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Principles and concepts of international environmental law (Part 2) - extract from InforMEA e-learning course
… Navigational Uses of International Watercourses requires watercourse states to “...take all measures necessary to … of species, alien or new, into an international watercourse which may have effects detrimental to the ecosystem of the watercourse resulting in significant harm to other …
Judicial handbook on environmental law
… an important contribution in this regard by defining a watercourse as a system of surface waters and groundwaters … Uses of International Watercourses confirms that watercourse states shall, individually and, where … Watercourses (New York May 21, 1997) provides that watercourse states shall take all measures necessary to …