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Douglas Harper's Etymology Dictionary
transect

"to cut across," 1630s, from Latin trans- "across" (see trans-) + sectus, past participle of secare "to cut" (see section (n.)). Related: Transected; transecting.

Wiktionary
transect

n. a path along which a researcher moves, counts and records his observations vb. (context transitive English) to divide something by cutting transversely

Wikipedia
Transect

A transect is a path along which one counts and records occurrences of the species of study (e.g. plants).

It requires an observer to move along a fixed path and to count occurrences along the path and, at the same time (in some procedures), obtain the distance of the object from the path. This results in an estimate of the area covered and an estimate of the way in which detectability increases from probability 0 (far from the path) towards 1 (near the path). Using the raw count and this probability function, one can arrive at an estimate of the actual density of objects. The estimation of the abundance of populations (such as terrestrial mammal species) can be achieved using a number of different types of transect methods, such as strip transects, line transects, belt transects, point transects and curved line transects.

Transect (urban)

The urban-to-rural transect is an urban planning model created by New Urbanist Andrés Duany. The transect defines a series of zones that transition from sparse rural farmhouses to the dense urban core. Each zone is fractal in that it contains a similar transition from the edge to the center of the neighborhood. The transect is an important part of the New Urbanism and smart growth movements. Duany's firm DPZ has embodied the transect philosophy into their SmartCode generic planning code for municipal ordinances.

The importance of transect planning is particularly seen as a contrast to modern Euclidean zoning and suburban development. In these patterns, large areas are dedicated to a single purpose, such as housing, offices, shopping, and they can only be accessed via major roads. The transect, by contrast, decreases the necessity for long-distance travel by any means.

Usage examples of "transect".

A sudden, startling white-light image showed living, breathing Siamese twins, impossibly transected to expose raw pink-and-gray muscles working side-by-side with shape-memory alloys and piezoelectric actuators, flesher and gleisner anatomies interpenetrating.

The town of Quorum was roughly twenty-five streets wide, transected by five big boulevards that ran east and west.

A dazzling beam of blue-white light no thicker than a flaxen thread sprang forth from the pro-trading nozzle, and Orogastus manipulated the device slowly so that the ray transected the royal limb, moving in a deep V-shape.

She had crossed and recrossed a creek that must have transected the entire installation, but that seemed to be the only moving thing on the entire reservation.

The place appeared to be utterly deserted though there was signs of recent footsteps on the snow-covered paths that transected the overgrown lawn of the quadrangle.

Quorum was roughly twenty-five streets wide, transected by five big boulevards that ran east and west.

I saw the wings around us again, the high rafters, the walls of scenery transecting the darkness, and beyond, the little blaze along the foot of the dusty stage.

They had taken that path, and eventually came to another transecting it.

Faster than she could register, he snap-slung the coils in transecting arcs through the air.

On both, the line passed across the face, transecting the orbit of the eyes deadcenter and continuing across the bridge of the nose.

And then, as Ostrogall had promised, a fissure, transecting our descent, stopped our plunge.

In reality, lion transects were simply places chosen to look for lion sign to find out, often, where the lions were not.

Soon the bejewelled procession will be clear of the old district and will be visible riding this way over the old stone road that transects the mile of desert between old Cairo and the Citadel.