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| Terms for subject Environment (5949 entries) |
| ibai | river (A stream of water which flows in a channel from high ground to low ground and ultimately to a lake or the sea, except in a desert area where it may dwindle away to nothing. A river and all its tributaries within a single basin is termed a drainage system) | |
| ibai-arroen garapen | river basin development (Any growth, maturation or change in an area of land drained by a river and its tributaries) | |
| ibai-baliabideak | fluvial resource (Any source of supply derived from a river, particularly its water, which is collected, stored and treated, then distributed for domestic, industrial, farm and other uses) | |
| ibai-nabigazio | inland navigation (The navigation of inland waterways, i.e. navigable rivers, canals, sounds, lakes, inlets, etc.) | |
| ibai-ohe | river bed (The channel containing or formerly containing the water of a river) | |
| ibai-poluzio | river pollution (The direct or indirect human alteration of the biological, physical, chemical or radiological integrity of river water, or a river ecosystem) | |
| ibai-ur | river water (Water which flows in a channel from high ground to low ground and ultimately to a lake or the sea, except in a desert area where it may dwindle away to nothing) | |
| ibaien bideratze | river channelling (The alteration of a natural stream by excavation, realignment, lining or other means to accelerate the flow of water) | |
| ibaien kudeaketa | river management (The administration or handling of a waterway or a stream of flowing water) | |
| ibaiertz | bank (The sloping side of any hollow in the ground, especially when bordering a river; land) | |
| ibaiertzeko landaretza | riverside vegetation (Plants growing in areas adjacent to rivers and streams) | |
| ibaietako arrantza | inland fishery (Fishing grounds located in lakes, streams, etc.) | |
| ibaiko garraio | river transport (Transportation of goods or persons by means of ships travelling on rivers) | |
| ibaira isurtze | river disposal (Discharge of solid, liquid or gaseous waste into a river) | |
| ibar | valley (Any low-lying land bordered by higher ground; especially an elongate, relatively large, gently sloping depression of the Earth's surface, commonly situated between two mountains or between ranges of hills or mountains, and often containing a stream with an outlet. It is usually developed by stream erosion, but may be formed by faulting) | |
| ibilbide | route (Any established or selected course for passage or travel) | |
| ibilbide | trajectory (The path described by an object moving in air or space under the influence of such forces as thrust, wind resistance, and gravity, especially the curved path of a projectile) | |
| ibilbide didaktiko | educational path (A guided trail, designed to explain to children a piece of countryside, the type of soil, flora, fauna, etc. Such trails may be self-guiding, using either explanatory notices set up at intervals or numbered boards referring to a printed leaflet: in other cases parties may be led by a demonstrator or warden) | |
| ibilbide-plangintza | route planning (The activity of designing, organizing or preparing for the construction of boulevards, turnpikes, highways and other roads) | |
| ibilgailu | vehicle (Any conveyance in or by which people or objects are transported) |