Overview. Gastric intubation via the nasal passage (ie, nasogastric route) is a common procedure that provides access to the stomach for diagnostic and therapeutic purposes.
The impact of pesticides consists of the effects of pesticides on non-target species. Pesticides are chemical preparations used to kill fungal or animal pests. Over 98% of sprayed insecticides and 95% of herbicides reach a destination other than their target species, because they are sprayed or spread across entire agricultural fields.
Ecological effects of air pollution can include long-term changes in water quality, soil chemistry, and plant species composition, as well as bioaccumulation of toxics in fish, birds, and wildlife. Air pollutants can harm ecological resources, including water quality, soils, plants, and animals.