An international call by leading scientists to reverse the
Pacific Leatherback Turtle's extinction trajectory

Originally issued July 2002
Updated November 2004

As scientists concerned about the health of our oceans, we have joined together in support of fishing policies that ensure the long-term survival of targeted fish populations, endangered marine species and the fishing-related economy.

In recent decades the impact of commercial fishing on ocean ecosystems has dramatically increased, and we are confronted with the unprecedented reality that we are rapidly depleting the oceansı resources. The oceans, once mistakenly thought to be inexhaustible, clearly are not.

The United Nations reports over 70% percent of global fish populations are overfished or at the brink of being overfished, compared to just 5% reported only 40 years ago. Moreover, indiscriminate commercial fishing practices wastefully harm and kill millions of non-targeted animals per year, causing unsustainable mortality to sea turtles, sea birds, bluefin tuna, swordfish and sharks.

The Pacific leatherback sea turtle is at the top of the list of species being driven to the brink of extinction by increased efforts of global industrial fishing. The Pacific leatherback turtleıs nesting population has plummeted from 91,000 in 1980 to fewer than 5,000 in 2002. Recent studies warn that unless immediate and significant steps are taken, the worldıs largest and most wide-ranging sea turtle will soon become extinct.

The plight of the leatherback sea turtle foreshadows a host of extinction events that may significantly alter the oceansı ecosystem functions.  Leatherbacks have swum the Earthıs oceans for over 100 million years and are part of a complex web of life that is rapidly unraveling.  If we allow the leatherback to vanish from the oceans, we alter the balance that exists amongst predators and prey and risk the future of a host of other marine species.

Leading sea turtle biologists and ocean experts recognize that pelagic longline and gillnet fishing pose the principal immediate threats to Pacific leatherback turtles at sea, while the exploitation of eggs and destruction of nesting habitat are key threats during their short terrestrial existence.

Recognizing that measures that protect leatherbacks at sea also will benefit a wide assemblage of marine species that are either targeted or incidentally captured by these indiscriminate fishing methods,

We the undersigned:

- Call on the United Nations, United States and other nations to institute a moratorium on pelagic longline, gillnet and other fishing techniques that harm Pacific leatherback sea turtles until such activities can be conducted without harm to the species;

- Urge fishing nations to reduce the overall quantity of fishing effort to enable the long-term survival of targeted fish populations and the fishers and communities who depend on them;

- Call on pelagic longline and gillnet fisheries to assess their impacts and implement precautionary fishing principles in other impacted ocean basins, to avoid similar extinction crises among sea turtles, tuna, swordfish, sharks, seabirds and other affected species;

- Request that the governments of all nations where Pacific leatherback turtles nest immediately protect these sites, stop egg collection and maximize hatchling survival; and

- Urge that transitional aid be allocated to fishers and communities who are impacted by shifts in policy that move the human species toward the sustainable use of the oceans.

The measures outlined above will help people worldwide who depend on the oceans for their livelihood and sustenance. And we feel these actions are necessary to enable marine species such as the leatherback sea turtle to survive and flourish.


* Original signatures as of August 12, 2002. Affiliations for identification purposes only.

Sylvia Earle
Explorer in Residence
National Geographic Society

Larry B. Crowder
Stephen Toth Professor of Marine Biology
Duke University Marine Laboratory

David Ehrenfeld
Professor of Biology
Cook College in Rutgers University

Paul R. Ehrlich
President, Center for Conservation Biology
Stanford University

Thomas Eisner
Professor of Biololgy
Cornell University

Daniel H. Janzen
Professor of Biology
University of Pennsylvania

Thomas E. Lovejoy
The Heinz Center for Science
Economics and the Environment

Carl Safina
Vice President for Ocean Conservation
National Audubon Society

Edward O. Wilson
University Research Professor, Emeritus
Harvard University

Niki Alcock
National Institute of Water and Atmosphere Research Ltd.
New Zealand

Lucy Ali
Asociaci-n de Rescate de Fauna

Miaya A. Armstrong
Laboratory Manager

Aslan Baco
GIS Specialist
Wildlife Conservation Society-Indonesia Program

Belinda Barnett
Department of Zoology, Melbourne University

Harry Barthel
Dive Medical Technician
Hyperbaric Services Thailand/Subaquatic Safety Services

Kent Beaman
Natural History Museum of Los Angeles County

Elizabeth Anne Berkemer
External Affairs Assistant
Florida Aquarium

Christiane Biermann
Independent Investigator
Friday Harbor Laboratories

Marny Bonner
Australian Seabird Rescue - Marine Turtle Division

Lorien Cahill Braun
Dive Interpreter
The Florida Aquarium

And 621 other scientists from 54 countries.