["https://ndownloader.figshare.com/files/1518881"], "description"=>"<p>Dugong and green sea turtle tracking and foraging home-ranges within Shoalwater Bay, Australia using the total tracking duration of each animal. Blue features indicate dugongs and red features indicate green sea turtles. (<b>A</b>) Tracking locations and migratory path of the transient dugong (652636A). (<b>B</b> and <b>C</b>) Example home-ranges of dugongs (<b>B</b>: 652642A, <b>C</b>: 652640A (left) and 652643A (right)). (<b>D</b> and <b>E</b>) Example home-ranges of green sea turtles (<b>D</b>: 96780 (left), 108469 (middle), and 120640 (right); <b>E</b>: 120641). (<b>F</b>) Comparison of dugong and green sea turtle 50% core areas in northwestern Shoalwater Bay. Gray box indicates region displayed in maps <b>B-F</b>. For maps with multiple individuals plotted, each individual's 95% home-range is delineated by hatching at a different angle. Note differences in scale for each map.</p>", "links"=>[], "tags"=>["ecology", "Marine ecology", "Spatial and landscape ecology", "Marine biology", "Marine conservation", "Marine monitoring", "Marine technology", "Conservation science", "dugong", "turtle", "spatial"], "article_id"=>1044355, "categories"=>["Biological Sciences", "Ecology"], "users"=>["Christian Gredzens", "Helene Marsh", "Mariana M. P. B. Fuentes", "Colin J. Limpus", "Takahiro Shimada", "Mark Hamann"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0098944.g002", "stats"=>{"downloads"=>1, "page_views"=>9, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Shoalwater_Bay_dugong_and_green_turtle_spatial_use_/1044355", "title"=>"Shoalwater Bay dugong and green turtle spatial use.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2014-06-03 02:48:26"}
  • {"files"=>["https://ndownloader.figshare.com/files/1518882"], "description"=>"<p>Dugong and green sea turtle tracking and foraging home-ranges within Torres Strait, between the northern tip of Australia and Papua New Guinea using the total tracking duration of each animal. Blue features indicate dugongs and red features indicate green sea turtles. (<b>A</b>) Comparison of dugong and green sea turtle 50% core areas in Torres Strait. (<b>B</b>) Home-range of the transient turtle (95889). (<b>C</b>) Home-ranges of reef associated turtles (inset is a close up of Gariar Reef where two turtles were resident (70455 and 95892). (<b>D</b>) Example home-ranges of dugongs (left: 641058A, middle: 641054A, right: 641052A). (<b>E</b>) Tracking locations and migratory path of the dugong that traveled to Papua New Guinea (641055A). PZJA  =  Protected Zone Joint Authority. For maps with multiple individuals plotted, each individual's 95% home-range is delineated by hatching at a different angle. Note differences in scale for each map.</p>", "links"=>[], "tags"=>["ecology", "Marine ecology", "Spatial and landscape ecology", "Marine biology", "Marine conservation", "Marine monitoring", "Marine technology", "Conservation science", "strait", "dugong", "turtle", "spatial"], "article_id"=>1044356, "categories"=>["Biological Sciences", "Ecology"], "users"=>["Christian Gredzens", "Helene Marsh", "Mariana M. P. B. Fuentes", "Colin J. Limpus", "Takahiro Shimada", "Mark Hamann"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0098944.g003", "stats"=>{"downloads"=>2, "page_views"=>10, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Torres_Strait_dugong_and_green_turtle_spatial_use_/1044356", "title"=>"Torres Strait dugong and green turtle spatial use.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2014-06-03 02:48:26"}
  • {"files"=>["https://ndownloader.figshare.com/files/1518883"], "description"=>"<p>Depth comparison of 95% home-ranges and 50% core areas between Shoalwater Bay, Australia dugongs (n = 5), green sea turtles (n = 6), and a transient dugong (n = 1) (top) with Torres Strait, Australia dugongs (n = 6), reef associated green sea turtles (n = 3), and a transient green sea turtle (n = 1) (bottom).</p>", "links"=>[], "tags"=>["ecology", "Marine ecology", "Spatial and landscape ecology", "Marine biology", "Marine conservation", "Marine monitoring", "Marine technology", "Conservation science", "tracked", "dugongs"], "article_id"=>1044357, "categories"=>["Biological Sciences", "Ecology"], "users"=>["Christian Gredzens", "Helene Marsh", "Mariana M. P. B. Fuentes", "Colin J. Limpus", "Takahiro Shimada", "Mark Hamann"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0098944.g004", "stats"=>{"downloads"=>1, "page_views"=>1, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Depth_zone_use_of_tracked_dugongs_and_green_turtles_/1044357", "title"=>"Depth zone use of tracked dugongs and green turtles.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2014-06-03 02:48:26"}
  • {"files"=>["https://ndownloader.figshare.com/files/1518884"], "description"=>"<p><b><sup>*</sup></b>Dugong length was measured as straight total length <a href=\"http://www.plosone.org/article/info:doi/10.1371/journal.pone.0098944#pone.0098944-Heinsohn1\" target=\"_blank\">[37]</a>, turtle length was measured as curved carapace length (CCL) <a href=\"http://www.plosone.org/article/info:doi/10.1371/journal.pone.0098944#pone.0098944-Bolten1\" target=\"_blank\">[38]</a>.</p>+<p>Total days tracked while foraging.</p>", "links"=>[], "tags"=>["ecology", "Marine ecology", "Spatial and landscape ecology", "Marine biology", "Marine conservation", "Marine monitoring", "Marine technology", "Conservation science", "dugongs", "turtles", "tagged", "shoalwater", "australia", "2012", "torres", "2009"], "article_id"=>1044358, "categories"=>["Biological Sciences", "Ecology"], "users"=>["Christian Gredzens", "Helene Marsh", "Mariana M. P. B. Fuentes", "Colin J. Limpus", "Takahiro Shimada", "Mark Hamann"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0098944.t001", "stats"=>{"downloads"=>1, "page_views"=>5, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Information_on_the_dugongs_and_green_sea_turtles_tagged_in_Shoalwater_Bay_Australia_in_2012_and_Torres_Strait_Australia_in_2009_and_2010_/1044358", "title"=>"Information on the dugongs and green sea turtles tagged in Shoalwater Bay, Australia in 2012 and Torres Strait, Australia in 2009 and 2010.", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2014-06-03 02:48:26"}
  • {"files"=>["https://ndownloader.figshare.com/files/1518885", "https://ndownloader.figshare.com/files/1518886", "https://ndownloader.figshare.com/files/1518887", "https://ndownloader.figshare.com/files/1518888", "https://ndownloader.figshare.com/files/1518889"], "description"=>"<div><p>Context</p><p>Systematic conservation planning is increasingly used to identify priority areas for protection in marine systems. However, ecosystem-based approaches typically use density estimates as surrogates for animal presence and spatial modeling to identify areas for protection and may not take into account daily or seasonal movements of animals. Additionally, sympatric and inter-related species are often managed separately, which may not be cost-effective. This study aims to demonstrate an evidence-based method to inform the biological basis for co-management of two sympatric species, dugongs and green sea turtles. This approach can then be used in conservation planning to delineate areas to maximize species protection.</p><p>Methodology/Results</p><p>Fast-acquisition satellite telemetry was used to track eleven dugongs and ten green turtles at two geographically distinct foraging locations in Queensland, Australia to evaluate the inter- and intra-species spatial relationships and assess the efficacy of existing protection zones. Home-range analysis and bathymetric modeling were used to determine spatial use and compared with existing protection areas using GIS. Dugong and green turtle home-ranges significantly overlapped in both locations. However, both species used different core areas and differences existed between regions in depth zone use and home-range size, especially for dugongs. Both species used existing protection areas in Shoalwater Bay, but only a single tracked dugong used the existing protection area in Torres Strait.</p><p>Conclusions/Significance:</p><p>Fast-acquisition satellite telemetry can provide evidence-based information on individual animal movements to delineate relationships between dugongs and green turtles in regions where they co-occur. This information can be used to increase the efficacy of conservation planning and complement more broadly based survey information. These species also use similar habitats, making complimentary co-management possible, but important differences exist between locations making it essential to customize management. This methodology could be applied on a broader scale to include other sympatric and inter-related species.</p></div>", "links"=>[], "tags"=>["ecology", "Marine ecology", "Spatial and landscape ecology", "Marine biology", "Marine conservation", "Marine monitoring", "Marine technology", "Conservation science", "tracking", "sympatric", "megafauna"], "article_id"=>1044359, "categories"=>["Biological Sciences", "Ecology"], "users"=>["Christian Gredzens", "Helene Marsh", "Mariana M. P. B. Fuentes", "Colin J. Limpus", "Takahiro Shimada", "Mark Hamann"], "doi"=>["https://dx.doi.org/10.1371/journal.pone.0098944.s001", "https://dx.doi.org/10.1371/journal.pone.0098944.s002", "https://dx.doi.org/10.1371/journal.pone.0098944.s003", "https://dx.doi.org/10.1371/journal.pone.0098944.s004", "https://dx.doi.org/10.1371/journal.pone.0098944.s005"], "stats"=>{"downloads"=>26, "page_views"=>13, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Satellite_Tracking_of_Sympatric_Marine_Megafauna_Can_Inform_the_Biological_Basis_for_Species_Co_Management_/1044359", "title"=>"Satellite Tracking of Sympatric Marine Megafauna Can Inform the Biological Basis for Species Co-Management", "pos_in_sequence"=>0, "defined_type"=>4, "published_date"=>"2014-06-03 02:48:26"}

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Relative Metric

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