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  Multi-Agency Rocky Intertidal Network  

Our coastlines are home to dynamic, highly diverse biological communities that are subject to dramatic changes due to natural phenomena and human activity. MARINe is committed to the long-term study of these rocky intertidal communities across the coast. We invite you to learn about them so that together we can understand how best to protect these valuable resources.

MARINe Partners
See Pacific Rocky Intertidal Site


Many of the coastal sites have been monitored by Multi-Agency Rocky Intertidal Network for periods of 15 to over 25 years. MARINe represents the largest program of its kind.

Current News and Research

  • MARINe Recognized
  • Abalone Studies
  • Mussel Watch
  • Abalone Decline

MARINe was honored with the USDOI's Partnership in Conservation award in recognition of the unique and extensive partnership that was developed among federal, state and tribal governments, local agencies, universities and private groups dedicated to the study and management of rocky intertidal shoreline habitats, one of our most diverse and vulnerable coastal resources.

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Habitat suitable for black abalone is systematically surveyed to estimate the current number of individuals and determine aerial extent of the disease. These studies are critical in promoting the recovery of the species.

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During Fall 2007, MARINe teamed up with federal, state, and local agencies to add 13 new sites to a network of locations where mussels are collected for water quality analysis. This increase results in a total of 34 Mussel Watch sites in southern California.

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The Channel Island National Park first identified the sharp decline in the mid-1980's on the islands; BOEM/UCSB first discovered mainland evidence of the decline at Pt Conception in 1992. MARINe has continued to follow the decline of the population.









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