Relevant bibliographies by topics / Codfish Island

Academic literature on the topic 'Codfish Island'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Codfish Island"

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Allibone, Andrew H., and Richard M. Allibone. "The geology of Codfish Island, Stewart Island, New Zealand." New Zealand Journal of Geology and Geophysics 34, no. 1 (March 1991): 83–86. http://dx.doi.org/10.1080/00288306.1991.9514441.

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FISCHER, JOHANNES H., IGOR DEBSKI, GRAEME A. TAYLOR, and HEIKO U. WITTMER. "Nest site selection of South Georgia Diving-petrels Pelecanoides georgicus on Codfish Island, New Zealand: implications for conservation management." Bird Conservation International 28, no. 2 (March 2, 2017): 216–27. http://dx.doi.org/10.1017/s0959270917000041.

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SummarySmall seabird species are often threatened by predation from invasive species at their breeding colonies and considerable efforts are invested into mitigating this threat. However, invasive predators may not be the only onshore threat affecting small seabird species. The South Georgia Diving-petrel Pelecanoides georgicus (SGDP) is a small seabird species, considered ‘Nationally Critical’ in New Zealand. Our objective was to identify terrestrial threats to the species at their sole remaining breeding colony in New Zealand, Codfish Island (Whenua Hou), following the successful eradication of invasive predators. To achieve our objective, we assessed the influence of five physical, three competition/attraction and three plant variables on SGDP nest site selection with generalised linear models (GLMs) and compared models using an information theoretic approach. Models including the distance to sea, slope, aspect, and sand flux outperformed other models and showed selection for steep seaward-facing foredunes with mobile soils. No invasive plant and competition/attraction variables were included in the best performing models. These results suggest that, due to the proximity of their preferred nesting habitat to the springtide line and the overall fragility of the foredunes, SGDPs on Codfish Island are extremely vulnerable to stochastic events and catastrophes, such as storms and storm surges. Eradication efforts directed at invasive predators on Codfish Island appear thus insufficient to safeguard this SGDP colony, necessitating further conservation strategies to secure the continued survival of this population.
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Leech, Tara J., Emma Craig, Brent Beaven, David K. Mitchell, and Philip J. Seddon. "Reintroduction of rifleman Acanthisitta chloris to Ulva Island, New Zealand: evaluation of techniques and population persistence." Oryx 41, no. 3 (July 2007): 369–75. http://dx.doi.org/10.1017/s0030605307000517.

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AbstractRifleman, or titipounamu Acanthisitta chloris, is New Zealand’s smallest endemic passerine. The species has a fragmented distribution and is threatened in the Rakiura region in the south of the South Island. The only known population of South Island rifleman A. c. chloris in the Rakiura region persisted on Codfish Island/Whenua Hou. To create a second population of rifleman in Rakiura, 30 caught from Codfish Island were reintroduced onto nearby Ulva Island in February 2003, the first translocation of rifleman. Survival and dispersal were monitored for 1 month post-release, and subsequently during the first and second breeding seasons. Mortality was greatest during holding and transfer, with low to moderate post-release mortality. All founding pairs bred in the first breeding season, and both founders and offspring bred in the second season. Dispersal across the island was greater for offspring. A simple deterministic matrix model indicated positive annual population growth (λ = 1.33), and low risk of short-term extinction. Holding/transfer techniques should be improved for future reintroductions, and longer-term monitoring should be undertaken for a more accurate assessment of vital rates. Based on the survival of founding birds, reproduction by the release generation and their offspring, and high probability of population persistence, the rifleman reintroduction was considered to be successful and a good model for future reintroductions of small passerine birds.
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Rayner, Matt J., Kevin A. Parker, and Michael J. Imber. "Population census of Cook's Petrel Pterodroma cookii breeding on Codfish Island (New Zealand) and the global conservation status of the species." Bird Conservation International 18, no. 3 (June 11, 2008): 211–18. http://dx.doi.org/10.1017/s095927090800021x.

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SummaryCodfish Island is the southernmost breeding location for Cook's Petrel (Pterodroma cookii), endemic to the New Zealand archipelago. To provide a population estimate and indication of population growth following introduced predator eradications we conducted an island-wide survey of Codfish Island within two a priori defined strata. Plot surveys revealed only five burrows within forest habitats from 175 plots surveyed and the locations of these and other burrows observed incidentally were used to identify three key areas of Cook's Petrel breeding activity that were subsequently surveyed using line transects. Within these areas, 42 burrows were counted with burrow densities ranging from 0.0003 to 0.002 burrows m−2. Burrow densities in conjunction with the three-dimensional surface areas of the surveyed locations suggested a minimum of 6,194 ± 956 burrows present and equated to approximately 5,000 (95% CI 3,000–6,000) breeding pairs, using a burrow occupancy estimate of 80%. The Cook's Petrel population on Codfish Island appears to have increased markedly since Weka (Gallirallis australis ) and Pacific Rat (Rattus exulans) were eradicated in 1980 and 1998 and is consistent with a recent upwards revision of the species' world population size of approximately 1,300,000 (900,000–1,800,000) individuals. Revised population data, and ongoing protection of Cook's Petrel's major breeding sites may now qualify the species for a revised conservation status moving from Endangered to Vulnerable under IUCN criteria.
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Van Heezik, Yolanda. "Diets of yellow-eyed, Fiordland crested, and little blue penguins breeding sympatrically on Codfish Island, New Zealand." New Zealand Journal of Zoology 17, no. 4 (October 1990): 543–48. http://dx.doi.org/10.1080/03014223.1990.10422952.

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Paterson, Adrian M., Lise J. Wallis, and Graham P. Wallis. "Preliminary molecular analysis ofPelecanoides georgicus(Procellariiformes: Pelecanoididae) on Whenua Hou (Codfish Island): Implications for its taxonomic status." New Zealand Journal of Zoology 27, no. 4 (January 2000): 415–23. http://dx.doi.org/10.1080/03014223.2000.9518250.

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Brangenberg, Naya, Catherine McInnes, Joanne H. Connolly, and Lynn E. Rogers. "Absence of Salmonella and Campylobacter Species in Fecal and Cloacal Swab Samples From Kakapo (Strigops habroptilus) on Codfish Island, New Zealand." Journal of Avian Medicine and Surgery 17, no. 4 (December 2003): 203–5. http://dx.doi.org/10.1647/2003-023.

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Sedgeley, Jane A. "Roost site selection by lesser short‐tailed bats(Mystacina tuberculata)in mixed podocarp‐hardwood forest, Whenua Hou/Codfish Island, New Zealand." New Zealand Journal of Zoology 33, no. 2 (January 2006): 97–111. http://dx.doi.org/10.1080/03014223.2006.9518434.

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RAYNER, MATT J., AYLA L. VAN LOENEN, LARA D. SHEPHERD, ILINA CUBRINOVSKA, R. PAUL SCOFIELD, ALAN J. D. TENNYSON, MICHAEL BUNCE, and TAMMY E. STEEVES. "Comprehensive evidence for subspecies designations in Cook’s Petrel Pterodroma cookii with implications for conservation management." Bird Conservation International, October 4, 2020, 1–13. http://dx.doi.org/10.1017/s0959270920000350.

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Summary Cook’s Petrel Pterodroma cookii is an endemic New Zealand seabird that has experienced a large range decline since the arrival of humans and now only breeds on two offshore islands (Te Hauturu-o-Toi/Little Barrier Island and Whenua Hou/Codfish Island) at the extreme ends of its former distribution. Morphological, behavioural, and mitochondrial cytochrome oxidase 1 (CO1) sequence data led a previous study to recognise the two extant populations as distinct conservation management units. Here, we further examine the genetic relationship between the extant populations using two nuclear introns (β-fibint7 and PAX). Using one mitochondrial locus (CO1), we also investigate the past distribution of a single nucleotide polymorphism (SNP) that differentiates the modern populations using bone and museum skins sourced from within its former range across New Zealand’s North and South Islands. We found significant population genetic structure between the two extant Cook’s Petrel populations for one of the two nuclear introns (β-fibint7). The mitochondrial DNA CO1 analysis indicated that the SNP variant found in the Codfish Island population was formerly widely distributed across both the North and South Islands, whereas the Little Barrier Island variant was detected only in North Island samples. We argue that these combined data support the recognition of the extant populations as different subspecies. Previous names for these taxa exist, thus Cook’s Petrel from Little Barrier Island becomes Pterodroma cookii cookii and Cook’s Petrel from Codfish Island becomes P. c. orientalis. Furthermore, we suggest that both genetic and non-genetic data should be taken into consideration when planning future mainland translocations. Namely, any translocations on the South Island should be sourced from Codfish Island and future translocations on the North Island should continue to be sourced from Little Barrier Island only.
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Fischer, Johannes H., and Brooke Tucker. "A tale of two taonga: mutualistic research and management of heritage landscapes on Codfish Island (Whenua Hou), Aotearoa New Zealand." Australasian Journal of Environmental Management, September 23, 2020, 1–12. http://dx.doi.org/10.1080/14486563.2020.1821254.

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Dissertations / Theses on the topic "Codfish Island"

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Whitehead, Joanna K. "Breeding success of adult female kakapo (Strigops habroptilus) on Codfish Island (Whenua Hou) : correlations with foraging home ranges and habitat selection." Lincoln University, 2007. http://hdl.handle.net/10182/640.

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Kakapo (Strigops habroptilus) are a flightless, nocturnal parrot endemic to New Zealand. Thought to be extinct within their natural range, kakapo are currently listed as nationally critical. The current population of 86 individuals is managed by the Department of Conservation’s National Kakapo Team on two offshore islands in southern New Zealand, with all females of breeding age on Codfish Island (Whenua Hou). Kakapo only breed once every two to five years, coinciding with the mast fruiting of specific plant species. On Codfish Island, the proportion of adult female kakapo that breed in rimu (Dacrydium cupressinum) fruiting years is dependent on the quantity of fruit produced, with fewer females attempting to breed during low mast years. The purpose of this research is to investigate why only some adult female kakapo breed in low rimu fruiting years on Codfish Island, specifically assessing if foraging home range size and/or habitat selection influence breeding. A total of 506 location points were collected at night for 18 adult female kakapo between March and May 2006. These were used to estimate foraging home ranges and to assess if kakapo select for particular types of vegetation. Ecological Niche Factor Analysis was used to determine the relative importance of habitat variables in the distribution of female kakapo and to predict areas of suitable breeding habitat when rimu fruit is limited. The breeding success of individuals in 2005, a low rimu mast year, was used to identify if differences in home ranges or habitat selection occurred between breeding and non-breeding females. The large variation in foraging home range sizes recorded in this research was consistent with previous studies. Foraging home range sizes were on average twice the size for breeders than for non-breeders, suggesting that adult female kakapo may be limited in their ability to breed by the size of the area they occupy. Adult female kakapo did not randomly use vegetation on Codfish Island as some vegetation types were not used, while others were common inside foraging home ranges. Adult female kakapo utilise a broad niche and are capable of surviving in a wide range of habitats. However, breeding females were more specialised in their niche requirements than non-breeders, with breeders utilising areas with higher abundances of mature rimu trees. Females occurred in high elevation, flat areas of the island but this may have been because this is where appropriate vegetation types occurred. During low rimu mast years, breeding adult females were predicted to occupy habitat in high elevation, plateau areas with a high abundance of rimu. Areas identified as sub-optimal habitat for breeding included the coastal areas, the lower elevation area of the main valley and some ridgelines. The home ranges of all 10 breeding females contained some optimal habitat, while females who did not breed were more likely to be located in sub-optimal habitat. Although there were significant areas of optimal breeding habitat not occupied by adult female kakapo, other kakapo may have been present in these areas. To increase the proportion of females that breed in low rimu mast years, it may be necessary to remove sub-adult females or surplus adult males living in optimal breeding habitat from the island. Alternatively, females in sub-optimal breeding habitat could be fed supplementary foods or transferred to other islands where there is unoccupied suitable breeding habitat available.
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Cassagne, Bernard. "Naissance et développement d'une industrie originale : les sécheries de morues de l'agglomération bordelaise (1825-1990)." Thesis, Bordeaux 3, 2015. http://www.theses.fr/2015BOR30048.

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La recherche porte sur l’industrie des sécheries de morues de l’agglomération bordelaise (Bordeaux, Talence et Bègles) aux XIXe et XXe siècles. Elle s’intéresse également au trafic morutier du port girondin. Cette industrie nouvelle à Bordeaux, mais aussi dans d’autres ports de France, naît vers 1825-1830. A partir de 1860, les trente sécheries bordelaises détiennent un quasi-monopole du séchage en France. La création de sécheries mécaniques à vapeur dans les ports normands et bretons à partir de 1900 entraîne l’érosion du monopole bordelais. Après la Seconde Guerre mondiale, le négoce et l’industrie du séchage peinent à se moderniser tandis que, paradoxalement, Bordeaux devient un important port d’armement à la grande pêche. Vers 1968, le développement de la congélation entraîne la fermeture rapide des sécheries. Les armements bordelais restent actifs jusqu’à la veille des années 1990. Une partie de l’étude est consacrée à la sociologie des acteurs du négoce de la morue à Bordeaux : armateurs, consignataires, marchands. Une attention particulière est portée aux sécheurs ou laveurs de morues qui, en grande partie, sont originaires du Cantal
This research concerns the industrial development of cod drying plants in Bordeaux urban area (Bordeaux, Talence and Bègles) in the 19th and 20th centuries. It also deals with the cod trade in the port. This new industry in Bordeaux, but also in other french ports, is born around 1825-1830. From 1860, thirty driers of Bordeaux area hold a virtual monopoly of the drying industry in France. The creation of steam mechanical driers in the Norman and Breton ports from 1900 leads to the erosion of Bordeaux monopoly. After the Second World War, the trade and the drying industry have difficulty getting modernized whereas, paradoxically, Bordeaux becomes an important port for cod fishing. By 1968, the development of freezing leads to the fast closing down of the drying plants. Armaments of Bordeaux remain active until 1990s. A part of this study is also dedicated to the sociology of the actors of the cod trade in Bordeaux: ship owners, consigners, merchants. A particular interest is taken in cods-driers who are mostly native of Cantal
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Books on the topic "Codfish Island"

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Fritz, Lowell W. Estimated catches of walleye pollock, Atka mackerel and Pacific cod within critical habitat of the Steller sea lion in the Bering Sea, Aleutian Islands and Gulf of Alaska from 1977-92. Seattle, WA: National Marine Fisheries Service, Alaska Fisheries Science Center, 1993.

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