<prompt> Translate the following text to SwahiliNitrogen saturation of watersheds contributes to environmental problems such as reduced drinking water quality, nitrateinduced toxic effects on freshwater organisms, increased soil acidification and aluminum mobility, increased emissions from soil of nitrogenous greenhouse trace gases, reduction of methane consumption in soil, and forest decline and reduced productivity.  <response>: Nitrogen saturation ya maji ya maji huchangia matatizo ya mazingira kama vile kupungua kwa ubora wa maji ya kunywa, athari za sumu zinazosababishwa na nitrate kwenye viumbe vya maji baridi, kuongezeka kwa acidification ya udongo na mwendo wa alumini, ongezeko la uzalishaji wa nitrogeni kutoka udongo, kupunguza matumizi ya methane katika udongo, na kupungua kwa misitu na uzalishaji. 