Human Trafficking Defined. The chart below, developed by the Solidarity Center, extrapolated and simplified from the 2000 UN Protocol to Prevent, Suppress and Punish Trafficking in Persons, especially women and children definition, is a useful tool for analyzing individual cases to determine whether or not they constitute trafficking.
Foster & Smith Educational Staff Macroalgae such as Halimeda, Chaetomorpha, and other large celled algae are valuable additions to a saltwater aquarium. Algae and all photosynthetic creatures serve two important roles in the ecosystem of the oceans and aquariums.
There are three general categories of algae: filamentous, planktonic and attached-erect algae. 1  The filamentous or pond scum or moss forms greenish mats upon the water's surface. The algae usually begins growing along the edges or bottom of the water body and mushrooms to the surface.