Similarity in community composition declines as distance between locations increases. a phenomenon that has been observed in a wide variety of freshwater. marine and terrestrial ecosystems. One driver of the distance-similarity relationship is the presence of environmental gradients that alter the suitability of sites for particular species. https://www.jmannino.com/super-value-NFL-Atlanta-Falcons-Team-Jersey-PS5-Digital-Edition-Bundle-Skin-p121054-great-pick/