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Why the "Brownfields" of a Seaside Town are Nature’s Secret Stronghold

Close your eyes and whisper the word "brownfield." What do you see? Most likely, your mind drifts to a landscape of industrial fatigue—the skeletal remains of a factory, soil bruised by heavy metals, or the jagged silhouette of rusted machinery against a grey sky. We are conditioned to view these spaces as scars, derelict voids waiting for the heavy hand of remediation.

But step into the salty, sun-drenched air of Sidmouth, a Devonshire town of 13,500 souls, and that definition begins to dissolve. Here, between the cry of the gulls and the rhythmic pulse of the English Channel, nature has staged a quiet coup. Within the town’s boundaries, fifteen sites technically qualify as "brownfield," yet they look nothing like a wasteland. They are vibrant, blooming, and buzzing—nature’s secret strongholds hiding in plain sight. 

The "Brownfield" Label is Broader (and Prettier) Than You Think

The Sidmouth Nature project’s survey reveals a fascinating paradox: the very places that give this seaside town its aesthetic charm are often the same ones that an ecologist might categorise as “brownfield”. To the casual visitor, a flower-rich green space is a scenic vista; to the urban ecologist, it is a habitat born of "cultivated and disturbed land."

In a town like Sidmouth, these sites are an inevitability, yet classifying them as brownfields can feel like a linguistic injustice. The term encompasses a surprising spectrum of habitats:

• Road verges and redundant railways:  These linear ribbons of land act as relatively undisturbed sanctuaries.

• Narrow herb-rich verges:  Tiny, potent pockets where the scent of wild thyme might mix with the sea breeze.

• Ephemeral and short perennial grasslands:  Scientific labels for what we perceive as the charming "weedy" corners of gardens or arable fringes.

• Amenity grassland:  The mown lawns of our public parks and playing fields.
  
  

When we look at a "brownfield" in Sidmouth, we are not looking at a failure of industry, but at the success of nature reclaiming the "interstitial" spaces—the gaps left behind by our own design.

Even Manicured Gardens Can Be Wild

Sidmouth is a town that understands the value of a first impression. Because its economy breathes with the holiday trade, many of its "Managed Sites" are kept in a state of high-gloss perfection. Places like Blackmore Gardens, the local cricket ground, and the tennis courts are manicured for the human pursuit of recreation—the sharp "thwack" of a ball, the gentle roll of a bowl.

Yet, there is a secret life to these lawns. Even in the heart of town, nature finds a foothold. The survey even includes Powys House, a private estate with no public access, where the absence of foot traffic allows nature to flourish behind closed gates.

"Despite this high level of management they still present opportunities for nature to survive, and in some cases actually thrive."

Why does nature thrive amidst the mowers? Perhaps it is the lack of industrial pesticides found in commercial farming, or the unintentional diversity provided by ornamental species. These sites prove that human utility and wild vitality are not mutually exclusive; they are roommates, negotiating space in the urban sprawl.

The Sanctuary of the "Maintained" Middle Ground

If the town parks are the "Managed" extreme, Sidmouth’s "Maintained" sites represent a gentler, more thoughtful middle ground. Here, the intervention is less intrusive, designed to let nature lead the conversation.

The Sidmouth Cemetery serves as the crowning example of this balance—a silent sanctuary where the dead provide the literal and figurative ground for the living. The data tells us that approximately 25% of its total area is grassland. In this hallowed space, the grass is allowed a little more height, and the insects a little more peace. These maintained spaces act as a bridge, offering a more stable and attractive environment for local flora and fauna than the high-traffic town centre, proving that our "utility" spaces can also be our most vital ecological corridors.

The Power of Minimal Interference

The true magic, however, happens in the "Minimal" sites—the lanes and waysides where human influence is a light touch rather than a heavy hand. In places like Dunscombe Lane or the quiet waysides of Bickwell, we see the profound impact of simply doing  less .These are sites of "natural regeneration," where the primary human intervention is a single, purposeful trim every autumn. This minimal maintenance is a masterclass in urban ecology. By holding back the mower for most of the year, these hedgerows and road verges transform into bustling ecological highways, allowing wildlife to navigate the landscape under a canopy of green. It is a reminder that sometimes the best way to manage nature is to get out of its way.

A Summary of Sidmouth’s Secret Map

To truly visualise this hidden network, one must look at the diversity of the sites themselves. This is not just a list of plots; it is a map of opportunity.

• Bickwell: Road verges and redundant railways - Wildlife corridor and seed bank 

• Connaught Garden: Cultivated and disturbed land - Pollinator haven amidst ornamentals 

• Deepway Meadow (Millennium Green):  Amenity grassland - High-diversity meadow potential 

• Dunscombe Lane: Road verges and redundant railways-  Autumn-trimmed hedgerow sanctuary

• Harpford Trailway: Redundant railway - Successional progression of hedgerow and woodland species

• Jacob’s Ladder: Cultivated and disturbed land - Coastal cliff-edge flora

• Knapp Nature Pond: Cultivated and disturbed land - Aquatic habitat and dragonfly breeding 

• Lockyer Observatory: Amenity grassland - Low-impact grassland for ground-nesting life 

• Lower Sid: Managed water flow - Riparian habitat for water-loving species

• Sidmouth Cemetery: Amenity grassland -  25% grassland; a haven for insects, lichens and mosses

• The Byes::Amenity grassland - Riverside parkland connecting town to country

A New Perspective on Our Backyards

The lesson of Sidmouth is a challenge to our vocabulary. "Brownfield" should not be a dirty word, nor a label of shame. In the context of a modern town, it is a map of our 15 hidden strongholds—the essential framework that allows the wild to persist in a human-dominated world.

As you walk through your own neighbourhood, look past the "manicured" surfaces. Look at the road verge, the cemetery grass, and the park perimeter. Are these merely ornaments for our comfort, or are they the most important natural habitats we have left? Perhaps it is time we stopped seeing "waste" and started seeing the wild.