The Cawthron Institute is New Zealand's largest independent science organisation, specialising in science that supports the environment and development within primary industries. Cawthron has its main facilities in Nelson. It works with regional councils, government departments, major industries, private companies, and other research organisations throughout New Zealand and around the world. Cawthron employs approximately 300 scientists, laboratory technicians, researchers and specialist staff from 26 countries. [1] It has both chemistry and microbiology labs, and has a major focus on food related testing for food safety and export certification. Cawthron holds IANZ accreditation for a wide range of tests. Its scientists include experts in aquaculture, marine and freshwater resources, food safety and quality, algal technologies, biosecurity and analytical testing.
Nelson businessman and philanthropist Thomas Cawthron made substantial contributions to the Nelson community. When he died in 1915 he left £231,000, the bulk of his estate, for the creation of an "industrial and technical school institute and museum to be called the Cawthron Institute". [2] Seven local public officials were appointed as trustees to execute his will, and they in turn set up an advisory commission (four prominent scientists plus the chairman of the Board of Agriculture). [3] The commission's report in 1916, which was adopted by the trustees, set out the principles for such an institute. In 1917, the New Zealand government insisted that £40,000 in stamp duty was owed on the bequest; this decision was disputed and was subject to repeated legal challenges over the following 18 years. [4] Thomas Easterfield, the founder and head of the Chemistry Department at Victoria University, was appointed in 1919 as the Cawthron Institute's first director and the first staff member hired. [5]
Fellworth House was purchased in 1920 as the institute's temporary premises. [6] It remained the home of Cawthron Institute for the following fifty years. On 21 April 1921, the institute was officially opened by New Zealand's Governor General, Lord Jellicoe. [7] The Thomas Cawthron Trust Act 1924, formally establishing the Cawthron Institute Trust Board, came into force in early 1925. [8] That year saw a visit by Ernest Rutherford who presented the Thomas Cawthron Memorial Lecture. [9]
In 1920, Robin Tillyard was appointed chief of the department of biology at Cawthron, and his 1926 book Insects of Australia and New Zealand became a reference for many decades. [10] In 1927, Tillyard, then assistant director, left Cawthron to take up the position of chief of the Entomology Division at the CSIR, Australia. [11]
Foundation staff member Theodore Rigg was appointed director of a DSIR survey of volcanic ash soils in central North Island. [12] [13] Thomas Easterfield retired in 1933 and Rigg became Director. Finally, in 1936, the government approved compensation for the £40,000 death duties paid in 1917: an annual subsidy of £2000 for entomological, fruit, soil and tobacco research. [14]
In 1936, Cawthron scientists confirmed cobalt deficiency as the cause of “bush sickness” in New Zealand. [15] The Cawthron Institute Trust Board Rating Exemption Act 1937 was enacted, granting the Cawthron Institute freedom from paying local rates. [16] In that year, the Entomological Branch of the Department of Agriculture was transferred to Nelson: a joint venture between the DSIR and Cawthron.
Theodore Rigg was knighted in 1937 for his services to New Zealand. [17] In 1938, Thomas Easterfield also received a knighthood. [18]
The Knapp Collection of Māori taonga, comprising more than 8000 artifacts and the largest private collection in New Zealand, was bequeathed in 1940 to the Cawthron's museum. [19] A Silver Jubilee commemorated 25 years of Cawthron's operation.
Cawthron's soil science activities including the National Soil Survey were relocated to the DSIR Soil Bureau, Wellington, along with staff.
This was a difficult decade for Cawthron. All entomology activities and collections were transferred to the DSIR Entomology Division, Auckland in 1956. [20] That same year Sir Theodore Rigg retired, and David Miller assumed the role of Director. [21] Cawthron's Department of Mycology was transferred to the DSIR Plant Diseases Division, along with the reference collections and library. [22] In 1959, Miller retired as Director and was replaced by C. R. Barnicoat, Associate Professor of Biochemistry at Massey Agricultural College. [23]
To address long standing concerns about a lack of scientific expertise on the Cawthron Instuture Trust Board, the Cawthron Institute Trust Act 1924 was amended to enable 3 additional trustees with scientific backgrounds to be added to the board by the Minister of Science. [24] In 1967, Barnicoat retired as Director. and was replaced in 1968 by E. B. (Barrie) Cousins, Associate Professor of Biochemistry at the University of Otago. [25] [26]
The Chemical Services Group was established under the leadership of Alan Cooke, for the first time offering commercial chemical and microbiological analyses. This provided an important source of revenue over the next decade. [27]
The decade began with the opening of new laboratories and offices (now named the Rigg building) by Governor-General Sir Arthur Porritt. [28] Celebrations were marred by the sudden death of Director Barrie Cousins a few days before. Royd Thornton, manager of the DSIR's Agriculture and Biology Group, was appointed Director in 1971. [29] In 1972, the national accreditation body TELARC was created, enabling other laboratories to gain accreditation and compete with Cawthron's highly regarded analytical laboratories. [30] The Cawthron Museum was closed in 1976 and its contents redistributed to the Nelson Provincial Museum, other organisations, and the general public.
An Environmental and Feasibility Services group was established in 1976, offering commercial consultant services. [31] The move from Fellworth House was completed in 1977 and the property sold.
The 1980s were a difficult decade for the Cawthron's finances; the Environmental and Feasibility Services group was shut down in 1984 after proving unprofitable. [32] In 1987, Royd Thornton retired. [33] Staff numbers declined to 33, from a decade peak of 74. Graeme Robertson, a chemical engineer with a background in the pulp and paper industry, was named chief executive officer in 1988. He appointed senior Cawthron scientist Henry Kaspar as Research Leader. [34]
A bipartisan agreement in 1990 led to a major restructuring of New Zealand's science system: the separation of policy, funding, and operations, and the creation of MoRST and FRST. This introduced competitive bidding for government funded research programmes. [35] The Thomas Cawthron Memorial Lecture series was restarted in 1990 after a 10-year hiatus. [36] In 1992, Government research in MAF, DSIR, and Forestry was restructured into Crown Research Institutes.
In the summer of 1992–93 the first harmful algae bloom to close marine farms and create widespread public attention sparked interest in marine biotoxins. [37] [38] The Glenhaven Aquaculture Centre Ltd, now known as the Cawthron Aquaculture Park, was formed in 1993 as a joint venture with landowners, and a small research facility was built on the site of a former oyster hatchery.
Cawthron's Culture Collection of Micro-Algae was registered in 1996 as a nationally significant living collection. That year the New Zealand aquaculture industry introduced regular phytoplankton monitoring of harvest areas as an early warning of the presence of toxic algae. In 1998, a new office building known as the Easterfield Wing was opened by the Minister of Science, Maurice Williamson. Cawthron hosted the first national workshop on marine biosecurity in 1999.
HABTech 2000, an international workshop on technology for the monitoring of harmful algal blooms and biotoxins, was launched by Cawthron. [39] That year LC-MS chemical analysis methods developed by Cawthron were introduced for routine marine biotoxin monitoring of farmed shellfish throughout New Zealand. [40] Graeme Robertson resigned as CEO in 2005 and was replaced in 2006 by Gillian Wratt.
Charles Eason joined the Cawthron Institute as CEO in June 2012. [41]
Charles Eason stepped down as CEO of the Cawthron Institute in December 2020, and was replaced by Volker Kuntzsch in March 2021. [42]
Cawthron has a number of research programmes supported by various government contestable funds, in particular the Endeavour Fund, [43] focused in the following areas:
Seafood sector
An international team led by Cawthron is developing farming systems enabling multiple shellfish species to be grown in open ocean sites, with sustainable production efficiencies and maintenance costs. [44] [45] [46] [47] Research is underway to increase the sustainability and efficiency of the wild scampi capture fishery and explore new techniques for a land-based production of this high-value species. [48] A study of the factors influencing the feed conversion efficiency of farmed Chinook salmon aims to improve husbandry, health and fish quality, while reducing environmental impacts. [49] [50]
Cawthron currently receives $5M annually as "capability funding" from the New Zealand Government's Strategic Science Investment Fund [51] for 2 science platforms. [52] The Shellfish Aquaculture Platform [53] aims to enhance the sustainable growth of New Zealand's shellfish aquaculture industry through reliable seed supply, improved genetics, precision farming methods, new products and species and improved shellfish health.
The Seafood Safety Platform [54] [55] is led by Cawthron in partnership with AgResearch, Plant and Food Research and the Institute of Environmental Science and Research, to safeguard New Zealand's seafood export industry. It builds on relationships between researchers, regulators and the seafood sector. The research covers factors that drive harmful algal bloom events, molecular technologies for detection, marine biotoxin analysis, and threats from pathogenic bacteria and viruses. [56]
Emerging organic contaminants pose a risk to New Zealand aquatic ecosystems, have the potential to induce antimicrobial resistance and may be present in food. Cawthron scientists lead a research programme to enhance management of these risks, in partnership with other science providers, [57] [58] iwi, key community stakeholders, environmental managers and policy makers. [59]
Marine bioactives and nutrition
In a programme funded through the government's "High Value Nutrition" National Science Challenge, [60] Cawthron and Sanford Limited [61] have joined forces to identify and validate the health benefits of Greenshell mussels. The programme will assist the development of high value functional food products. [62]
To tap into the growing interest worldwide in pharmaceuticals based on natural compounds of algal origin, a new programme “Natural compound manipulation for therapeutic applications” began in 2019. [63] This builds on Cawthron's long experience in algae research and the extraction of bioactive compounds, the Cawthron Institute Culture Collection of Microalgae [64] and the new National Algae Research Centre. [65] [66]
Freshwater ecosystem health
LAWA, "Land Air Water Aotearoa", [67] a partnership between Regional Councils, Cawthron Institute and the Ministry for the Environment, is one of New Zealand's largest environmental online data platforms, connecting New Zealanders with their environment through sharing scientific data. [68] [69] [70]
Lakes380, "Our lakes’ health: past, present and future" [71] an international effort jointly led by GNS Science and Cawthron Institute, aims to obtain a nationwide health overview for 10% of New Zealand's 3800 lakes. As well as characterising present biodiversity and water quality, the team [72] is exploring how and why the lakes have changed over the past 1000 years by collecting and analysing sediment cores. The information is interwoven with traditional Māori knowledge to provide a richer understanding about the value and health of New Zealand's lakes, as well as the impact of natural and human activity. [73] [74] [75]
The health of our oceans
In a new research programme [76] Cawthron leads a multidisciplinary team to develop a new “marine biosecurity toolbox”. Their aim is to prevent marine pests getting a foothold by developing molecular tools to detect them at low densities, and with simulation models assist managers achieve better resource allocation. The project team has participants from over 20 organisations: government, Maori, industry, and education providers.
The design and synthesis of a “smart” antifouling biocide is the aim of another project. [77] Antifouling compounds must be potent against problematic biofouling organisms when applied to artificial surfaces in the sea but benign against marine life if released into the environment, as well as cost-effective to synthesize at an industrial scale.
Knowledge and toolsets to support co-management of estuaries "Manaaki Taha Moana: Oranga Taiao, Oranga Tangata" . Retrieved 20 February 2020.
This national centre for shellfish aquaculture research began in 1993 as a collection of recycled huts and a tunnel house. Earlier decades had seen many unsuccessful attempts by New Zealand scientists to grow Greenshell mussels in a hatchery. A government-backed research project provided the funding for a small research hatchery and success was achieved in 1999. [78] Eighteen years later, a new company, SPATnz Ltd, was formed by three major mussel producers to breed Greenshell mussels on a commercial scale. [79]
The moth species Reductoderces cawthronella was named in honour of the Cawthron Institute, commemorating it being the first new species to be reared at the Cawthron Institute insectarium. [80]
Mariculture, sometimes called marine farming or marine aquaculture, is a branch of aquaculture involving the cultivation of marine organisms for food and other animal products, in seawater. Subsets of it include, fish farms built on littoral waters, or in artificial tanks, ponds or raceways which are filled with seawater. An example of the latter is the farming of plankton and seaweed, shellfish like shrimp or oysters, and marine finfish, in saltwater ponds. Non-food products produced by mariculture include: fish meal, nutrient agar, jewellery, and cosmetics.
Mussel is the common name used for members of several families of bivalve molluscs, from saltwater and freshwater habitats. These groups have in common a shell whose outline is elongated and asymmetrical compared with other edible clams, which are often more or less rounded or oval.
In New Zealand, Crown Research Institutes (CRIs) are corporatised Crown entities charged with conducting scientific research.
Perna canaliculus, the New Zealand green-lipped mussel, also known as the New Zealand mussel, the greenshell mussel, kuku, and kutai, is a bivalve mollusc in the family Mytilidae. P. canaliculus has economic importance as a cultivated species in New Zealand.
Amnesic shellfish poisoning (ASP) is an illness caused by consumption of shellfish that contain the marine biotoxin called domoic acid. In mammals, including humans, domoic acid acts as a neurotoxin, causing permanent short-term memory loss, brain damage, and death in severe cases.
Aquaculture started to take off in New Zealand in the 1980s. It is dominated by mussels, oysters and salmon. In 2007, aquaculture generated about NZ$360 million in sales on an area of 7,700 hectares. $240 million was earned in exports.
The Department of Scientific and Industrial Research (DSIR) was a government science agency in New Zealand, founded in 1926 and broken into Crown Research Institutes in 1992.
Sir Theodore Rigg was a New Zealand agricultural chemist and scientific administrator.
Sir Thomas Hill Easterfield was born in Doncaster the youngest of four children of Edward Easterfield, savings bank secretary, and Susan. He attended Doncaster Grammar School, and later entered the Yorkshire College of Science, now the University of Leeds. He was then appointed a Senior Foundation Scholar of Clare College, Cambridge, from where he gained First Class honours in the Natural Sciences Tripos in 1886.
The Ministry of Business, Innovation and Employment is the public service department of New Zealand charged with "delivering policy, services, advice and regulation" which contribute to New Zealand's economic productivity and business growth.
Gillian Shirley Wratt is a New Zealand botanist and science administrator. She was the first woman director of the New Zealand Antarctic Programme (1992–1996) and made a Member of the New Zealand Order of Merit for services to Antarctica.
Helen Hannah Rigg Hughes was a New Zealand botanist. She served as New Zealand's first Parliamentary Commissioner for the Environment, from 1987 to 1996.
Wendy Alison Nelson is a New Zealand marine scientist and world expert in phycology. She is New Zealand's leading authority on seaweeds. Nelson is particularly interested in the biosystematics of seaweeds/macroalgae of New Zealand, with research on floristics, evolution and phylogeny, as well as ecology, and life history studies of marine algae. Recently she has worked on the systematics and biology of red algae including coralline algae, distribution and diversity of seaweeds in harbours and soft sediment habitats, and seaweeds of the Ross Sea and Balleny Islands.
Lesley Louise Rhodes is a New Zealand scientist. She is the co-leader of the Nationally Significant Database programme (NSD) for the Cawthron Institute. In the 2017 Queen's Birthday Honours, she was named as a Companion of the New Zealand Order of Merit in recognition for her contributions to science and marine farming.
Aquaculture in the United Kingdom is dominated by salmon farming, then by mussel production with trout being the third most important enterprise. Aquaculture in the United Kingdom represents a significant business for the UK, producing over 200,000 tonnes of fish whilst earning over £700 million in 2012 (€793 million).
The New Zealand Nationally Significant Collections and Databases (NSCDs) are government-funded biological and physical collections or databases that are considered important and significant to New Zealand.
Susanna Wood is a New Zealand scientist whose research focuses on understanding, protecting and restoring New Zealand's freshwater environments. One of her particular areas of expertise is the ecology, toxin production, and impacts of toxic freshwater cyanobacteria in lakes and rivers. Wood is active in advocating for the incorporation of DNA-based tools such as metabarcoding, genomics and metagenomics for characterising and understanding aquatic ecosystems and investigating the climate and anthropogenic drivers of water quality change in New Zealand lakes. She has consulted for government departments and regional authorities and co-leads a nationwide programme Lakes380 that aims to obtain an overview of the health of New Zealand's lakes using paleoenvironmental reconstructions. Wood is a senior scientist at the Cawthron Institute. She has represented New Zealand internationally in cycling.
Lakes380 – Our Lakes' Health: past, present, future is a New Zealand limnology research project focussed on determining the health, wellness and history of about 10 per cent of New Zealand's 3800 lakes, by collecting surface water, sediment samples and sediment cores and using many different techniques including environmental DNA (eDNA), and other core scanning methods to analyze them. By drawing on both traditional Māori knowledge and biophysical science, it was intended to provide a public resource to assist the development of restoration and management plans for these lakes. The project is jointly led by GNS Science and the Cawthron Institute and works with a wide range of New Zealand and international participants and partners. It was initially a five-year (2017–2022) programme, funded by an Endeavour Fund grant from the Ministry of Business, Innovation and Employment.
Science for Technological Innovation was one of New Zealand's eleven collaborative research programmes known as National Science Challenges. Running from 2015 to 2024, the focus of Science for Technological Innovation (SfTI) research was physical science and engineering research for New Zealand's economic growth.
Barbara June Hayden is a New Zealand marine biologist, and is Chief Scientist at the National Institute of Water and Atmospheric Research (NIWA), specialising in marine biosecurity and aquaculture. In 2019 she was elected a Companion of the Royal Society Te Apārangi and awarded the New Zealand Marine Sciences Society Award.
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