If you want to find out more about the way in which the marine environment is managed, here are some useful links.
Internet Guide to International Fisheries Law www.oceanlaw.net/
This is a fantastic site with an extraordinary amount of detailed information on international fisheries law, management and policy.
International Seabed Authority http://www.isa.org.jm/
This is an autonomous international organisation established under the UN Convention on the Law of the Sea.
Intergovernmental Oceanographic Commission http://ioc.unesco.org/iocweb/
The work of the IOC focuses on promoting marine scientific investigations and related ocean services. This is a highly comprehensive site and you can follow the below links to other detailed sections.
The International Oceanographic Data and Information Exchange (IODE) http://ioc.unesco.org/iode/
Established as a way of exchanging oceanographic data and information between member states.
The Global Ocean Observing System (GOOS) http://ioc.unesco.org/goos/
This is a global system for observations, modelling and analysis of marine and ocean variables so as to support operational ocean services worldwide.
Aquatic Network http://www.aquanet.com/
The Aquatic Network was established to provide information about living resources and technology relating to marine and freshwater environments.
Oceans and Law of the Sea http://www.un.org/Depts/los/index.htm
This is a section of the United Nations which covers all aspects of ocean affairs and the law of the sea. Recommended.
The Innovative Coastal-Ocean Observing Network http://www.oc.nps.navy.mil/~icon/
A programme to encourage collaboration between government and other research organisations.
The Marine Fish Conservation Network http://www.conservefish.org/
A coalition of over 110 national and regional organizations and groups dedicated to conserving marine fish and to promote their long-term sustainability.
The Marine Life Information Network for Britain and Ireland (MarLIN) www.marlin.ac.uk/
Provides one of the most comprehensive sources of information about marine habitats, communities and species around Britain and Ireland.
NOAA's National Ocean Service www.nos.noaa.gov/
This is the US's principle advocate for coastal and ocean stewardship. Part of the National Oceanic and Atmospheric Administration.
Plymouth Marine Laboratory http://www.pml.ac.uk/
UK research facility. Collaborates with organisations world-wide.