Some specific topics covered include regeneration of coexisting introduced versus native species of pine in the Canary Islands, invasive ascidians in waterways, field-level hyperspectral measurements for identifying wetland invasive plant species, gear for eradication of swimming crabs, and invasiveness of warm-season pasture legumes in the Southeastern US.

The relative energetic costs of the larval period, larval swimming and metamorphosis for the ascidian Diplosoma listerianum.

The sea squirt, also known as an ascidian, stands 50 centimetres tall on the sea floor at a depth of just over 4,000 metres.