Essays about: "periwinkle"

Found 2 essays containing the word periwinkle.

1. 1. Copper bioaccumulation in blue mussels and periwinkles from marinas

   University essay from Högskolan i Halmstad/Akademin för ekonomi, teknik och naturvetenskap

   Author : Tomas Sjökvist; [2019]
   Keywords : Littorina littorea; Mytilus edulis; antifouling paint; invertebrates; biomonitoring;

   Abstract : Copper (Cu) is a heavy metal that is essential for life but toxic at high concentrations. This toxic effect is used on boats to prevent biofouling on boat hulls by painting the hulls with antifouling paint that contain high levels of Cu. The Cu is slowly diffused out in the water and accumulated by animals higher up in the food chain. READ MORE

3. 2. Ocean acidification effects on marine organisms : a study of Littorina littorea and Balanus improvisus

   University essay from Sektionen för ekonomi och teknik (SET)

   Author : Isak Domeij Hilliges; Cecilia Stendahl; [2011]
   Keywords : ocean accidification; accidification; pH; sea; marine organism; marine; littorina littorea; balanus improvisus; periwinkle; barnacle; CO2; acid; ecosystem; activity; cirral movement; calcium carbonate system; buffering; low pH; havsförsurning; försurning; pH; hav; marina organismer; marin; littorina littorea; balanus improvisus; havstulpan; strandsnäcka; CO2; surt; ekosystem; aktivitet; cirrala rörelser; buffrande; lågt pH;

   Abstract : The world’s oceans are becoming more acid in a process called ocean acidification. The pH of the ocean have already decreased by 0.1 units from pre-industrial time until today. Scientists predict that by the year of 2100 the pH will decrease by as much as 0. READ MORE