Well, sinking old scows offshore to make artificial reefs has worked out pretty well. Honestly most of the times that humans try to meddle in ecologies, as opp

Well, sinking old scows offshore to make artificial reefs has worked out pretty well. Honestly most of the times that humans try to meddle in ecologies, as opposed to trying to do something else without thinking about ecologies at all, it tends to go all right? I can think of a few cases with huge negative effects and basically everything that anybody ever does will have some small negative effect but when people try to get it right it tends to go pretty ok.