_:vb51021606 . _:vb51021607 . . . "Assessment of the State of Natural Ecosystems" . _:vb51021606 "64.0"^^ . _:vb51021606 . . _:vb51021607 . _:vb51021606 . _:vb51021607 . _:vb51021607 "160000.0"^^ .