The Ocean Archive System searches our original datasets as they were submitted to us, not individual points or profiles. If you want to search and retrieve ocean profiles in a common format, or objectively analyzed fields, your better option may be to use one of our project applications. See: Access Data
OAS accession Detail for 9900120, meta_version: 10. Current meta_version is: 11
| << previous | |revision: 10| | next >> |
| accessions_id: | 9900120 | archive |
|---|---|
| Title: | Physical and Biological Properties at 10 M Depth Offshore of the Ala Wai Canal, Oahu, Hawaii, from 1993-1994 (NODC Accession 9900120) |
| Abstract: | This study examined temporal and spatial variability in shallow, soft bottom macrofauna communities in Mamala Bay, Oahu, Hawaii. Both short term (weekly) and long term (monthly) temporal changes were examined. Specifically, there were three objectives of this study. The first objective was to determine if temporal variability (lunar periodicity and seasonality) exists in community structure and biomass of Hawaiian soft bottom benthos. The second objective was to examine the temporal nature of the benthic response to freshwater runoff events. The third objective was to examine the spatial nature of the benthic infauna response to freshwater runoff. Temporal variability, both on short-term (within a month), and long-term (between months) time scales, was found to exist in the shallow water (10m) macrofauna communities of Oahu's south shore. The timing and magnitude of the variation was dependent upon the particular station examined. There was evidence for the existence of seasonality and lunar periodicity in certain taxa. Examination of the results of the rain event sampling combined with the results of spatial comparisons of stations along a transect leading away from Ala Wai Canal suggests that runoff from the Ala Wai is not important with respect to density of Total Macrofauna and Total Macrofauna biomass. K-dominance curves, combined with the results of Abundance Biomass Curves do not show a pattern indicating that stations located near the mouth of the Ala Wai Canal are negatively impacted by proximity to runoff. However, the results of the abundance biomass curves were not conclusive and further work needs to be done to determine if this technique would be useful in Hawaiian benthic communities to detect human-induced and natural perturbations. |
| Date received: | 19990729 |
| Start date: | 19930601 |
| End date: | 19940531 |
| Seanames: | North Pacific Ocean |
| West boundary: | -157.84667 |
| East boundary: | -157.83117 |
| North boundary: | 21.2795 |
| South boundary: | 21.26767 |
| Observation types: | benthic, biological, physical, sediment analysis, survey, survey - biological, survey - swimmer/diver |
| Instrument types: | conductivity sensor, corer, sediment sampler - corer, sediment sampler - grab, thermometer, visual analysis |
| Datatypes: | BEACH TAR - WATERLINE TO SAMPLE DISTANCE, BENTHIC COMMUNITIES, BENTHIC SPECIES - TAXA COUNTS, biological data, BIOMASS, CORE - BOTTOM, HABITAT - BENTHIC, HABITAT - SEDIMENT SIZE, MACROFAUNA, SALINITY, SEDIMENT - GRAIN SIZE, WATER TEMPERATURE |
| Submitter: | Kay, Dr. E. Alison |
| Submitting institution: | University of Hawai'i at Mānoa |
| Collecting institutions: | University of Hawai'i at Mānoa |
| Contributing projects: | Mamala Bay Study |
| Platforms: | SWIMMER/DIVER (33DV) |
| Number of observations: | |
| Supplementary information: | Note: Metadata for this accession were extracted from a legacy database maintained by the U.S. National Oceanographic Data Center (NODC). The design of the database did not exactly reflect the FGDC Content Standard for Digital Geospatial Metadata (CSDGM). Principal Investigator (PI) and organization contact information accurately represents all available information from the legacy database at the time that this description was created. However, proper attribution of a PI to a specific institution or the role (submitting or collecting) taken by an institution may not be correct due to inexact mapping between fields in the legacy database and the CSDGM. Due to this uncertainty, the contact information was initially recorded in the Supplemental Information element of the CSDGM description. To develop more accurate metadata, the NODC reviews metadata for all accessions on an ongoing basis. Points of contact for this data set include: Contact info: Agency: UNIVERSITY OF HAWAII PI: Kay, Dr. E Address: address: 2525 CORREA ROAD, HIG331 city: HONOLULU state: HI postal: 96822 country: UNITED STATES |
| Availability date: | 19990729 |
| Metadata version: | 10 |
| Keydate: | 2002-11-19 19:40:22+00 |
| Editdate: | 2012-02-13 21:40:07+00 |