▁who ▁particip ate ▁in ▁other ▁coast al ▁activities . ▁W yles ▁et ▁al . ▁( 2 0 1 7 ) ▁studied ▁the ▁impact ▁various ▁coast al ▁activities - ▁beach ▁clean ing , ▁rock ▁pool ing , ▁and ▁walking ▁on ▁the ▁beach - ▁had ▁on ▁well ▁being ▁and ▁discovered ▁that ▁all ▁three ▁led ▁to ▁a ▁similar ▁better ment ▁in ▁m ood . ▁However , ▁individuals ▁who ▁participated ▁in ▁beach ▁clean ing ▁described ▁a ▁more ▁inten se ▁sense ▁of ▁ful fill ment ▁when ▁compared ▁to ▁the ▁groups . ▁ ▁While ▁further ▁research ▁has ▁not ▁been ▁completed ▁on ▁the ▁mental ▁and ▁emot ional ▁benefits ▁of ▁beach ▁clean ing , ▁volunte ers ▁who ▁promote ▁environmental ▁ste ward ship ▁have ▁reported ▁improvements ▁in ▁their ▁well ▁being . ▁ ▁Public ▁eng agement ▁and ▁collection ▁methods ▁ ▁A ▁study ▁conducted ▁in ▁Catal onia ▁in ▁the ▁late ▁ 1 9 9 0 s ▁found ▁that , ▁on ▁the ▁be aches ▁of   the ▁L lo bre gat ▁D elta , ▁eng aging ▁with ▁the ▁public ▁through ▁manual ▁methods ▁of ▁beach ▁clean up ▁improved ▁citiz en ▁participation ▁as ▁compared ▁to ▁mechanical ▁methods . ▁Mov ing ▁towards ▁manual ▁clean ing ▁by ▁citizens ▁can ▁benefit ▁both ▁the ▁environment ▁and ▁aid ▁in ▁the ▁local ▁municipal ities ▁work ▁of ▁keeping ▁the ▁be aches ▁clean . ▁Dom ing uez ' s ▁ 2 0 0 5 ▁study ▁found ▁a ▁correlation ▁between ▁citizens ▁and ▁the ▁use ▁of ▁manual ▁beach ▁clean ing ▁methods . ▁This ▁study ▁also ▁found ▁that ▁the ▁amount ▁of ▁manual ▁labor ▁as ▁well ▁as ▁employees ▁required