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BCO-DMO ERDDAP
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| Dataset Title: | [Tide Height Variability Quadrats] - Species surveys at defined tides on the exposed rocky shores of Tatoosh Island, Makah Reservation, Washington 2014- 2017 (Eco-Evolutionary Response to the Scale of Temporal Environmental Fluctuation) 
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| Institution: | BCO-DMO (Dataset ID: bcodmo_dataset_1003120_v1) |
| Range: | longitude = -124.741 to -124.7327°E, latitude = 48.3912 to 48.39387°N |
| Information: | Summary
| License
| FGDC
| ISO 19115
| Metadata
| Background
| Data Access Form
| Files
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Zoom: ![[The graph you specified. Please be patient.]](https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_1003120_v1.png?longitude,latitude,Transit&.draw=markers&.marker=5%7C5&.color=0x000000&.colorBar=%7C%7C%7C%7C%7C&.bgColor=0xffccccff)
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Attributes {
s {
Site {
String long_name "Site";
String units "unitless";
}
Sample_Date {
String long_name "Sample_date";
String units "unitless";
}
Transit {
Float32 actual_range 0.05, 4.7;
String long_name "Transit";
String units "meters";
}
Marker {
Float32 actual_range 3.569, 4.469;
String long_name "Marker";
String units "meters";
}
Tide_Height {
Float32 actual_range -0.833, 3.82;
String long_name "Tide_height";
String units "meters";
}
Quadrat_number {
Int32 actual_range 1, 15;
String long_name "Quadrat_number";
String units "unitless";
}
Upper_Lower_Half {
String long_name "Upper_lower_half";
String units "unitless";
}
Bare_Rock {
Int32 actual_range 0, 66;
String long_name "Bare_rock";
String units "number of occupied subsquares";
}
Hedophyllum_sessile {
Int32 actual_range 0, 66;
String long_name "Hedophyllum_sessile";
String units "number of occupied subsquares";
}
Alaria_marginata {
Int32 actual_range 0, 28;
String long_name "Alaria_marginata";
String units "number of occupied subsquares";
}
Laminaria_setchellii {
Int32 actual_range 0, 66;
String long_name "Laminaria_setchellii";
String units "number of occupied subsquares";
}
Costaria_costata {
Int32 actual_range 0, 6;
String long_name "Costaria_costata";
String units "number of occupied subsquares";
}
Postelsia_palmaeformis {
Int32 actual_range 0, 0;
String long_name "Postelsia_palmaeformis";
String units "number of occupied subsquares";
}
Fucus_gardneri {
Int32 actual_range 0, 1;
String long_name "Fucus_gardneri";
String units "number of occupied subsquares";
}
Egregia_menziesii {
Int32 actual_range 0, 15;
String long_name "Egregia_menziesii";
String units "number of occupied subsquares";
}
Lessoniopsis_littoralis {
Int32 actual_range 0, 66;
String long_name "Lessoniopsis_littoralis";
String units "number of occupied subsquares";
}
Leathesia_difformis {
Int32 actual_range 0, 4;
String long_name "Leathesia_difformis";
String units "number of occupied subsquares";
}
Nereocystis_luetkeana {
Int32 actual_range 0, 14;
String long_name "Nereocystis_luetkeana";
String units "number of occupied subsquares";
}
Pelvetiopsis_limitata {
Int32 actual_range 0, 52;
String long_name "Pelvetiopsis_limitata";
String units "number of occupied subsquares";
}
Crustose_Coralline_Algae {
Int32 actual_range 0, 20;
String long_name "Crustose_coralline_algae";
String units "number of occupied subsquares";
}
Articulated_Coralline_Algae {
Int32 actual_range 0, 62;
String long_name "Articulated_coralline_algae";
String units "number of occupied subsquares";
}
Crustose_Red_Algae {
Int32 actual_range 0, 36;
String long_name "Crustose_red_algae";
String units "number of occupied subsquares";
}
Foliose_Red_Algae {
Int32 actual_range 0, 46;
String long_name "Foliose_red_algae";
String units "number of occupied subsquares";
}
Filamentous_Red_Algae {
Int32 actual_range 0, 28;
String long_name "Filamentous_red_algae";
String units "number of occupied subsquares";
}
Halosaccion_glandiforme {
Int32 actual_range 0, 43;
String long_name "Halosaccion_glandiforme";
String units "number of occupied subsquares";
}
Callithamnion_pikeanum {
Int32 actual_range 0, 31;
String long_name "Callithamnion_pikeanum";
String units "number of occupied subsquares";
}
Mastocarpus_papillatus {
Int32 actual_range 0, 65;
String long_name "Mastocarpus_papillatus";
String units "number of occupied subsquares";
}
Endocladia_muricata {
Int32 actual_range 0, 60;
String long_name "Endocladia_muricata";
String units "number of occupied subsquares";
}
Porphyra_spp {
Int32 actual_range 0, 58;
String long_name "Porphyra_spp";
String units "number of occupied subsquares";
}
Mazzaella_cornucopiae {
Int32 actual_range 0, 66;
String long_name "Mazzaella_cornucopiae";
String units "number of occupied subsquares";
}
Ulva_spp {
Float32 actual_range 0.0, 37.0;
String long_name "Ulva_spp";
String units "number of occupied subsquares";
}
Acrosiphonia_coalita {
Int32 actual_range 0, 21;
String long_name "Acrosiphonia_coalita";
String units "number of occupied subsquares";
}
Phyllospadix_spp {
Int32 actual_range 0, 44;
String long_name "Phyllospadix_spp";
String units "number of occupied subsquares";
}
Allopora_californica {
Int32 actual_range 0, 6;
String long_name "Allopora_californica";
String units "number of occupied subsquares";
}
Colonial_Hydroid {
Int32 actual_range 0, 7;
String long_name "Colonial_hydroid";
String units "number of occupied subsquares";
}
Anthopleura_xanthogrammica {
Int32 actual_range 0, 14;
String long_name "Anthopleura_xanthogrammica";
String units "number of occupied subsquares";
}
Anthopleura_elegantissima {
Int32 actual_range 0, 4;
String long_name "Anthopleura_elegantissima";
String units "number of occupied subsquares";
}
Clathria_spp {
Int32 actual_range 0, 0;
String long_name "Clathria_spp";
String units "number of occupied subsquares";
}
Halichondria_bowerbanki {
Int32 actual_range 0, 1;
String long_name "Halichondria_bowerbanki";
String units "number of occupied subsquares";
}
Halichondria_panicea {
Int32 actual_range 0, 7;
String long_name "Halichondria_panicea";
String units "number of occupied subsquares";
}
Haliclona_cinerea {
Int32 actual_range 0, 0;
String long_name "Haliclona_cinerea";
String units "number of occupied subsquares";
}
Serpula_columbiana {
Int32 actual_range 0, 0;
String long_name "Serpula_columbiana";
String units "number of occupied subsquares";
}
Aplidium_californicum {
Int32 actual_range 0, 66;
String long_name "Aplidium_californicum";
String units "number of occupied subsquares";
}
Mytilus_californianus {
Int32 actual_range 0, 66;
String long_name "Mytilus_californianus";
String units "number of occupied subsquares";
}
Mytilus_trossulus {
Int32 actual_range 0, 66;
String long_name "Mytilus_trossulus";
String units "number of occupied subsquares";
}
Pollicipes_polymerus {
Int32 actual_range 0, 51;
String long_name "Pollicipes_polymerus";
String units "number of occupied subsquares";
}
Balanus_nubilus {
Int32 actual_range 0, 65;
String long_name "Balanus_nubilus";
String units "number of occupied subsquares";
}
Semibalanus_cariosus {
Int32 actual_range 0, 65;
String long_name "Semibalanus_cariosus";
String units "number of occupied subsquares";
}
Balanus_glandula {
Int32 actual_range 0, 66;
String long_name "Balanus_glandula";
String units "number of occupied subsquares";
}
Chthamalus_dalli {
Int32 actual_range 0, 0;
String long_name "Chthamalus_dalli";
String units "number of occupied subsquares";
}
Unidentified_Barnacles {
Int32 actual_range -23, 7;
String long_name "Unidentified_barnacles";
String units "number of occupied subsquares";
}
Others {
Int32 actual_range -32, 50;
String long_name "Others";
String units "number of occupied subsquares";
}
SSWD_Zonation_Change_Data {
Int32 actual_range 0, 1;
String long_name "Sswd_zonation_change_data";
String units "unitless";
}
latitude {
String _CoordinateAxisType "Lat";
Float32 actual_range 48.3912, 48.39387;
String axis "Y";
String ioos_category "Location";
String long_name "Site_latitude";
String standard_name "latitude";
String units "degrees_north";
}
longitude {
String _CoordinateAxisType "Lon";
Float32 actual_range -124.741, -124.7327;
String axis "X";
String ioos_category "Location";
String long_name "Site_longitude";
String standard_name "longitude";
String units "degrees_east";
}
}
NC_GLOBAL {
String cdm_data_type "Other";
String Conventions "COARDS, CF-1.6, ACDD-1.3";
String creator_email "info@bco-dmo.org";
String creator_name "BCO-DMO";
String creator_url "https://www.bco-dmo.org/";
String doi "10.26008/1912/bco-dmo.1003120.1";
Float64 Easternmost_Easting -124.7327;
Float64 geospatial_lat_max 48.39387;
Float64 geospatial_lat_min 48.3912;
String geospatial_lat_units "degrees_north";
Float64 geospatial_lon_max -124.7327;
Float64 geospatial_lon_min -124.741;
String geospatial_lon_units "degrees_east";
String history
"2026-08-13T09:21:14Z (local files)
2026-08-13T09:21:14Z https://erddap.bco-dmo.org/tabledap/bcodmo_dataset_1003120_v1.das";
String infoUrl "https://osprey.bco-dmo.org/dataset/1003120";
String institution "BCO-DMO";
String license
"The data may be used and redistributed for free but is not intended
for legal use, since it may contain inaccuracies. Neither the data
Contributor, ERD, NOAA, nor the United States Government, nor any
of their employees or contractors, makes any warranty, express or
implied, including warranties of merchantability and fitness for a
particular purpose, or assumes any legal liability for the accuracy,
completeness, or usefulness, of this information.";
Float64 Northernmost_Northing 48.39387;
String sourceUrl "(local files)";
Float64 Southernmost_Northing 48.3912;
String summary "To quantify spatio-temporal changes in sessile species cover across a strong environmental gradient, we implemented a structured sampling program of quadrats deployed at discrete tidal heights in the rocky intertidal shores of Tatoosh Island, Makah Reservation, Washington, USA. At each of four wave-exposed sites with fairly uniform large rock benches, we placed and digitally photographed 50 x 50 centimeter (cm) quadrats at defined tide heights across the vertical extent of the shoreline during spring low tides using a laser level. At each tide height, we placed 10 quadrats spaced in an approximately uniform pattern to sample the entire benches, while avoiding irregular topographic features such as tide pools and large cracks, thereby establishing 10 sampling paths down the shore. Sampling heights were defined at 0.2-meter (m) intervals, occasionally at 0.1 m intervals and referenced to markers at the sites of known tidal height. Surveys were made annually from 2014-2017 in July-August following the same general methods. Quadrat locations were not identical from year to year, but followed the same general paths from one year to the next, allowing some degree of control over topographical and hydrodynamic differences across the bench from one year to the next. Photographs of the upper and lower halves of each quadrat were analyzed separately by computer in the lab for the percentage of area covered of each visible organism to the lowest taxonomic level identifiable in non-destructive photographs. The resulting data provide a picture of variability in sessile species composition across time and space along a strong gradient of environmental change, including documenting temporal variability of populations, changes in sea level, effects of changes in the abundance of key species via disease and climate variation, and determinants of zonation.";
String title "[Tide Height Variability Quadrats] - Species surveys at defined tides on the exposed rocky shores of Tatoosh Island, Makah Reservation, Washington 2014-2017 (Eco-Evolutionary Response to the Scale of Temporal Environmental Fluctuation)";
Float64 Westernmost_Easting -124.741;
}
}
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