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

area used as a sample of a larger region.

tape or string laid along the ground in a straight line between two structures, used to measure the distribution of organisms in the area (transect).

a path from which an observer records the apparent gradient of change in animal or plant species: which, where, numbers, densities.

a line drawn between points and then used to investigate changes in surface features along that line.

A risk measure illustrating changes in individual risk with distance from the source of the risk such as a transportation route.

(L: trans=across/beyond; secare=to cut; sect=cut; cross-cut) a line or strip of vegetation selected for monitoring communities and how they change over time.

(v) cut across or divide transversely

a pre-established line or zone used for sampling biological communities.

A regular weekly walk that follows a fixed route through a butterfly habitat. The route is divided into sections, each representing a different sub-habitat. The butterflies seen in each section are co [..]

A straight line or narrow cross section along which observations or measurements are made.

a monitoring research technique that marks a transverse along which measurements can be taken