Whangarei Marina: Baseline survey for non-indigenous marine species. Inglis, G. J., Gust, N., Fitridge, I., Floerl, O., Hayden, B. J., & Fenwick, G. D. Technical Report March, 2006. ![Whangarei Marina: Baseline survey for non-indigenous marine species [pdf]](https://bibbase.org/img/filetypes/pdf.svg "pdf")
Paper abstract bibtex Executive Summary This report describes the results of a November 2002 survey to provide a baseline inventory of native, non- indigenous and cryptogenic marine species within the Whangarei Town Basin Marina. • The survey is part of a nationwide investigation of native and non-native marine biodiversity in 13 international shipping ports and three marinas of first entry for yachts entering New Zealand from overseas. • Sampling methods used in these surveys were based on protocols developed by the Australian Centre for Research on Introduced Marine Pests (CRIMP) for baseline surveys of non-indigenous species in ports. Modifications were made to the CRIMP protocols for use in New Zealand port conditions. • A wide range of sampling techniques was used to collect marine organisms from habitats within the Whangarei Town Basin Marina. Fouling assemblages were scraped from hard substrata by divers, benthic assemblages were sampled using a sled and benthic grabs, anda gravity corer was used to sample for dinoflagellate cysts. Mobile predators and scavengers were sampled using baited fish, crab, starfish and shrimp traps. • The distribution of sampling effort in the Whangarei Marina was designed to maximise the chances of detecting non-indigenous species and concentrated on high-risk locations and habitats where non-indigenous species were most likely to be found. • Organisms collected during the survey were sent to local and international taxonomic experts for identification. • A total of 56 species or higher taxa was identified from the Whangarei Town Basin Marina survey. They consisted of 35 native species, nine non-indigenous species, four cryptogenic species (those whose geographic origins are uncertain) and eight species indeterminata (taxa for which there is insufficient taxonomic or systematic information available to allow identification to species level). • One species - a non-indigenous species of amphipod, Melita matilda - collected from the Whangarei Marina had not previously been described from New Zealand waters. • The nine non-indigenous organisms described from the Whangarei Marina included representatives of four phyla. The non-indigenous species detected (ordered alphabetically by phylum, class, order, family, genus and species) were: (Annelida) Ficopomatus enigmatus and Polydora cornuta, (Bryozoa) Bugula neritina and Conopeum seurati, (Crustacea) Monocorophium acherusicum, Paracorophium brisbanensis and Melita matilda, (Mollusca) Musculista senhousia and Theora lubrica. • None of the non-indigenous species detected from the Whangarei Town Basin Marina are on the New Zealand register of unwanted organisms. Resting cysts of the cryptogenic toxin-producing dinoflagellates, Gymnodinium catenatum and Alexandrium cf. catenella were recorded in sediment samples taken from the marina. Both species are on the Australian ABWMAC list of unwanted marine pests. • Most non-indigenous species located in the Marina are likely to have been introduced to New Zealand accidentally by international shipping. Approximately 56 % (five of nine species) of NIS in the Whangarei Marina are likely to have been introduced in hull fouling assemblages, 11 % via ballast water and 33 % could have been introduced by either ballast water or hull fouling vectors. • The predominance of hull fouling species in the introduced biota of the Whangarei Marina (as opposed to ballast water introductions) is consistent with findings from similar port baseline studies overseas
@techreport{inglis_whangarei_2006,
title = {Whangarei {Marina}: {Baseline} survey for non-indigenous marine species},
url = {https://niwa.co.nz/static/marine-biosecurity/Inglis%20et%20al%202005_15%20WhangareiMarina.pdf},
abstract = {Executive Summary
This report describes the results of a November 2002 survey to provide a baseline inventory of native, non- indigenous and cryptogenic marine species within the Whangarei Town Basin Marina.
• The survey is part of a nationwide investigation of native and non-native marine biodiversity in 13 international shipping ports and three marinas of first entry for yachts entering New Zealand from overseas.
• Sampling methods used in these surveys were based on protocols developed by the Australian Centre for Research on Introduced Marine Pests (CRIMP) for baseline surveys of non-indigenous species in ports. Modifications were made to the CRIMP protocols for use in New Zealand port conditions.
• A wide range of sampling techniques was used to collect marine organisms from habitats within the Whangarei Town Basin Marina. Fouling assemblages were scraped from hard substrata by divers, benthic assemblages were sampled using a sled and benthic grabs, anda gravity corer was used to sample for dinoflagellate cysts. Mobile predators and scavengers were sampled using baited fish, crab, starfish and shrimp traps.
• The distribution of sampling effort in the Whangarei Marina was designed to maximise the chances of detecting non-indigenous species and concentrated on high-risk locations and habitats where non-indigenous species were most likely to be found.
• Organisms collected during the survey were sent to local and international taxonomic experts for identification.
• A total of 56 species or higher taxa was identified from the Whangarei Town Basin Marina survey. They consisted of 35 native species, nine non-indigenous species, four cryptogenic species (those whose geographic origins are uncertain) and eight species indeterminata (taxa for which there is insufficient taxonomic or systematic information available to allow identification to species level).
• One species - a non-indigenous species of amphipod, Melita matilda - collected from the Whangarei Marina had not previously been described from New Zealand waters.
• The nine non-indigenous organisms described from the Whangarei Marina included representatives of four phyla. The non-indigenous species detected (ordered alphabetically by phylum, class, order, family, genus and species) were: (Annelida) Ficopomatus enigmatus and Polydora cornuta, (Bryozoa) Bugula neritina and Conopeum seurati, (Crustacea) Monocorophium acherusicum, Paracorophium brisbanensis and Melita matilda, (Mollusca) Musculista senhousia and Theora lubrica.
• None of the non-indigenous species detected from the Whangarei Town Basin Marina are on the New Zealand register of unwanted organisms. Resting cysts of the cryptogenic toxin-producing dinoflagellates, Gymnodinium catenatum and Alexandrium cf. catenella were recorded in sediment samples taken from the marina. Both species are on the Australian ABWMAC list of unwanted marine pests.
• Most non-indigenous species located in the Marina are likely to have been introduced to New Zealand accidentally by international shipping. Approximately 56 \% (five of nine species) of NIS in the Whangarei Marina are likely to have been introduced in hull fouling assemblages, 11 \% via ballast water and 33 \% could have been introduced by either ballast water or hull fouling vectors.
• The predominance of hull fouling species in the introduced biota of the Whangarei Marina (as opposed to ballast water introductions) is consistent with findings from similar port baseline studies overseas},
author = {Inglis, G. J. and Gust, N. and Fitridge, I. and Floerl, O. and Hayden, B. J. and Fenwick, G. D.},
month = mar,
year = {2006},
keywords = {Biosecurity, Cryptogenic, Introduced taxa, MAF, Marine species, NIS, New Zealand, Non-indigenous marine species, Port surveys, Whangarei Harbour, Whangarei Marina, biological invasions},
pages = {62 pp.},
}
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D."],"bibdata":{"bibtype":"techreport","type":"techreport","title":"Whangarei Marina: Baseline survey for non-indigenous marine species","url":"https://niwa.co.nz/static/marine-biosecurity/Inglis%20et%20al%202005_15%20WhangareiMarina.pdf","abstract":"Executive Summary This report describes the results of a November 2002 survey to provide a baseline inventory of native, non- indigenous and cryptogenic marine species within the Whangarei Town Basin Marina. • The survey is part of a nationwide investigation of native and non-native marine biodiversity in 13 international shipping ports and three marinas of first entry for yachts entering New Zealand from overseas. • Sampling methods used in these surveys were based on protocols developed by the Australian Centre for Research on Introduced Marine Pests (CRIMP) for baseline surveys of non-indigenous species in ports. Modifications were made to the CRIMP protocols for use in New Zealand port conditions. • A wide range of sampling techniques was used to collect marine organisms from habitats within the Whangarei Town Basin Marina. Fouling assemblages were scraped from hard substrata by divers, benthic assemblages were sampled using a sled and benthic grabs, anda gravity corer was used to sample for dinoflagellate cysts. Mobile predators and scavengers were sampled using baited fish, crab, starfish and shrimp traps. • The distribution of sampling effort in the Whangarei Marina was designed to maximise the chances of detecting non-indigenous species and concentrated on high-risk locations and habitats where non-indigenous species were most likely to be found. • Organisms collected during the survey were sent to local and international taxonomic experts for identification. • A total of 56 species or higher taxa was identified from the Whangarei Town Basin Marina survey. They consisted of 35 native species, nine non-indigenous species, four cryptogenic species (those whose geographic origins are uncertain) and eight species indeterminata (taxa for which there is insufficient taxonomic or systematic information available to allow identification to species level). • One species - a non-indigenous species of amphipod, Melita matilda - collected from the Whangarei Marina had not previously been described from New Zealand waters. • The nine non-indigenous organisms described from the Whangarei Marina included representatives of four phyla. The non-indigenous species detected (ordered alphabetically by phylum, class, order, family, genus and species) were: (Annelida) Ficopomatus enigmatus and Polydora cornuta, (Bryozoa) Bugula neritina and Conopeum seurati, (Crustacea) Monocorophium acherusicum, Paracorophium brisbanensis and Melita matilda, (Mollusca) Musculista senhousia and Theora lubrica. • None of the non-indigenous species detected from the Whangarei Town Basin Marina are on the New Zealand register of unwanted organisms. Resting cysts of the cryptogenic toxin-producing dinoflagellates, Gymnodinium catenatum and Alexandrium cf. catenella were recorded in sediment samples taken from the marina. Both species are on the Australian ABWMAC list of unwanted marine pests. • Most non-indigenous species located in the Marina are likely to have been introduced to New Zealand accidentally by international shipping. Approximately 56 % (five of nine species) of NIS in the Whangarei Marina are likely to have been introduced in hull fouling assemblages, 11 % via ballast water and 33 % could have been introduced by either ballast water or hull fouling vectors. • The predominance of hull fouling species in the introduced biota of the Whangarei Marina (as opposed to ballast water introductions) is consistent with findings from similar port baseline studies overseas","author":[{"propositions":[],"lastnames":["Inglis"],"firstnames":["G.","J."],"suffixes":[]},{"propositions":[],"lastnames":["Gust"],"firstnames":["N."],"suffixes":[]},{"propositions":[],"lastnames":["Fitridge"],"firstnames":["I."],"suffixes":[]},{"propositions":[],"lastnames":["Floerl"],"firstnames":["O."],"suffixes":[]},{"propositions":[],"lastnames":["Hayden"],"firstnames":["B.","J."],"suffixes":[]},{"propositions":[],"lastnames":["Fenwick"],"firstnames":["G.","D."],"suffixes":[]}],"month":"March","year":"2006","keywords":"Biosecurity, Cryptogenic, Introduced taxa, MAF, Marine species, NIS, New Zealand, Non-indigenous marine species, Port surveys, Whangarei Harbour, Whangarei Marina, biological invasions","pages":"62 pp.","bibtex":"@techreport{inglis_whangarei_2006,\n\ttitle = {Whangarei {Marina}: {Baseline} survey for non-indigenous marine species},\n\turl = {https://niwa.co.nz/static/marine-biosecurity/Inglis%20et%20al%202005_15%20WhangareiMarina.pdf},\n\tabstract = {Executive Summary\nThis report describes the results of a November 2002 survey to provide a baseline inventory of native, non- indigenous and cryptogenic marine species within the Whangarei Town Basin Marina.\n•\tThe survey is part of a nationwide investigation of native and non-native marine biodiversity in 13 international shipping ports and three marinas of first entry for yachts entering New Zealand from overseas.\n•\tSampling methods used in these surveys were based on protocols developed by the Australian Centre for Research on Introduced Marine Pests (CRIMP) for baseline surveys of non-indigenous species in ports. Modifications were made to the CRIMP protocols for use in New Zealand port conditions.\n•\tA wide range of sampling techniques was used to collect marine organisms from habitats within the Whangarei Town Basin Marina. Fouling assemblages were scraped from hard substrata by divers, benthic assemblages were sampled using a sled and benthic grabs, anda gravity corer was used to sample for dinoflagellate cysts. Mobile predators and scavengers were sampled using baited fish, crab, starfish and shrimp traps.\n•\tThe distribution of sampling effort in the Whangarei Marina was designed to maximise the chances of detecting non-indigenous species and concentrated on high-risk locations and habitats where non-indigenous species were most likely to be found.\n•\tOrganisms collected during the survey were sent to local and international taxonomic experts for identification.\n•\tA total of 56 species or higher taxa was identified from the Whangarei Town Basin Marina survey. They consisted of 35 native species, nine non-indigenous species, four cryptogenic species (those whose geographic origins are uncertain) and eight species indeterminata (taxa for which there is insufficient taxonomic or systematic information available to allow identification to species level).\n•\tOne species - a non-indigenous species of amphipod, Melita matilda - collected from the Whangarei Marina had not previously been described from New Zealand waters.\n•\tThe nine non-indigenous organisms described from the Whangarei Marina included representatives of four phyla. The non-indigenous species detected (ordered alphabetically by phylum, class, order, family, genus and species) were: (Annelida) Ficopomatus enigmatus and Polydora cornuta, (Bryozoa) Bugula neritina and Conopeum seurati, (Crustacea) Monocorophium acherusicum, Paracorophium brisbanensis and Melita matilda, (Mollusca) Musculista senhousia and Theora lubrica.\n•\tNone of the non-indigenous species detected from the Whangarei Town Basin Marina are on the New Zealand register of unwanted organisms. Resting cysts of the cryptogenic toxin-producing dinoflagellates, Gymnodinium catenatum and Alexandrium cf. catenella were recorded in sediment samples taken from the marina. Both species are on the Australian ABWMAC list of unwanted marine pests.\n•\tMost non-indigenous species located in the Marina are likely to have been introduced to New Zealand accidentally by international shipping. 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