Effects of elevated nitrogen and exotic plant invasion on soil seed bank composition in Joshua Tree National Park

@article{Schneider2012EffectsOE,
  title={Effects of elevated nitrogen and exotic plant invasion on soil seed bank composition in Joshua Tree National Park},
  author={Heather E. Schneider and Edith B. Allen},
  journal={Plant Ecology},
  year={2012},
  volume={213},
  pages={1277-1287}
}
We investigated the effects of exotic species invasion and 3 years of nitrogen (N) fertilization on the soil seed bank in Joshua Tree National Park, California, USA at four sites along an N deposition gradient. We compared seed bank composition and density in control (no N added) and fertilized (30 kg N ha−1 year−1) plots to determine if the seed bank would reflect aboveground changes due to N fertilization. Soil samples were collected and germinated in a greenhouse over 2 years. In the field… CONTINUE READING
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