| Landscape parameters of seagrass, fish and macroinvertebrate communities within Artificial Seagrass Units (ASU) in Back Sound, NC from July to September 2018 | The sum of 2 times the logarithm of patch perimeter (meters) divided by the logarithm of patch area (square meters) for each patch in the landscape, divided by the number of patches; the raster formula is adjusted to correct for the bias in perimeter
| frac.dim.index |
| Landscape parameters of seagrass, fish and macroinvertebrate communities within Artificial Seagrass Units (ASU) in Back Sound, NC from July to September 2018 | Total landscape perimeter (meters), divided by the square root of the total landscape area (square meters), adjusted by a constant for a circular standard (vector) or square standard (raster)
| landscape.shape.index |
| Landscape parameters of seagrass, fish and macroinvertebrate communities within Artificial Seagrass Units (ASU) in Back Sound, NC from July to September 2018 | Total landscape perimeter (meters) divided by the total landscape area (square meters)
| perim.area.ratio |
| Images and associated metadata of individually classified particles imaged and quantified in sediment trap gel layers collected on four research cruises conducted between 2015 and 2018 | particle 2-dimensional area
| Area |
| Observations of Copepod Reactions to Sinking Aggregates Experiments 2019 | the projected area of the aggregate (in cm squared) measured from the image when the copepod reacted. If the copepod did not react, the aggregate area was measured from an arbitrary image where the aggregate was completely visible.
| Aggregate_Area_cm2 |
| Crustracean population surveys pre- and post-hurricane Irma from seagrass flats in the Florida Keys, USA from 2017 to 2019 | Area of quadrat
| Area |
| Sea urchin (Diadema mexicanum) counts from video transects of reefs off Pacific Panama collected between 2016 and 2018 | Area covered by the video transect
| Area |
| Eelgrass disease metrics from ecological field surveys along the eastern Pacific coast in June through August of 2019, 2020, and 2021. | Total leaf area of the blade that was scanned for disease. (3rd rank leaf at all sites except 2nd rank at Oregon)
| Blade_Area |
| Eelgrass disease metrics from ecological field surveys along the eastern Pacific coast in June through August of 2019, 2020, and 2021. | Leaf area with healthy tissue
| Healthy_Area |
| Eelgrass disease metrics from ecological field surveys along the eastern Pacific coast in June through August of 2019, 2020, and 2021. | Leaf area with disease lesions
| Lesion_Area |
| Eelgrass shoot density measurements taken during ecological field surveys along the eastern Pacific coast in June through August of 2019, 2020, and 2021. | Size (area) of quadrat used to measure seagrass and macroalgae cover in the field
| Cover_Quadrat_Size |
| Eelgrass shoot density measurements taken during ecological field surveys along the eastern Pacific coast in June through August of 2019, 2020, and 2021. | Size (area) of quadrat used to measure seagrass shoot densities in the field
| Density_Quadrat_Size |
| Eelgrass shoot metrics from ecological field surveys in six regions along the eastern Pacific coast in June through August of 2019, 2020, and 2021. | Blade area of scanned blade calculated from measurements of length and width made by hand in the lab
| Blade_Area_Hand |
| Epifluorescence Microscopy Water Column Samples from R/V Tangaroa TAN1810 in the Chatham Rise (Subtropical and Sub-Antarctic waters off of New Zealand) from October to November 2018 (Salp Food Web Ecology project) | Area of the cell
| Area |
| Dataset 3: Field measurements of periostracum cover of mussels from focal population collected at Marshall Gulch Beach, CA in July and August 2022 | Shell area: average mussel valve area measurement between both mussel valves (ImageJ)
| shell_A_avg |
| Filter area measurements from Oikopleura dioica tail beat kinematics and particle tracking experiments conducted in December 2015 | Filter area measured in ImageJ
| Area |
| Phenotypic plasticity in sand dollars in response to predators at the Friday Harbor Laboratories, WA, USA and in sea urchins from Southern Maine, USA from 2018 to 2019 | Disk area calculated from DD1 and DD2 assuming elliptical shape.
| Area_um |
| Manually annotated reef halos based on sattelite imagery from 6 study areas as training and test data for a deep learning model | Surface area of the halo object
| SHAPE_Area |
| Mask R-CNN and U-Net model and output of coral reef halo measurements based on global multispectral satellite imagery | Halo area
| hArea_m2 |
| Mask R-CNN and U-Net model and output of coral reef halo measurements based on global multispectral satellite imagery | Log-transformed halo area
| log_hArea_m2 |
| Mask R-CNN and U-Net model and output of coral reef halo measurements based on global multispectral satellite imagery | Log-transformed reefarea
| log_rArea_m2 |
| Mask R-CNN and U-Net model and output of coral reef halo measurements based on global multispectral satellite imagery | Reef area
| rArea_m2 |
| Morphology and features of Millepora colonies at Cabritte Horn (St.John, US Virgin Islands) from 1992-2021 | Area of Millepora in each image
| Area_Millepora |
| Ice core Be7 concentrations from the MOSAIC expedition on the R/V Polarstern in the Central Arctic Ocean from October 2019 to May 2020 | Horizontal sample area
| AREA_SAMPLED |
| Snow and frost flower Be7 concentrations from the MOSAIC expedition on the R/V Polarstern in the Central Arctic Ocean from October 2019 to May 2020 | Horizontal sample area
| AREA_SAMPLED |
| Dataset 1: Lab incubations of mussels (Mytilus californianus) in 2022 to examine the influence of periostracum cover and pH on external shell dissolution collected at Marshall Gulch Beach, CA from August 2021 to March 2022 | Mussel valve area measurement (ImageJ)
| shell_A |
| Dataset 2: Lab incubations of mussels in 2022 to examine the influence of simulated abrasion of periostracum on external shell dissolution collected at Marshall Gulch Beach, CA from August 2021 to March 2022 | Mussel valve area measurement (ImageJ)
| shell_A |
| Sponge volume from repeated surveys in St. Thomas, U.S. Virgin Islands, before and after the 2017 hurricane season | Quadrat unique identifier
| quadrat |
| Quadrat species counts and measurements along the Northern Central California coast from 2017 to 2021 | The area of a sector
| Quadrat_Area |
| Quadrat sampling information along the Northern Central California coast from 2017 to 2021 | Area of the sector
| Quadrat_Area |
| Quantification of ciliated band length per unit protein in early echinoderm larvae (biometirc data), collected between 2020 and 2022 in the laboratory at California State University, Long Beach. | Stomach area calculated from stomach length and stomach width
| sa |
| Ecological results of SCTLD multi-species transmission experiment at the University of the Virgin Islands Center for Marine and Environmental Studies | Change in area of lesion
| Change_in_area_of_lesion |
| Sea urchin frequency and diameters as surveyed in Sitka Sound and Torch Bay, Alaska | Area of quadrat
| Quadrat_Area |
©2020 Biological and Chemical Oceanography Data Management Office.