uid=PIE,o=EDI,dc=edirepository,dc=org all public read LTE-TIDE-MarshPlantStemCount Marsh plant species stem counts for Rowley River tidal creeks associated with long term fertilization experiments, Rowley and Ipswich, MA. Linda Deegan Woodwell Climate Research Center 508-444-1557 ldeegan@woodwellclimate.org http://orcid.org/0000-0002-1017-9599 Scott Warren rswar@conncoll.edu Plum Island Ecosystems LTER http://pie-lter.ecosystems.mbl.edu/ Plum Island Ecosystems LTER http://pie-lter.ecosystems.mbl.edu/ David Johnson Virginia Institute of Marine Science (804) 684-7513 dsjohnson@vims.edu https://jlabresearch.wixsite.com/jlab https://orcid.org/0000-0002-7898-4893 associated researcher Erik Yando unknown10@mbl.edu associated researcher Chris Haight chaight@alumni.conncoll.edu associated researcher 2012 English
Marsh plant species stem counts for Rowley River tidal creeks associated with long term fertilization experiments, Rowley and Ipswich, MA. The TIDE project aims to simulate eutrophication on a large scale by the addition of NO3- aiming to reach 70μM concentrations from May to September every year during the growing season. This fertilization of the marsh has been going on at Sweeney Creek since the 2004 growing season through 2012 and at Clubhead Creek in 2005 and from 2009 till 2012. The reference creeks, West and Nelson, have been sampled in pair with the nutrient enriched creeks.
Primary Production Inorganic Nutrients Disturbance Core Areas creek culms salt marshes tides primary production Spartina alterniflora Spartina patens stem count nutrients PIE LTER LTER Controlled Vocabulary
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https://pie-lter.ecosystems.mbl.edu/content/marsh-plant-species-stem-counts-rowley-river-tidal-creeks-associated-long-term-fertilization "Sweeney Creek", off Rowley River, Ipswich, MA -70.847198486328 -70.847198486328 42.722244262695 42.722244262695 West Creek, off Rowley River, Rowley, MA. -70.849662780762 -70.849662780762 42.737945556641 42.737945556641 Clubhead Creek off Rowley River, Rowley, MA. -70.838386535645 -70.838386535645 42.739978790283 42.739978790283 Nelson Island Creek, off Rowley River, Rowley, -70.833152770996 -70.833152770996 42.742115020752 42.742115020752 2003-08-01 2012-08-31   Version 01: January 27, 2012, updated data and metadata. Used MarcrosExportEML_HTML (working)pie_excel2007.xlsm 1/27/12 4:35 PM for QA/QC to EML 2.1.0 Version 02: September 21, 2012, updated data and metadata. Used MarcrosExportEML_HTML (working)pie_excel2007.xlsm 3/23/12 12:08 PM for QA/QC to EML 2.1.0 Version 03: June 20, 2013, data and metadata updated to comply with importation to Drupal and LTER PASTA. Research location name and description updated.Used MarcrosExportEML_HTML (working)pie_excel2007.xlsm 3/14/13 12:02 PM for QA/QC to EML 2.1.0 Plum Island Ecosystems LTER http://pie-lter.ecosystems.mbl.edu/ Plum Island Ecosystems LTER http://pie-lter.ecosystems.mbl.edu/ Plum Island Ecosystems
End of season stem counts allow for another estimate of productivity and are generally completed in August. For Tall Spartina alterniflora (TSA) four 0.25m2 quadrats are taken at random at each of the vegetation transects and then extrapolated to 1 m2. All stem in the quadrat are counted Vegetation transects are permanant transects running perpendicular to the tidal creek. They are designated by one pole at the creek's edge and another in the high marsh. Either 3 or 4 transects are sampled every year. Stem counts have been completed every year in the Tall Spartina alterniflora(TSA) from 2003 to 2012. Short Spartina alterniflora (SSA) and Spartina patens (SP) are counted using 0.0625 m2 quadrat and 10 cm diameter circle, respectively, and then extrapolated to 1 m2 . SSA and SP were recorded for stem densities from 2004 to 2006 at all creeks. Quadrats and circles are randomly placed along transects. Abbreviations: TSA- Spartina alterniflora (tall form) SSA- Spartina alterniflora (short form) SP- Spartina patens Creeks- Reference creeks are West and Nelson Nutrient Enriched creeks are Sweeney and Clubhead. Sweeney has been fertilized every summer from 2004-2012. Clubhead had been fertilized in 2005 and then from 2009-2012. All creeks have two branches determined by direction at confluence while facing upstream (Left or Right). Plant transects run perpendicular to creeks at various points with a front pole at the creek bank and a back pole an the high marsh. Transects are in the order of 1, 2, 4, 3 or blue, green, red, yellow from confluence of branch.
LTE-TIDE-MarshPlantStemCount_csv Marsh plant species stem counts for Rowley River tidal creeks associated with long term fertilization experiments, Rowley and Ipswich, MA. LTE-TIDE-MarshPlantStemCount_0.csv 30207 2425d7a89fa0515a3ce6ba8d3ffeddd4 d8e3c8917eb1105a18caf178daab37be075d6e17 1 0 column , https://pie-lter.ecosystems.mbl.edu/sites/default/files/data/LTE-TIDE-MarshPlantStemCount_0.csv Year Year Year of Stems Counted date YYYY NA missing Month Month Month of Stems Counted string Month of Stems Counted Species Species Species of Stems Counted string TSA Spartina alterniflora (tall form)| SSA= Spartina alterniflora (short form)| DS= Distichlis spicata| SP= Spartina patens NA missing Creek Creek Name of Tidal Creek string Sweeney Nutrient Enriched |Nelson= Nutrient Enriched| West= Reference| Clubhead= Reference NA missing Branch Branch Branch of Creek Sampled string Branch of Creek Sampled Transect Transect Transect Sampled string Transect Sampled Stems per quad Stems per quad Number of stems counted per quadrat or circle dimensionless real NA missing Stems per meter squared Stems per meter squared Number of stems extrapolated from stems per quadrat or circle to 1 m 2 numberPerMeterSquared real NA missing LTE-TIDE-MarshPlantStemCount_xls Excel metadata and data file associated with the csv data source file. Excel file after downloading is to be used for adding/editing new metadata and data. LTE-TIDE-MarshPlantStemCount.xls 198656 e930833edc875a0f1a2e5baf4604d887 6ceb06e0abcf6af53947f28728d83d6064db58be application/vnd.ms-excel https://pie-lter.ecosystems.mbl.edu/sites/default/files/data/LTE-TIDE-MarshPlantStemCount.xls document
a designation asserting the absence of an associated unit