Excess nitrogen is a pollutant and global problem that harms ecosystems and can severely
affect human health. Pollutant nitrogen is becoming more widespread and intensifying in the …

Lichens play an important role in the biogeochemical cycling of mercury (Hg) and are
commonly used as indicators of Hg enrichment in remote and anthropogenically impacted …

Ammonia (NH 3) pollution has emerged as a major cause of concern as atmospheric
concentrations continue to increase globally. Environmentally damaging NH 3 levels are …

Lichens represent a charismatic corner of biology that has a rich history of scientific
exploration, but to which modern biological techniques have been sparsely applied. This …

According to International Union for the Conservation of Nature (IUCN) guidelines, all
species must be assessed against all criteria during the Red Listing process. For organismal …

Los líquenes son utilizados como bioindicadores para valorar la calidad atmosférica, debido
a que obtienen la mayor parte de sus nutrientes del aire, son muy sensibles a las impurezas …

Los resultados obtenidos en los es tudios de impacto ambiental muchas veces no
presentan una base de datos de calidad y confi abilidad. Los altos costos de instalación de …

Both anthropogenic change and the spread of invasive species have led to changes in
urban and forest tree diversity. Oak rust, acute oak decline, and emerald ash borer have all …