Page 6 - Eco-Schools Newsletter Autumn One - English
P. 6

Challenges seagrass face


          Seagrass meadows worldwide have                      blooms that outcompete seagrass
          faced challenges in recent decades,                  for sunlight.

          and they need our help.                              Seagrass plays a crucial role as a

          These plants are sensitive to shifts in  natural filter, soaking up pollutants

          water temperatures, pollution, and                   as they flow from land to sea.
          human activities like dredging and                   Nevertheless, excessive amounts

          trawling.                                            of such substances have proven

          Sewage discharge into our waters                     to be overwhelming for seagrass

          is especially harmful to existing                    meadows. As heavy metals
          seagrass meadows. Not only is it                     accumulate within them, the plant’s

          highly toxic to seagrass, but it also                capacity to fix nitrogen is impaired,
          fosters the growth of large algal                    reducing its odds of survival.






















































                                                                          Credit: Michiel Vos / Ocean Image Bank
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