Studies show that from 6% to 26% of therapists working with traumatized populations, and up to 50% of child welfare workers, are at high risk of secondary traumatic stress or the related conditions of PTSD and vicarious trauma.
Beach grass. Beach grass (genus Ammophila), also called marram grass, psamma, or sand reed, genus of two species of sand-binding plants in the grass family (Poaceae). American beach grass (Ammophila breviligulata) grows along the Atlantic coast and in the Great Lakes region of North America. European beach grass (A. arenaria) is native to temperate coasts in Europe, northern Africa, and western Asia and has been introduced in many places as a dune stabilizer.
Grass Patches... and a Few Trees. The savanna is characterized by its variety of grasses. However, it is not the lush grasses of grasslands that extend as far as the eye can see. Instead, the grasses are often in thick clumps with bare ground and shrubs in between.There are many types of grasses in the savanna, such as Rhodes grass, red oats grass and lemon grass.The Bermuda grass that many plant in their lawns is native to the African savanna as is elephant grass, which can grow 10 feet (3 m) tall.nstead, the grasses are often in thick clumps with bare ground and shrubs in between. There are many types of grasses in the savanna, such as Rhodes grass, red oats grass and lemon grass.