BCO-DMO ERDDAP
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Row Type Variable Name Attribute Name Data Type Value
attribute NC_GLOBAL access_formats String .htmlTable,.csv,.json,.mat,.nc,.tsv,.esriCsv,.geoJson
attribute NC_GLOBAL acquisition_description String We conducted tethering experiments in several northern California bays: Bodega\nHarbor, Tomales Bay, Bolinas Lagoon, and Seadrift Lagoon. All sites were\naccessed by foot via shore entry.\\u00a0At each of four sites within each bay,\nwe placed 10 small European green crabs (collected locally) in parallel arrays\nnear the 0.0 tide level. Tethers were retrieved 24 hours later data and scored\nfor presence/absence of crab including missing appendages and or condition of\nremaining tether line.\n \nSee Turner et al. (2016) Biological Invasions 18: 533-548 for additional\nmethodological details:  \n Turner, B.C., de Rivera, C.E., Grosholz, E.D., & Ruiz, G.M. 2016. Assessing\npopulation increase as a possible outcome to management of invasive species.\nBiological Invasions, 18(2), pp 533\\u2013548.\ndoi:[10.1007/s10530-015-1026-9](\\\\\"https://dx.doi.org/10.1007/s10530-015-1026-9\\\\\")
attribute NC_GLOBAL awards_0_award_nid String 699764
attribute NC_GLOBAL awards_0_award_number String OCE-1514893
attribute NC_GLOBAL awards_0_data_url String http://www.nsf.gov/awardsearch/showAward.do?AwardNumber=1514893 (external link)
attribute NC_GLOBAL awards_0_funder_name String NSF Division of Ocean Sciences
attribute NC_GLOBAL awards_0_funding_acronym String NSF OCE
attribute NC_GLOBAL awards_0_funding_source_nid String 355
attribute NC_GLOBAL awards_0_program_manager String David L. Garrison
attribute NC_GLOBAL awards_0_program_manager_nid String 50534
attribute NC_GLOBAL cdm_data_type String Other
attribute NC_GLOBAL comment String Tethering data for introduced crab for 2015 \n PI: Edwin Grosholz (UC Davis) \n Co-PI: Catherine de Rivera & Gregory Ruiz (Portland State University)  \n Version: 15 June 2017 \n Note that all Seadrift sites are very close together and thus one lat/lon pair are used to represent all sites within Seadrift.
attribute NC_GLOBAL Conventions String COARDS, CF-1.6, ACDD-1.3
attribute NC_GLOBAL creator_email String info at bco-dmo.org
attribute NC_GLOBAL creator_name String BCO-DMO
attribute NC_GLOBAL creator_type String institution
attribute NC_GLOBAL creator_url String https://www.bco-dmo.org/ (external link)
attribute NC_GLOBAL data_source String extract_data_as_tsv version 2.3  19 Dec 2019
attribute NC_GLOBAL date_created String 2017-05-31T16:08:41Z
attribute NC_GLOBAL date_modified String 2020-01-14T18:23:51Z
attribute NC_GLOBAL defaultDataQuery String &time<now
attribute NC_GLOBAL doi String 10.1575/1912/bco-dmo.701726.1
attribute NC_GLOBAL Easternmost_Easting double -122.653096
attribute NC_GLOBAL geospatial_lat_max double 38.316968
attribute NC_GLOBAL geospatial_lat_min double 37.906503
attribute NC_GLOBAL geospatial_lat_units String degrees_north
attribute NC_GLOBAL geospatial_lon_max double -122.653096
attribute NC_GLOBAL geospatial_lon_min double -123.058725
attribute NC_GLOBAL geospatial_lon_units String degrees_east
attribute NC_GLOBAL infoUrl String https://www.bco-dmo.org/dataset/701726 (external link)
attribute NC_GLOBAL institution String BCO-DMO
attribute NC_GLOBAL keywords String bay, bco, bco-dmo, biological, chemical, collected, data, dataset, date, date_collected, dmo, erddap, latitude, longitude, management, oceanography, office, outcome, preliminary, sex, site, size
attribute NC_GLOBAL license String https://www.bco-dmo.org/dataset/701726/license (external link)
attribute NC_GLOBAL metadata_source String https://www.bco-dmo.org/api/dataset/701726 (external link)
attribute NC_GLOBAL Northernmost_Northing double 38.316968
attribute NC_GLOBAL param_mapping String {'701726': {'lat': 'master - latitude', 'lon': 'master - longitude'}}
attribute NC_GLOBAL parameter_source String https://www.bco-dmo.org/mapserver/dataset/701726/parameters (external link)
attribute NC_GLOBAL people_0_affiliation String University of California-Davis
attribute NC_GLOBAL people_0_affiliation_acronym String UC Davis
attribute NC_GLOBAL people_0_person_name String Edwin Grosholz
attribute NC_GLOBAL people_0_person_nid String 699768
attribute NC_GLOBAL people_0_role String Principal Investigator
attribute NC_GLOBAL people_0_role_type String originator
attribute NC_GLOBAL people_1_affiliation String Portland State University
attribute NC_GLOBAL people_1_affiliation_acronym String PSU
attribute NC_GLOBAL people_1_person_name String Catherine de Rivera
attribute NC_GLOBAL people_1_person_nid String 699771
attribute NC_GLOBAL people_1_role String Co-Principal Investigator
attribute NC_GLOBAL people_1_role_type String originator
attribute NC_GLOBAL people_2_affiliation String Portland State University
attribute NC_GLOBAL people_2_affiliation_acronym String PSU
attribute NC_GLOBAL people_2_person_name String Gregory Ruiz
attribute NC_GLOBAL people_2_person_nid String 471603
attribute NC_GLOBAL people_2_role String Co-Principal Investigator
attribute NC_GLOBAL people_2_role_type String originator
attribute NC_GLOBAL people_3_affiliation String Woods Hole Oceanographic Institution
attribute NC_GLOBAL people_3_affiliation_acronym String WHOI BCO-DMO
attribute NC_GLOBAL people_3_person_name String Shannon Rauch
attribute NC_GLOBAL people_3_person_nid String 51498
attribute NC_GLOBAL people_3_role String BCO-DMO Data Manager
attribute NC_GLOBAL people_3_role_type String related
attribute NC_GLOBAL project String Invasive_predator_harvest
attribute NC_GLOBAL projects_0_acronym String Invasive_predator_harvest
attribute NC_GLOBAL projects_0_description String The usual expectation is that when populations of plants and animals experience repeated losses to predators or human harvest, they would decline over time. If instead these populations rebound to numbers exceeding their initial levels, this would seem counter-intuitive or even paradoxical. However, for several decades mathematical models of population processes have shown that this unexpected response, formally known as overcompensation, is not only possible, but even expected under some circumstances. In what may be the first example of overcompensation in a marine system, a dramatic increase in a population of the non-native European green crab was recently observed following an intensive removal program. This RAPID project will use field surveys and laboratory experiments to verify that this population explosion results from overcompensation. Data will be fed into population models to understand to what degree populations processes such as cannibalism by adult crabs on juvenile crabs and changes in maturity rate of reproductive females are contributing to or modifying overcompensation. The work will provide important insights into the fundamental population dynamics that can produce overcompensation in both natural and managed populations. Broader Impacts include mentoring graduate trainees and undergraduate interns in the design and execution of field experiments as well as in laboratory culture and feeding experiments. The project will also involve a network of citizen scientists who are involved with restoration activities in this region and results will be posted on the European Green Crab Project website.\nThis project aims to establish the first example of overcompensation in marine systems. Overcompensation refers to the paradoxical process where reduction of a population due to natural or human causes results in a greater equilibrium population than before the reduction. A population explosion of green crabs has been recently documented in a coastal lagoon and there are strong indications that this may be the result of overcompensation. Accelerated maturation of females, which can accompany and modify the expression of overcompensation has been observed. This RAPID project will collect field data from this unusual recruitment class and conduct targeted mesocosm experiments. These will include population surveys and mark-recapture studies to measure demographic rates across study sites. Laboratory mesocosm studies using this recruitment class will determine size specific mortality. Outcomes will be used in population dynamics models to determine to what degree overcompensation has created this dramatic population increase. The project will seek answers to the following questions: 1) what are the rates of cannibalism by adult green crabs and large juveniles on different sizes of juvenile green crabs, 2) what are the consequences of smaller size at first reproduction for population dynamics and for overcompensation and 3) how quickly will the green crab population return to the levels observed prior to the eradication program five years earlier?
attribute NC_GLOBAL projects_0_end_date String 2016-11
attribute NC_GLOBAL projects_0_geolocation String Europe
attribute NC_GLOBAL projects_0_name String RAPID: A rare opportunity to examine overcompensation resulting from intensive harvest of an introduced predator
attribute NC_GLOBAL projects_0_project_nid String 699765
attribute NC_GLOBAL projects_0_start_date String 2014-12
attribute NC_GLOBAL publisher_name String Biological and Chemical Oceanographic Data Management Office (BCO-DMO)
attribute NC_GLOBAL publisher_type String institution
attribute NC_GLOBAL sourceUrl String (local files)
attribute NC_GLOBAL Southernmost_Northing double 37.906503
attribute NC_GLOBAL standard_name_vocabulary String CF Standard Name Table v55
attribute NC_GLOBAL summary String Tethering data for introduced crab for 2015. Experiments were conducted in several bays along Central California coast, shallow subtidal (<3 m depth).
attribute NC_GLOBAL title String [Crab Tethering] - Tethering experiments on introduced crab conducted in several bays along the Central California coast in 2015 (RAPID: A rare opportunity to examine overcompensation resulting from intensive harvest of an introduced predator)
attribute NC_GLOBAL version String 1
attribute NC_GLOBAL Westernmost_Easting double -123.058725
attribute NC_GLOBAL xml_source String osprey2erddap.update_xml() v1.3
variable bay String
attribute bay bcodmo_name String site
attribute bay description String Name of bay
attribute bay long_name String Bay
attribute bay units String unitless
variable site String
attribute site bcodmo_name String site
attribute site description String Name/identifier of the site within the bay
attribute site long_name String Site
attribute site units String unitless
variable latitude double
attribute latitude _CoordinateAxisType String Lat
attribute latitude _FillValue double NaN
attribute latitude actual_range double 37.906503, 38.316968
attribute latitude axis String Y
attribute latitude bcodmo_name String latitude
attribute latitude colorBarMaximum double 90.0
attribute latitude colorBarMinimum double -90.0
attribute latitude description String Latitude of the site
attribute latitude ioos_category String Location
attribute latitude long_name String Latitude
attribute latitude nerc_identifier String https://vocab.nerc.ac.uk/collection/P09/current/LATX/ (external link)
attribute latitude standard_name String latitude
attribute latitude units String degrees_north
variable longitude double
attribute longitude _CoordinateAxisType String Lon
attribute longitude _FillValue double NaN
attribute longitude actual_range double -123.058725, -122.653096
attribute longitude axis String X
attribute longitude bcodmo_name String longitude
attribute longitude colorBarMaximum double 180.0
attribute longitude colorBarMinimum double -180.0
attribute longitude description String Longitude of the site
attribute longitude ioos_category String Location
attribute longitude long_name String Longitude
attribute longitude nerc_identifier String https://vocab.nerc.ac.uk/collection/P09/current/LONX/ (external link)
attribute longitude standard_name String longitude
attribute longitude units String degrees_east
variable date_collected String
attribute date_collected bcodmo_name String date
attribute date_collected description String Date retrieved (yyyy-mm-dd)
attribute date_collected long_name String Date Collected
attribute date_collected nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/ADATAA01/ (external link)
attribute date_collected units String unitless
variable size byte
attribute size _FillValue byte 127
attribute size actual_range byte 11, 41
attribute size bcodmo_name String width
attribute size description String Carapace width in millimeters
attribute size long_name String Size
attribute size units String millimeters (mm)
variable sex String
attribute sex bcodmo_name String sex
attribute sex description String Sex: M=male, F=female, P=parasitized
attribute sex long_name String Sex
attribute sex units String unitless
variable outcome String
attribute outcome bcodmo_name String unknown
attribute outcome description String Condition of crab and tether after retrieval: Undamaged = intact, no evidence of predation; ML = missing legs; Predation = evidence of predation; Escape = evidence that tether failed; Loop = tether loop still intact.
attribute outcome long_name String Outcome
attribute outcome units String unitless

 
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