The sights of a post-Winter Storm Fern world, in the form of stumps and brush piles, linger. So too do the sounds, especially those of chain saws echoing across Nashville’s neighborhoods. Both are unlikely to end anytime soon. That’s because springtime is showing damage to trees that at first blush came through the storm OK. Assessment, pruning and/or removal will be a fact of life for tree owners for months to come.