national park. snorkeling and looking is allowed. touching is strictly forbidden. schlÖnvoigt points to the marino ballenaional park as a good example. here, authorities were able to get local residents on board years ago, but only after dealing with angry protests. the fishermen were worried about their livelihoods. >> a guard station was burned down in 1994. we don't know who did it. maybe it was because of a conflict of interest. but today, the fishermen from the 1990's work as tour guides. >> there are only a few fishing boats now, out along the edge of the national park. most of the fishermen have retrained as tour guides and their new careers have changed the way they think. >> it used to be that the national park meant that we weren't allowed to fish. but later, and thanks to the training, we changed our minds. we now look at nature in a new way. >> by taking tourists on whale watches, the former fisherman now earns three times as much as he used to. but in a nearby mangrove swamp, things aren't looking so good. there are dead trees marring the idyll. >> why are these trees here so bare? what happe

national park. snorkeling and looking is allowed. touching is strictly forbidden. schlÖnvoigt points to the marino ballenal park as a good example. here, authorities were able to get local residents on board years ago, but only after dealing with angry protests. the fishermen were worried about their livelihoods. >> a guard station was burned down in 1994. we don't know who did it. maybe it was because of a conflict of interest. but today, the fishermen from the 1990's work as tour guides. >> there are only a few fishing boats now, out along the edge of the national park. most of the fishermen have retrained as tour guides and their new careers have changed the way they think. >> it used to be that the national park meant that we weren't allowed to fish. but later, and thanks to the training, we changed our minds. we now look at nature in a new way. >> by taking tourists on whale watches, the former fisherman now earns three times as much as he used to. but in a nearby mangrove swamp, things aren't looking so good. there are dead trees marring the idyll. >> why are these trees here so bare? what happened?