Microplastics found in a quarter of San Diego estuary fish
Scripps Institution of Oceanography
Published: 18 March 2020
A study of San Diego’s Chollas Creek found nearly 25% of fish contained microplastics, mainly fibers and hard fragments. Plastic ingestion varied by species, diet, and age, raising concerns about ecosystem and human impacts via seafood.
Keywords: microplastics, fish, Chollas Creek, San Diego Bay, pollution, food webs, marine ecosystems
Are there any aquatic beetle species?
Scripps Institution of Oceanography
Published: 1 April 2020
Over 400,000 beetle species exist, with ~13,000 adapted to freshwater habitats like ponds and streams. Some live fully aquatic lives, others partly. None live in the sea, though coastal beetles forage along shores.
Keywords: beetles, aquatic insects, freshwater, coastal, biodiversity, Scripps
Scripps Scientists Use Underwater Microphones to Study Calving Arctic Glacier
Scripps Institution of Oceanography
Published: 6 April 2020
Scripps scientists developed a method to measure glacier ice loss by recording underwater sounds of iceberg calving. Acoustic data from hydrophones strongly correlated with iceberg size, offering a safe, low-cost way to track sea-level rise.
Keywords: glacier calving, iceberg, underwater acoustics, hydrophones, Arctic, sea-level rise
