40 Works

Te Tai-o-Rēhua – Silent Tsunami: voyage report R/V Tangaroa TAN2205, 17 March – 7 April 2022, Wellington–Wellington

Jess I. T. Hillman, S. J. Watson, Suzanne Bull, Malcolm J. Arnot, A. Pallentin, W. Quinn, E. Spain, Suzi Woelz, S. Coursey, G. Warren, F. Warnke & D. Krylova
This report documents the voyage objectives, outcomes and preliminary results of the GNS-Science-led R/V Tangaroa voyage TAN2205, which took place from 15 March to 7 April 2022 in the eastern Tasman Sea (Deepwater Taranaki Basin). The over-arching aim of the voyage was to acquire new information to help progress our understanding of the link between submarine landslides and tsunami in the Tasman Sea. The voyage is part of the 2021 Ministry of Business, Innovation &...

TCCON data from Lauder (NZ), 120HR, Release GGG2020.R0

V. Sherlock, B. Connor, J. Robinson, H. Shiona, D. Smale & D. F. Pollard
The Total Carbon Column Observing Network (TCCON) is a network of ground-based Fourier Transform Spectrometers that record direct solar absorption spectra of the atmosphere in the near-infrared. From these spectra, accurate and precise column-averaged abundances of atmospheric constituents including CO2, CH4, N2O, HF, CO, H2O, and HDO, are retrieved. This is the GGG2020 data release of observations from the TCCON station at Lauder, New Zealand, 120HR

Climate change effects on deep-water corals – habitat suitability model input data

Owen Anderson
Deep-water corals are protected in the seas around New Zealand by legislation that prohibits intentional damage and removal, and by marine protected areas where bottom trawling is prohibited. However, these measures do not protect them from the impacts of a changing climate and ocean acidification. To enable adequate future protection from these threats we require knowledge of the present distribution of corals and the environmental conditions that determine their preferred habitat, as well as the...

Data from: Long-term environmental monitoring for assessment of change: measurement inconsistencies over time and potential solutions

Kari E. Ellingsen, Nigel G. Yoccoz, Torkild Tveraa, Judi E. Hewitt & Simon F. Thrush
The importance of long-term environmental monitoring and research for detecting and understanding changes in ecosystems and human impacts on natural systems is widely acknowledged. Over the last decades a number of critical components for successful long-term monitoring have been identified. One basic component is quality assurance/quality control protocols to ensure consistency and comparability of data. In Norway, the authorities require environmental monitoring of the impacts of the offshore petroleum industry on the Norwegian continental shelf,...

Data from: Genomics detects population structure within and between ocean basins in a circumpolar seabird: the white-chinned petrel

Kalinka Rexer-Huber, Andrew J. Veale, Paulo Catry, Yves Cherel, Ludovic Dutoit, Yasmin Foster, John C. McEwan, Graham C. Parker, Richard A. Phillips, Peter G. Ryan, Andrew J. Stanworth, Tracey Van Stijn, David R. Thompson, Jonathan Waters & Bruce C. Robertson
The Southern Ocean represents a continuous stretch of circumpolar marine habitat, but the potential physical and ecological drivers of evolutionary genetic differentiation across this vast ecosystem remain unclear. We tested for genetic structure across the full circumpolar range of the white-chinned petrel (Procellaria aequinoctialis) to unravel the potential drivers of population differentiation and test alternative population differentiation hypotheses. Following range-wide comprehensive sampling, we applied genomic (genotyping-by-sequencing or GBS; 60,709 loci) and standard mitochondrial-marker approaches (cytochrome...

Data from: Bryozoan genera Fenestrulina and Microporella no longer confamilial; multi-gene phylogeny supports separation

Russell J S Orr, Andrea Waeschenbach, Emily L. G. Enevoldsen, Jeroen P. Boeve, Marianne N. Haugen, Kjetil L. Voje, Joanne Porter, Kamil Zágoršek, Abigail M. Smith, Dennis P. Gordon & Lee Hsiang Liow
Bryozoans are a moderately diverse, mostly marine phylum with a fossil record extending to the early Ordovician. Compared to other phyla, little is known about their phylogenetic relationships at both lower and higher taxonomic levels. Hence, an effort is being made to elucidate the phylogenetic relationships among bryozoans. Here, we present newly sequenced nuclear and mitochondrial genes for 21 cheilostome bryozoans and compile these with existing orthologous molecular data. Using these data, we focus on...

A molecular phylogeny of historical and contemporary specimens of an under-studied micro-invertebrate group

Russell Orr, Maja Sannum, Sanne Boessenkool, Emanuela Di Martino, Dennis Gordon, Hannah Mello, Matthias Obst, Mali Ramsfjell, Abigail Smith & Lee-Hsiang Liow
Resolution of relationships at lower taxonomic levels is crucial for answering many evolutionary questions, and as such, sufficiently varied species representation is vital. This latter goal is not always achievable with relatively fresh samples. To alleviate the difficulties in procuring rarer taxa, we have seen increasing utilization of historical specimens in building molecular phylogenies using high throughput sequencing. This effort, however, has mainly focused on large-bodied or well-studied groups, with small-bodied and under-studied taxa under-prioritized....

Delayed adaptive radiation among New Zealand stream fishes: joint estimation of divergence time and trait evolution in a newly delineated island species flock

Christine Thacker, James Shelley, William McCraney, Peter Unmack & Matthew McGee
Adaptive radiations are generally thought to occur soon after a lineage invades a region offering high levels of ecological opportunity. However, few adaptive radiations beyond a handful of exceptional examples are known, so a comprehensive understanding of their dynamics is still lacking. Here, we present a novel case of an island species flock of freshwater fishes with a radically different tempo of adaptive history than that found in many popular evolutionary model systems. Using a...

Data from: Diversification dynamics of Cheilostome Bryozoa based on a Bayesian analysis of the fossil record

Farideh Moharrek, Paul Taylor, Daniele Silvestro, Helen Jenkins, Dennis Gordon & Andrea Waeschenbach
Cheilostomata is the most diverse and ecologically dominant order of bryozoans living today. We apply a Bayesian framework to estimate macroevolutionary rates of cheilostomes since the Late Jurassic across four datasets: I) manually curated genus ranges, II) published text-mined genus ranges, III) non-revised Paleobiology Database (PBDB) records, IV) revised and augmented PBDB records. All datasets revealed increased origination rates in the Albian, and a twin K-Pg and Danian extinction rate peak. High origination rates in...

Chatham Islands cabled observatory science opportunities: workshop 23–24 February 2021 summary report

Laura M. Wallace, John Townend, Craig Stevens, Richard L. Kellett, Joao De Souza, Giacamo Giorli, Jess I. T. Hillman, Caroline Holden, Bruce Howe, Daniel Leduc, Nate Lindsay, Joshu J. Mountjoy, William L. Power & Emily Warren-Smith
Our ability to address many key questions regarding physical oceanography, plate boundary processes and marine biodiversity, and to undertake geohazards monitoring in the New Zealand region, is greatly hampered by the lack of access to real-time, continuous offshore monitoring of a range of key observables beneath our oceans, which comprises >95% of our Exclusive Economic Zone (EEZ). Developing the ability to monitor geological, biological and oceanographic processes within our EEZ is required to better understand...

Data for: A Global Survey of the Application of Sea-Level Projections

Daniella Hirschfeld, David Behar, Robert Nicholls, Niamh Cahill, Thomas James, Ben Horton, Michelle E. Portman, Rob Bell, Matt Campo, Miguel Esteban, Bronwyn Goble, Munsur Rahman, Kwasi Appeaning Addo, Faiz Ahmed, Monique Aunger, Orly Babitsky, Anders Beal, Ray Boyle, Jiayi Fang, Amir Gohar, Susan Hanson, Saul Karamesines, MJ Kim, Hilary Lohmann, Kathy McInnes … & Hiromune Yokoki

'Geologic Champagne' voyage report R/V Tangaroa TAN2006: 26 June - 17 July 2020, Wellington-Wellington

Ingo A. Pecher, Jess I. T. Hillman, Bryan W. Davy, A. R. Gorman, Suzi Woelz, D. Andrew, L. Boettger, A. Dalbeth, P. Gerring, J. Hoffman, A. Macnaughtan, P. Oluwunmi, W. Quinn, A. Shorrock & M. Tankersley
Tangaroa voyage TAN2006 took place from 26 June – 17 July 2020, with an unscheduled port call in Wellington from 29 June – 1 July due to equipment problems. The voyage objectives focused on geophysical studies of seafloor pockmarks on the Chatham Rise, as well as possible pockmarks and contourite deposits in the Bounty Trough. We acquired ~800 km of 2D seismic data, ~500 km of which were in a dense grid designed for high-resolution...

The legacies of land-clearance and trophic downgrading accumulate to affect structure and function of kelp forests

Stephen Wing, Nicholas Shears, Leigh Tait & David Schiel
Aotearoa New Zealand is the last major landmass settled by people, and therefore provides a recent record of ecological legacy effects in the coastal zone. Large-scale land clearances of forests accelerated over the last century, affecting the concentration of suspended sediments, light environment and nutrient composition on rocky reefs, and consequently the distribution, abundance and composition of algal forests. Environmental effects were compounded in many places by overfishing and long-term declines of large predatory species,...

TCCON data from Lauder (NZ), 125HR, Release GGG2020.R0

V. Sherlock, B. Connor, J. Robinson, H. Shiona, D. Smale & D. F. Pollard
The Total Carbon Column Observing Network (TCCON) is a network of ground-based Fourier Transform Spectrometers that record direct solar absorption spectra of the atmosphere in the near-infrared. From these spectra, accurate and precise column-averaged abundances of atmospheric constituents including CO2, CH4, N2O, HF, CO, H2O, and HDO, are retrieved. This is the GGG2020 data release of observations from the TCCON station at Lauder, New Zealand, 125HR

TCCON data from Lauder (NZ), Release GGG2020.R0

David Frank Pollard, John Robinson & Hisako Shiona
The Total Carbon Column Observing Network (TCCON) is a network of ground-based Fourier Transform Spectrometers that record direct solar absorption spectra of the atmosphere in the near-infrared. From these spectra, accurate and precise column-averaged abundances of atmospheric constituents including CO2, CH4, N2O, HF, CO, H2O, and HDO, are retrieved. This is the GGG2020 data release of observations from the TCCON station at Lauder, New Zealand, 125HR

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Affiliations

  • National Institute of Water and Atmospheric Research
    37
  • University of Otago
    8
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