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Research papers, University of Canterbury Library

Many contemporary urban communities are challenged by increased flood risks and rising temperatures, declining water quality and biodiversity, and reduced mental, physical, cultural and social wellbeing. The development of urban blue-green infrastructure (BGI), defined as networks of natural and semi-natural blue-green spaces which enable healthy ecosystem processes, has been identified as one approach to mitigate these challenges and enable more liveable cities. Multiple benefits associated with urban BGI have been identified, including reduced flood risk and temperatures, improved water quality and biodiversity, enhanced mental and physical wellbeing, strengthened social cohesion and sense of place, and the facilitation of cultural connections and practices. However, socio-cultural benefits have tended to be neglected in BGI research and design, resulting in a lack of awareness of how they may be maximised in BGI design. As such, this research sought to understand how BGI can best be designed to enable liveable cities. Four questions were considered: (i) what benefits are associated with urban BGI, (ii) how does the design process influence the benefits achieved by BGI, (iii) what challenges are encountered during BGI design, and (iv) how might the incorporation of communities and Indigenous knowledge into BGI research and design enhance current understandings and applications of urban BGI? To address these questions, a mixed methods case study approach was employed in Ōtautahi Christchurch and Kaiapoi. The four selected case studies were Te Oranga Waikura, Wigram Basin, Te Kuru and the Kaiapoi Honda Forest. The cases are all council owned urban wetlands which were primarily designed or retrofitted to reduce urban flood risks following the Canterbury Earthquake Sequence. To investigate BGI design processes in each case, as well as how communities interact with, value and benefit from these spaces. BGI projects were found to be designed by interdisciplinary design teams driven by stormwater engineers, landscape architects and ecologists which prioritised bio-physical outcomes. Further, community and Indigenous engagement approaches closely resembled consultation, with the exception of Te Kuru which employed a co-design approach between councils and Indigenous and community groups. This co-design approach was found to enhance current understandings and applications of urban BGI, while uncovering multiple socio-cultural values to be incorporated into design, such as access to cultural healing resources, increased community connections to water, and facilitating cultural monitoring methodologies and citizen science initiatives. Communities frequently identified the opportunity to connect with natural environments and enhanced mental and physical wellbeing as key benefits of BGI. Conversely, strengthened social cohesion, sense of place and cultural connections were infrequently identified as benefits, if at all. This finding indicates a disconnect between the bio-physical benefits which drive BGI design and the outcomes which communities value. As such, there is a need for future BGI design to more fully consider and design for socio- cultural outcomes to better enable liveable cities. To better design BGI to enhance urban liveability, this research makes three key contributions. First, there is a need to advance current approaches to transdisciplinary design to better account for the full scope of perspectives and values associated with BGI. Second, there is a need to transition towards relational co-design with Indigenous and community groups and knowledge. Third, it is important to continue to monitor, reflect on and share both positive and negative BGI design experiences to continually improve outcomes. The incorporation of social and cultural researchers, knowledges and perspectives into open and collaborative transdisciplinary design teams is identified as a key method to achieve these opportunities.

Audio, Radio New Zealand

1. TODD McCLAY to the Minister of Finance: What reports has he received on the economy? 2. KEVIN HAGUE to the Minister of Labour: Does she agree that the test of practicability in the Health and Safety in Employment (Mining-Underground) Regulations 1999 is likely to result in different mines having different safety standards, in contrast to the regulations in place until 1992? 3. Hon ANNETTE KING to the Prime Minister: In light of his comment that "New Zealand is to be congratulated because, at least in terms of the gender pay gap, ours is the third lowest in the OECD", does that mean he is satisfied with the 10.6 percent gap between men's and women's pay in our country? 4. LOUISE UPSTON to the Minister for Social Development and Employment: What reports has she received on the latest benefit numbers? 5. Hon CLAYTON COSGROVE to the Minister for Canterbury Earthquake Recovery: Does he consider the allocation of the value of the land within the rating valuation process to be robust, when it has produced such variable outcomes, leaving many in the red zone with insufficient funds to buy a section to take advantage of the replacement option in their insurance policy? 6. Dr CAM CALDER to the Minister for the Environment: What work is his Ministry doing to help New Zealand take up the opportunity from green growth following the OECD May 2011 report on the high expected global demand for such products and services? 7. Hon MARYAN STREET to the Minister of Foreign Affairs: How many human resources contracts, if any, were let by the Ministry of Foreign Affairs and Trade without tenders being invited in 2010/2011, and what criteria were used to assess non-tendered contractors? 8. PAUL QUINN to the Minister of Transport: What is the Government doing to improve Wellington's commuter rail network? 9. METIRIA TUREI to the Prime Minister: Does he stand by his statement "there is no question in my mind - someone would be better off in paid employment than on welfare. If they were not, that is a real indictment on the welfare system"? 10. Hon TREVOR MALLARD to the Minister of Finance: When he said that "I did visit the Chinese Investment Corporation … They are very pleased with New Zealand's economic policy", was one of the policies he discussed with this foreign sovereign wealth fund his plan for privatising state assets? 11. JAMI-LEE ROSS to the Minister of Broadcasting: What recent announcements has the Government made on progress towards digital switchover? 12. GRANT ROBERTSON to the Minister of Health: Does he stand by his statement to the Cabinet Expenditure Control Committee that "we may need to take some tough choices regarding the scope and range of services the public health system can provide to New Zealanders"?

Audio, Radio New Zealand

ANDREW LITTLE to the Prime Minister: Does he have confidence in the Minister for Building and Housing given the falling rate of homeownership, especially among young people? RON MARK to the Prime Minister: Does he stand by all his statements? MATT DOOCEY to the Minister of Finance: Does he stand by his statement that “There are more jobs, and people are being better paid”; if so, why? Dr MEGAN WOODS to the Minister supporting Greater Christchurch Regeneration: Does he agree with the Prime Minister, who said with regard to the Canterbury earthquakes, “on behalf of the Government, let me be clear that no one will be left to walk this journey alone”; if so, does he think all relevant information prepared by his Government has been made available to Cantabrians to assist them in navigating post-earthquake decisions? METIRIA TUREI to the Prime Minister: Ka tū a ia i runga i te mana o āna kaupapa here Kāwanatanga katoa, nē? Translation: Does he stand by all his Government’s policies? Dr JIAN YANG to the Minister of Education: What recent announcements has she made about expanding 21st century learning options for parents and whanau? CHRIS HIPKINS to the Minister of Education: How will her Communities of Online Learning (CoOL) proposal differ from online charter schools in the United States, given a study partially funded by a private pro-charter foundation found students attending those schools lost an average of about 72 days of learning in reading, and 180 days of learning in maths during the course of a 180-day school year? CATHERINE DELAHUNTY to the Minister for the Environment: Will he commit to a regulatory regime that includes swimmable rivers in light of the comment from a Havelock North café owner who said that, “we’d trade all the compensation in the world if it would spur the Government into tidying up or cleaning up the waterways”? IAIN LEES-GALLOWAY to the Minister of Immigration: How many of the 209,000 work visas issued last year were for occupations on one of the Essential Skills in Demand lists? JONO NAYLOR to the Minister of Police: What is the Police doing to assist potential victims of family violence? STUART NASH to the Minister of Police: Does she believe that the Police have enough resources to implement their part of the Prime Minister’s 2009 promise to use the full force of the Government’s arsenal to “confront the P problem” given that P is cheaper, and as easy as it was to get in 2008? PAUL FOSTER-BELL to the Minister for Primary Industries: What recent reports has he received on growth in wine exports?

Audio, Radio New Zealand

Questions to Ministers 1. Dr RUSSEL NORMAN to the Minister of Finance: Does he agree with 57 percent of New Zealanders who, according to a recent UMR poll, support the introduction of a temporary earthquake levy to pay for the rebuilding of Christchurch? 2. Hon PHIL GOFF to the Prime Minister: What, according to the 2010 Investment Statement of the Government of New Zealand, was the average total shareholder return over the last five years from State-owned Enterprises and the average bond rate, and is that consistent with his statement that "it is the Government's intention to use the proceeds of those initial public offerings to actually invest in other assets that the Government would have to fund through the Government bond rate"? 3. DAVID BENNETT to the Minister for Infrastructure: What progress has the Government made on its infrastructure programme? 4. Hon ANNETTE KING to the Prime Minister: Does he stand by his statement "this Government is not prepared to turn its back on our most vulnerable citizens when they most need our help"? 5. Hon JOHN BOSCAWEN to the Acting Minister of Energy and Resources: Is it government policy for New Zealand to become a "highly attractive global destination" for oil exploration, with expansion of the oil and coal sectors leading to a "step change" in the country's economic growth as set out in the document Developing Our Energy Potential; if not, why not? 6. Hon CLAYTON COSGROVE to the Minister for Social Development and Employment: Is the Government considering extending the business assistance package for employers and employees beyond the 14-week period currently signalled; if not, why not? 7. JACQUI DEAN to the Minister of Police: What reports has she received on the latest trends in the level of crime in New Zealand? 8. Hon TREVOR MALLARD to the Prime Minister: Did he tell a meeting in Timaru last week "The entire time I've been Prime Minister I've had Treasury in my office week after week, month after month, telling me South Canterbury Finance was going bankrupt"? 9. CHRIS AUCHINVOLE to the Minister for the Environment: What advice has he received on major resource consents being considered under the Government's new national consenting policy? 10. Dr RUSSEL NORMAN to the Acting Minister of Energy and Resources: Does she agree that the joint scheme initiated by the Green Party and the Government, Warm Up New Zealand: Heat Smart, is the best initiative in the Draft New Zealand Energy Strategy because it is providing hundreds of thousands of New Zealand households with warm, dry, energy efficient homes, and creating thousands of clean green jobs? 11. Hon SHANE JONES to the Minister of Fisheries: Does he still have no major concerns about the way foreign boats were used by New Zealand companies as the Nelson Mail reports he said last year? 12. TIM MACINDOE to the Minister of Housing: What recent announcements has he made regarding the Government's Housing Innovation Fund?

Research papers, University of Canterbury Library

Ongoing climate change triggers increasing temperature and more frequent extreme events which could limit optimal performance of haliotids, affect their physiology and biochemistry as well as influencing their population structure. Haliotids are a valuable nearshore fishery in a number of countries and many are showing a collapse of stocks because of overexploitation, environmental changes, loss of habitat, and disease. The haliotid in New Zealand commonly referred to as the blackfoot pāua (Haliotis iris) contribute a large and critical cultural, recreational and economic resource. Little was known about pāua responses to increasing temperature and acute environmental factors, as well as information about population size structure in Kaikoura after the earthquake 2016 and in Banks Peninsula. The aims of this study were to investigate the effects of temperature on scope for growth (SfG); physiological and biochemical responses of pāua subjected to different combined stressors including acute temperature, acute salinity and progressive hypoxia; and describe population size structure and shell morphology in different environments in Kaikoura and Banks Peninsula. The main findings of the present study found that population size structures of pāua were site-specific, and the shell length and shell height ratio of 3.25 could distinguish between stunted and non-stunted populations. The study found that high water temperature resulted in a reduction in absorbed energy from food, an increase in respiration energy, and ammonia excretion energy. Surveys were conducted at six study sites around the Canterbury Region over three years in order to better understand the population size structure and shell morphology of pāua. The findings found that the population size structure at 6 sites differed. Both juveniles and adults were found in intertidal areas at five sites. However, at Cape Three Points, pāua were found only in subtidal zones. One of the sites, Little Port Cooper, had a stunted population where only two pāua reached 125 mm in length over three years. In addition, most pāua in Little Port Cooper and Cape Three Points were adults, while Seal Reef had mostly juveniles. Wakatu Quay and Omihi had a full size range of pāua. Oaro population was dominated with juveniles and sub-adults. Recruitment and growth of pāua were successful after the earthquake in 2016. Research into pāua shell morphologies also determined that shell dimensions differed between sites. The relationships of shell length to shell width were linear and the relationship of shell length to shell height was curvilinear. Interestingly, SL:SH ratio of 3.25 is able to be used to identify stunted and non-stunted populations for pāua larger than 90 mm in length. Little Port Cooper was a stunted population with mean SL:SH ratio being 3.16. In the laboratory, scope for growth of pāua was investigated at four different temperatures of 12oC, 15oC, 18oC and 21oC over four weeks’ acclimation. The current study has found that SfG of pāua highly depended on temperature. Absorbed energy and respiration energy accounted for the highest proportion of the SfG of pāua. The respiration energy of pāua accounted for approximately 36%, 40%, 49% and 69% of the absorbed energy at 12°C, 15°C, 18°C and 21°C, respectively. The pāua at all acclimation temperatures had a positive scope for growth. The study suggested that the SfG was highest at 15°C, while the value at 21°C was the lowest. However, SfG at 18°C and 21°C decreased after 14 days of acclimation. Because of maintaining almost unchanged oxygen consumption over four weeks’ acclimation, pāua showed their poor abilities to acclimate to an increase in temperature. Therefore, they may be more vulnerable in future warming scenarios. The physiological and biochemical responses of pāua toward different combined stressors included three experiments. In terms of the acute temperature experiment, pāua were acclimated at 12oC, 15oC, 18oC or 21oC for two weeks before stepwise exposure to four temperatures of 12oC, 15oC, 18oC and 21oC every 4 hours. The acute salinity change, pāua were acclimated at 12oC, 15oC or 18oC over two weeks. Pāua were then exposed to a stepwise decrease of salinity of 2‰ every two hours from 34 – 22‰. Regarding the declining oxygen level, pāua were acclimated at 15 oC or 18oC for two weeks before exposure to one of four temperatures at 12oC, 15oC, 18oC or 21oC in one hour. After that acute progressive hypoxia was studied in closed respirometers for around six hours. The findings showed that there were interactions between combined stressors, affecting physiology of pāua (metabolism and heart rate). This suggests that environmental factors do not have a separate effect, but they also have interactions that enhance negative effects on pāua. Also, both oxygen uptake and heart rate responded quickly to temperature change and increased with rising temperature. On the other hand, oxygen uptake and heart rate decreased with reducing salinity and progressive hypoxia (before critical oxygen tension - Pcrit). Pcrit over four acute temperature exposures, ranged between 30.2 and 80.0 mmHg, depending on the exposure temperature. Acclimation temperature, combined with acute temperature, salinity or hypoxia stress affected the biochemistry of pāua. Pāua are osmoconformers so decreased salinity resulted in reducing haemolymph ionic concentration and increasing body volume. They were hypo-ionic with respect to sodium and potassium over the salinity ranges of 34 - 22‰. Haemocyanin accounts for a large pecentage of haemolymph protein, so trends of protein followed haemocyanin. Pāua tended to store oxygen in haemocyanin under extreme salinity stress at 22‰ and extreme hypoxia around 10 mmHg, rather than in oxygen transport. In conclusion, pāua at different sites had different population structures and morphologies. Pāua are sensitive to environmental stressors. They consumed more oxygen at high temperatures because they do not have thermal acclimation capacity. They are also osmoconformers with haemolymph sodium and potassium decreasing with salinity medium. Under progressive hypoxia, pāua could regulate oxygen and heart rate until Pcrit depending on temperature. Acute environmental changes also disturbed haemolyph parameters. 12°C and 15°C could be in the range of optimal temperature with higher SfG and less stress when exposed to acute environmental changes. Meanwhile long term exposure to 21°C is likely to be outside of the optimal range for the pāua. With ongoing climate change, pāua populations are more vulnerable so conservation is necessary. The research contributes to improving fishery management, providing insights into different environmental stressors affecting the energy demand and physiological and biochemical responses of pāua. It also allow to predicting the growth patterns and responses of pāua to adapt to climate change.