Catalog - Data.gov

Found 732 datasets matching "sea urchins".

#1 Federal
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)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2026-01-19T00:00:00.000+00:00
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...
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Search relevance: 98.99 | Views last month: 1
#2 Federal
Sea urchin counts obtained by SCUBA at shallow nearshore sites along the north Pacific Rim from Bering Island to Southeast Alaska during 1987-2021
- Organization: Department of the Interior
- Updated: 2023-12-14T00:00:00Z
The data consist of counts of sea urchins in quadrats from over 600 nearshore rocky bottom sites that were sampled by scuba between 1987 and 2021. The sites are from 38 locations on the north...
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Search relevance: 83.39 | Views last month: 0
#3 Federal
Sea urchin test diameters obtained by SCUBA collections at shallow nearshore sites along the North Pacific Rim from Bering Island to Southeast Alaska during 1987-2021
- Organization: Department of the Interior
- Updated: 2023-12-14T00:00:00Z
The data consist of test diameters of sea urchins collected from quadrats from over 600 nearshore rocky bottom sites that were sampled by scuba between 1987 and 2021. The sites are from 38...
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Search relevance: 82.65 | Views last month: 0
#4 Federal
Kelp and sea urchin data obtained by SCUBA at shallow nearshore sites along the North Pacific Rim from Bering Island to Southeast Alaska obtained over multiple decades beginning in 1987
- Organization: Department of the Interior
- Updated: 2023-12-14T00:00:00Z
Between 1987 and 2021, over 600 nearshore rocky bottom sites were sampled by scuba at 38 locations on the north Pacific Rim ranging from Bering Island, along the Aleutian Island chain and the...
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Search relevance: 75.62 | Views last month: 0
#5 Federal
NCCOS Assessment: Effects of amoxicillin exposure on the early life stages of sea urchins, oysters, and corals in 2021 to 2022 (NCEI Accession 0303131)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-04-04T00:00:00.000+00:00
In FY2022 (June 2021- September 2022), we conducted six experiments to determine the effect of amoxicillin exposure on marine invertebrates: one on the development of sea urchin (Lytechinus...
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Search relevance: 66.80 | Views last month: 0
#6 Federal
Testing Treatments Against Parasitic Scuticociliate (Philaster apodigitiformis) that Causes Mass Mortality Among Sea Urchins (Diadema antillarum) - Results
- Organization: Department of the Interior
- Updated: 2024-03-27T00:00:00Z
The information contained in this data release are the results observed and collected during an experiment that tested the efficacy of nine compounds (2’4’ dihydroxychalcone, bithionol sulfoxide,...
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Search relevance: 66.10 | Views last month: 1
#7 State
Abalone and Urchin Recruitment Modules - Van Damme State Park, Mendocino County - 2001-2025
- Organization: State of California
- Updated: 2025-12-19T21:46:11.141013
An important facet of the Kelp Forest Monitoring project is sampling recruitment of juvenile abalone and sea urchins. Specially designed recruitment modules (RMs) made of stainless steel and...
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Search relevance: 47.64 | Views last month: 0
#8 Federal
Mass mortality of collector urchins (Tripneustes gratilla) in Hawai`i
- Organization: Department of the Interior
- Updated: 2023-01-27T00:00:00Z
As grazers, sea urchins are keystone species in tropical marine ecosystems, and their loss can have important ecological ramifications. Die-offs of urchins are frequently described but their...
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Search relevance: 44.87 | Views last month: 0
#9 Federal
Kelp and invertebrate counts on permanent benthic transects 1980-2018 at San Nicolas Island, California
- Organization: Department of the Interior
- Updated: 2022-02-18T00:00:00Z
The data represent counts of individuals of a suite of kelp and macroinvertebrate species on fixed 10-meter by 2-meter benthic transects on permanent subtidal monitoring sites around San Nicolas...
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Search relevance: 43.75 | Views last month: 0
#10 Federal
Upwelling and the persistence of coral-reef frameworks in the eastern tropical Pacific, carbonate data, chlorophyll data, and others from 2015-08-21 to 2019-04-05 (NCEI Accession 0239049)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2021-07-15T00:00:00.000+00:00
The data described here comes from a study comparing reef habitat alteration along an upwelling gradient in the eastern Tropical Pacific from 2015-08-21 to 2019-04-05. Standardized blocks of...
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Search relevance: 39.65 | Views last month: 0
#11 Federal
Dissolved inorganic carbon, total alkalinity, pH, and other variables collected from profile and discrete sample observations using CTD, Niskin bottle, and other instruments from NOAA Ship Pisces off the northeastern coast of the United States from 2012-10-26 to 2012-11-14 (NCEI Accession 0137874)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2022-06-08T00:00:00.000+00:00
This dataset contains discrete bottle (CTD profile) data that were collected off the Northeastern coast of the United States in 2012. Increasing amounts of atmospheric carbon dioxide from human...
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Search relevance: 38.96 | Views last month: 0
#12 Federal
Dissolved inorganic carbon, total alkalinity, pH, and other variables collected from profile and discrete sample observations using CTD, Niskin bottle, and other instruments from NOAA Ship Gordon Gunter off the northeastern coast of the United States from 2014-03-01 to 2014-03-08 (NCEI Accession 0137724)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2022-05-25T00:00:00.000+00:00
This dataset contains discrete bottle (CTD profile) data that was collected in the northeastern coast of the United States in 2014. Increasing amounts of atmospheric carbon dioxide from human...
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Search relevance: 38.87 | Views last month: 0
#13 Federal
Dissolved inorganic carbon, total alkalinity, pH, and other variables collected from profile and discrete sample observations using CTD, Niskin bottle, and other instruments from NOAA Ship Gordon Gunter off the northeastern coast of the United States from 2013-06-09 to 2013-06-23 (NCEI Accession 0137723)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2022-05-25T00:00:00.000+00:00
This dataset contains discrete bottle (CTD profile) data that was collected in the northeastern coast of the United States in 2013. Increasing amounts of atmospheric carbon dioxide from human...
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Search relevance: 38.87 | Views last month: 0
#14 Federal
Dissolved inorganic carbon, total alkalinity, pH, and other variables collected from profile and discrete sample observations using CTD, Niskin bottle, and other instruments from NOAA Ship Henry B. Bigelow off the Northeastern coast of the United States from 2012-06-02 to 2012-06-13 (NCEI Accession 0138982)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2022-06-04T00:00:00.000+00:00
This dataset contains discrete bottle (CTD profile) data that were collected off the Northeastern coast of the United States in 2012. Increasing amounts of atmospheric carbon dioxide from human...
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Search relevance: 38.70 | Views last month: 0
#15 Federal
Data on blood cells of the collector urchin, Tripneustes gratilla
- Organization: Department of the Interior
- Updated: 2020-11-16T00:00:00Z
Echinoderms such as urchins are important in marine ecosystems, particularly as grazers, and unhealthy urchins can have important ecological implications. For instance, unexplained mortalities of...
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Search relevance: 38.57 | Views last month: 0
#16 Federal
Dissolved inorganic carbon, total alkalinity, pH, and other variables collected from surface discrete observations using spectrophotometer and other instruments from NOAA Ship Henry B. Bigelow off the Northeastern coast of the United States from 2014-09-08 to 2014-11-05 (NCEI Accession 0138983)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2022-06-04T00:00:00.000+00:00
This dataset contains surface measurements of dissolved inorganic, total alkalinity, pH measurements off the Northeastern coast of the United States. Increasing amounts of atmospheric carbon...
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Search relevance: 38.41 | Views last month: 0
#17 Federal
Dissolved inorganic carbon, total alkalinity, pH, and other variables collected from profile and discrete sample observations using CTD, Niskin bottle, and other instruments from NOAA Ship Pisces off the northeastern coast of the United States from 2014-11-03 to 2014-11-21 (NCEI Accession 0137873)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2022-06-10T00:00:00.000+00:00
This dataset contains discrete bottle (CTD profile) data that was collected in the northeastern coast of the United States in 2014. Increasing amounts of atmospheric carbon dioxide from human...
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Search relevance: 38.41 | Views last month: 0
#18 Federal
Dissolved inorganic carbon, total alkalinity, pH, and other variables collected from profile and discrete sample observations using CTD, Niskin bottle, and other instruments from NOAA Ship Gordon Gunter off the northeastern coast of the United States from 2013-11-13 to 2013-11-25 (NCEI Accession 0137722)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2022-05-25T00:00:00.000+00:00
This dataset contains discrete bottle (CTD profile) data that was collected in the northeastern coast of the United States in 2013. Increasing amounts of atmospheric carbon dioxide from human...
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Search relevance: 38.32 | Views last month: 0
#19 Federal
Benthic kelp and invertebrate counts, California sheephead abundance, substrate rugosity data, and benthic temperatures from long-term kelp forest ecosystem monitoring sites at San Nicolas Island, California
- Organization: Department of the Interior
- Updated: 2022-02-18T00:00:00Z
Four data sets are included here to aid in assessing the influence of substrate complexity on kelp forest ecosystem stability. One data set consists of counts of a suite of kelps and benthic...
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Search relevance: 38.14 | Views last month: 1
#20 Federal
Dissolved inorganic carbon, alkalinity, pH, and other variables collected from profile and discrete sample observations using CTD, Niskin bottle, and other instruments from NOAA Ship Delaware II off the Northeast coast of the United States from 2012-02-02 to 2012-02-19 (NCEI Accession 0131423)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2022-06-08T00:00:00.000+00:00
This dataset contains carbon and nutrient related data that were collected from CTD profile measurements in the Northeast coast of the United States (EXPOCODE: 316G20120202, CRUISE ID: DE1202)....
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Search relevance: 37.71 | Views last month: 0

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