uid=PIE,o=lter,dc=ecoinformatics,dc=org all public read LTE-TIDE-MelampusIndividBiomass.01 Plum Island Ecosystems LTER Program David Johnson

The Ecosystems Center Marine Biological Laboratory 7 MBL St. Woods Hole MA 02543 USA

Plum Island Ecosystems LTER Program Linda Deegan

The Ecosystems Center Marine Biological Laboratory 7 MBL St. Woods Hole MA 02543 USA

Plum Island Ecosystems LTER Program

The Ecosystems Center Marine Biological Lab 7 MBL St Woods Hole MA 02543 USA

(508) 289 7485 pie_im@mbl.edu http://ecosystems.mbl.edu/PIE/ 2012 Melampus bidentatus (coffee bean snail) length and biomass measurements 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 2011 and at Clubhead Creek in 2005 and from 2009 till 2011. PIE LTER TIDE population dynamics nutrients salt marsh snails creek Acceptance and utilization of PIE-LTER data requires that: The Principal Investigator be sent a notice stating reasons for acquiring any data and a description of the publication intentions. The Principal Investigator of the data set be sent a copy of the report or manuscript prior to submission and be adequately cited in any resultant publications A copy of any resultant publications should be sent to: Principal Investigator Ecosystems Center Marine Biological Laboratory Woods Hole, MA 02543 http://ecosystems.mbl.edu/PIE/data/LTE/LTE-TIDE-MelampusIndividBiomass.html "Sweeney Creek", off Rowley River, Ipswich, MA -70.851 -70.845 42.724 42.719 West Creek, off Rowley River, Rowley, MA. -70.852 -70.846 42.741 42.736 Clubhead Creek off Rowley River, Rowley, MA. -70.842 -70.836 42.742 42.738 Nelson Island Creek, off Rowley River, Rowley, -70.836 -70.831 42.744 42.74 2009-08-01 2010-09-30 Organisms Studied Genus Melampus Species bidentatus Version 01: January 27, 2012, updated data and metadata. Used MarcrosExportEML_HTML (working)pie_excel2007.xlsm 1/18/12 4:51 PM for QA/QC to EML 2.1.0 Data Manager

The Ecosystems Center Marine Biological Lab 7 MBL St Woods Hole MA 02543 USA

(508) 289 7485 pie_im@mbl.edu http://ecosystems.mbl.edu/PIE/ Plum Island Ecosystems LTER

The Ecosystems Center Marine Biological Lab 7 MBL St Woods Hole MA 02543 USA

(508) 289 7485 pie_im@mbl.edu http://ecosystems.mbl.edu/PIE/ Methods All samples taken in late August(2009) and early September(2010). 10 snails were randomly selected from field-collected snails and measured for shell height (from the spire to the tip of operculum). In the field, 10 quadrats were haphazardly tossed in the high marsh (dominated by Spartina patens) of each creek branch. Data can be paired with high-marsh invertebrate density file. Creeks- Reference creeks are West and Nelson Nutrient Enriched creeks are Sweeney and Clubhead. Sweeney has been fertilized every summer from 2004-2011. Clubhead had been fertilized in 2005 and then from 2009-2011. All creeks have two branches determined by direction at confluence while facing upstream (Left or Right). Anne Giblin

The Ecosystems Center Marine Biological Lab 7 MBL St Woods Hole MA 02543 USA

(508) 289 7488 agiblin@mbl.edu Lead PI Hap Garritt

The Ecosystems Center Marine Biological Lab 7 MBL St Woods Hole MA 02543 USA

(508) 289 7485 pie_im@mbl.edu Information Manager The Plum Island Ecosystems (PIE) LTER is an integrated research, education and outreach program whose goal is to develop a predictive understanding of the long-term response of watershed and estuarine ecosystems at the land-sea interface to changes in climate, land use and sea level. The principal study site is the Plum Island Sound estuary, its coupled Parker, Rowley and Ipswich River watersheds and the adjacent coastal ocean, the Gulf of Maine. The PIE LTER focuses on how several aspects of global change influence organic matter and inorganic nutrient biogeochemistry and estuarine foodwebs. The inputs of organic matter and nutrients from land, ocean and marshes interact with the external drivers (climate, land use, river discharge, sea level) to dictate the extent and degree of nutrient and organic matter processing and determine the spatial patterns of estuarine productivity and trophic structure. This material is based upon work supported by the National Science Foundation under Grants OCE-9726921, OCE-0423565. Any opinions, findings, conclusions, or recommendations expressed in the material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation. The Plum Island Ecosystems (PIE) LTER site, is located in northeastern Massachusetts, 42.72 N, 70.85 W. The PIE LTER lies at the interface of a thinly soiled, formerly glaciated New England land mass and the highly productive Gulf of Maine. Three watersheds comprise the estuarine drainage basin: Parker (155 km2), Rowley (26 km2) and Ipswich (404 km2). The Ipswich River watershed is highly urbanized with Boston "bedroom" communities encroaching in the headwater region while the Parker is less urbanized and retains a higher proportion of forest. -71.2198 -70.7568 42.8276 42.4965 0 100 meter LTE-TIDE-MelampusIndividBiomass.csv Melampus bidentatus length and biomass measurements for Rowley River tidal creeks associated with long term fertilization experiments, Rowley and Ipswich, MA. LTE-TIDE-MelampusIndividBiomass.csv 1 \r\n column , http://ecosystems.mbl.edu/PIE/data/LTE/data/LTE-TIDE-MelampusIndividBiomass.csv Date Date Year Sampled YYYY Creek Creek Creek Sampled Sweeney Nutrient Enriched Nelson Nutrient Enriched West Reference Clubhead Reference Nutrient Level Nutrient Level Nutrient Level of Creek Fertilized Nutrient Enriched Reference Reference Branch Branch Branch Sampled R Right L Left Habitat Habitat Habitat Sampled SP Spartina patens dominated habitat Quadrat Quadrat Quadrat Sampled Quadrat Sampled Snail Rep Snail Rep Number of Replicates Number of Replicates Shell height Shell height Height of Shell millimeter real Biomass-g Biomass-g Mass of Snail in grams gram real Biomass-mg Biomass-mg Mass of Snail in miligrams milligram real