The Terrestrial Silica Pump
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{"title"=>"The Terrestrial Silica Pump", "type"=>"journal", "authors"=>[{"first_name"=>"Joanna C.", "last_name"=>"Carey", "scopus_author_id"=>"53983858400"}, {"first_name"=>"Robinson W.", "last_name"=>"Fulweiler", "scopus_author_id"=>"9733287700"}], "year"=>2012, "source"=>"PLoS ONE", "identifiers"=>{"sgr"=>"84871821772", "doi"=>"10.1371/journal.pone.0052932", "pui"=>"368034355", "pmid"=>"23300825", "scopus"=>"2-s2.0-84871821772", "issn"=>"19326203", "isbn"=>"1932-6203"}, "id"=>"927e1b8f-d364-314e-8974-b89259a300ed", "abstract"=>"Silicon (Si) cycling controls atmospheric CO(2) concentrations and thus, the global climate, through three well-recognized means: chemical weathering of mineral silicates, occlusion of carbon (C) to soil phytoliths, and the oceanic biological Si pump. In the latter, oceanic diatoms directly sequester 25.8 Gton C yr(-1), accounting for 43% of the total oceanic net primary production (NPP). However, another important link between C and Si cycling remains largely ignored, specifically the role of Si in terrestrial NPP. Here we show that 55% of terrestrial NPP (33 Gton C yr(-1)) is due to active Si-accumulating vegetation, on par with the amount of C sequestered annually via marine diatoms. Our results suggest that similar to oceanic diatoms, the biological Si cycle of land plants also controls atmospheric CO(2) levels. In addition, we provide the first estimates of Si fixed in terrestrial vegetation by major global biome type, highlighting the ecosystems of most dynamic Si fixation. Projected global land use change will convert forests to agricultural lands, increasing the fixation of Si by land plants, and the magnitude of the terrestrial Si pump.", "link"=>"http://www.mendeley.com/research/terrestrial-silica-pump", "reader_count"=>59, "reader_count_by_academic_status"=>{"Unspecified"=>4, "Professor > Associate Professor"=>4, "Researcher"=>9, "Student > Doctoral Student"=>2, "Student > Ph. D. Student"=>20, "Student > Postgraduate"=>1, "Student > Master"=>7, "Student > Bachelor"=>8, "Lecturer"=>1, "Professor"=>3}, "reader_count_by_user_role"=>{"Unspecified"=>4, "Professor > Associate Professor"=>4, "Researcher"=>9, "Student > Doctoral Student"=>2, "Student > Ph. D. Student"=>20, "Student > Postgraduate"=>1, "Student > Master"=>7, "Student > Bachelor"=>8, "Lecturer"=>1, "Professor"=>3}, "reader_count_by_subject_area"=>{"Unspecified"=>6, "Environmental Science"=>15, "Agricultural and Biological Sciences"=>12, "Earth and Planetary Sciences"=>26}, "reader_count_by_subdiscipline"=>{"Earth and Planetary Sciences"=>{"Earth and Planetary Sciences"=>26}, "Agricultural and Biological Sciences"=>{"Agricultural and Biological Sciences"=>12}, "Unspecified"=>{"Unspecified"=>6}, "Environmental Science"=>{"Environmental Science"=>15}}, "reader_count_by_country"=>{"United States"=>1, "Mexico"=>1, "France"=>2}, "group_count"=>0}

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Figshare

  • {"files"=>["https://ndownloader.figshare.com/files/514918"], "description"=>"<p>Average Si concentration of cultivated crop biome, weighted by the mass of the four most produced crops <a href=\"http://www.plosone.org/article/info:doi/10.1371/journal.pone.0052932#pone.0052932-FAO1\" target=\"_blank\">[19]</a>.</p>", "links"=>[], "tags"=>["si", "cultivated", "weighted", "produced", "crops"], "article_id"=>185413, "categories"=>["Chemistry", "Ecology", "Plant Biology"], "users"=>["Joanna C. Carey", "Robinson W. Fulweiler"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0052932.t002", "stats"=>{"downloads"=>3, "page_views"=>11, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Average_Si_concentration_of_cultivated_crop_biome_weighted_by_the_mass_of_the_four_most_produced_crops_19_/185413", "title"=>"Average Si concentration of cultivated crop biome, weighted by the mass of the four most produced crops [19].", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2013-02-19 17:44:16"}
  • {"files"=>["https://ndownloader.figshare.com/files/514845"], "description"=>"<p>Shades of green are directly proportional to degree of active Si accumulation (i.e., darker green indicates more Si accumulation). Gray area indicates land cover by biomes of non-active Si accumulators (<0.46% Si by dry wt.) (<a href=\"http://www.plosone.org/article/info:doi/10.1371/journal.pone.0052932#pone-0052932-t001\" target=\"_blank\">Table 1</a>). Data from combination of FAO GeoNetwork Global Land Cover Distribution 2007 raster data layer with a resolution of 5-arc minutes, and ESRI, which modified the layer originally created by Olson et al. (2001). Map created using ArcMap 10.0 from ESRI.</p>", "links"=>[], "tags"=>["si", "accumulating"], "article_id"=>185339, "categories"=>["Chemistry", "Ecology", "Plant Biology"], "users"=>["Joanna C. Carey", "Robinson W. Fulweiler"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0052932.g001", "stats"=>{"downloads"=>2, "page_views"=>9, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Global_land_cover_by_Si_accumulating_crops_/185339", "title"=>"Global land cover by Si accumulating crops.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2013-02-19 17:43:50"}
  • {"files"=>["https://ndownloader.figshare.com/files/514948"], "description"=>"<p>Si concentrations from Hodson et al. <a href=\"http://www.plosone.org/article/info:doi/10.1371/journal.pone.0052932#pone.0052932-Hodson1\" target=\"_blank\">[16]</a>. Biome categories from Houghton and Skole <a href=\"http://www.plosone.org/article/info:doi/10.1371/journal.pone.0052932#pone.0052932-Houghton1\" target=\"_blank\">[17]</a>.</p>", "links"=>[], "tags"=>["si", "biome", "indicates", "indicated", "concentrations"], "article_id"=>185444, "categories"=>["Chemistry", "Ecology", "Plant Biology"], "users"=>["Joanna C. Carey", "Robinson W. Fulweiler"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0052932.t001", "stats"=>{"downloads"=>4, "page_views"=>4, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Amount_of_Si_fixed_by_major_biome_type_Bold_indicates_on_average_active_Si_accumulation_indicated_by_concentrations_0_46_Si_by_wt_7_/185444", "title"=>"Amount of Si fixed by major biome type. Bold indicates on average, active Si accumulation, indicated by concentrations >0.46% Si by wt. [7].", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2013-02-19 17:44:26"}

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  • {"unique-ip"=>"6", "full-text"=>"4", "pdf"=>"2", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2020", "month"=>"10"}
  • {"unique-ip"=>"5", "full-text"=>"4", "pdf"=>"1", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"2", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2020", "month"=>"11"}
  • {"unique-ip"=>"6", "full-text"=>"5", "pdf"=>"2", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2020", "month"=>"12"}
  • {"unique-ip"=>"4", "full-text"=>"3", "pdf"=>"1", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2021", "month"=>"1"}

Relative Metric

{"start_date"=>"2012-01-01T00:00:00Z", "end_date"=>"2012-12-31T00:00:00Z", "subject_areas"=>[{"subject_area"=>"/Biology and life sciences", "average_usage"=>[322, 550, 671, 773, 864, 955, 1048, 1135, 1223, 1308, 1387, 1465, 1534, 1602, 1673, 1744, 1813, 1885, 1955, 2026, 2093, 2160, 2228, 2290, 2349]}, {"subject_area"=>"/Biology and life sciences/Ecology", "average_usage"=>[350, 552, 657, 754, 839, 932, 1023, 1103, 1197, 1274, 1359, 1436, 1499, 1564, 1640, 1726, 1794, 1865, 1933, 2021, 2101, 2181, 2239, 2324, 2376]}, {"subject_area"=>"/Biology and life sciences/Organisms", "average_usage"=>[331, 557, 677, 777, 868, 960, 1050, 1136, 1223, 1307, 1390, 1466, 1536, 1603, 1673, 1741, 1814, 1889, 1954, 2028, 2096, 2164, 2233, 2305, 2362]}, {"subject_area"=>"/Earth sciences/Physical geography", "average_usage"=>[312, 417, 498, 567, 630, 697, 755, 809, 878, 957, 1011, 1067, 1105]}, {"subject_area"=>"/Ecology and environmental sciences/Ecological environments", "average_usage"=>[323, 478, 601, 680, 753, 810, 873, 938, 1011, 1069, 1133, 1202, 1281]}, {"subject_area"=>"/Ecology and environmental sciences/Ecology", "average_usage"=>[347, 547, 641, 742, 836, 927, 1016, 1099, 1184, 1267, 1348, 1418, 1484, 1555, 1631, 1705, 1788, 1843, 1917, 1985, 2052, 2115, 2190, 2258, 2333]}, {"subject_area"=>"/Ecology and environmental sciences/Ecosystems", "average_usage"=>[354, 539, 635, 737, 816, 903, 966, 1043, 1126, 1198, 1283, 1347, 1427]}, {"subject_area"=>"/Physical sciences", "average_usage"=>[304, 506, 616, 712, 799, 879, 968, 1052, 1134, 1212, 1284, 1357, 1427, 1494, 1557, 1621, 1689, 1756, 1823, 1883, 1944, 1997, 2056, 2118, 2171]}]}
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