Photoquadrat analysis of how sea urchins reduce abundance of Kappaphycus and analysis of regrowth of coral on plots in Kaneohe Bay, Oahu, Hawaii in 2002 (NCEI Accession 0001022)

An experiment was performed to assess the potential to use native sea urchins as biocontrols for alien/invasive seaweeds. One species of urchin, tripneustes gratilla, was bedded in a 1/4 m2 plot with > 50% kappaphycus cover. Fences were made out of plastic coated chicken wire and were surveyed every month with photoquadrats to assess kappaphycus abundance. In addition, regrowth of plots where kappaphycus had been removed was monitored.

Data and Resources

Field Value
access_constraints ["Cite as: Hunter, Cynthia; UH M\u00c4\u0081noa (2010). Photoquadrat analysis of how sea urchins reduce abundance of Kappaphycus and analysis of regrowth of coral on plots in Kaneohe Bay, Oahu, Hawaii in 2002 (NCEI Accession 0001022). [indicate subset used]. NOAA National Centers for Environmental Information. Dataset. https://www.ncei.noaa.gov/archive/accession/0001022. Accessed [date].", "Use liability: NOAA and NCEI cannot provide any warranty as to the accuracy, reliability, or completeness of furnished data. Users assume responsibility to determine the usability of these data. The user is responsible for the results of any application of this data for other than its intended purpose."]
bbox-east-long -157.79
bbox-north-lat 21.47
bbox-south-lat 21.45
bbox-west-long -157.83
contact-email ncei.info@noaa.gov
coupled-resource []
dataset-reference-date [{"type": "publication", "value": "2010-12-17"}]
frequency-of-update asNeeded
graphic-preview-description Graphic not available.
graphic-preview-file https://www.ncei.noaa.gov/access/metadata/landing-page/bin/gfx?id=gov.noaa.nodc:0001022
graphic-preview-type PNG
guid gov.noaa.nodc:0001022
licence ["accessLevel: Public"]
metadata-date 2018-11-01T14:25:30Z
metadata-language eng
metadata_type geospatial
old-spatial {"type": "Polygon", "coordinates": [[[-157.83, 21.45], [-157.79, 21.45], [-157.79, 21.47], [-157.83, 21.47], [-157.83, 21.45]]]}
progress completed
resource-type dataset
responsible-party [{"name": "", "roles": ["pointOfContact"]}]
spatial {"type": "Polygon", "coordinates": [[[-157.83, 21.45], [-157.79, 21.45], [-157.79, 21.47], [-157.83, 21.47], [-157.83, 21.45]]]}
spatial_harvester true
temporal-extent-begin 2002-06-01
temporal-extent-end 2002-11-06
Groups
  • AmeriGEOSS
  • National Provider
  • North America
Tags
  • alien-marine-algae-species
  • amerigeo
  • amerigeoss
  • ckan
  • coastal-studies
  • coral-reef
  • geo
  • geoss
  • hawaii
  • invasive
  • kaneohe-bay
  • macroalgae
  • national
  • north-america
  • north-pacific
  • oahu
  • oceanography
  • percent-cover-coral-fishbite
  • percent-cover-crustose-coralline
  • percent-cover-dcavernosa
  • percent-cover-dictyosphaeria-versuysii
  • percent-cover-kappaphycus
  • percent-cover-montipora-capitata
  • percent-cover-porites-compressa
  • percent-cover-turf
  • united-states
isopen False
metadata_created 2025-11-19T14:54:40.088961
metadata_modified 2025-11-19T14:54:40.088967
notes An experiment was performed to assess the potential to use native sea urchins as biocontrols for alien/invasive seaweeds. One species of urchin, tripneustes gratilla, was bedded in a 1/4 m2 plot with > 50% kappaphycus cover. Fences were made out of plastic coated chicken wire and were surveyed every month with photoquadrats to assess kappaphycus abundance. In addition, regrowth of plots where kappaphycus had been removed was monitored.
num_resources 13
num_tags 26
title Photoquadrat analysis of how sea urchins reduce abundance of Kappaphycus and analysis of regrowth of coral on plots in Kaneohe Bay, Oahu, Hawaii in 2002 (NCEI Accession 0001022)