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Statements

Subject Item
dbr:Salt_marsh_die-off
rdfs:label
Salt marsh die-off
rdfs:comment
Salt marsh die-off is a term that has been used in the US and UK to describe the death of salt marsh cordgrass leading to subsequent degradation of habitat, specifically in the low marsh zones of salt marshes on the coasts of the Western Atlantic. Cordgrass normally anchors sediment in salt marshes; its loss leads to decreased substrate hardness, increased erosion, and collapse of creek banks into the water, ultimately resulting in decreased marsh health and productivity.
foaf:depiction
n10:Marsh_erosion.png n10:Calving_marsh_creek_bank.jpg n10:Spartina_foliosa.jpg n10:Salt_marsh_die-off_in_saquatucket.jpg n10:Myocastor_Coypus_Nutria_Biberratte.jpg n10:Food_web_diagram.svg n10:Enhydra_lutris_asleep_3.jpg n10:Healthy_salt_marsh.jpg n10:Sesarma_reticulatum.png n10:Snails_eating_fungus_on_cordgrass.png
dcterms:subject
dbc:Salt_marshes dbc:Wetland_conservation_in_the_United_States dbc:Aquatic_ecology dbc:Wetland_conservation dbc:Ecological_processes
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42982848
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dbr:Food_web dbr:Ecosystem_health dbr:Consumption_(ecology) dbr:Moisture dbr:Chemistry dbr:Erosion dbr:Hypersaline dbr:Recruitment_(biology) dbr:Smooth_dogfish dbr:Root dbr:Arctic dbr:Mytilus_(bivalve) dbr:Fusarium dbr:Horse dbr:Extinction dbr:Urchin_barren dbr:Nutrients dbr:Ecosystem_restoration dbr:Nocturnal dbr:Trophic_cascade dbr:Habitat_degradation dbr:Snow_geese n8:Enhydra_lutris_asleep_3.jpg dbr:Littorina_littorea dbc:Salt_marshes dbr:Crustaceans dbr:Infection dbr:Paradigm dbr:Burrowing dbr:Carbon dbr:Causation_and_correlation dbr:Sewage dbr:Habitat_destruction dbr:Foundation_species n8:Marsh_erosion.png dbr:Nutrient n8:Salt_marsh_die-off_in_saquatucket.jpg dbr:Apex_predators dbr:Detritus dbr:Environment_(biophysical) dbr:Primary_production dbr:Littoraria_irrorata dbc:Wetland_conservation_in_the_United_States dbr:River dbr:Rodent dbr:Ecosystem_services dbr:Urchin_barrens dbr:Ecosystems n8:Calving_marsh_creek_bank.jpg dbc:Aquatic_ecology dbr:Salinity dbr:Disease dbr:Hare dbr:Snail dbr:Coastal dbr:Eugene_Odum dbr:Cordgrass dbr:Low_marsh dbr:Stress_(biology) dbr:Vegetation dbr:Habitat dbr:Artificial_fertilizer dbr:Crab dbr:Nitrogen dbr:Overgrazing dbr:Virulence dbr:Sesarma_reticulatum dbr:Spartina_alterniflora dbr:Robert_Paine_(zoologist) dbr:Callinectes_sapidus dbr:Predation dbr:Tide_pool dbr:Hypothesis dbr:Ecosystem dbr:Invasive_species dbr:Correlated dbr:Ramet dbr:Freshwater dbr:Estuaries dbr:Herbivore dbc:Wetland_conservation dbr:Organism dbr:Peat dbr:Lake dbr:Overexploitation dbr:Mudflat dbr:Kelp_forest dbr:Narragansett_Bay dbr:Mangrove dbr:Pathogens dbr:Sequester_carbon dbr:Shoreline dbr:Temperate dbr:Angler_(fishing) dbr:Spartina dbr:Chasmagnathus_granulata dbr:Insects dbr:Conservation_biology dbr:Nutria dbr:Cattle dbr:Fur dbr:Spartina_densiflora dbr:Coral_reef dbr:Infrastructure dbr:Fungus dbr:Trophic_level dbr:Pisaster dbr:Evaporation dbr:Oxidize dbr:Buffer_zone dbr:Temperature dbr:Runoff_(water) dbr:Salt_marsh_dieback dbr:Morone_saxatilis dbr:Abundance_(ecology) dbr:Algae dbr:Fish dbr:Biodiversity dbr:Substrate_(biology) dbr:High_marsh dbc:Ecological_processes dbr:Human_impact_on_the_environment dbr:Vulnerability dbr:Seagrass dbr:Community_(ecology) n8:Snails_eating_fungus_on_cordgrass.png dbr:Prey dbr:Fertilizer dbr:Insect dbr:Management_science dbr:Climate_change dbr:Synergistic dbr:Sea_level_rise dbr:Reverse_causation dbr:Acidity dbr:Carcinus_maenas dbr:Abiotic dbr:Macroalgae dbr:Rocky_shore dbr:Agricultural n8:Healthy_salt_marsh.jpg dbr:Species n8:Spartina_foliosa.jpg dbr:Tide dbr:Salt_marsh dbr:Green_crab n8:Myocastor_Coypus_Nutria_Biberratte.jpg dbr:Oxygenate dbr:Grapsidae dbr:Wetlands dbr:Sea_urchins dbr:Top_predators dbr:Evidence dbr:Soil n8:Sesarma_reticulatum.png dbr:Goose dbr:Ecology dbr:Primary_producers dbr:Striped_bass dbr:Starfish dbr:Eutrophication dbr:Distribution_(ecology) dbr:Coastal_flooding dbr:Sea_otters dbr:Succession_(ecology) dbr:Mustelus_canis n8:Food_web_diagram.svg
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n10:Salt_marsh_die-off_in_saquatucket.jpg?width=300
dbo:abstract
Salt marsh die-off is a term that has been used in the US and UK to describe the death of salt marsh cordgrass leading to subsequent degradation of habitat, specifically in the low marsh zones of salt marshes on the coasts of the Western Atlantic. Cordgrass normally anchors sediment in salt marshes; its loss leads to decreased substrate hardness, increased erosion, and collapse of creek banks into the water, ultimately resulting in decreased marsh health and productivity. Die-off can affect several species of cordgrass (genus Spartina), including S. alterniflora, S. densiflora, and S. townsendii. There are several competing hypotheses predicting the causes and mechanisms of salt marsh die-off throughout the western Atlantic. These hypotheses place different emphasis on the effects of top-down or bottom-up processes for salt marsh die-off. Combined with salt marsh dieback of the high marsh, salt marsh die-off is a serious threat to the ecosystem services that marshes provide to local coastal communities.
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dbr:Term
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wikipedia-en:Salt_marsh_die-off?oldid=1059743980&ns=0
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42584
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wikipedia-en:Salt_marsh_die-off