Entries by david.shiffman

Improving Marine Reserves

By Mary Trainor, Marine conservation student It is a wonderful sign of the times that governments around the world are taking action to protect the ocean.  One popular marine management tool is the marine protected area (MPA), which aims to conserve marine life and habitats by restricting what people can do within designated MPA boundaries […]

Do birds of a feather forage together?

By Asta Mail, Marine conservation student Imagine that you are entrusted with the duty of conserving a colony of beautiful seabirds. Your objective is to create Marine Protected Areas (MPA’s) that shelter birds from disturbances, so that they can do what they do best: eat, sleep, fly and reproduce!  How then do you decide which […]

Can MPAs help tropical sharks?

By Christina Marmet, Marine conservation student Sharks have been around for 450 million years, and have survived every extinction episode that our Earth has known since then (Litman 1996). However, human beings may be the biggest threat they have ever faced. Today, there are about 500 species of sharks in the ocean, with more being […]

Trawling on seamounts: effects on corals

By Jennifer Dean, Marine Conservation student Have you ever wondered how your seafood is caught?  Many of the species commonly consumed by humans, such as cod, flounder, and shrimp, are caught by a method called bottom trawling (montereybayaquarium.org).  Bottom trawling is a large scale fishing method that has been used for many years, consisting of […]

Incidental captures of sea turtles in the driftnet and longline fisheries in northwestern Morocco

By Ana Zangroniz, Marine Conservation Student One important issue in marine conservation lies with the preservation of a healthy sea turtle population. Of the seven species (Leatherback, Green, Loggerhead, Hawksbill, Olive Ridley, Kemps Ridley, and Flatback), six are endangered or threatened. Besides the fact that these creatures are visually stunning, they play a crucial role […]

Are Marine Protected Areas Effective?

By Natalie Torkelson, Marine conservation student Living in South Florida, most people are familiar with the concept of Marine Protected Areas (MPAs). The Florida Keys National Marine Sanctuary is just one of these protected areas in Florida. Six percent of the sanctuary consists of fully protected zones. Along with the fully protected zones, 27 management […]

Possible Links Between Estuarine Pollution and Invertebrate Biodiversity

by Monica Yasunaga, Marine conservation student Marine degradation from coastal pollution is difficult to measure without the appropriate frame of reference.  The parameters that must be considered include the physical, chemical, and biological interactions that are taking part in an area. To understand the extent to which human-induced development and activities affect marine ecosystems, biologists […]