uid=PIE,o=EDI,dc=edirepository,dc=org all public read MAR-Pond-MacrophyteSummer2016 PIE LTER abundances of macroalgae and Ruppia maritima in six high marsh ponds, Rowley, MA, during the summer of 2016. Amanda Spivak University of Georgia (706)-542-2668 aspivak@uga.edu https://amandaspivak.wordpress.com/ http://orcid.org/0000-0001-6743-0783 Plum Island Ecosystems LTER http://pie-lter.ecosystems.mbl.edu/ Kelsey Gosslein kgosslein@whoi.edu associated researcher Alexander Denmark adenmark@whoi.edu field crew 2020 English
We characterized the abundance of macroalgae and submerged grass in six ponds in three regions of the PIE-LTER marshes during summer 2016. Macroalgal communiteis were dominated by Ulva while Ruppia maritima was the only submerged grass present. Our goal was to determine whether macrophyte abundances varied predictably with pond dimensions (e.g., surface area, volume) or geographic attributes (e.g., elevation, distance from upland, marsh region). Samples were collected from several locations in each pond in order to capture spatial heterogeneity.
Population Dynamics Core Areas plant species composition salt marshes ponds macroalgae grasses PIE LTER Plum Island Ecosystems plant species composition LTER Controlled Vocabulary
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https://pie-lter.ecosystems.mbl.edu/content/pie-lter-abundances-macroalgae-and-ruppia-maritima-six-high-marsh-ponds-rowley-ma-during High marsh pond between West and Shad Creek, Rowley, MA -70.846336364746 -70.846336364746 42.737522125244 42.737522125244 -1 -1 meter High marsh pond between Rowley House and Laws Point, Rowley, MA -70.852195739746 -70.852195739746 42.728000640869 42.728000640869 High marsh pond near Shad Creek, Rowley, MA -70.842025756836 -70.842025756836 42.738269805908 42.738269805908 High marsh pond between West and Shad Creek, Rowley, MA -70.846900939941 -70.846900939941 42.737979888916 42.737979888916 High marsh pond near Shad Creek, Rowley, MA -70.841545104980 -70.841545104980 42.737689971924 42.737689971924 High marsh pond between Rowley House and Laws Point, Rowley, MA -70.854278564453 -70.854278564453 42.728610992432 42.728610992432 2016-06-23 2016-08-23 Dataset complete. Version 01: August 18, 2020, data and metadata updates to comply with importation to DEIMS7 and LTER Data Portal. Used MarcrosExportEML_HTML (working)pie_excel2007_Sep2019.xlsm 9/3/19 5:19 PM for QA/QC to EML 2.1.0. Amanda Spivak University of Georgia (706)-542-2668 aspivak@uga.edu https://amandaspivak.wordpress.com/ http://orcid.org/0000-0001-6743-0783 Plum Island Ecosystems LTER http://pie-lter.ecosystems.mbl.edu/ Plum Island Ecosystems
Primary producer community composition was characterized in all six ponds between 23-June and 23-August, 2016. Macrophyte abundances (macroalgae, Ruppia maritima) were determined two-to-three times by visually estimating percent cover in six 1 m2 quadrats placed at three random locations along each of two perpendicular transects. The location of the transects was randomly chosen during each sampling event so the same places were not sampled more than once.
Plum Island Ecosystems Long Term Ecological Research (PIE LTER IV, 2016-2022) Anne Giblin Marine Biological Laboratory (508) 289-7488 (508) 457-1548 agiblin@mbl.edu http://orcid.org/0000-0003-3851-2178 principalInvestigator Wilfred Wollheim University of New Hampshire (603) 862-5022 Wil.Wollheim@unh.edu http://orcid.org/0000-0002-5009-3212 principalInvestigator Jim Morris University of South Carolina 803-777-3948 morris@inlet.geol.sc.edu http://research.cas.sc.edu/morris/ https://orcid.org/0000-0002-0511-642X principalInvestigator Nathaniel Weston Villanova University (610) 519-8009 nathaniel.weston@villanova.edu http://nweston.org/ http://orcid.org/0000-0002-6837-360X principalInvestigator Linda Deegan Woodwell Climate Research Center 508-444-1557 ldeegan@woodwellclimate.org http://orcid.org/0000-0002-1017-9599 principalInvestigator Joe Vallino Marine Biological Laboratory (508) 289-7648 (508) 457-1548 jvallino@mbl.edu http://orcid.org/0000-0002-4184-4512 principalInvestigator Robert Pontius Clark University (508) 793-7761 (508) 793-8881 rpontius@clarku.edu http://www2.clarku.edu/~rpontius/ http://orcid.org/0000-0001-7287-5875 principalInvestigator Jarrett Byrnes University of Massachusetts Boston (617) 287-3145 Jarrett.Byrnes@umb.edu http://byrneslab.net/ http://orcid.org/0000-0002-9791-9472 principalInvestigator The Plum Island Ecosystems (PIE) LTER is developing a predictive understanding of the response of a linked watershed-marsh-estuarine system in northeastern Massachusetts to rapid environmental change. Over the last 30 years, surface sea water temperatures in the adjacent Gulf of Maine have risen at 3 times the global average, rates of sea-level rise have accelerated, and precipitation has increased. Coupled with these changes in climate and sea level are substantial changes within the rapidly urbanizing watersheds that influence water, sediment, and nutrient delivery to the marsh and estuary. In PIE IV our focus is on: Dynamics of coastal ecosystems in a region of rapid climate change, sea-level rise, and human impacts. NSF OCE LTER-Plum Island Ecosystems: Dynamics of coastal ecosystems in a region of rapid climate change, sea-level rise, and human impacts. 1637630 MAR-Pond-MacrophyteSummer2016.csv PIE LTER abundances of macroalgae and Ruppia maritima in six high marsh ponds, Rowley, MA, during the summer of 2016. MAR-Pond-MacrophyteSummer2016.csv 4711 f5f0a9f0dd3b02fad46c59b83ee6ae0b 1c9f9f9d996470366952f23b640a997bd0671995 1 \r\n column , https://pie-lter.ecosystems.mbl.edu/sites/default/files/data/MAR-Pond-MacrophyteSummer2016.csv Date Date Date of sample collection date YYYY-MM-DD Pond Pond Pond identity (1-6) string 1 Pond 1 2 Pond 2 3 Pond 3 4 Pond 4 5 Pond 5 6 Pond 6 Region Region High marsh region where pond is located (A, B or C) string A Region A B Region B C Region C Depth Depth Pond depth meter real NA not available Elevation Elevation Marsh elevation at the edge of the pond, relative to NAVD88 meter real NA not available Area Area Pond surface area meterSquared real NA not available Volume Volume Pond volume meterCubed real NA not available SurfAreaVol SurfAreaVol Surface area to volume ratio of the pond dimensionless real NA not available Transect Transect Sampling transect string 1 Transect 1 2 Transect 2 Plot Plot Sampling plot along transect string 1 plot 1 2 Plot 2 3 Plot 3 Ruppia_cover Ruppia cover Percent cover of Ruppia maritima percent real Macroalgae_cover Macroalgae cover Percent cover of macroalgae percent real 93 MAR-Pond-MacrophyteSummer2016.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. MAR-Pond-MacrophyteSummer2016.xls 109568 71f950c9b5de49c9d704a9c5b38af442 72810d958fe75fd44c2207b7a6d4ff96ae8e62d2 application/vnd.ms-excel https://pie-lter.ecosystems.mbl.edu/sites/default/files/data/MAR-Pond-MacrophyteSummer2016.xls document
SI unit of length square meters a designation asserting the absence of an associated unit ratio of two quantities as percent composition (1:100)