Complex sentence: The pilot whale harvest does not exist as a commercial harvest and is proven as only a communal food distribution among local households; and the harvest of North Atlantic dolphin populations, at the rate of 0.1% per year, is sustainable for the species.
Split into simpler sentences: The pilot whale harvest does not exist as a commercial harvest and is proven as only a communal food distribution among local households. The harvest of North Atlantic dolphin populations, at the rate of 0.1% per year, is sustainable for the species.