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Nitrogen pollution: an assessment of its threat to amphibian survival.
The potential for nitrate to affect amphibian survival was evaluated by examining the areas in North America where concentrations of nitrate in water occur above amphibian toxicity thresholds. Nitrogen pollution from anthropogenic sources enters bodies of water through agricultural runoff or percola...
Autores principales: | , , |
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Formato: | Texto |
Lenguaje: | English |
Publicado: |
1999
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1566592/ https://www.ncbi.nlm.nih.gov/pubmed/10504145 |