River in a nature reserve in France with nature and grassland on the edge and rare animals and plants

river nature reserve france nature grassland edge rare animals plants wildlife waterway conservation ecological reserve area biodiversity riverbank natural habitat rare species flora fauna scenic ecosystem french environmental water grassy riverine edge habitat conservation area plant life animal species lush reserve setting riverside wildlife habitat rare plants protected area watercourse diverse habitat french nature river scene grassy edge ecological balance nature observation rare wildlife plant diversity water conservation