Biodiversity of freshwater and estuarine communities in lower Pearl Harbor, Oahu, Hawaii with observations on introduced species: summary from fieldwork conducted in 1997 - 1998 (NCEI Accession 0001114)
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The Pearl Harbor Biodiversity Project was funded by the Department of Defense Legacy Program, through the U. S. Navy. The project was performed in two phases. The purpose of the project was to document the history, cause, and extent of non-native species introductions in the freshwater streams and estuarine areas of Pearl Harbor. Phase I of the study was conducted from November 1995 through June 1997. Phase I involved investigations of the marine organisms of Pearl Harbor, with emphasis on detection of nonindigenous marine organisms that may have become established in the harbor over the past century. Fieldwork for the Phase II investigations commenced in November 1997 and ended in October 1998. Phase II studies investigated the estuarine and freshwater areas of the mouths of streams that enter the harbor's three main lochs. Data were taken at 16 stations. This dataset contains observations from Phase II (as an .mdb data base and as .csv and .xsl spreadsheets and .jpg images).
Biodiversity of marine communities in Pearl Harbor, Oahu, Hawaii with observations in 1996 on introduced exotic species (NODC Accession 0000330)
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The marine and estuarine invertebrate and fish communities in Pearl Harbor, Oahu, Hawaii were surveyed between January and October, 1996. Samples were taken and observations were made at fifteen stations throughout the harbor, in a variety of environments ranging from near oceanic conditions at the harbor entrance channel to areas receiving land runoff with high sediment loads and turbidity. All organisms were identified to species or the highest practicable taxonomic level, and results were compared to previous published and unpublished marine biological surveys conducted in the harbor, published taxonomic descriptions of organisms collected from the harbor and Pearl Harbor specimens cataloged in the Bernice P. Bishop Museum collections. All data were entered on a relational database at the Bishop Museum (database is not included in this dataset) which enables tracking the appearance of individual species with time. Based on a number of criteria, nonindigenous and cryptogenic (i. e. origin unsure, but with good evidence of being introduced) species were designated and their introductions noted on a timeline beginning from the first organisms reported in Pearl Harbor in the last century. This study collected or observed a total of 434 species or higher taxa (36 algae, 1 spermatophyte, 338 invertebrate and 59 fish) from the 15 stations sampled, the highest number of taxa that have been collected for any Pearl Harbor study. Ninety six species, or about 22%, are considered to be introduced or cryptogenic. The areas of highest species richness were in the entrance channel and in Rainbow Bay at the northeast head of East Loch where number of taxa were around 150. Lowest species richness occurred in the areas of high sedimentation and turbidity at the head of West Loch where fewer than 50 taxa occurred. Dendrographs based on Sorensen Indices of Similarity of species composition among stations suggest three types of communities in the harbor, one associated with relatively oceanic conditions in channel areas, one with the highly turbid West Loch sedimentary environment and one with conditions prevailing throughout the rest of the harbor. This report also contains historical maps, a chronology of important events, and a bibliography of related work.
Nonindigenous Freshwater and Estuarine Species Introductions and their Potential to Affect Sportfishing in the Lower Stream and Estuarine Regions of the South and West Shores of Oahu, Hawaii: Data from 1998-1999 (NODC Accession 0001116)
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Surveys of native and non-indigenous species along the south and west shores of Oahu (excluding Pearl Harbor) were funded by a grant from the David and Lucile Packard Foundation with matching Dingell-Johnson funding provided by the Hawaii Department of Natural Resources, Division of Aquatic Resources. This project was performed in two sections. The first section of this project involved investigations of marine organisms in harbors of the south and west shores of Oahu, with an emphasis on the detection of nonindigenous marine organisms. This dataset has been separately contributed to the NOAA archive. The current study investigated the estuarine and freshwater areas at the mouths of streams and coastal wetlands along the south and west shore of Oahu to investigate the known or potential impacts of introduced species on sportfish. The study area extended from Kaena Point to Makapuu Point. The first comprehensive biological surveys of south and west shore Oahu coastal wetlands, lower stream reaches, and estuarine areas revealed an ecologically degraded fauna dominated by introduced species in freshwater, but ecosystems that are more intact as waters becomes more marine. During this study the first collection of the introduced jaguar cichlid ( Cichlasoma managuense) from an Oahu stream (Manoa/Palolo) was made, and this species appears to have spread from the nearby quarry pond at the University of Hawaii. In strictly freshwater areas of the south and west shore of Oahu most taxa identifiable to the species level were introductions. The majority of introduced species appear to be the primarily the result of aquarium releases, intentional biocontrol releases, and intentional food source releases. Although some introduced species may have originated from marine water releases or hull fouling organisms these points of origin probably contributed only a small fraction of overall nonindigenous species introductions in south and west shore Oahu streams, wetlands, and estuaries.
Nonindigenous Marine Species in Kaneohe Bay, Oahu, Hawaii in 1999-2000 (NODC Accession 0001053)
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The presence and impact of nonindigenous (introduced) marine organisms in Kaneohe Bay, Oahu, Hawaiian Islands are evaluated using a combination of historical records and on-site surveys and findings are compared with the results of similar studies conducted in Hawaii and the Pacific. Observations and collections were made in November 1999 to January 2000 at 24 stations from variety of habitats and environments throughout the bay and from one site at Moku Manu Island outside the bay. A comprehensive literature review of published papers and books and unpublished reports was conducted to develop a listing of previous species reports, and the marine invertebrates, fish, mollusk and algae collections at Bishop Museum were queried for information regarding all organisms that had been collected from Kaneohe Bay. The assembled data were developed into a relational data base used to determine the 1999-2000 percent component of the total biota that was non indigenous or cryptogenic, the number of new reports for the bay versus the number of previous reports not found, and a chronology of first reports of introductions. The 1999-2000 surveys observed or collected a total of 786 taxa including 617 species, more than six times the number of taxa previously reported by any single survey of biota in the bay. Of these, 59% of the total taxa and 51% of the named species were new reports for Kaneohe Bay after consideration of nomenclatural name changes. However, only 24% of the total taxa previously reported for the bay were found by the present study. This may be due in part to misidentifications in previous studies, non-sampling of meiobiota and plankton by the present study, or actual disappearance of some species from the bay such as the introduced mollusk Haliotis sp. However, the results suggest that further sampling and observation would produce considerably more taxa and species. Historically, 204 nonindigenous or cryptogenic species (collectively termed NIS) have been reported in Kaneohe Bay since 1920, and 116 were found on the 1999-2000 surveys, the most that have been determined for any single study in the Hawaiian Islands or Johnston Atoll. In terms of the component of total identified species, NIS composed 18.8%, among the highest percentage components that has been found in Hawaii and second only to the 23% value that was determined for Pearl Harbor. Fifty-two of the NIS were new reports for the bay. However, all but 16 of the new bay reports had previously been reported in Hawaii, and those 16 are designated cryptogenic and subject to revision. This dataset includes the complete report from this study in PDF format and output from the relational database as spreadsheet files.
Nonindigenous marine species in Kaneohe Bay, Oahu, Hawaii in 1999 - 2000 (NCEI Accession 0001053)
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The presence and impact of nonindigenous (introduced) marine organisms in Kaneohe Bay, Oahu, Hawaiian Islands are evaluated using a combination of historical records and on-site surveys. Findings are compared with the results of similar studies conducted in Hawaii and the Pacific. Observations and collections were made in November 1999 to January 2000 at 24 stations from variety of habitats and environments throughout the bay and from one site at Moku Manu Island outside the bay. A comprehensive literature review of published papers and books and unpublished reports was conducted to develop a listing of previous species reports, and the marine invertebrates, fish, mollusk and algae collections at Bishop Museum were queried for information regarding all organisms that had been collected from Kaneohe Bay. The assembled data were developed into a relational data base used to determine the 1999-2000 percent component of the total biota that was non indigenous or cryptogenic, the number of new reports for the bay versus the number of previous reports not found, and a chronology of first reports of introductions. Data are in .xls and .csv files with a complete included .pdf report.
Nonindigenous Marine Species at Waikiki and Hawaii Kai, Oahu, Hawaii in 2001-2002 (NODC Accession 0001061)
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Surveys of the marine algae, invertebrates and reef fishes of Waikiki and the Kuapa Pond and Maunalua Bay areas of Hawaii Kai were conducted with the objective of the presence and impact of nonindigenous (introduced) marine organisms. Findings were compared with historical records of species reported in these locations and with the results of similar studies conducted in Hawaii and the Pacific. Observations and collections were made at 15 stations at Waikiki in January 2001 and at five stations in Kuapa Pond-Maunalua Bay in February 2002 at 5 stations. A comprehensive literature review of published papers and books and unpublished reports was conducted to develop listings of previous species reports, and the marine invertebrates, fish, mollusk and algae collections at Bishop Museum were queried for information regarding all organisms that had been collected from these areas. The assembled data were developed into a relational data bases used to determine the percent component of the total biota that is nonindigenous or cryptogenic, the number of new reports versus the number of previous reports not found, and a chronology of first reports of introductions. A total of 925 taxa including 749 species were observed or collected in Waikiki, and 384 taxa including 317 species at Kuapa Pond-Maunalua Bay. Of these 52 species designated introduced or cryptogenic (collectively termed NIS) were identified at Waikiki, for an NIS component of 6.9% of the total species identified for the 15 stations. By comparison 58 NIS were observed or collected at Kuapa Pond-Maunalua Bay amounting to an NIS component of total species of 18%. Forty-six of the 52 NIS were new reports for Waikiki, and 56 of the 58 NIS new for Kuapa Pond- Maunalua Bay sites. However, all but three species, hydroids collected from Waikiki designated cryptogenic, were previously reported elsewhere in Hawaii, with first reports mostly in Pearl Harbor, Honolulu Harbor or Kaneohe Bay. The high incidence of first reports for Waikiki and the Hawaii Kai area in this study are clearly effort related, since these were the first comprehensive sampling efforts that have been conducted at these locations. This dataset includes the complete report from this study in PDF format and output from the relational database as spreadsheet files.
Nonindigenous Marine Species Introductions in the Harbors of the South and West Shores of Oahu, Hawaii 1997-1998, (NODC Accession 0000324)
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Only recently has information become available concerning the abundance of nonindigenous species in Hawaiian waters. Maciolek (1984) listed 19 species of diadromous and marine fishes to be present in Hawaiian waters, which was increased to 21 marine species by Randall (1987), about 4% of a total of 536 Hawaiian shore fish species (Randall 1992). Carlton and Eldredge (in prep.) reviewed the marine and brackish water invertebrates of Hawaiói and determined approximately 205 species to be demonstrably or potentially nonindigenous, again about 4% of the approximate 5000 marine species estimated for Hawaiói (Allison et al. 1995). Approximately 18 species of macroalgae have been introduced to Hawaiói since 1950 (Russell 1992, Rogers 1997, 1999), again about 4% of the approximately 430 estimated total macroalgal species for Hawaiói (G. Smith, pers. comm.). Baseline studies of Hawaiian nearshore marine biota directed toward the detection of introduced species and their impact have shown that nonindigenous introductions vary substantially from these average values, depending on the characteristics of the area surveyed. The most comprehensive survey conducted to date, a 1996 survey completed in Pearl Harbor (Coles et al. 1997; 1999), found 95 known or potentially nonindigenous species, which composed 23% of the 419 invertebrates, macroalgae, and fishes found. Only three nonindigenous invertebrates and one nonidigenous fish occurred at Midway Atoll in 1997 out of a total 444 taxa found (DeFelice et al. 1998). No nonindigenous algae or invertebrates were found in the nearshore and intertidal of Kahoóolawe Island in 1998 out of a total of 298 species observed or collected (Coles et al. 1998). Despite the potential importance of Honolulu Harbor or other commercial harbors on Oahu as potential gateways for nonindigenous marine species to enter the Hawaiian marine ecosystem, no studies have previously been conducted of introduced species in Hawaiian commercial harbors, and little information is available for the composition of the marine communities for these harbors. Therefore, surveys were conducted in Honolulu Harbor and Keehi Lagoon in 1997, and in Kewalo Basin, the Ala Wai Yacht Harbor and the Barbers Point Deep Draft Harbor in 1998. The results of this study are reported herein and the presence and impact of nonindigenous marine introductions in these harbors are evaluated
Nonindigenous marine species at Waikiki and Hawaii Kai, Oahu, Hawaii in 2001 - 2002 (NCEI Accession 0001061)
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Surveys of the marine algae, invertebrates and reef fishes of Waikiki and the Kuapa Pond and Maunalua Bay areas of Hawaii Kai were conducted with the objective of the presence and impact of nonindigenous (introduced) marine organisms. Findings were compared with historical records of species reported in these locations and with the results of similar studies conducted in Hawaii and the Pacific. Observations and collections were made at 15 stations at Waikiki in January 2001 and at five stations in Kuapa Pond-Maunalua Bay in February 2002 at 5 stations. A comprehensive literature review of published papers and books and unpublished reports was conducted to develop listings of previous species reports, and the marine invertebrates, fish, mollusk and algae collections at Bishop Museum were queried for information regarding all organisms that had been collected from these areas. The assembled data were developed into a relational data bases used to determine the percent component of the total biota that is nonindigenous or cryptogenic, the number of new reports versus the number of previous reports not found, and a chronology of first reports of introductions. A total of 925 taxa including 749 species were observed or collected in Waikiki, and 384 taxa including 317 species at Kuapa Pond-Maunalua Bay. Of these 52 species designated introduced or cryptogenic (collectively termed NIS) were identified at Waikiki, for an NIS component of 6.9% of the total species identified for the 15 stations. By comparison 58 NIS were observed or collected at Kuapa Pond-Maunalua Bay amounting to an NIS component of total species of 18%. Forty-six of the 52 NIS were new reports for Waikiki, and 56 of the 58 NIS new for Kuapa Pond- Maunalua Bay sites. However, all but three species, hydroids collected from Waikiki designated cryptogenic, were previously reported elsewhere in Hawaii, with first reports mostly in Pearl Harbor, Honolulu Harbor or Kaneohe Bay. The high incidence of first reports for Waikiki and the Hawaii Kai area in this study are clearly effort related, since these were the first comprehensive sampling efforts that have been conducted at these locations. This dataset includes the complete report from this study in PDF format and output from the relational database as .xls and .csv spreadsheet files.