Attractive, climate-adapted and sustainable? Public perception of non-native planting in the designed urban landscape

© 2017 The Authors Throughout Europe climate change has rendered many plant species used in contemporary urban planting design less fit for use in public greenspaces. A growing evidence base exists for the ecological value of introducing non-native species, yet urban policy and practice guidance continues to portray non-native species negatively, focusing on their assumed invasiveness. In this context there is a lack of research focusing on the cultural relevance of non-native species in the urban landscape. To address this gap we surveyed 1411 members of the UK public who walked through designed and semi-natural planting of three levels of visual nativeness: “strongly native”; “intermediate” and “strongly non-native”, whilst completing a site-based questionnaire. Semi-structured, in-depth interviews were then carried out with 34 questionnaire participants. A majority (57.6%) of our respondents would be happy to see more non-native planting in UK public spaces, rising to 75.3% if it were better adapted to a changing climate than existing vegetation. Respondents recognised the three broad levels of nativeness, yet this was not a factor driving perceptions of the attractiveness of the planting. In addition to climate change, we identified four key factors driving acceptance and rejection of non-native planting: aesthetics; locational context; historic factors and inevitability; and perceptions of invasiveness and incompatability with native wildlife. Our research indicates that in the context of a changing climate, focus should be placed on the potentially positive role of non-invasive, climate-adapted, aesthetically pleasing species within urban planting schemes as these could be well-received by the public

All about the ‘wow factor’? The relationships between aesthetics, restorative effect and perceived biodiversity in designed urban planting

© 2017 The Authors Urban populations experience the multiple health and well-being benefits of nature predominantly via urban green infrastructure. If this is to be designed and managed optimally for both nature and people, there is an urgent need for greater understanding of the complex relationships between human aesthetic experience, well-being and actual or perceived biodiversity. This integrative study assessed human aesthetic reaction, restorative effect and perceived biodiversity in relation to fine-grained categories of woodland, shrub and herbaceous planting. We surveyed 1411 members of the public who walked through planting of varying structure, species character and percentage flower cover whilst completing a site-based questionnaire. Semi-structured, in-depth interviews were then carried out with 34 questionnaire participants. Correlations between perceived attractiveness and perceived biodiversity were identified for three out of four biodiversity indicators. There was a correlation between perceived attractiveness and restorative effect yet this was not strong. Colourful planting with flower cover above a critical threshold (27%) was associated with the highest level of aesthetic preference. Subtle green ‘background’ planting afforded a restorative effect. These results are discussed with reference to the Circumplex Model of Affect. Our findings indicate that people appreciate colourful flowering public planting for the ‘wow factor’, but that green planting outside the narrow flowering season of most species is greatly valued. Planting moderately or most natural in structure was perceived as significantly more restorative than that least natural in structure suggesting that people in the UK may be increasingly accepting of a messier ‘ecological aesthetic’ in urban planting

Improving urban grassland for people and wildlife

Access to nature is beneficial to human health. How can designed urban meadows help to enhance public well-being and urban biodiversity?Access to nature is beneficial to human health and well-being, yet over 80% of the UK population now live in urban areas and experience nature as “urban green infrastructure”, a mosaic of greenspaces including parks, gardens and semi-natural areas. As well as providing recreational, educational and aesthetic benefits these areas provide potential habitats for urban wildlife such as birds and insects, including important pollinators. However, a high proportion of urban greenspace is currently managed as close-mown amenity grass, with limited aesthetic interest or value to wildlife. Replacing some of this with designed urban meadows has been shown to enhance the value of individual greenspaces for both people and wildlife. Local authorities and other organisations that are responsible for management of public space are in a position to make this change

Beyond the ‘wow factor’? Climate resilient green infrastructure for people and wildlife

Covid-19 and COP26 both amplified calls from the environment sector for greater support for greenspace management globally. As the future of our planet and population is threatened by a global pandemic, escalating mental health challenges and the interrelated climate and biodiversity crises, there is a growing awareness of the potential for the intersecting roles of greenspace (GS), green infrastructure (GI) and nature-based solutions (NBS) to meet the myriad socio-economic and ecological of modern society (Frantzeskaki, 2019; Venkataramanan et al., 2020). Unfortunately, their potential to address these challenges remains undervalued by many, and thus underfunded, (Mell, 2021). Presenting examples of ‘research into action’, we advocate greenspace management to maximise benefits for people and wildlife. We draw on research from UK to consider how and why different people react to landscapes of varying aesthetic and biodiversity quality (Hoyle et al. 2017a), proposing an alternative approach to biodiversity-friendly greenspace management under austerity. Next, we emphasise the urgency of ‘futureproofing’ places to adapt to changing climate, demonstrating the public acceptability of climate-ready urban GI (Hoyle, 2021). Finally, we discuss how socio-cultural variables and values impact on preferences. We illustrate the benefits of co-creating local NBS with reference to ‘Futureproofing Luton’, a live project engaging diverse partners in the co-production of an educational arboretum-meadow. We propose alternative options open to all natural and built environment and public health professionals to support knowledge exchange promoting more sustainable forms of urban development. Although framed within a UK context, the processes of engagement, best practice exchange, and more effective dialogue, are meaningful across Europe and beyond

Human happiness versus urban biodiversity? Public perception of designed urban planting in a warming climate

This study focused on public perception and preference in relation to a range of typologies of woodland, shrub and herbaceous designed urban planting defined by planting structure and species character. An initial on-site questionnaire was conducted with a large sample of respondents, (n = 1410), at 31 sites in England, followed by in-depth interviews with a much smaller self-selecting sub-set of the original respondents, (n = 34). Findings indicated that planting structure, species character and flowering all had a significant bearing on perceptions of the attractiveness, neatness and the biodiversity of the planting. Respondents’ background socio-demographic factors, beliefs and values had a lesser influence on their reactions to the planting, and were also related to self-reported well-being. Relationships between perceived attractiveness, perceived biodiversity and well-being were identified

Climate-adapted, traditional or cottage-garden planting? Public perceptions, values and socio-cultural drivers in a designed garden setting

The global climate crisis precipitates a call to ‘futureproof’ cities by introducing resilient climate-adapted urban green infrastructure (UGI). Recent UK research has revealed public support for climate-adapted UGI, yet there is a lack of research focusing on the values underlying public perceptions, particularly in relation to climate change, and the socio-cultural factors driving these. This was addressed by asking 249 people to walk through one of three contrasting areas of planting: exotic (climate-adapted); traditional or cottage-garden, within a designed garden setting, whilst conducting a self-guided questionnaire assessing participants’ perceptions of aesthetics, self-reported restorative effect, and plant and invertebrate biodiversity. Participants’ held values in relation to climate change, non-native species, and nature-connectedness were also addressed. Findings indicated aesthetic preference for climate-adapted planting over the other two styles, providing further evidence of cultural acceptance for policymakers and land-managers seeking to ‘futureproof’ cities by introducing climate-adapted UGI. Planting of a cottage-garden style was perceived as the least attractive, but the most restorative. Socio-cultural characteristics including age, educational qualifications, and taking holidays overseas were drivers of perceptions. Professional involvement and interest in the environment, landscape, and horticulture were identified as drivers of perceptions and values. Values in relation to climate change were directly related to participants’ educational qualifications. This identifies a need to consider novel approaches to climate change education to promote wider understanding of the implications of climate-change and the potential for climate-adapted UGI to deliver ‘futureproofing’ benefits for climate-change mitigation and human mental wellbeing

Perceived species-richness in urban green spaces: Cues, accuracy and well-being impacts

© 2017 The Authors Evidence that urban green-space promotes health and well-being of urban residents is increasing. The role of biodiversity is unclear: perceived biodiversity may be important, but how accurately it is perceived and the factors influencing this accuracy are poorly understood. We use experimental perennial urban meadows in southern England to investigate the impact of creating biodiverse habitats on green-space users’ i) physical and mental health, psychological well-being, ii) factors moderating health and well-being outcomes (site satisfaction and nature connectedness), and iii) perceived biodiversity. We explore whether ‘nature dose’ (time spent at a site) influences these relationships. We then assess whether green-space users can estimate botanical diversity accurately across meadow treatments differing in plant species richness and vegetation structure, and determine the environmental cues and personal characteristics associated with these estimates. Sites with experimental meadows did not increase respondents’ perceptions of site level biodiversity, their self-rated physical and mental health or psychological well-being relative to control sites lacking meadows. However, there were significant associations between perceived site level biodiversity per se, and site satisfaction and feeling connected to nature. Moreover, we observed a positive association between nature dose and self-estimated mental health. We found that actual and perceived botanical richness in individual meadow plots were strongly positively correlated. Perceived richness was positively associated with vegetation height, evenness, and colourfulness suggesting that these are cues for estimating species richness. The accuracy of estimates varied, but respondents with higher levels of eco-centricity were more accurate than people who were less connected to nature

Plant species or flower colour diversity? Identifying the drivers of public and invertebrate response to designed annual meadows

© 2018 The Authors There is increasing evidence of the benefits of introducing urban meadows as an alternative to amenity mown grass in public greenspaces, both for biodiversity, and human wellbeing. Developing a better understanding of the meadow characteristics driving human and wildlife response is therefore critical. We addressed this by assessing public and invertebrate response to eight different annual meadow mixes defined by two levels of plant species diversity and two levels of colour diversity, sown in an urban park in Luton, UK, in April 2015. On-site questionnaires with the visiting public were conducted in July, August and September 2015. Invertebrate responses were assessed via contemporaneous visual surveys and one sweep net survey (August 2015). Flower colour diversity had effects on human aesthetic response and the response of pollinators such as bumblebees and hoverflies. Plant species diversity, however, was not a driver of human response with evidence that people used colour diversity as a cue to assessing species diversity. Plant species diversity did affect some invertebrates, with higher abundances of certain taxa in low species diversity meadows. Our findings indicate that if the priority for sown meadows is to maximise human aesthetic enjoyment and the abundance and diversity of observable invertebrates, particularly pollinators, managers of urban green infrastructure should prioritise high flower colour diversity mixes over those of high plant species diversity. Incorporating late-flowering non-native species such as Coreopsis tinctoria (plains coreopsis) can prolong the attractiveness of the meadows for people and availability of resources for pollinators and would therefore be beneficial

Strong position-dependent effects of sequence mismatches on signal ratios measured using long oligonucleotide microarrays

<p>Abstract</p> <p>Background</p> <p>Microarrays are an important and widely used tool. Applications include capturing genomic DNA for high-throughput sequencing in addition to the traditional monitoring of gene expression and identifying DNA copy number variations. Sequence mismatches between probe and target strands are known to affect the stability of the probe-target duplex, and hence the strength of the observed signals from microarrays.</p> <p>Results</p> <p>We describe a large-scale investigation of microarray hybridisations to murine probes with known sequence mismatches, demonstrating that the effect of mismatches is strongly position-dependent and for small numbers of sequence mismatches is correlated with the maximum length of perfectly matched probe-target duplex. Length of perfect match explained 43% of the variance in log₂signal ratios between probes with one and two mismatches. The correlation with maximum length of perfect match does not conform to expectations based on considering the effect of mismatches purely in terms of reducing the binding energy. However, it can be explained qualitatively by considering the entropic contribution to duplex stability from configurations of differing perfect match length.</p> <p>Conclusion</p> <p>The results of this study have implications in terms of array design and analysis. They highlight the significant effect that short sequence mismatches can have upon microarray hybridisation intensities even for long oligonucleotide probes.</p> <p>All microarray data presented in this study are available from the GEO database <abbrgrp><abbr bid="B1">1</abbr></abbrgrp>, under accession number [GEO: GSE9669]</p

High prevalence and factors associated with the distribution of the integron intI1 and intI2 genes in Scottish cattle herds

Integrons are genetic elements that capture and express antimicrobial resistance genes within arrays, facilitating horizontal spread of multiple drug resistance in a range of bacterial species. The aim of this study was to estimate prevalence for class 1, 2, and 3 integrons in Scottish cattle and examine whether spatial, seasonal or herd management factors influenced integron herd status. We used fecal samples collected from 108 Scottish cattle herds in a national, cross-sectional survey between 2014 and 2015, and screened fecal DNA extracts by multiplex PCR for the integrase genes intI1, intI2, and intI3. Herd-level prevalence was estimated [95% confidence interval (CI)] for intI1 as 76.9% (67.8–84.0%) and intI2 as 82.4% (73.9–88.6%). We did not detect intI3 in any of the herd samples tested. A regional effect was observed for intI1, highest in the North East (OR 11.5, 95% CI: 1.0–130.9, P = 0.05) and South East (OR 8.7, 95% CI: 1.1–20.9, P = 0.04), lowest in the Highlands. A generalized linear mixed model was used to test for potential associations between herd status and cattle management, soil type and regional livestock density variables. Within the final multivariable model, factors associated with herd positivity for intI1 included spring season of the year (OR 6.3, 95% CI: 1.1–36.4, P = 0.04) and watering cattle from a natural spring source (OR 4.4, 95% CI: 1.3–14.8, P = 0.017), and cattle being housed at the time of sampling for intI2 (OR 75.0, 95% CI: 10.4–540.5, P &lt; 0.001). This study provides baseline estimates for integron prevalence in Scottish cattle and identifies factors that may be associated with carriage that warrant future investigation