Ballast Water Control: Issues & Recommendations for Protecting the United States
Washington University Global Studies Law Review
Volume 10 | Issue 4
2011
Ballast Water Control: Issues & Recommendations
for Protecting the United States' Shared Pacific
Coastline
Rebecca M. Thibault
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Recommended Citation
Rebecca M. Thibault, Ballast Water Control: Issues & Recommendations for Protecting the United States' Shared Pacific Coastline, 10
Wash. U. Global Stud. L. Rev. 837 (2011),
https://openscholarship.wustl.edu/law_globalstudies/vol10/iss4/7
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BALLAST WATER CONTROL: ISSUES &
RECOMMENDATIONS FOR PROTECTING THE
UNITED STATES’ SHARED PACIFIC COASTLINE
I. INTRODUCTION
The biological diversity of sea-life is besieged by the effects of human
activity.1 Under the cover of the ocean, these changes are often concealed
from view. However, our inability to readily see these alterations to the
marine environment neither masks nor diminishes the insidiousness of this
critical environmental problem. Humans have many ways of affecting the
biological diversity, or biodiversity, of a marine ecosystem. And the
encroachment of aquatic invasive or nonindigenous species,2 commonly
mediated by humans, is “one of the most important agents of . . . change to
marine biodiversity at the genetic, species, and ecosystem levels.”3 Indeed,
it has been noted that this invasion “constitutes one of the four greatest
threats to the world’s oceans and their biodiversity.”4
“Biodiversity” describes the biological diversity of genetic, species,
and ecological levels in a given ecosystem.5 The Convention on Biological
1. Cheryl Ann Butman & James T. Carlton, Preface to COMM’N ON GEOSCIENCES, ENV’T, &
RESOURCES, UNDERSTANDING MARINE BIODIVERSITY, at ix (1995) [hereinafter UNDERSTANDING
MARINE BIODIVERSITY], available at http://books.nap.edu/openbook.php?record_id=4923&page=24.
2. See infra notes 5–6 and accompanying text for a full explanation of the use of this term in
this Note.
3. Id. The other most important critical issues identified are the activities of “fisheries
operations, chemical pollution and eutrophication, alteration of physical habitat, and global climate
change.” UNDERSTANDING MARINE BIODIVERSITY, supra note 1, at 25.
4. Erkki Leppäkoski, Scientific Aspects on Biopollution, in MARIA HELENA FONSECA DE SOUZA
ROLIM, THE INTERNATIONAL LAW ON BALLAST WATER: PREVENTING BIOPOLLUTION 15, 16 (2008).
The other great threats include those posed by land-based pollution sources, over-exploitation of living
marine resources, and the destruction and physical modification of the marine habitat. Id. (citation
omitted). See also Efthimios E. Mitropoulos, Foreword to MARIA HELENA FONSECA DE SOUZA
ROLIM, THE INTERNATIONAL LAW ON BALLAST WATER: PREVENTING BIOPOLLUTION, at xii 2008
(noting the same threats to the ocean environment).
5. J.L. Harper & D.L. Hawksworth, Preface, in BIODIVERSITY—MEASUREMENT AND
ESTIMATION 5, 6 (D.L. Hawksworth, ed., 1995). Genetic diversity refers to the diversity within a
species, species diversity refers to the number of different species, and ecological diversity refers to
the diversity of the community. Id. Harper and Hawksworth give a concise and informative overview
of the definition of the term biodiversity. Id. at 5–11. They explain the etymology of the term as well
as how biodiversity is assessed or measured in taxonomic, molecular, or phylogenetic levels. Id. The
authors caution that biodiversity may mean “quite different things to different people,” id. at 6, but this
should not deter a robust scientific discussion about biodiversity. So as not to become mired in a
scientific debate about the term’s definition, this Note will rely on the broad definition offered by the
Convention on Biological Diversity. See infra note 6 .
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Diversity6 and this Note both use the term biodiversity to mean “the
variability among living organisms from all sources including, inter alia,
terrestrial, marine and other aquatic ecosystems and the ecological
complexes of which they are part; this includes diversity within species,
between species and of ecosystems.”7 Edward O. Wilson, renowned
scientist and tireless advocate for the conservation, protection, and study
of biodiversity,8 illustrates the importance of biodiversity by noting that
“[e]ach species possesses a unique combination of genetic traits that fits it
more or less precisely to a particular part of the environment.”9
The general threat to biodiversity brought on by the introduction of
nonindigenous species is the displacement of one or more native species.
Globalization and trade have contributed widely to this displacement. For
example, Columbus’s landing in 1492 had an especially startling force in
the Caribbean and the Americas: the settlers and their living cargo caused
changes to entire landscapes, creating fields of new grass species where
once there were forests.10 Indeed, the result of these biological changes has
led some biologists to refer to the post-Columbus years as the
“Homogenocene” era, a reference to the homogenization of ecosystems
“mixing unlike substances to create a uniform blend.” Indeed, “[w]ith the
Columbian Exchange, places that were once ecologically distinct have
6. The Convention on Biological Diversity, entered into force on December 29, 1993,
developed from a working group of the UN Environment Programme. CONVENTION ON BIOLOGICAL
DIVERSITY, History of the Convention, http://www.cbd.int/history/ (last visited Feb. 22, 2012). Three
objectives motivated the Convention: “1. The conservation of biological diversity, 2. The sustainable
use of the components of biological diversity, 3. The fair and equitable sharing of the benefits arising
out of the utilization of genetic resources.” CONVENTION ON BIOLOGICAL DIVERSITY, About the
Convention, http://www.cbd.int/convention/about.shtml (last visited Feb. 22, 2012). Signed by 168 of
193 parties, the United States is not included in that figure. CONVENTION ON BIOLOGICAL DIVERSITY,
List of Parties, http://www.cbd.int/convention/parties/list/ (last visited Feb. 22, 2012). Though signed
by President Clinton in June 1993, the Convention was never ratified by the Senate. For a thorough
review of the United States’ legal concerns with ratification of the Convention, see William J. Snape,
III, Joining the Convention on Biological Diversity: A Legal and Scientific Overview of Why the
United States Must Wake Up, 10 SUSTAINABLE DEV. LAW & POL’Y 11 (Spring 2010).
7. Convention on Biological Diversity art. 2, Dec. 29, 1993, 176 (...truncated)