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The Developer's Podcast

Is this the year of the landscape architect?

53 min episode · 2 min read
·
Carolyn Gula

Episode

53 min

Read time

2 min

Topics

Leadership, Software Development, Science & Discovery

AI-Generated Summary

Key Takeaways

  • Sustainable Drainage Systems (SuDS): Mandatory from early 2024, SuDS keep rainwater on-site through ponds and streams rather than underground pipes, delaying water release over weeks to prevent flooding while creating wildlife habitats and reducing maintenance costs through accessible surface features.
  • Biodiversity Net Gain Legislation: Developers must now calculate and deliver measurable increases in wildlife habitat on development sites, placing nature at the heart of planning for the first time and preventing developers from avoiding environmental contributions through alternative compromises.
  • Urban Tree Management: Private land accounts for the majority of tree loss, not public spaces. Successful urban forestry requires planting multiple trees anticipating 20% survival rates, using larger species like oaks and limes despite higher maintenance costs, and planning 50-100 year maturity timelines.
  • Heritage Garden Climate Adaptation: National Trust properties face new pests like box moth caterpillar and drought stress requiring peat-free compost, electric machinery to reduce carbon footprint, quarantine areas for new plants, and replacement of historic plantings with pollinator-rich drought-tolerant species.

What It Covers

Carolyn Gula, president-elect of the Landscape Institute, explains how new UK legislation for biodiversity net gain and sustainable drainage systems elevates landscape architecture's role in climate adaptation and urban development.

Key Questions Answered

  • Sustainable Drainage Systems (SuDS): Mandatory from early 2024, SuDS keep rainwater on-site through ponds and streams rather than underground pipes, delaying water release over weeks to prevent flooding while creating wildlife habitats and reducing maintenance costs through accessible surface features.
  • Biodiversity Net Gain Legislation: Developers must now calculate and deliver measurable increases in wildlife habitat on development sites, placing nature at the heart of planning for the first time and preventing developers from avoiding environmental contributions through alternative compromises.
  • Urban Tree Management: Private land accounts for the majority of tree loss, not public spaces. Successful urban forestry requires planting multiple trees anticipating 20% survival rates, using larger species like oaks and limes despite higher maintenance costs, and planning 50-100 year maturity timelines.
  • Heritage Garden Climate Adaptation: National Trust properties face new pests like box moth caterpillar and drought stress requiring peat-free compost, electric machinery to reduce carbon footprint, quarantine areas for new plants, and replacement of historic plantings with pollinator-rich drought-tolerant species.

Notable Moment

Bradford Metropolitan District Council used NHS health data and university research to map communities with both green space deprivation and severe health problems, then prioritized landscape interventions in those specific neighborhoods to maximize public health impact with minimal funding.

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Episode Transcript

Welcome to the developer podcast, where we talk about how to make cities worth living in, which often has to do with the spaces between the buildings, as much as the buildings themselves. My name is Christine Murray and I'm the founding editor in chief of the developer and the director of the Festival of Place. Our ambition is to break down silos and bring people together to unpick what makes places that thrive. With new legislation for mandatory biodiversity net gain and sustainable urban drainage on new development sites, the role of the landscape architect has become more necessary than ever. But this field of study has long been critical to the more intelligent use of land in the face of a changing climate. Today, I'm talking to Carolyn Gula, a landscape designer, horticulturalist, and president-elect of the landscape institute who has worked with the National Trust and several local authorities on strategic projects to improve the environment and the health and well-being of citizens. From reducing the carbon footprint of garden machinery to combating new pests, dealing with stormwater runoff and surface water, and adapting historic landscapes, we talk about what this often misunderstood profession can bring to our places. Yes. I'm a landscape architect, chartered at the Landscape Institute. I'm also a horticulturist, and I'm currently the president-elect of the Landscape Institute, and also working as a chartered landscape architect, as a sort of employee as well as self employed at the moment. So one thing I hear a lot is that people don't understand what landscape architects are. You've also mentioned another term there, which is a horticulturalist. Can you tell me a little bit what's a landscape architect, what's a horticulturalist, and what is the confusion that we have in the profession about this role? Yes. It's an interesting question, actually, and we probably could spend hours on this. But horticulturist is mainly a person who knows about plants and how to grow them in gardens and parklands and wider, green spaces and, also manages, spaces for the beauty, of the landscape or for commercial elements. So for example, vegetable growing, very important, and to really sort of understand how to grow them, whether they're small seedling to cutting, right up to becoming a mature perennial plant or annual plant or tree or shrub or such. And the skills are quite multifold. And, yeah. And a chartered landscape architect is really a person who has sort of studied, design, or management, or maybe the science of landscape or urban design or parks management and these sort of things. And it's accredited route, which really ensures, that the professional standards are really high, and also that we are really good entities to employ by clients, which could be quite diverse with their local authorities or private clients or charities or, you know, big institutions as such, and redevelop landscapes, whether it's a window box or small garden, right up to your parks, around the corner, play …

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