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Introduction to the Ramsar Convention on Wetlands
… is the Baltic Sea, which is the largest body of brackish water in the world and contains many unique habitats that … merchant vessels up-taking and discharging water used for ballast tanks, which mainly serve to ensure a vessel’s … of accidental introduction of alien species through ballast water are experienced throughout the globe. For …
Urban Protected Areas: Profiles and best practice guidelines
… plantations, the mountains eroded, endangering the city’s water supply. When they were reforested, recreational use was … and three other invasive snakes (USFWS, 2012). 11.5 Ballast water The ballast tanks of ships are the main pathways for invasions of …
In the front line : Shoreline protection and other ecosystem services from mangroves and coral reefs
… 18 Water … such as nitrogen and phosphorus deplete oxygen in the water and promote the growth of algae on reefs (Hughes et … invariably results in sediment being stirred into the water column. This reduces light penetration, may directly … immense distances on the hulls of vessels or in ballast water. Non-indigenous sessile species have been …
European Union overseas coastal and marine protected areas - overview of coastal and marine conservation efforts in the European Union's overseas countries and territories and outermost regions
… measuring the breadth of the territorial sea) is the low-water line along the coast as marked on large- scale charts … part II, section 2) The territorial sea is a belt of water not exceeding 12 nm in width measured from the … Some people believed that lionfish escaped when ships’ ballast tanks were emptied during the 1980s Other theories …