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Caddisfly (order Trichoptera), a macroinvertebrate used as an indicator of water quality.
Caddisfly (order Trichoptera), a macroinvertebrate used as an indicator of water quality.
The lichen Lobaria pulmonaria is sensitive to air pollution.
The lichen Lobaria pulmonaria is sensitive to air pollution.
Populations of American crows (Corvus brachyrhynchos) are especially susceptible to the West Nile Virus, and can be used as a bioindicator species for
Populations of American crows (Corvus brachyrhynchos) are especially susceptible to the West Nile Virus, and can be used as a bioindicator species for the disease's presence in an area.
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Poster to teach people in South Asia about human activities leading to the pollution of water sources
Poster to teach people in South Asia about human activities leading to the pollution of water sources
Bauxite residue is an industrial waste that is dangerously alkaline and can lead to water pollution if not managed appropriately (photo from Stade, Ge
Bauxite residue is an industrial waste that is dangerously alkaline and can lead to water pollution if not managed appropriately (photo from Stade, Germany).
Muddy river polluted by sediment
Muddy river polluted by sediment
Solid waste and plastics in the Lachine Canal, Canada
Solid waste and plastics in the Lachine Canal, Canada