Tag: human settlement

An irrigation ditch, specifically the gravity-fed earthen channels that distribute water from a river or spring to fields and gardens throughout the arid American Southwest. Acequias are not just infrastructure — they are community institutions, governed by elected mayordomos, maintained by shared labor, and central to the social life of the villages they serve. Some have been in continuous use for over 400 years.

Sun-dried brick made from a mixture of clay-rich soil, water, sand, and straw — one of the oldest building materials in the world. Also the name for the clay soil itself. Adobe construction is found wherever the climate is dry enough for the bricks to cure and the soil has the right proportion of clay: the American Southwest, northern Mexico, North Africa, the Middle East, and the Sahel. An adobe wall breathes with the day — absorbing heat in the morning, releasing it at night — and returns to the earth it came from when abandoned.

A raised mound or ridge of earth, usually elongated and flat-topped, built to direct water, block wind, provide a barrier, or create an elevated planting surface. Berms are the counterpart of swales — the dirt excavated from the ditch becomes the mound beside it. The word applies to everything from medieval fortification earthworks to highway medians to the paired mounds flanking a permaculture swale.

 A mound of stacked stones, built by human hands for any of a dozen purposes — marking a trail, commemorating the dead, indicating a summit, claiming territory, honoring a place, or simply because stacking stones is one of the oldest human impulses. Cairns range from knee-high trail markers to massive Bronze Age burial mounds. They are found on every continent where there are rocks and people.

 A terraced hill — an isolated, often volcanic hill whose slopes have been shaped with stone retaining walls and platforms by pre-Hispanic peoples of the Sonoran Desert and northwest Mexico. The terraces served as house platforms, garden plots, water-catchment surfaces, and possibly defensive positions. Hundreds of these sites exist from Durango to southern Arizona, some over 3,000 years old, representing one of the longest-lived architectural traditions in North America.

A small, low dam built across a drainage channel or wash to slow the flow of water, reduce erosion, and allow sediment to settle and moisture to percolate into the soil. Check dams can be made of stone, brush, logs, or earth. They are among the simplest and oldest water-harvesting structures — Indigenous peoples of the Southwest built them for millennia, and permaculture practitioners use the same principle today.

 An underground or above-ground tank for collecting and storing rainwater. Cisterns are among the oldest water-harvesting technologies — ancient examples exist across the Middle East, the Mediterranean, and the American Southwest. In arid landscapes, a cistern can be the difference between habitation and abandonment. The word carries the weight of scarcity — you build a cistern because rain is rare and precious.

An area of forest where every tree has been felled in a single operation, leaving behind a field of stumps, slash, and exposed soil. The word describes both the practice and the result. From above, clearcuts appear as sharp-edged geometric patches — rectangles and polygons — imposed on the organic curves of the forest. They are the most visible marks that industrial forestry leaves on the land.

To cut a broadleaf tree close to the ground and let it regrow from the stool in multiple straight stems. The oldest form of woodland management — a coppiced hazel stool can live for centuries, perhaps indefinitely, regrowing every twelve to sixteen years. The cut wood was the fuel, fencing, and building material of preindustrial life. Also the woodland itself managed this way: a coppice.

A route along which the dead were carried to burial at a parish church, sometimes over miles of moorland. Some have flat resting stones on the uphill side for setting down the load, or recessed stones in alcove walls. Also: lichway, coffin path. The dead had a right of way.

An unofficial path worn into being by repeated foot traffic, cutting across planned routes. Found in every city on earth. A geographic graffiti pointing out the failure to predict human need. In Japan: kemonomichi. In France: chemin de l'âne. In Holland: olifantenpad, elephant path.

An informal trail worn into the ground by repeated foot traffic, diverging from the designed or official route because people instinctively find a more direct or comfortable way. Desire paths appear across lawns, through parks, between buildings, and along hillsides wherever the official infrastructure doesn't match how people actually move. They are the landscape's record of collective preference.

A fence built in open rangeland not to enclose an area but to direct the movement of livestock, channeling them toward water, corrals, or a specific part of the range. Drift fences work with the animals' natural tendency to drift with the wind or toward water — they don't confine, they guide. Remnants of old drift fences mark the desert and grassland landscape of the West, their posts weathered to silver.

A wide path along which livestock were herded to market, sometimes across hundreds of miles. In Spain: cañada. In Scotland: a stance marks where drovers halted their cattle for the night. Drove roads are among the oldest long-distance routes in the landscape, older than most of the towns they connect.

A dry-stone wall built without mortar — each stone fitted by hand, held by gravity and the skill of the builder. In Scotland, dykes divide fields, mark boundaries, and provide shelter from the wind. Also a geological term: a sheet of igneous rock that cuts across existing strata.

The marginal, often overlooked zones between urban and rural landscapes — the scrubby wasteland, the industrial fringe, the places that are neither city nor countryside. Neglected by planners but rich in wildlife, weeds, and strange beauty.

Literally "wind-water" — the ancient Chinese practice of reading landscape for the flow of qi. It's used for locating buildings, tombs, and cities according to the shape of terrain, direction of water, shelter of hills, and exposure to wind. Feng shui is landscape literacy, the systematic observation that some places feel right and others don't, and that the feeling has to do with how wind and water move across the ground.

The Aboriginal Australian practice of constant, precise, small-scale burning to manage landscape — clearing understory, encouraging new growth, driving game, maintaining open woodland. Recognized as agriculture only in retrospect by cultures that couldn't see farming without plows. The fire-stick was the tool; the landscape was the garden.

A strip of land cleared of vegetation to slow or stop the advance of a wildfire. Firebreaks can be narrow hand-cut lines scratched through duff to mineral soil, or wide bulldozed swaths carved through forest. They work by removing fuel — if the fire has nothing to burn, it stops. In practice, the contest between fire and firebreak is rarely so clean.

A shallow place in a river or stream where the water is low enough to cross on foot, on horseback, or by vehicle. Fords determined where roads went, where settlements grew, and where battles were fought. Before bridges, they were the points of connection between one side and the other — the seams in the landscape where travel was possible.

 A large design or motif made on the ground by arranging stones, scraping away surface material, or shaping earth — generally too large to be read from the ground and only fully visible from the air. The Nazca Lines of Peru are the most famous, but geoglyphs are found on every inhabited continent, from the chalk figures of southern England to the stone-lined "Works of the Old Men" across Arabia to the Amazon rainforest clearings now being revealed by deforestation.

In the Southwest, a small stone storage structure built into cliff alcoves by Ancestral Puebloans, sealed with mud mortar, tucked into places where moisture and rodents couldn't reach the stored corn and squash. Some still contain corncobs. The architecture of scarcity — you build a granary because the harvest is seasonal and hunger is not.

 A sunken fence or wall set in a ditch, invisible from the house side, that prevents livestock from approaching a manor or garden while preserving an uninterrupted view of the landscape beyond. The ha-ha creates the illusion that the lawn flows seamlessly into the parkland — no barrier visible, just a sudden, hidden drop. The name supposedly comes from the exclamation of surprise upon discovering the ditch.

A linear barrier of densely planted shrubs and trees, maintained by regular cutting and laying, that serves simultaneously as a fence, a windbreak, a wildlife corridor, a boundary marker, and a living archive of the land's history. Some English hedgerows are over a thousand years old. The species composition of a hedgerow can be used to estimate its age — roughly one new species per century.

Dense rows of shrubs and trees forming field boundaries — planted centuries ago, now among the richest wildlife corridors in settled landscapes. A hedgerow is a linear forest: songbirds, dormice, wildflowers, and insects compressed into a strip three feet wide.

A sunken lane grooved into soft earth over centuries by the passage of feet, wheels, and weather. Some twenty feet deep, now overgrown with brambles and nettles. Time pleated back on itself — in the dusk of a holloway, discontinuous moments feel coexistent.

House. Not specifically a snow house — in Inuktitut, any dwelling. The snow house that English speakers call an igloo is more precisely an iglu built from wind-packed snow blocks, an engineering solution so elegant it turns the coldest material on earth into shelter.

 A specific type of geoglyph made by scraping away the dark surface layer of desert pavement to expose the lighter soil beneath, creating a sunken image outlined by the displaced rocks. The technique produces figures that are effectively carved into the earth's skin. The Blythe Intaglios along the Colorado River — human figures up to 171 feet long — were not seen by non-Indigenous people until a pilot spotted them from the air in 1931.

A sealskin boot — sewn by hand, waterproof, insulating, and designed for Arctic conditions. The boot that makes life on ice possible. Each pair is made by a specific person for a specific foot.

The dry landscape garden: raked gravel standing for water, stones for mountains, moss for forest. A landscape made entirely of the idea of landscape — the most compressed form of the Japanese attention to nature. An ocean in a courtyard. Ryōan-ji in Kyoto is the most famous example: fifteen stones on white gravel, and no matter where you stand, one stone is always hidden.

A circular, partly underground ceremonial room in Ancestral Puebloan architecture, entered by ladder through a hole in the roof. The sipapu — a small hole in the kiva floor — represents the place of emergence from the world below. A kiva is not a ruin; many are still in active ceremonial use in the pueblos of New Mexico and Arizona.

The commoner's traditional right to cut the branches (lop) and tops of trees in common woodland for firewood and building material. The phrase names the specific cuts: the side branches and the crown. This was the fuel that fired preindustrial England.

A concave stone slab used for grinding corn, worn smooth by generations of use with a hand-held grinding stone called a mano. Found in archaeological sites across the Southwest, often in alcoves where the light is good and the wind is blocked. A metate is a kitchen counter made of bedrock and shaped by ten thousand meals.

A fertile area in a desert where water reaches the surface — from a spring, a well, or a shallow water table — and sustains vegetation in an otherwise barren landscape. An oasis is not a mirage; it is the real thing, and its reality is what makes the mirage cruel. Oases have determined the location of trade routes, settlements, and civilizations across the Sahara, the Arabian Peninsula, and Central Asia for millennia. Some, like the Nile valley itself, are enormous; others are a single spring and a handful of palms.

The right to turn pigs into a forest in autumn to feed on beechmast and acorns — a way of sweeping the forest floor of early green acorns that would poison cattle or deer. The rights of pannage still exist in the New Forest. The word names both the practice and the legal right to practice it.

 An image carved, pecked, or incised into rock — the rock itself is the medium, and the mark is made by removing material from its surface. Petroglyphs are found worldwide, from the desert varnish panels of the American Southwest to Scandinavian Bronze Age carvings to Aboriginal rock art in Australia. They are among the oldest surviving human marks on the landscape.

 An image painted onto a rock surface, usually with pigments made from mineral oxides, charcoal, or plant materials mixed with animal fat or water. Pictographs are more fragile than petroglyphs — exposed to weather, they fade and flake over centuries. The ones that survive are often found in sheltered alcoves and overhangs, protected by the rock itself.

A tree or stem partially cut through near the base and bent over to form part of a laid hedge, kept alive by a hinge of bark and sapwood through which the sap still flows. The pleacher must always slope upward — the river of sap will only flow uphill. The tensile strength of a plashed hedge is the sum of the imparted energy of the hedger.

A tree cut at head height rather than at the ground, producing a crown of regrowth above the reach of browsing animals. Pollards are the ancient trees of wood-pastures and commons — cut repeatedly over centuries, they develop massive, hollow trunks and gnarled, fist-like crowns. A pollard can live far longer than an uncut tree of the same species because the cycle of cutting and regrowth keeps it in a state of perpetual youth.

An open-sided shade structure — a roof without walls. In the desert the roof is the essential thing; walls are optional. The simplest architecture: shade.

The remains of a human-built structure after it has been abandoned and partly destroyed by time, weather, and neglect. The word implies both destruction and persistence — what is left is what was strong enough to survive. Ruins are landscape features as much as architectural ones; they are absorbed back into the ground they were built from, becoming part of the terrain.

Borrowed scenery — the garden design principle of incorporating a distant landscape into the composition of a garden as if it belongs to the garden. A mountain beyond the wall becomes part of the view; a hedge provides the "cutting device" that separates foreground from borrowed distance, and the sharp line paradoxically pulls them together. The original Japanese term was ikedori — "captured alive." You don't reproduce the mountain; you claim it.

A stone-built shelter used during summer grazing months on the Hebridean or Highland moor. The journey to the shieling alone was a coming-of-age moment for a child. The paths to shielings were cairned onto the moor as guide-lines through the bog.

 A structure built into or over a fence or wall that allows people to pass through while keeping livestock enclosed. Stiles come in many forms — stone steps, wooden ladder steps, squeeze gates, kissing gates — and are among the most quietly civilized features of the rural English and Welsh landscape. They are invitations: the land beyond is open to you on foot, but the animals stay put.

 A shallow, elongated depression in the landscape — either natural or human-made — that collects and infiltrates water. In permaculture and land management, a swale is a ditch dug along a contour line with a berm on its downhill side, designed to capture rainwater and let it soak into the soil rather than running off. The word applies equally to natural low spots in coastal dunes and to carefully engineered earthworks.

Slash-and-burn cultivation — fell the forest, burn it, plant in the ash, move on when the soil is spent. The ash is the fertilizer; the clearing is the field. Swidden is the oldest and most widespread form of agriculture on earth, and in tropical forests it can be sustainable at low population density.

A sharp, reversing turn in a trail or road ascending a steep slope, zigzagging back and forth to reduce the gradient. Switchbacks trade distance for steepness — you walk farther but climb more gently. They are the engineering solution to the problem of gravity on foot, and they shape how we experience mountains: slowly, in lateral traverses, with the view changing at every turn.

A level or nearly level surface cut into a slope, creating a step in the hillside. Terraces have been used for agriculture on every inhabited continent — from the rice terraces of Bali and the Philippines to the Inca andenes of Peru to the dry-farmed slopes of the Mediterranean. They turn gravity from an enemy into a tool, holding soil and water in place on ground that would otherwise shed both.

 A circle of stones on the ground marking where a tipi once stood — the rocks that held down the edges of the hide cover, left in place after the structure was taken down and the people moved on. Tipi rings are found across the Great Plains by the thousands, sometimes clustered in groups that indicate seasonal camps used repeatedly over generations. They are among the most understated and moving marks on the American landscape — just a ring of stones in the grass, and a whole way of life implied.

The seasonal movement of grazing animals — and the people who tend them — between lowland winter pastures and highland summer pastures. Not nomadism; transhumance is a fixed annual circuit between two known places, the rhythm of the year written into the movement of flocks.

The elevated temperatures in a city compared to the surrounding countryside, caused by impervious surfaces absorbing and re-radiating solar energy, waste heat from buildings and vehicles, and the absence of vegetation. A city can be 5–10°F warmer than the farmland around it. The city makes its own climate, and it's hotter.

 A low dam built across a river to raise the water level, regulate flow, or divert water into a channel. Unlike a dam, a weir is designed to be overtopped — water flows over it continuously. Weirs create a smooth, glassy lip of water that spills into turbulence below. They are ancient structures — some of the oldest human modifications of rivers.

A line of trees, shrubs, or constructed fencing planted or erected to reduce wind speed and protect soil, crops, livestock, or buildings on the leeward side. Windbreaks are landscape features that shape the microclimate for hundreds of feet downwind — they reduce evaporation, prevent soil erosion, trap snow for moisture, and create shelter for wildlife. The Great Plains shelterbelt program of the 1930s planted 220 million trees in windbreaks stretching from Texas to North Dakota.