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Fig.1 Dave Frey scouts location for a quantitative soil pit in Watershed 2 by taking a tree core in one of the younger trees in the old growth stand to date the age of the most recent landslide.

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Each of the ten MOCNESS nets has a plastic ‘cod end jar’ attached to the end. These jars collect most of the organisms that get caught in the nets, and bring them back to the surface for us to sample. Four cod end jars are visible here as the grey cylinders with drainage holes and duct tape bumpers.

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A Phronima hyperiid amphipod curled up in a hollow salp ‘barrel’ (body case). Phronima carves a salp’s body out and uses the barrel as a house – like a slightly morbid version of a hermit crab. Photo courtesy of Pierre Chabert.

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Recovering MOCNESS nets can be exciting in rough seas. They really do look like creatures from the watery depths!

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Figure 4. Soils from different plots throughout Baltimore.

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Figure 2. Big wheel tire in the middle of our Hillsdale plot, Baltimore City.

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Figure 1. Ian Yesilonis by a large tulip poplar tree in Gwynns Falls/Leakin Park in Baltimore City.

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Components of the N cycle investigated by using 15NH4+ dilution method and isotopic enrichment of other N pools.

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An overhead view of recirculating chambers.

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Kings Creek during normal flow.