Trees in the Stream: Determining Patterns of Terrestrial Dissolved Organic Matter Contributions to the Northeast Pacific Coastal Temperate Rainforest

Abstract

Species-specific tree dissolved organic matter evaded microbial consumption and survived watershed transit to enter the marine environment • Ultrahigh-resolution mass spectrometry showed homogenized organic material in spring and aromatic, freshly leached material in summer • Antecedent watershed conditions like plant growth stage may influence organic matter source availability and flow connectivity