C Text of the 1997 UNWatercourses Convention 46Part I | Scope (Articles 1-4) 66Article 1 | Scope of the present Convention 671.1 Commentary 671.1.1 Scope overview 671.1.2 Geographical boundaries and water use 681.1.3 Functional scope 681.1.4 Living resources 691.1.5 Navigation 691.2 Application 691.2.1 Legal and physical scope – watercoursesystem components and use 711.3 Additional reading 74Article 2 | Use of Terms 752.1 Commentary 752.1.1 Watercourse 772.1.2 International watercourse 782.1.3 Ecosystem approach 782.1.4 Groundwater 792.1.5 Scope of parties – watercourse stateand others 842.1.6 Regional economic organisations 852.1.7 Natural and legal persons 852.2 Application 852.2.1 Scope scenario – Which land based wateruse activities are covered by the Convention? 862.3 Additional reading 86