drift net fishing The use of fishing nets of great length and depth, aptly described as "walls of death" because of the huge numbers of marine mammals, birds, and turtles that became ensnared in them. The Tarawa Declaration of 1989 formulated at the 20th South Pacific Forum, aimed at banning drift netting in the South Pacific. In June 1992 the UN banned drift netting in all the world's oceans
netting policy All emission sources in the same area that are owned or controlled by a single company are treated as one large source, thereby allowing flexibility in controlling individual sources in order to meet a single emissions standard; emissions trading(negociación de emisiones)
sewerage system System of pipes, usually underground, for carrying waste water and human waste away from houses and other buildings, to a place where they can be safely get rid of
biotope network Intersection of corridors connecting patchy ecological communities. Species survival tends to be higher in patches that have higher connectivity
municipal heating network System of heating all houses in a urban district from a central source (as from hot springs in Iceland or by cooling water from a power station)
electronic information network A system of interrelated computer and telecommunications devices linked to permit the exchange of data in digital or analog signals
environmental information network A system of interrelated persons and devices linked to permit the exchange of data or knowledge concerning natural resources, human health and other ecological matters
wide area network A system of interrelated computer and telecommunications devices linking two or more computers separated by a great distance for the exchange of electronic data
hydrographic network The configuration or arrangement in plan view of the natural stream courses in an area. It is related to local geologic and geomorphologic features and history. Synonym: drainage pattern
