2005 आव, इउ.एस.दि.ए. हाग्रा-बिफान मावमिनजों नाइबिजिर-जानाया बोसोनथियो दि गममाय आबादाव 500 निफ्राय 1,000 बोसोरफोर सिगां जौगानाय, दायो जेराव खोला-सानजायारि जुथाय हादरफोरा गोगो-दैनि सामुवारि-नाफोर नेवसिनायजों गोरोबो, जायफोरा आबहावा सोलायनायफोराव जोबोर सांग्रा।
In 2005, research by the USDA Forest Service suggested that the rise in maize cultivation 500 to 1,000 years ago in what is now the southeastern United States corresponded with a decline of freshwater mussels, which are very sensitive to environmental changes.