Soil-plant interactions in a neotropical mangrove forest: iron, phosphorus and sulfur dynamics

Soil-plant interactions in a neotropical mangrove forest: iron, phosphorus and sulfur dynamics. Sherman, E, R., Fahey, J, T., Howarth, & W, R. Oecologia, 115(4):553--563, Springer, 1998.

Paper abstract bibtex

We examined soil porewater concentrations of sulfate, alkalinity, phosphorus, nitrogen, and dissolved organic carbon and solid phase concentrations of pyrite in relation to mangrove species distributions along a 3.1-km-long transect that traversed a 47.1-km(2) mangrove forest in the Dominican Republic. Iron, phosphorus, and sulfur dynamics are closely coupled to the activity of sulfate-reducing bacteria, the primary decomposers in anoxic soils of mangrove ecosystems. Patterns in the chemistry data suggested that sulfate reduction rates and storage of reduced sulfur were greater in the inland basin forest dominated by Laguncularia racemosa than the Rhizophora mangle dominated forest of the lower tidal region. The distribution of Laguncularia was significantly correlated with concentrations of total phosphorus (r = 0.99) and dissolved organic carbon (r = 0.86), alkalinity (r = 0.60), and the extent of sulfate depletion (r = 0.77) in the soil porewater and soil pyrite concentrations (r = 0.72) across the tidal gradient. Leaf tissue chemistry of Laguncularia in was characterized by lower C:N and C:P ratios that could fuel the higher rates of decomposition in the Laguncularia-dominated forest. We suggest that a plant-soil-microbial feedback contributes to the spatial patterning of vegetation and soil variables across the intertidal zone of many mangrove forest communities. References: 53

@article{ Sherman1998,
  abstract = {We examined soil porewater concentrations of sulfate, alkalinity, phosphorus, nitrogen, and dissolved organic carbon and solid phase concentrations of pyrite in relation to mangrove species distributions along a 3.1-km-long transect that traversed a 47.1-km(2) mangrove forest in the Dominican Republic. Iron, phosphorus, and sulfur dynamics are closely coupled to the activity of sulfate-reducing bacteria, the primary decomposers in anoxic soils of mangrove ecosystems. Patterns in the chemistry data suggested that sulfate reduction rates and storage of reduced sulfur were greater in the inland basin forest dominated by Laguncularia racemosa than the Rhizophora mangle dominated forest of the lower tidal region. The distribution of Laguncularia was significantly correlated with concentrations of total phosphorus (r = 0.99) and dissolved organic carbon (r = 0.86), alkalinity (r = 0.60), and the extent of sulfate depletion (r = 0.77) in the soil porewater and soil pyrite concentrations (r = 0.72) across the tidal gradient. Leaf tissue chemistry of Laguncularia in was characterized by lower C:N and C:P ratios that could fuel the higher rates of decomposition in the Laguncularia-dominated forest. We suggest that a plant-soil-microbial feedback contributes to the spatial patterning of vegetation and soil variables across the intertidal zone of many mangrove forest communities. References: 53},
  author = {Sherman, Ruth E and Fahey, Timothy J and Howarth, Robert W},
  issn = {00298549},
  journal = {Oecologia},
  keywords = {mangrove species zonation ́{a},reduction ́{a} pyrite formation,sulfate,́{a} phosphorus ́{a}},
  number = {4},
  pages = {553--563},
  publisher = {Springer},
  title = {{Soil-plant interactions in a neotropical mangrove forest: iron, phosphorus and sulfur dynamics}},
  url = {http://www.springerlink.com/openurl.asp?genre=article\&id=doi:10.1007/s004420050553},
  volume = {115},
  year = {1998}
}

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Iron, phosphorus, and sulfur dynamics are closely coupled to the activity of sulfate-reducing bacteria, the primary decomposers in anoxic soils of mangrove ecosystems. Patterns in the chemistry data suggested that sulfate reduction rates and storage of reduced sulfur were greater in the inland basin forest dominated by Laguncularia racemosa than the Rhizophora mangle dominated forest of the lower tidal region. The distribution of Laguncularia was significantly correlated with concentrations of total phosphorus (r = 0.99) and dissolved organic carbon (r = 0.86), alkalinity (r = 0.60), and the extent of sulfate depletion (r = 0.77) in the soil porewater and soil pyrite concentrations (r = 0.72) across the tidal gradient. Leaf tissue chemistry of Laguncularia in was characterized by lower C:N and C:P ratios that could fuel the higher rates of decomposition in the Laguncularia-dominated forest. We suggest that a plant-soil-microbial feedback contributes to the spatial patterning of vegetation and soil variables across the intertidal zone of many mangrove forest communities. References: 53},\n author = {Sherman, Ruth E and Fahey, Timothy J and Howarth, Robert W},\n issn = {00298549},\n journal = {Oecologia},\n keywords = {mangrove species zonation ́{a},reduction ́{a} pyrite formation,sulfate,́{a} phosphorus ́{a}},\n number = {4},\n pages = {553--563},\n publisher = {Springer},\n title = {{Soil-plant interactions in a neotropical mangrove forest: iron, phosphorus and sulfur dynamics}},\n url = {http://www.springerlink.com/openurl.asp?genre=article\\&id=doi:10.1007/s004420050553},\n volume = {115},\n year = {1998}\n}</pre>\n</div>\n\n\n<div class=\"well well-small bibbase\" id=\"abstract_Sherman1998\"\n style=\"display:none\">\n We examined soil porewater concentrations of sulfate, alkalinity, phosphorus, nitrogen, and dissolved organic carbon and solid phase concentrations of pyrite in relation to mangrove species distributions along a 3.1-km-long transect that traversed a 47.1-km(2) mangrove forest in the Dominican Republic. Iron, phosphorus, and sulfur dynamics are closely coupled to the activity of sulfate-reducing bacteria, the primary decomposers in anoxic soils of mangrove ecosystems. Patterns in the chemistry data suggested that sulfate reduction rates and storage of reduced sulfur were greater in the inland basin forest dominated by Laguncularia racemosa than the Rhizophora mangle dominated forest of the lower tidal region. The distribution of Laguncularia was significantly correlated with concentrations of total phosphorus (r = 0.99) and dissolved organic carbon (r = 0.86), alkalinity (r = 0.60), and the extent of sulfate depletion (r = 0.77) in the soil porewater and soil pyrite concentrations (r = 0.72) across the tidal gradient. Leaf tissue chemistry of Laguncularia in was characterized by lower C:N and C:P ratios that could fuel the higher rates of decomposition in the Laguncularia-dominated forest. We suggest that a plant-soil-microbial feedback contributes to the spatial patterning of vegetation and soil variables across the intertidal zone of many mangrove forest communities. References: 53\n</div>\n\n\n</div>\n","downloads":0,"keyword":["mangrove species zonation ́a","reduction ́a pyrite formation","sulfate","́a phosphorus ́a"],"abstract":"We examined soil porewater concentrations of sulfate, alkalinity, phosphorus, nitrogen, and dissolved organic carbon and solid phase concentrations of pyrite in relation to mangrove species distributions along a 3.1-km-long transect that traversed a 47.1-km(2) mangrove forest in the Dominican Republic. Iron, phosphorus, and sulfur dynamics are closely coupled to the activity of sulfate-reducing bacteria, the primary decomposers in anoxic soils of mangrove ecosystems. Patterns in the chemistry data suggested that sulfate reduction rates and storage of reduced sulfur were greater in the inland basin forest dominated by Laguncularia racemosa than the Rhizophora mangle dominated forest of the lower tidal region. The distribution of Laguncularia was significantly correlated with concentrations of total phosphorus (r = 0.99) and dissolved organic carbon (r = 0.86), alkalinity (r = 0.60), and the extent of sulfate depletion (r = 0.77) in the soil porewater and soil pyrite concentrations (r = 0.72) across the tidal gradient. Leaf tissue chemistry of Laguncularia in was characterized by lower C:N and C:P ratios that could fuel the higher rates of decomposition in the Laguncularia-dominated forest. We suggest that a plant-soil-microbial feedback contributes to the spatial patterning of vegetation and soil variables across the intertidal zone of many mangrove forest communities. 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The distribution of Laguncularia was significantly correlated with concentrations of total phosphorus (r = 0.99) and dissolved organic carbon (r = 0.86), alkalinity (r = 0.60), and the extent of sulfate depletion (r = 0.77) in the soil porewater and soil pyrite concentrations (r = 0.72) across the tidal gradient. Leaf tissue chemistry of Laguncularia in was characterized by lower C:N and C:P ratios that could fuel the higher rates of decomposition in the Laguncularia-dominated forest. We suggest that a plant-soil-microbial feedback contributes to the spatial patterning of vegetation and soil variables across the intertidal zone of many mangrove forest communities. 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