| http://www.w3.org/ns/prov#value | - Editor | July 9, 2012 Whether kayaking in the Iber?? Marshes in Argentina or bird-watching at Ba-Be Lake in Vietnam, tourists are providing income for the conservation of wetlands worldwide, as demonstrated in a new publication launched by the Ramsar Secretariat and UNWTO. Besides providing essential services such as water, food and energy, wetlands offer significant opportunities for tourism, whi
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