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LTSER-Sabor - Portugal |
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Mapimi - Mexico |
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Matsch-Mazia proglacial area - Italy |
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McMurdo Dry Valleys LTER - Antarctica |
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Mullwitzkees - Austria |
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Namaqua National Park, Skilpad Wildflower Reserve - South Africa |
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National Park Bavarian Forest - Germany |
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National Park Berchtesgaden - Germany |
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National Park Hunsrück-Hochwald - Germany |
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Oberes Stubachtal - Austria |