The oyster being sedentary, except for a few days in the earliest stages of its existence, is easily exterminated in any given locality; since, although it may not be possible for the fishermen to rake up from the bottom every individual, wholesale methods of capture soon result in covering up or otherwise destroying the oyster banks or reefs, as the communities of oysters are technically termed.
Used heavy spring tines to rip up docks followed by a lighter cultivation to rake up and then burn.
Sometimes the searchers wade into the sea, furnished with nets at the end of long poles, by means of which they drag in the sea-weed containing entangled masses of amber; or they dredge from boats in shallow water and rake up amber from between the boulders.
Depending on the season, mow your grass or rake up all the leaves.
Prevention: It's important to rake up all the fallen leaves each fall and compost them or burn them (if your area permits burning.