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Found 1196 dataset(s) matching "VISUAL OBSERVATIONS".
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This is the full set of Southeast Florida Coral Reef Evaluation and Monitoring Project (SECREMP) raw data. This includes in situ surveys of benthic substrate coverage, stony coral abundance and...
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This dataset includes observations of physical, chemical, and biomass properties from three field experiments conducted by the British Antarctic Survey: the First International BIOMASS Experiment...
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This data type contains data on ambient concentrations of toxic substances and other pollutants in the marine environment. The data derive from laboratory analyses of samples of water, sediment or...
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This data type contains data from field sampling or surveys of bottom dwelling marine organisms. The data provide information on species abundance, distribution and biomass; they may have been...
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Coral adult and juvenile coral colony demographic data described in this dataset are derived from the GIS analysis of benthic photomosaic imagery for a methods comparison with in situ diver data....
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NODC maintains data in three NODC Standard Format Marine Mammal Data Sets: Marine Mammal Sighting and Census (F127); Marine Mammal Specimens (F025); Marine Mammal Sighting 2 (F026). These data...
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This data type contains data from field sampling of marine fish and shellfish. The data derive from analyses of midwater or bottom tow catches and provide information on population density and...
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This dataset involves analysis of skeletal growth marks in humerus bones of 333 Kemps ridley sea turtles stranded dead along the Gulf of Mexico US coast (hatchling to adult) and provides age,...
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This data type is used to support physical and biological studies of the intertidal/subtidal regime. There are eight data record types to: 1) identify the station, 2) report on the sediment...
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The coral demographic data described here result from belt transect surveys conducted by the Pacific Islands Fisheries Science Center (PIFSC), Ecosystem Sciences Division (ESD)---formerly the...
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Marine Invertebrate Pathology (F063) contains data from examinations of diseased marine invertebrates. Although these data maybe from field observations, they derive primarily from laboratory...
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This data set presents raw data that supports the article "Submarine groundwater discharge differentially modifies photosynthesis, growth, and morphology for two species of Gracilaria...
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Fish surveys were conducted in November 2007 using visual census techniques at Fagatele Bay under the guidance of Dr. Alison Green, the Nature Conservancy. This data set was collected at Transect...
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This data contains seasonal and spatial variation in fish taxonomic composition and diversity as well as variation in the frequency of occurrence, density and size structure of dominant fish taxa...
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This format is designed to support microbiological studies of bacteria, microbiota, and fungi. There are twelve data record types used to report cruise and station information, position and time,...
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Jurisdictional managers have expressed concerns that nutrients from the village of Vatia, Tutuila, American Samoa, are having an adverse effect on the adjacent coral reef ecosystem. Excess...
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This data type contains data from analyses of seabed oxygen consumption determined from measurements over a specified time interval of initial and final dissolved oxygen concentration. Cruise...
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Coral adult and juvenile coral colony demographic data described in this dataset are derived from the GIS analysis of benthic photomosaic imagery collected across the Mariana Archipelago in 2022...
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This collection includes various coral reef data that was extracted by analyses of Structure-from-Motion (SfM) imagery of coral reef ecosystems across the Pacific Islands Regions by the Ecosystem...
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The towed-diver method is used to conduct benthic surveys, assessing large-scale disturbances (e.g., bleaching) and quantifying benthic components such as habitat complexity/type and the general...
