Biological pollution refers to the introduction of alien species to the Philippines'natural environment.
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"What we're facing now is biological pollution,"
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Biological pollution divides, mutates and changes.
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Introduction of non-indigenous species to non-native habitats by humans often results in biological pollution by the exotic or invasive species.
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There is the so-called biological pollution, which has become a major concern for the government in its biodiversity conservation program.
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These problems range from eutrophication of the estuary due to nutrient loading through to biological pollution from untreated sewage effluent discharge.
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In particular, they are concerned about the modern threat to the environment of " biological pollution ", such as the invasive species.
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Said Ellen Taggart of the grass-roots group Rural Vermont, " We're manipulating the basis for life and creating a new form of pollution, biological pollution ."
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Ecologists warn that, collectively, this " biological pollution " poses nearly as great an environmental threat as habitat losses generated by more familiar enemies of nature including development, clear-cut logging, overgrazing and oil spills.
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And while the extent of the biological pollution caused by farm-bred salmon is a matter of hot debate, some scientists believe that interbreeding is at least partly responsible for the decline of wild Atlantic salmon stocks.
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