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Trough. Land between slopes or slopes through which water circulates or can circulate during flood periods.
Gross value added. Difference in value between raw materials and the product.
Limit value. Maximum allowable levels for discharges (quantities discharged per unit of time), for concentrations of substances in a discharge or in the environment (air or water), or in consumer products.
Guide values. Values ​​lower than limit values, and that are considered appropriate or desirable.
Vanadium. chemical element of group VIII of the periodic table. Atomic number 23 and atomic mass 50.942. It is a ductile and malleable metal. It is used in the manufacture of steel for its resistance, ductility and hardness. V symbol.
Watt. Unit of electrical power equivalent to one joule per second. Abreviatura v.
Veda. Cessation of hunting or fishing activity for a certain period. Closed seasons are administratively decreed to protect resources from overexploitation.. They usually have a periodic nature and can affect one or several species.
Fishing fence. Maritime region or continental waters affected by a closure, that is, by a prohibition, temporal o no, fishing for a specific species or group of species or for all.
River ban. River section affected by a ban, that is, by a fishing ban for one species or group of species or for all.
chasmophytic vegetation. Vegetation formed by plants whose roots grow in the filling material of the cracks in the substrate.
Climatic vegetation. Climax plant community. It is the final stage, stable and in balance with the environment, of ecological succession, which is the series of stages that occur after the colonization of an environment by the pioneer community.
Halophytic vegetation. Made up of plants that tolerate different levels of salinity. Frequent in low coastal areas with marshes and salt marshes and in inland salt lagoons.
Nitrophilous vegetation. Vegetation formed by plants that grow in nitrogen-rich environments, as are many areas of human influence.
riparian vegetation. Typical vegetation on the banks of rivers and streams. Marking the water courses, This vegetation gives rise to linear formations of landscape and climatic interest.. Transversely, vegetation zones can be distinguished ranging from partially submerged plants, to the tree and shrub formations of the gallery forest.
controlled landfill. Waste disposal facility used for the controlled disposal of waste on the surface or underground.
Uncontrolled landfill. Place to dump waste materials in which no environmental protection measures are taken.
Dump. Place where waste of urban or industrial origin is deposited. It may just be an uncontrolled accumulation, with the consequent fire risks, health and environmental, or from a controlled facility or landfill where waste receives some type of treatment or storage.
Poured. Action and effect of pouring. In its environmental impact, it is used to designate the waste stream., whether they are liquid, solid or gaseous, that is introduced into the environment.
Travelers entering hotel establishments. They are counted through the number of people who register at the establishment during the reference period.. The number of travelers entering establishments is not necessarily equal to the number of travelers, since the same person registers every time they arrive at a different establishment, even within the same trip.
Glass. Solid material with amorphous structure, i.e., They have disordered particles like liquids, unlike the ordered internal structure., periodic, characteristic of the solid state, Therefore, glasses can be considered as subcooled liquids.. They can be natural (volcanic glass) or artificial.
Nursery. Land and facilities dedicated to the germination and growth of plants intended for subsequent use in plantations and forest repopulation.