dead trees in a forest. forest destroyed by cormorants excrements

acid acidic air amounts atmospheric biosphere black carbo carbon catastrophe co2 coastal cormorant cormorants damage dead destroyed destruction die disaster dying ecological ecology environment environmental europe excrements feces few forest global great green habitat habitation harmful katy landscape large nature other phalacrocorax plant poland pollution protection provide rain rains reserve result rybackie sanctuary smog so2 substances tree trees uric warming years