uid=PIE,o=EDI,dc=edirepository,dc=org all public read HTL-MAR-FiddlerCrabBodySize Fiddler crab body size in salt marshes from Florida to Massachusetts, USA at PIE and VCR LTER and NOAA NERR sites during summer 2016. 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 Plum Island Ecosystems LTER http://pie-lter.ecosystems.mbl.edu/ 2019 English
Bergmann’s rule predicts that organisms at higher latitudes are larger than ones at lower latitudes. Here, we examine the body-size pattern of the Atlantic fiddler crab, Minuca (=Uca) pugnax, from salt marshes on the east coast of the United States across 12 degrees of latitude. We found that M. pugnax followed Bergmann’s rule and that, on average, crab carapace width increased by 0.5 mm per degree of latitude. Minuca pugnax body size also followed the temperature-size rule with body size inversely related to mean water temperature. Because an organism’s size influences its impact on an ecosystem, and Minuca pugnax is an ecosystem engineer that affects marsh functioning, the larger crabs at higher latitudes may have greater per-capita impacts on salt marshes than the smaller crabs at lower latitudes.  
Population Dynamics Core Areas population dynamics salt marshes fiddler crab PIE LTER Plum Island Ecosystems LTER Controlled Vocabulary
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https://pie-lter.ecosystems.mbl.edu/content/fiddler-crab-body-size-salt-marshes-florida-massachusetts-usa-pie-and-vcr-lter-and-noaa-nerr Guana Tolomoto Matanzas, Florida, National Estuarine Research Reserve (NERR) -81.326751708984 -81.326751708984 30.022708892822 30.022708892822 Sapelo Island, Georgia, National Estuarine Research Reserve (NERR) -81.363990783691 -81.363990783691 31.456800460815 31.456800460815 North Inlet Winyah Bay, South Carolina, National Estuarine Research Reserve (NERR) -79.204917907715 -79.204917907715 33.335121154785 33.335121154785 Zeke's Island, North Carolina, National Estuarine Research Reserve (NERR) -77.943847656250 -77.943847656250 33.959590911865 33.959590911865 Rachel Carson, North Carolina, National Estuarine Research Reserve (NERR) -76.675979614258 -76.675979614258 34.722114562988 34.722114562988 Virginia Coastal Reserve, Virginia, Long Term Ecological Research (LTER) -75.942436218262 -75.942436218262 37.174091339111 37.174091339111 Delaware Bay, Delaware, National Estuarine Research Reserve (NERR) -75.437377929688 -75.437377929688 39.088191986084 39.088191986084 Jacques Cousteau, New Jersey, National Estuarine Research Reserve (NERR) -74.341995239258 -74.341995239258 39.565799713135 39.565799713135 Sixpenny Island Wildlife Area, Groton, Connecticut -71.981254577637 -71.981254577637 41.333942413330 41.333942413330 Narragansett Bay, Prudence Island, Rhode Island, National Estuarine Research Reserve (NERR) -71.326187133789 -71.326187133789 41.625881195068 41.625881195068 Cape Cod National Seashore, Wellfleet, Massachusetts -70.068092346191 -70.068092346191 41.930938720703 41.930938720703 Bare Cove Park, Weymouth, Massachusetts -70.927017211914 -70.927017211914 42.229797363281 42.229797363281 West Creek, Plum Island Estuary, Rowley, Massachusetts -70.848899841309 -70.848899841309 42.739189147949 42.739189147949 2016-07-01 2016-09-01 Version 01: November 20, 2019, 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. 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 Plum Island Ecosystems LTER http://pie-lter.ecosystems.mbl.edu/ Plum Island Ecosystems
We collected ~30 male, adult Minuca pugnax from thirteen marshes from  Florida to Massachusetts and measured their carapace width with calipers. Water and air temperature data were collected from long-term monitoring programs (such as those from Long Term Ecological Research sites LTERs) and from public weather stations.
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 HTL-MAR-FiddlerCrabBodySize.csv Fiddler crab body size in salt marshes from Florida to Massachusetts, USA at PIE and VCR LTER and NOAA NERR sites during summer 2016. HTL-MAR-FiddlerCrabBodySize.csv 20899 d6ee361f43c77d32490f6f8e079c26c1 2f2af744e2930d969a9ad4e1e074e1e43ef993f9 1 \r\n column , https://pie-lter.ecosystems.mbl.edu/sites/default/files/data/HTL-MAR-FiddlerCrabBodySize.csv Date Date Date crabs were collected date YYYY-MM-DD Latitude Latitude Latitude of salt marsh degree real Site Site Location where crabs were collected string GTM Guana Tolomoto Matanzas NERR SI Sapelo Island NERR NIB North Inlet Winyah Bay NERR ZI Zeke's Island NERR RC Rachel Carson NERR VCR Virginia Coastal Reserve LTER DB Delaware Bay NERR JC Jacques Cousteau NERR CT Sixpenny Island - Connecticut NB Narragansett Bay NERR CC Cape Cod BC Bare Cove Park PIE Plum Island Estuary - West Creek Replicate Replicate Replicate crab within a site number real carapace_width carapace width Carapace width of a crab millimeter real MATA MATA Mean annual air temperature celsius real SATA SATA Standard deviation of mean annual air temperature celsius real MATW MATW Mean annual water temperature celsius real SATW SATW Standard deviation of mean annual water temperature celsius real 392 HTL-MAR-FiddlerCrabBodySize.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. HTL-MAR-FiddlerCrabBodySize.xls 172032 ca62866ac6f1d3421a6f3aee563a4b57 b5ae1ccced4dfdcd5479bc76f67f0d76ffd78a74 application/vnd.ms-excel https://pie-lter.ecosystems.mbl.edu/sites/default/files/data/HTL-MAR-FiddlerCrabBodySize.xls document
360 degrees comprise a unit circle a number .001 meters A common unit of temperature