Complex sentence: Due to strict protection laws that protected their nesting sites in Mexico and altered fishing gear to avoid accidental capture of the Kemp's, the Kemp's ridley numbers have increased to estimated 7000--9000 nesting individuals today.
Split into simpler sentences: Due to strict protection laws that protected their nesting sites in Mexico and altered fishing gear to avoid accidental capture of the Kemp's. The Kemp's ridley numbers have increased to estimated 7000--9000 nesting individuals today.