A debate is developing over who has the authority to place
stricter rules on ocean freighters that bring cargo into the Great Lakes.
The ultimate goal is to keep these ships from discharging invasive species
when they dump ballast water into the lakes. But as the Great Lakes Radio
Consortium’s Tracy Samilton reports, experts say the debate is overlooking a
key issue:
Transcript
A debate is developing over who has the authority to place stricter rules on ocean freighters that can bring cargo into the Great Lakes. The ultimate goal is to keep ships from discharging invasive species when they dump ballast water into the Lakes. But as the Great Lakes Radio Consortium’s Tracy Samilton reports, experts say the debate is overlooking a key issue:
Some states want the EPA to be in charge of regulating ballast water discharges. Others want the Coast Guard to handle it. Whoever regulates the discharges, it won’t be enough, according to Allegra Cangelosi. She’s a policy analyst at the Northeast MidWest Institute.
“They can’t pump it all out with routine ballast pumps. So they often carry residual ballast into the Lakes which is teeming with organisms nonetheless.”
Cangelosi says freighters need to start treating their ballast water with technologies such as filtration and deoxygenation. She says the longer the government waits to require the treatment of ballast water, the more invasive species will make their way into the Great Lakes.
A scientist collects samples of ballast sediment. (Photo courtesy of NOAA)
A new study finds that ocean-going ships that enter the Great Lakes often carry biological pollution in their ballasts, even when they declare their ballasts are empty. The Great Lakes Radio Consortium’s Lester Graham reports:
Transcript
A new study finds that ocean-going ships that enter the Great Lakes often carry biological pollution in their ballasts, even when they declare their ballasts are empty. The Great Lakes Radio Consortium’s Lester Graham reports:
The study by the University of Michigan and the National Oceanic and Atmospheric Administration looked at ships coming into the Great Lakes from the ocean. Nearly 80-percent of them declared “no ballast on board” and avoided inspections by the Coast Guard.
But several of those ships were tested by the researchers. They found that although the ballast water was pumped out, there were thousands of organisms left behind in the sediment in the bottom of the ships’ ballast. Then, when the ships unloaded at their first stop, they took on Great Lakes ballast water which stirred up the sediment.
And that made it possible for the biological contaminants to be pumped out at the next Great Lakes port.
The authors of the study warn that more restrictions must be placed on how the ships handle ballast water, or the Great Lakes will continue to be invaded by more invasive species such as the zebra mussel, round goby, and 180 other foreign aquatic species that have harmed the Lakes’ ecosystems.
Some worry that the barrier to protect the Great Lakes from Asian carp may not be as effective as previously imagined. Asian carp eggs can be brought in with ships' ballast water. (Photo courtesy of the U.S. Fish and Wildlife Service)
By summer’s end, officials from the Army Corps of Engineers and the
state of Illinois hope to finish an underwater electric barrier in a canal just south
of Chicago. The barrier is designed to repel invasive fish such as the Asian Carp.
But some environmentalists fear the barrier won’t be enough to keep the voracious,
non-native species out of Lake Michigan. The Great Lakes Radio Consortium’s Shawn Allee reports:
Transcript
By summers end, officials from the Army Corps of Engineers and the state of Illinois hope to finish an underwater electric barrier in a canal just south of Chicago. The barrier is designed to repel invasive fish such as the Asian Carp. But some environmentalists fear the barrier won’t be enough to keep the voracious, non-native species out of Lake Michigan. The Great Lakes Radio Consortium’s Shawn Allee reports:
Some conservationists worry Asian Carp may someday enter the Great Lakes by simply hitching a ride.
These critics say leaky ships passing through the electric barrier could hold carp eggs inside their ballast tanks and deposit them on the other side. But local officials say that scenario is unlikely.
Steve Stuewe is with the Illinois Department of Natural Resources.
He says Asian Carp eggs need turbulent water, and if they do find their way into rusty ballast tanks…
“They will probably be dead because they’ve settled out into the bottom of the hull and they’ve either suffocated or they’re down there, mixed in with the iron oxidate. So, they sink. They have to float.”
The research on egg viability is still sketchy, but a federal study of the issue may settle the question once and for all early this summer.
Michigan Senator Patty Birkholz and state Senate Majority Leader Ken Sikkema proposing a "multi-state compact" to combat invasive species. (Photo courtesy of Senate Photowire)
A Michigan lawmaker is urging other states in the region to enter into a multi-state compact aimed at limiting the influx of invasive species into the Lakes. The Great Lakes Radio Consortium’s Sarah Hulett reports:
Transcript
A Michigan lawmaker is urging other states in the region to enter into a
multi-state compact aimed at limiting the influx of invasive species into
the Lakes. The Great Lakes Radio Consortium’s Sarah Hulett reports:
Federal regulations require ocean-going ships to exchange their ballast
water in the open ocean before they enter the Saint Lawrence Seaway. The
idea is to flush out any plants or animals that might have hitched a ride
from foreign ports. But Michigan state Senator Patty Birkholz says that
system isn’t working, because organisms can remain in the sludge at the
bottom of ships’ ballast tanks.
Birkholz is the co-chair of the Great Lakes legislative caucus. She wants
the eight states that surround the lakes to use their water pollution laws
to crack down on ships that release ballast water into the lakes.
“So it would require, first of all, them to get a permit to prove that
they’ve treated their ballast water, and then to treat their ballast water
in order to enter the Great Lakes basin.”
Birkholz hopes to have a multi-state compact in place by 2007.
Sightings of the Chinese mitten crab outside of its native habitat make some scientists uneasy that it will turn into an invasive species. (Photo courtesy of the California Department of Fish and
Game)
Biologists are asking people to keep their eyes peeled for another potential invader into the Great Lakes. A Chinese mitten crab was found in the St. Lawrence River last fall. The Great Lakes Radio Consortium’s David Sommerstein reports:
Transcript
Biologists are asking people to keep their eyes peeled for
another potential invader into the Great Lakes. A Chinese mitten
crab was found in the St. Lawrence River last fall. The Great Lakes
Radio Consortium’s David Sommerstein reports:
Scientists aren’t sounding the alarm yet. One Chinese mitten crab found near Quebec City doesn’t constitute an invasion. But if they reproduce, the critters could spread quickly.
David MacNeill is a fisheries specialist with New York Sea Grant. He says one was found in Lake Erie in the 1970s, but didn’t proliferate. The mitten crabs spawn in salt water, so they don’t really threaten the upper Great Lakes. But the St. Lawrence River may be better habitat. Regardless, MacNeill says the discovery highlights problems with foreign ships exchanging ballast water before they enter the Great Lakes system.
“Inside ballast tanks on ships, they’re like giant tidal mud flats. When you empty all the water out, there’s this large mud layer. Some of these organisms can burrow into the sediment which is what the mitten crabs do.”
In January, the Coast Guard conceded its ballast discharge rules don’t always work. It said it must find new ways to keep foreign invaders out of the Great Lakes.
For the Great Lakes Radio Consortium, I’m David Sommerstein.
The Great Lakes is the largest group of freshwater lakes in the world. Preservation and usage of the Lakes is a hot issue for 2005. (Photo courtesy of michigan.gov)
This coming year will likely see some major policy decisions regarding the Great Lakes. Because the lakes stretch out along eight states in the U.S. and two provinces in Canada, getting all the governments to agree on issues is a long and sometimes trying process. But… those involved think 2005 will be the year that some real progress on Great Lakes issues will be made. The Great Lakes Radio Consortium’s Lester Graham recently talked with the Chair of the U.S. Section of the International Joint Commission, Dennis Schornack. The IJC deals with disputes and advises the U.S. and Canadian governments on issues regarding the Great Lakes:
Transcript
This coming year likely will see some major policy decisions regarding the Great Lakes. Because the Lakes stretch out along eight states in the U.S. and two provinces in Canada, getting all the governments to agree on issues is a long and sometimes trying process. But those involved think 2005 will be the year that some real progress on Great Lakes issues will be made. The Great Lakes Radio Consortium’s Lester Graham recently talked with the chair of the U.S. Section of the International Joint Commission, Dennis Schornack. The IJC deals with disputes and advises the U.S. and Canadian governments on issues regarding the Great Lakes:
The International Joint Commission and the Government Accountability Office both have been critical of the U.S. government for not finding clear leadership on Great Lakes issues. Different agencies sometimes find their efforts overlap or conflict with others. At times, it seems there’s no organized effort to restore the health of the Great Lakes. Dennis Schornack says he thinks things were starting to get better because recently appointed U.S. Environmental Protection Agency Administrator Mike Leavitt took a real interest in the Great Lakes. But now Leavitt is leaving to become the new Health and Human Services chief.
“It’s going to be hard to beat the enthusiasm of Mike Leavitt. He spent literally about fifty percent of his time as EPA Administrator in the Great Lakes throughout. He was everywhere this past summer. But it does fall to the new administrator, whomever he or she may be; but in the meantime, the governors and mayors are proceeding forward on the priorities that they set over a year ago, and fleshing those out into very tight kinds of recommendations.”
Countless studies and reports on the Great Lakes point out one of the biggest threats to the lakes is invasive species. Those are foreign critters such as zebra mussels and round gobies that hitchhike in the ballast water of cargo ships, or are introduced unintentionally. Often the invasives damage the native fish, plants, and ecosystems of the Great Lakes. Nothing has been done to effectively stop importing the invasives, and some have gone so far as to suggest that the St. Lawrence Seaway connecting the Great Lakes to the Atlantic Ocean should be closed. The IJC’s Dennis Schornack says he’s hopeful that we’ll soon see laws that will do more to help prevent invasive species from getting into the Lakes.
“In the United States, at least, there is pending legislation that has been pending for over two years now called the National Aquatic Invasive Species Act. This legislation is overdue. It’s time for Congress to act on it. And in the ’05 legislative Congressional year, it’s time for them to act. And that’s the place where the standards get set, the authority gets established and where all of the rubber really hits the road. Now, that’s just in the United States. Bi-nationally, because the Great Lakes are a shared resource, the IJC, that I’m the chair of the U.S. section, has continued to advocate cooperation and collaboration between the two countries in terms of at least setting a common standard, a common rule, common regulation on the Great Lakes. Because, obviously, setting it on one side of the boundary line doesn’t do any good if the other side doesn’t follow.”
Another issue that’s recieved a lot of attention in the Great Lakes region recently is water diversion. A document called Annex 2001 tackles the issue of how much water can be used or withdrawn from the Lakes. The various state governors and province premiers put together draft agreements for public comment. Schornack says there’s been a huge response, and a lot of it hasn’t been positive.
“They recieved, I think, over ten-thousand public comments. And there is differing viewpoint, a growing difference between the view taken in Canada and the view taken in the United States on this effort. Canada, the province of Ontario, has come out and point-blank opposed the existing documents. There are concerns in Canada that this is just some kind of a ruse to somehow allow diversions of the Great Lakes waters to occur. I’m not part of that viewpoint, to tell you the truth. What’s being done right now and what will happen in 2005 is that the comments are being digested, we’ll see new draft documents come out from the governors and premiers and hopefully begin the process making those agreements stick.”
Schornack says 2005 will also see some important reports on the economic costs of invasive species. Studies on the logistics of shipping, cargo ship traffic and alternative freight haulers and design plans that look at the total cost of shipping – including the infrastructure costs and the environmental damage caused by invasive species. It should be an interesting year for the Great Lake if Congress moves on key issues, and then finds money to make the Great Lakes more sound.
For the Great Lakes Radio Consortium, this is Lester Graham.
A scientist has discovered a chemical compound that attracts
an invasive fish. The Great Lakes Radio Consortium’s Mike Simonson
reports that this could be a breakthrough in controlling harmful fish
populations:
Transcript
A scientist has discovered a chemical compound that attracts an invasive fish. The
Great Lakes
Radio Consortium’s Mike Simonson reports that this could be a break through in
controlling
harmful fish populations:
Eurasian ruffe were introduced in the Duluth-Superior harbor from ballast water of
ocean-going
ships in the 1990’s. Ruffe reproduced so quickly, they now make up 80 to
90-percent of the fish
population, squeezing out native fish. Now, they’re spreading eastward across Lake
Superior
toward the lower Great Lakes.
University of Minnesota Fisheries Professor Peter Sorenson says he’s isolated a
pheromone that
will cause the fish to cluster in great numbers of male ruffe who are tricked into
thinking it’s time
to mate.
“It causes a great deal of sexual arousal and excitement. So to help detect this
thing, I suppose
like a dog they get a little crazy and just start swimming around like crazy and
nudging and
inspecting the fish in the tank.”
Once they’re clustered, Sorenson says it may be possible to find a way to cut their
population.
Sorenson hopes to find a similar pheromone in carp and sea lamprey, other invasive
species
which threaten native fish in the Great Lakes.
For the Great Lakes Radio Consortium, I’m Mike Simonson.
The latest report on the overall health of the Great Lakes shows mixed progress in cleaning up the lakes. The International Joint Commission says there have been some improvements, but there are still many areas that need to be worked on. The Great Lakes Radio Consortium’s Stephanie Hemphill reports:
Transcript
The latest report on the overall health of the Great Lakes shows
mixed progress in cleaning up the lakes. The International Joint
Commission says there have been some improvements, but there are
still many areas that need to be worked on. The Great Lakes Radio
Consortium’s Stephanie Hemphill reports:
The IJC is an agency made up of Canadian and U.S. officials who
monitor the overall health of the Great Lakes. Every two years, the
agency issues a report.
This year’s report says the two governments have made progress in
cutting releases of many toxic chemicals. And scientists are closer to
understanding how global climate change is likely to affect the Great
Lakes.
But the report says other issues require urgent attention. It calls for
government action to reduce mercury emissions from coal-fired
power plants. Mercury can cause nerve and developmental damage
when it’s eaten in fish.
And U.S. Co-Chair Dennis Schornack says the governments should
do more to stop invasive alien species from getting into the Great
Lakes.
“We still don’t have measures in place that would stop ballast water
mediated transfers of species from abroad; we’ve still got a threat
with the Asian carp coming up the Chicago Ship and Sanitary Canal
and incomplete funding for the barrier to stop that invasion there.”
The report also urges scientists to figure out why Lake Erie’s water
quality is degrading again, after years of improvement.
And there are always new challenges, according to Canadian Co-Chair Herb Gray.
“There are new families of chemicals getting into the water. The fire
retardants, which are great for your furniture, but not great in drinking
water.”
This was the 12th biennial report on Great Lakes water quality. The
report says it’s now time for a comprehensive review of the
agreement between the U.S. and Canada to clean up and protect the
Great Lakes.
For the Great Lakes Radio Consortium, I’m Stephanie Hemphill.
It looks as though the Environmental Protection Agency will reject the idea of requiring cargo ships to get pollution permits before they’re allowed to discharge ballast water. The Great Lakes Radio Consortium’s Lester Graham has more:
A new way to prevent rust in the ballast of ships might also prevent many alien aquatic animals from being transported from port to port. The Great Lakes Radio Consortium’s Lester Graham has details:
