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Journal articles on the topic 'Hauraki Gulf'

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Author: Grafiati

Published: 4 June 2021

Last updated: 9 February 2022

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1

Booth, Webber E., and Morten S⊘ndergaard. "Picophytoplankton in the Hauraki Gulf, New Zealand." New Zealand Journal of Marine and Freshwater Research 23, no. 1 (March 1989): 69–78. http://dx.doi.org/10.1080/00288330.1989.9516342.

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2

Greig, Malcolm J. "Circulation in the Hauraki Gulf, New Zealand." New Zealand Journal of Marine and Freshwater Research 24, no. 1 (March 1990): 141–50. http://dx.doi.org/10.1080/00288330.1990.9516409.

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3

Manighetti, B., and L. Carter. "Across-shelf sediment dispersal, Hauraki Gulf, New Zealand." Marine Geology 160, no. 3-4 (September 1999): 271–300. http://dx.doi.org/10.1016/s0025-3227(99)00024-9.

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4

Kendrick, Terese H., and Malcolm P. Francis. "Fish assemblages in the Hauraki Gulf, New Zealand." New Zealand Journal of Marine and Freshwater Research 36, no. 4 (December 2002): 699–717. http://dx.doi.org/10.1080/00288330.2002.9517124.

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5

Greig, Malcolm J., and Roger Proctor. "A numerical model of the Hauraki Gulf, New Zealand." New Zealand Journal of Marine and Freshwater Research 22, no. 3 (September 1988): 379–90. http://dx.doi.org/10.1080/00288330.1988.9516309.

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6

Boxberg, Florian, Brice Blossier, Willem P. de Lange, Bethany Fox, and Dierk Hebbeln. "Sediment deposition in the central Hauraki Gulf, New Zealand." Geo-Marine Letters 40, no. 2 (August 10, 2019): 227–41. http://dx.doi.org/10.1007/s00367-019-00583-1.

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7

Bassett, Imogen, Jeff Cook, Finlay Buchanan, and James Russell. "Treasure Islands: biosecurity in the Hauraki Gulf Marine Park." New Zealand Journal of Ecology 40, no. 2 (2016): 250–66. http://dx.doi.org/10.20417/nzjecol.40.28.

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8

Zeldis, John R., John Oldman, Sira L. Ballara, and Laura A. Richards. "Physical fluxes, pelagic ecosystem structure, and larval fish survival in Hauraki Gulf, New Zealand." Canadian Journal of Fisheries and Aquatic Sciences 62, no. 3 (March 1, 2005): 593–610. http://dx.doi.org/10.1139/f04-209.

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The ecosystem supporting snapper (Pagrus auratus) larvae was studied during three springsummer (NovemberJanuary 19851988) spawning seasons in Hauraki Gulf, New Zealand. Upwelling-favourable winds caused more incursion of shelf water into the Gulf in 19851986 and 19861987 than in 19871988, but in the first two seasons, the winds were relatively weak. Stronger winds in 19871988 drove greater vertical diffusivity and correlated with greater mixed-layer primary biomass and productivity. Effects of vertical mixing appeared to dominate horizontal incursion of upwelled shelf water in supporting upper water column productivity. The more productive 19871988 season had greater abundances of nauplii, copepodites, adult copepods, cladocerans, chaetognaths, hydromedusae, decapod larvae, and numerous larval fish taxa (including snapper). There was much higher survival of snapper between the late-stage egg and post-first-feeding larval stages in 19871988, which correlated spatially and temporally with high larval prey densities. Neither higher egg production, fewer predators, nor less horizontal advection accounted for these strong larval snapper cohorts. We hypothesize that larval competence improved within the superior larval feeding environment, reducing predatory losses. The ecosystem response to wind mixing may partially explain the correlation of sea temperatures with recruitment, previously observed for the Hauraki Gulf snapper stock.

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9

Francis, MP, and RICC Francis. "Growth rate estimates for New Zealand Rig (Mustelus lenticulatus)." Marine and Freshwater Research 43, no. 5 (1992): 1157. http://dx.doi.org/10.1071/mf9921157.

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Growth rate estimates were obtained for New Zealand rig (Mustelus lenticulatus) by analysing length frequency and tag-recapture data. Rig (0+) sampled by set-net in Porirua and Pauatahanui Inlets grew from about 25-30 cm total length at birth to 46-49 cm at age of about 6 months. Samples of juvenile and adult rig trawled in Pegasus Bay and Hauraki Gulf suffered from under-representation of large adults, probably because of escapement. Growth curves derived from length-frequency analysis indicated that Pegasus Bay males matured at 5.0 years and had a minimum longevity of 12 years. Hauraki Gulf males and females matured at 3.7 and 4.7 years, respectively. Growth rates and ages at maturity fell within the ranges reported for other Mustelus species. Tagging data for South Island rig suggested that females grew faster than males. However, growth rate estimates from length-frequency analysis were 2.7-3.3 times greater than estimates from tagging data, probably because the latter were biased by the combined effects of tagging on growth and set-net mesh selectivity.

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10

Wong, KL Clara, and Steve O'Shea. "Sediment macrobenthos off eastern Waiheke Island, Hauraki Gulf, New Zealand." New Zealand Journal of Marine and Freshwater Research 44, no. 3 (September 2010): 149–65. http://dx.doi.org/10.1080/00288330.2010.498088.

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11

Parsons, D. M., M. A. Morrison, B. M. Gillanders, K. D. Clements, S. J. Bury, R. Bian, and K. T. Spong. "Variation in morphology and life-history strategy of an exploited sparid fish." Marine and Freshwater Research 67, no. 10 (2016): 1434. http://dx.doi.org/10.1071/mf15056.

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Defining appropriate management units to balance productivity and yield of exploited species is fundamental to effective resource management. Anecdotal and tag–recapture information related to morphology, movement behaviour and life-history strategy suggest that separate groups of snapper (Chrysophrys auratus) exist in the Hauraki Gulf, New Zealand. To address the existence of discrete groups, we examined morphology, meristics and otolith chemistry from snapper collected throughout the Hauraki Gulf. We also used tag–recapture information, stable isotope analysis and interpreted functional aspects of morphology and meristics data to understand potential life-history strategy differences. Snapper from rocky reef habitats did not display morphology and meristic features distinct from snapper from soft sediment habitats and differences in otolith chemistry and stable isotope ratios could respectively be explained by a locational influence and predominance of kelp in rocky reef food webs. Conversely, snapper collected from a known spawning area had distinct morphological and meristic features consistent with semi–pelagic sparids and stable isotope analysis also indicated a potentially more pelagic and higher trophic-level diet. Maintenance of population complexity such as this is generally beneficial to fish populations, and can be achieved by revisiting the spatial units used for fishery management.

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12

Young, Megan, and Nigel J. Adams. "Plastic debris and seabird presence in the Hauraki Gulf, New Zealand." New Zealand Journal of Marine and Freshwater Research 44, no. 3 (September 2010): 167–75. http://dx.doi.org/10.1080/00288330.2010.498089.

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13

Wright, A. E., and E. K. Cameron. "Botanical features of northeastern Great Barrier Island, Hauraki Gulf, New Zealand." Journal of the Royal Society of New Zealand 15, no. 3 (September 1985): 251–78. http://dx.doi.org/10.1080/03036758.1985.10416830.

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14

RUSSELL, BARRY C. "Coris sandageri, an unjustified emendation of Coris sandeyeri (Hector 1884) (Pisces, Labridae)." Zootaxa 3061, no. 1 (October 18, 2011): 67. http://dx.doi.org/10.11646/zootaxa.3061.1.4.

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Confusion has surrounded the correct spelling of the species name of the labrid fish Cymolutes (=Coris) sandeyeri Hector 1884. In his original description, Hector (1884a) stated the specimen from Tiritiri Island was “collected by Mr. S. Sandeyer”, a misspelling of the surname of F.S. (Andreas Fremming Stewart) Sandager, who was then Assistant Lighthouse Keeper at Tiritiri Matangi Island, Hauraki Gulf, New Zealand, from June 1881 to May 1883 (Phillips 2011), and after whom the species was named.

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15

Webb, Wesley H., and Mary A. Sewell. "Year-round maturity of the chaetognath Aidanosagitta regularis in the Hauraki Gulf, New Zealand." Marine and Freshwater Research 66, no. 9 (2015): 852. http://dx.doi.org/10.1071/mf14279.

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The reproductive biology of planktonic chaetognaths is poorly known, particularly with regard to the importance of seasonal factors such as daylength, temperature and lunar phase. We undertook semilunar plankton sampling (March 2013–March 2014) in the Hauraki Gulf, New Zealand, to survey sexual maturity of the abundant chaetognath Aidanosagitta regularis (the only chaetognath species present in sufficient numbers for reproductive study). Contrary to our expectations, breeding of A. regularis appeared unconstrained by seasonal factors, as reproductively mature individuals were available year-round. This finding has implications for embryological study of the chaetognaths.

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16

Dwyer, SL, DM Clement, MDM Pawley, and KA Stockin. "Distribution and relative density of cetaceans in the Hauraki Gulf, New Zealand." New Zealand Journal of Marine and Freshwater Research 50, no. 3 (July 2, 2016): 457–80. http://dx.doi.org/10.1080/00288330.2016.1160942.

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17

Lindsay, Jan M., Tim J. Worthington, Ian E. M. Smith, and Philippa M. Black. "Geology, petrology, and petrogenesis of Little Barrier Island, Hauraki Gulf, New Zealand." New Zealand Journal of Geology and Geophysics 42, no. 2 (June 1999): 155–68. http://dx.doi.org/10.1080/00288306.1999.9514837.

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18

Smith, Abigail M., and Campbell S. Nelson. "Calcification rates of rapidly colonising bryozoans in Hauraki Gulf, northern New Zealand." New Zealand Journal of Marine and Freshwater Research 28, no. 2 (June 1994): 227–34. http://dx.doi.org/10.1080/00288330.1994.9516610.

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19

Stockin, Karen A., Vicky Binedell, Nicky Wiseman, Dianne H. Brunton, and Mark B. Orams. "Behavior of free-ranging common dolphins (Delphinussp.) in the Hauraki Gulf, New Zealand." Marine Mammal Science 25, no. 2 (April 2009): 283–301. http://dx.doi.org/10.1111/j.1748-7692.2008.00262.x.

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20

Wiseman, Nicky, Stuart Parsons, Karen A. Stockin, and C. Scott Baker. "Seasonal occurrence and distribution of Bryde's whales in the Hauraki Gulf, New Zealand." Marine Mammal Science 27, no. 4 (March 1, 2011): E253—E267. http://dx.doi.org/10.1111/j.1748-7692.2010.00454.x.

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21

Petrella, Vincenzo, Emmanuelle Martinez, Michael G. Anderson, and Karen A. Stockin. "Whistle characteristics of common dolphins (Delphinus sp.) in the Hauraki Gulf, New Zealand." Marine Mammal Science 28, no. 3 (July 15, 2011): 479–96. http://dx.doi.org/10.1111/j.1748-7692.2011.00499.x.

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22

Jackson, Susan E., and Carolyn J. Lundquist. "Limitations of biophysical habitats as biodiversity surrogates in the Hauraki Gulf Marine Park." Pacific Conservation Biology 22, no. 2 (2016): 159. http://dx.doi.org/10.1071/pc15050.

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The Hauraki Gulf Marine Park (HGMP) is recognised for its diverse natural environment and associated biodiversity, as well as the extensive social, cultural and economic values derived therein. Here, we evaluate the current level of biodiversity protection provided by existing Marine Protected Areas (MPAs) within the HGMP. We use abiotic datasets to develop a habitat classification system to identify the suite of biophysical habitats found in the Marine Park, and their relative protection within existing MPAs (both no-take marine reserves and Cable Protection Zones). Our analysis demonstrated that half of the biophysical habitats identified in the HGMP are not currently afforded protection within MPAs, and that biophysical classifications poorly differentiate across subtidal, soft-sediment habitats using available data layers. We then evaluated representation of these environmental surrogates within a biodiversity prioritisation analysis based on distribution models for demersal fish species. Biophysical habitat surrogates showed poor representation across habitats within highest-priority areas based on prioritisations of demersal fish biodiversity. This suggests the need for further development of biophysical habitat surrogates that are more strongly correlated with biodiversity, if they are to be used to inform biodiversity protection in the HGMP.

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23

Proctor, Roger, and Malcolm J. N. Greig. "A numerical model investigation of the residual circulation in Hauraki Gulf, New Zealand." New Zealand Journal of Marine and Freshwater Research 23, no. 3 (September 1989): 421–42. http://dx.doi.org/10.1080/00288330.1989.9516378.

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24

Jawad, L. A., and N. J. Adams. "Th e Relationship Between Fish Length and Otolith Size and Weight of the Australian Ancnovy, En-graulis australis (Clupeiformes, Engraulidae), Retrieved from the Food of the Australasian Gannet, Morus serrator (Suliformes, Sulidae), Hauraki Gulf, New Zealand." Zoodiversity 55, no. 4 (2021): 331–38. http://dx.doi.org/10.15407/zoo2021.04.331.

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Relationships between fish length and otolith length, width and mass were examined in the Australian anchovy Engraulis australis (White, 1790) recovered from the food of Gannet examined from colonies at islands of Horuhoru Rock and Mahuki Islands in the Hauraki Gulf, New Zealand. The relationships between otolith length- fish total length (TL), otolith-weight-TL, and otolith-width-TL were investigated by means of non-linear regression models (TL = 0.54 OL 16.86, TL = 4.39 OW 7.61 and TL = 26.19 OWe 2.2). This study characterizes the first reference available on the relationship of fish size and otolith size and weight for E. australis obtained from bird’s food in the Pacific Ocean region

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25

Aguirre, J. David, Barbara Bollard-Breen, Marcus Cameron, Rochelle Constantine, Clinton A. J. Duffy, Brendon Dunphy, Kyna Hart, et al. "Loved to pieces: Toward the sustainable management of the Waitematā Harbour and Hauraki Gulf." Regional Studies in Marine Science 8 (November 2016): 220–33. http://dx.doi.org/10.1016/j.rsma.2016.02.009.

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26

Black, K. P., R. G. Bell, J. W. Oldman, G. S. Carter, and T. M. Hume. "Features of 3‐dimensional barotropic and baroclinic circulation in the Hauraki Gulf, New Zealand." New Zealand Journal of Marine and Freshwater Research 34, no. 1 (March 2000): 1–28. http://dx.doi.org/10.1080/00288330.2000.9516912.

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27

Zeldis, J. "A daily egg production method estimate of snapper biomass in Hauraki Gulf, New Zealand." ICES Journal of Marine Science 55, no. 3 (June 1998): 522–34. http://dx.doi.org/10.1006/jmsc.1997.0277.

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28

Wong, KLC, and S. O'Shea. "The effects of a mussel farm on benthic macrofaunal communities in Hauraki Gulf, New Zealand." New Zealand Journal of Marine and Freshwater Research 45, no. 2 (June 2011): 187–212. http://dx.doi.org/10.1080/00288330.2010.550628.

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29

Berghan, J., K. D. Algie, K. A. Stockin, N. Wiseman, R. Constantine, G. Tezanos‐Pinto, and F. Mourão. "A preliminary photo‐identification study of bottlenose dolphin(Tursiops truncatus)in Hauraki Gulf, New Zealand." New Zealand Journal of Marine and Freshwater Research 42, no. 4 (December 2008): 465–72. http://dx.doi.org/10.1080/00288330809509974.

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30

Ebdon, Philippa, Leena Riekkola, and Rochelle Constantine. "Testing the efficacy of ship strike mitigation for whales in the Hauraki Gulf, New Zealand." Ocean & Coastal Management 184 (February 2020): 105034. http://dx.doi.org/10.1016/j.ocecoaman.2019.105034.

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31

Baling, M., W. Ji, B. Gartrell, and DH Brunton. "Detection ofSalmonelladuring the translocation of two endemic New Zealand lizard species within the Hauraki Gulf." New Zealand Journal of Zoology 40, no. 3 (September 2013): 249–54. http://dx.doi.org/10.1080/03014223.2012.747970.

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32

Campbell, K. A., J. A. Grant‐Mackie, J. S. Buckeridge, N. Hudson, A. C. Alfaro, J. Hoverd, S. Morgan, N. Horne, and A. Banfield. "Paleoecology of an early Miocene, rapidly submerging rocky shore, Motuketekete Island, Hauraki Gulf, New Zealand." New Zealand Journal of Geology and Geophysics 47, no. 4 (December 2004): 731–48. http://dx.doi.org/10.1080/00288306.2004.9515086.

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33

Constantine, Rochelle, Mark Johnson, Leena Riekkola, Stephanie Jervis, Lily Kozmian-Ledward, Todd Dennis, Leigh G. Torres, and Natacha Aguilar de Soto. "Mitigation of vessel-strike mortality of endangered Bryde’s whales in the Hauraki Gulf, New Zealand." Biological Conservation 186 (June 2015): 149–57. http://dx.doi.org/10.1016/j.biocon.2015.03.008.

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34

Visconti, Valerio, Elizabeth D. L. Trip, Marc H. Griffiths, and Kendall D. Clements. "Reproductive biology of the leatherjacket, Meuschenia scaber (Monacanthidae) (Forster 1801) in the Hauraki Gulf, New Zealand." New Zealand Journal of Marine and Freshwater Research 52, no. 1 (May 31, 2017): 82–99. http://dx.doi.org/10.1080/00288330.2017.1331919.

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35

Irwin, Geoffrey. "The archaeology of Māori settlement and pā on Pōnui Island, Inner Hauraki Gulf, AD 1400–1800." Journal of the Polynesian Society 129, no. 1 (March 2020): 29–58. http://dx.doi.org/10.15286/jps.129.1.29-58.

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36

NORDHEIM, HENNING. "Petrocha notogaea gen. et sp.n., a neotenic interstitial polychaete (Dorvilleidae) from the Hauraki Gulf, New Zealand." Zoologica Scripta 16, no. 1 (January 1987): 33–38. http://dx.doi.org/10.1111/j.1463-6409.1987.tb00049.x.

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37

Suepaul, R. B., M. R. Alley, and M. Jansen van Rensburg. "SALT GLAND ADENITIS ASSOCIATED WITH BACTERIA IN BLUE PENGUINS (EUDYPTULA MINOR) FROM HAURAKI GULF (AUCKLAND, NEW ZEALAND)." Journal of Wildlife Diseases 46, no. 1 (January 2010): 46–54. http://dx.doi.org/10.7589/0090-3558-46.1.46.

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38

Stockin, KA, D. Lusseau, V. Binedell, N. Wiseman, and MB Orams. "Tourism affects the behavioural budget of the common dolphin Delphinus sp. in the Hauraki Gulf, New Zealand." Marine Ecology Progress Series 355 (February 26, 2008): 287–95. http://dx.doi.org/10.3354/meps07386.

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39

Zeldis, John R., Roy A. Walters, Malcolm J. N. Greig, and Katie Image. "Circulation over the northeastern New Zealand continental slope, shelf and adjacent Hauraki Gulf, during spring and summer." Continental Shelf Research 24, no. 4-5 (March 2004): 543–61. http://dx.doi.org/10.1016/j.csr.2003.11.007.

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40

Gilbert, D. J., N. M. Davies, and J. R. McKenzie. "Development of an age - length structured model of the Hauraki Gulf - Bay of Plenty snapper (Pagrus auratus) population." Marine and Freshwater Research 57, no. 5 (2006): 553. http://dx.doi.org/10.1071/mf05225.

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The development of a population model in which population state is defined by a matrix of numbers at age and length is described. Functional forms for processes that fitted Hauraki Gulf–Bay of Plenty (New Zealand) snapper (Pagrus auratus) population data were developed. The model was fitted to: commercial and research samples of proportions at age and length, commercial samples of proportions at age, tag–recapture estimates of numbers at length, a catch per unit effort abundance index, and sea surface temperature data. For each age–length element of the state matrix, the model determines a transition vector that gives a distribution of non-negative growth increments. Mean growth is both length- and age–length-dependent, but also varies between years. Annual mean growth and annual year-class strength were both found to be positively related to sea surface temperature, but during different seasons. It was also found that variations in growth between years resulted in moderate and sustained fluctuations in population biomass. Diagnostic tools that were helpful in fitting the age–length data are described, and potentially fruitful model developments are suggested.

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41

Zeldis, JR, and KJ Willis. "Biogeographic and trophic drivers of mesozooplankton distribution on the northeast continental shelf and in Hauraki Gulf, New Zealand." New Zealand Journal of Marine and Freshwater Research 49, no. 1 (December 20, 2014): 69–86. http://dx.doi.org/10.1080/00288330.2014.955806.

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42

Francis, Malcolm P. "Spatial and seasonal variation in the abundance of juvenile snapper (Pagrus auratus) in the north‐western Hauraki Gulf." New Zealand Journal of Marine and Freshwater Research 29, no. 4 (December 1995): 565–79. http://dx.doi.org/10.1080/00288330.1995.9516688.

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43

Parsons, Darren M., Mark A. Morrison, Jeremy R. McKenzie, Bruce W. Hartill, Richard Bian, and R. I. C. Chris Francis. "A fisheries perspective of behavioural variability: differences in movement behaviour and extraction rate of an exploited sparid, snapper (Pagrus auratus)." Canadian Journal of Fisheries and Aquatic Sciences 68, no. 4 (April 2011): 632–42. http://dx.doi.org/10.1139/f2011-005.

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Intraspecific variation in movement patterns are well established for many species, but poorly appreciated in fisheries management. In this study we dart-tagged snapper ( Pagrus auratus ), an important fishery species, across different areas and habitats in the Hauraki Gulf, New Zealand. Tag returns were used to quantify movement behaviour and extraction rates using a maximum likelihood model that corrected for spatial variability in population size and fishing effort. Residency was high (~90%) in two strata and lower (75%) in the remaining stratum. The stratum with the highest residency also appeared to experience the highest extraction rate (likely due to a lower population size). These results confirm the existence of differences in movement behaviour within the snapper population, suggesting that localized areas may become depleted regardless of the status of the overall stock. This has consequences for the scale of fisheries management and the size of marine reserves implemented in different regions. Understanding why variation in movement behaviour exists (i.e., genetic vs. environmental) is the next step in addressing the influence of animal behaviour on fisheries management.

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44

Peters, Kimberley, and Mike Brown. "Writing with the sea: reflections on in/experienced encounters with ocean space." cultural geographies 24, no. 4 (April 26, 2017): 617–24. http://dx.doi.org/10.1177/1474474017702510.

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How does being with the sea change how we write about the sea? This article is constructed as a reflective/reflexive consideration of being at sea as part of an experimental week-long symposium held on board an 80-foot yacht in the Hauraki Gulf, New Zealand, in early 2016. The event focused on the ways society lives with the sea in the 21st century – how awareness is raised and action is instigated – in light of growing threats to ocean spaces worldwide. While generating conversation on this theme, the location of the symposium was also pivotal in generating embodied knowledge of the topic under investigation. This article follows the afterthoughts of the symposium organiser (an outdoor educator and professional yacht skipper) and an attendee (a geographer of the sea, non-swimmer and first-time sailor). It investigates how academic events that take place in place – in this case at sea – may generate unique knowledge on conference themes, and for academic work more generally, by opening up new experiential worlds.

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45

Stockin, Karen A., Graham J. Pierce, Vicky Binedell, Nicky Wiseman, and Mark B. Orams. "Factors Affecting the Occurrence and Demographics of Common Dolphins (Delphinus sp.) in the Hauraki Gulf, New Zealand." Aquatic Mammals 34, no. 2 (June 1, 2008): 200–211. http://dx.doi.org/10.1578/am.34.2.2008.200.

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46

Dewas, SEA, and S. O'Shea. "The influence ofTucetona laticostata(Bivalvia: Glycymeridae) shells and rhodolith patches on benthic-invertebrate assemblages in Hauraki Gulf, New Zealand." New Zealand Journal of Marine and Freshwater Research 46, no. 1 (March 2012): 47–56. http://dx.doi.org/10.1080/00288330.2011.591810.

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47

Thrasher, Glenn P. "Basement structure and sediment thickness beneath the continental shelf of the Hauraki Gulf and offshore Coromandel region, New Zealand." New Zealand Journal of Geology and Geophysics 29, no. 1 (January 1986): 41–50. http://dx.doi.org/10.1080/00288306.1986.10427521.

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48

van Andel, M., BH Jackson, AC Midwinter, MR Alley, JG Ewen, K. McInnes, R. Jakob Hoff, AD Reynolds, and N. French. "Investigation of mortalities associated withSalmonellaspp. infection in wildlife on Tiritiri Matangi Island in the Hauraki Gulf of New Zealand." New Zealand Veterinary Journal 63, no. 4 (May 15, 2015): 235–39. http://dx.doi.org/10.1080/00480169.2014.990065.

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49

Martinez, E., and K. A. Stockin. "Blunt trauma observed in a common dolphin delphinus sp. Likely caused by a vessel collision in the Hauraki Gulf, New Zealand." Pacific Conservation Biology 19, no. 1 (2013): 19. http://dx.doi.org/10.1071/pc130019.

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While coastal cetaceans can become habituated to watercraft, that may not prevent their injury or mortality as a consequence of vessel strike. Here we report a case of a likely collision between a Common Dolphin Delphinus sp. and a recreational vessel in the Hauraki Gulf, New Zealand. Injuries sustained by the immature male dolphin were fatal. Recovery and subsequent post-mortem of the carcass revealed a transection of the spinal cord, with the vertebral column sustaining fractures between L17 and Cd7 and between Cd3 and Cd8 of the neural and transverse processes, respectively. Cd4 likely received the brunt of the impact given the vertebral body and epiphyses were also fractured. Paralysis of the lower truck and associated extensive internal injuries resulted in a live stranding and subsequent mortality. Injuries sustained were consistent of those of blunt force trauma, a consequence of an impact caused by a collision with a small watercraft, most likely a jet-ski. This incident reinforces the need for continued public education concerning safe water practices around marine mammals, which are protected under the New Zealand Marine Mammals Protection Act 1978 and Marine Mammals Protection Regulations 1992.

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Srinivasan, Mridula, Mariela Dassis, Emily Benn, Karen A. Stockin, Emmanuelle Martinez, and Gabriel E. Machovsky-Capuska. "Using non-systematic surveys to investigate effects of regional climate variability on Australasian gannets in the Hauraki Gulf, New Zealand." Journal of Sea Research 99 (May 2015): 74–82. http://dx.doi.org/10.1016/j.seares.2015.02.004.

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