Researchers are developing models to try to
determine what the effects of global warming will be on the
Great Lakes region. Photo by Jerry Bielicki.
Researchers are trying to determine how global warming might affect this region. The Great Lakes Radio Consortium’s Lester Graham reports:
Transcript
Researchers are trying to determine how global warming might affect this region. The Great Lakes Radio Consortium’s Lester Graham reports.
Using two different sophisticated computer climate models, researchers are asking questions such as what happens to the water levels in the Great Lakes. Both models predict they drop even farther, causing shipping problems. They predict crops will produce more, and they predict some trees will die off. Peter Sousounis is one of the researchers studying the models. He says the region needs to consider what appears to be happening.
“I’m concerned that we won’t be prepared, we will not have done our homework. I think as a society we can certainly adapt, if we are given enough time. And if we don’t adapt, life might adjust to a new mean state all around.”
While nearly all climatologists believe the earth is warming, not everyone agrees whether the changes will be harmful. Sousounis agrees more research needs to be done to try to determine what the effects might be. For the Great Lakes Radio Consortium, this is Lester Graham.
In Michigan, the Perrier Group of America is building a water bottling plant near the town of Big Rapids. It’s a project that has raised the ire of local environmental groups, and it’s raised the question of whether groundwater in Great Lakes states should be for sale. The Great Lakes Radio Consortium’s Matt Shafer Powell has the story:
Transcript
In Michigan, the Perrier Group of America is building a water bottling plant near the town of Big Rapids. It’s a project that has raised the ire of local environmental groups. And it’s raised the question of whether groundwater in Great Lakes states should be for sale. Michigan Radio’s Matt Shafer Powell reports.
Perrier hopes to pump water from the ground, bottle it and sell it.
Terry Swier is President of the Michigan Citizens for Water Conservation.
Despite assurances from Perrier, she worries that a plant that pumps more than 700-thousand gallons of water a day will steal water from the area’s lakes and wetlands…
“We are not just talking about the water for the people. We’re also talking about the water for the fish, the mosquitoes, the deer, all of the environment”
But the issue has grown beyond the local impact. Within a few weeks, officials from the Michigan Attorney General’s office hope to release a report on the topic. The question is whether federal law allows Great Lakes governors to prohibit the sale of groundwater-the way they can with Great Lakes water. For the Great Lakes Radio Consortium, I’m Matt Shafer Powell.
After taking more than a year to consider the matter, the U.S. has now responded to a report that said a new sense of urgency is needed to restore and protect the Great Lakes. The report was issued by a binational commission overseeing U.S. and Canadian cooperation on lakes issues. The Great Lakes Radio Consortium’s Lester Graham reports:
Transcript
After taking more than a year to consider the matter, the U.S. has now responded to a report that said a new sense of urgency is needed to restore and protect the Great Lakes. The report was issued by a bi-national commission, overseeing U.S. and Canadian cooperation on lakes issues. The Great Lakes Radio Consortium’s Lester Graham reports.
The International Joint Commission monitors whether the two countries are complying with a water quality agreement, when its reports were released in July of last year. The commission warned that every delay in restoring the health of the lakes carried a steep price. Despite that urgency, the U.S. response to the report was delayed, in part because of the change in administrations in the White House. Mark Elster is an analyst with the U.S. EPA’s Great Lakes National Program Office. He sums up the U.S. response to the I.J.C. report this way.
“I would say we generally agree with most of their recommendations.”
Yet, the U.S. response says it is unable to clean up contamination and stop invasive species quite as quickly as the I.J.C. calls for, and Elster notes the U.S. has to coordinate many of its plans with Canada.
“So, for those bi-national type recommendations, we’ll be in contact with our Canadian colleagues to see if we’re in agreement in the tenor of our responses.”
The Canadian response, similar to the U.S. response, also took a year to be issued. For the Great Lakes Radio Consortium, this is Lester Graham.
Alewives washed up on Lake Michigan
shores after the invaders' populations exploded, then crashed.
Researchers have a difficult time predicting how invasive species
will affect the balance of nature in the Great Lakes.
Ever since the Great Lakes were opened to shipping, exotic species of aquatic animals have invaded the lakes. Nearly always it’s been bad news for the region’s native fish and wildlife. The Great Lakes Radio Consortium’s Lester Graham reports on the latest effects of the invaders:
Transcript
Ever since the Great Lakes were opened to shipping, exotic species of aquatic animals have invaded the lakes. Nearly always it’s been bad news for the region’s native fish and wildlife. The Great Lakes Radio Consortium’s Lester Graham reports on the latest effects of the invaders.
Some of the exotic species that have caused major problems in the Great
Lakes have been around since the 1940’s and ’50s. For example, the sea lamprey found its way into the lakes through manmade channels. It’s a parasite that attacks lake trout and other large game fish. It devastated the lake trout fisheries. Only recently have efforts gotten the lamprey under control. It’s still out there, but it’s not decimating the lake trout population as it once was.
More recently, a big concern has been the zebra mussel. It hitchhiked its way to the Great Lakes in the ballast water of cargo ships. In the last couple of decades the zebra mussel has caused major changes in all the lakes except for Superior where it seems limited to the shallow and warmer bays.
David Jude is a researcher with the University of Michigan’s Center for
Great Lakes and Aquatic Sciences. He says the huge numbers of zebra mussels siphon through lake water like a giant network of filters. There are so many of them that water in the lakes is actually clearer.
“I think people tend to hear about the water clarity increases. ‘Ah, the water’s clearer,’ you know, ‘That’s great!’ But it’s not great, because there’s a lot of things going on in the water column.”
Things such as, algae converting the sun’s energy into more phytoplankton.
Small fish and tiny invertebrate animals called zooplankton eat the phytoplankton and then they become food for fish. But, the zebra mussels filter out a lot of the phytoplankton, stealing food from the native zooplankton.
David Jude says a couple of other invaders are also causing havoc at the base of the food chain in the Great Lakes. Instead of eating just the green phytoplankton, zooplankton invaders from the Black and Caspian Seas also eat their North American cousins.
“These are predators. And they feed on the zooplankton, our native zooplankton that is out there already. So, not only do we have the impact of zebra mussels removing algae which is a food for these zooplankton, now we’ve got two predators that have been introduced and both of those will eat zooplankton which would have been food for fish to eat.”
Besides the zooplankton floating around in the water column, a major food source for fish is in the sediment at the bottom of the lakes, and it’s disappearing. James Kitchell is with the University of Wisconsin – Madison. He says many different kinds of fish depend on a little creature called diaporeia, which have become scarce in many areas.
“It appears to correlate in general with an increases in zebra mussels. So, there’s the prospect that diaporeia is literally starving to death as a consequence of zebra mussels eating the available food, but when you look at the diaporeia, they appear to be healthy. They’re not skinny and look to be starving. So that doesn’t explain it.”
It’s a big concern because a lot of fish that anglers like, such as yellow perch, depend on diaporeia for food.
Besides the zebra mussels and the two zooplankton predators, a fourth invader is causing problems. Populations of the round goby, an ugly, aggressive feeding little fish from Eastern Europe, have exploded in the Great Lakes. The round goby scours the bottom, eating the eggs and larvae of native fish. The University of Michigan’s David Jude says as big of a problem as the invasive fish has been over the last several years. The round goby’s future might soon be curtailed a bit.
“We did SCUBA dives in Lake Erie, for example, we’d turn over rocks. Round gobys would tear out from under the rocks and we’d have small mouth bass following us around and they would ignore the round gobys. They didn’t know how to catch a round goby. But, because there’s so many round gobys now, they had to learn how to eat them or die. So, the predators are definitely learning how to eat round gobys.”
Other native fish are beginning to eat the exotics. The silver chub, which once nearly disappeared from the Great Lakes, is making a bit of a comeback feasting on zebra mussels. With each invader, the lakes ecosystems go through upheaval, and then find a new balance. But make no mistake. It’s a different balance. Nicholas Mandrak is a researcher at Youngstown State University. He says exotic species invading the Great Lakes will mean continued changes, and for people who fish the lakes, not many of the changes will be good.
“You’re not going to be able to catch as many species that you’re used to catching. You know, the native species are going to decline. The walleye are going to decline. So, I think the bottom line is the recreational and commercial fisheries are going to change in a manner that is negative to most people.”
Researchers, though, have learned to be careful about predicting how invasive species will affect the lakes. They’re often surprised by the intricacies of the food web and the ecosystems that support it. Throwing an exotic invader into the mix makes it that much more unpredictable, and it will likely get worse. Mandrak says they’ve been studying how global warming might affect the lakes. One scenario suggests 30 to 40 new exotic species from the South will make their way through manmade canals as temperatures rise. For the biologists, it’s a worrisome concept. For the Great Lakes Radio Consortium, this is Lester Graham.
It appears that fish native to the Great Lakes are beginning to prey on some of the alien species that have invaded the lakes. The Great Lakes Radio Consortium’s Lester Graham reports:
Transcript
It appears that fish native to the Great Lakes are beginning to prey on some of the alien species that have invaded the lakes. The Great Lakes Radio Consortium’s Lester Graham reports.
Aquatic Species from Europe and elsewhere have hitchhiked to the Great Lakes in the ballasts of cargo ships for many years. A lot of them have upset the natural ecosystems of the lakes. Lately, though, some native fish are taking advantage of the invaders. Nicholas Mandrak is a researcher at Youngstown State University. He says a Great Lakes minnow that was once thought to have died out has recently re-emerged.
“And they’re eating zebra mussels. So, it looks like the increase
in silver chub is related to zebra mussels, so we finally found a native
fish that is benefiting from the zebra mussel.”
Other researchers say small mouth bass are beginning to prey on another invasive species, the round goby, which eats the eggs and larvae of fish native to the Great Lakes. The researchers say the benefits don’t outweigh the negative affects on native species. But it evens the score a little. For the Great Lakes Radio Consortium, this is Lester Graham.
Summers in the Midwest mean corn, county fairs and lots of heat and humidity, but while some seasonal traditions remain intact, Great Lakes Radio Consortium commentator Julia King recently discovered that at least one significant summer custom is slipping away:
Fertilizer used in the Great Lakes states and the Midwest might be causing a wider dead zone in the Gulf of Mexico than ever before. The Great Lakes Radio Consortium’s Lester Graham has the story:
Personal watercraft, also known by their trade name “jet skis,” are the hottest sellers among watercraft in the Great Lakes region. They’re causing some heated debate as well. They’ve been banned in many National Parks, and some Great Lakes states are also regulating their use. Last summer, New York passed a law allowing towns to make their own rules for jet skis. Some have already banned them on local lakes. The Great Lakes Radio Consortium’s David Sommerstein reports on the controversy jet skis are provoking:
Transcript
Personal watercraft, also known by their trade name “jet-skis”, are the hottest sellers among watercraft in the Great Lakes region. They’re causing some heated debate as well. They’ve been banned in many National Parks, and some Great Lakes states are also regulating their use. Last summer New York passed a law allowing towns to make their own rules for jet-skis. Some have already banned them on local lakes.
The Great Lakes Radio Consortium’s David Sommerstein reports on the controversy jet skis are provoking.
When Jay Schecter relaxes in the quiet of his home on Hannawa Pond in northern New York, there’s one sound he can’t stand.
(Sound of jet ski starting up and driving away)
It’s a personal watercraft, or Jet Ski. It’s easy to get Schecter to talk about last summer when young kids driving jet-skis nearly drove him crazy.
“…y’know, weaving in and out of traffic and wake jumping. The awful noise, going uuuuuuuuuuuuu for literally hours on end.”
(Sound of buzzing Jet Ski)
Jet-skis are different from other motorized boats, not just because they sound different. They ride high on the water’s surface and can easily make sharp turns. So they can come closer to shores and docks at higher speeds than traditional motorboats can.
Schecter heard about the new “home rule” law in New York that allows towns to make their own jet-ski rules. At the same time, he started to hear from his neighbors.
“I started to hear complaints about jet-skis from recreational boaters, big time water-skiers, older gentlemen who’d been on the pond for many years.”
So Schecter spearheaded a campaign over the winter to get the machines banned from the water. The town Board compromised with what amounted to a jet-ski curfew from 6 in the evening to 9 in the morning. The proposal sparked a controversy on the pond that’s divided neighbors into pro- and anti-jet ski camps.
(Sound of motor boat approaching dock; then sound of guys under track)
Just down the shoreline from Jay Schecter’s place, a few motorboats idle up to Alex Vangelo’s dock. Alex and his friends like to get together on hot days like these – maybe get in a little water-skiing after work. None of them own jet skis, but they don’t want any new rules, either. Alex says most jet skiers on this pond are responsible users.
“They’ve got three or four jet skis and they get home from work and they like to get on it and ride up and down the river a couple times. Well, God bless ’em, I say”
Alex’s friend Mark Luthauser loves to cruise around in his motorboat and says his neighbors should have the right to enjoy their jet skis.
“I’d be happier without jet skis on here, but it’s just not fair for me to support something just because I personally don’t like it.”
New York’s “home rule” law is the first of its kind in the country. Other Great Lakes states have a range of Jet Ski laws on the books. But most of them don’t restrict where and when they can be used – they just regulate unsafe and risky operation.
Some people say the problems with jet skis go well beyond noise, safety, and personal freedoms. The two-stroke engines in jet skis are heavy polluters, dumping up to a third of their fuel into the air and water. The most often cited statistic says that one day of Jet Ski play emits as much pollution as a new car driven 100,000 miles. Shawn Smith of Blue Water Network, a national environmental group, says jet skis endanger fish and birds, too.
“The way they’re designed, they don’t have propellers; they’re powered by a jet pump. That allows them to get into waterways where traditional boats cannot. Often these waterways are very shallow and represent some of the most sensitive habitat for wildlife – breeding grounds, nesting areas, that type of thing.”
Groups like Blue Water Network are pushing for more states to consider “home rule” laws like New York’s.
But Industry representatives say advances in technology will soon silence the complaints against the watercraft. Monita Fontaine directs the Personal Watercraft Industry Association. She says new personal watercrafts are already 75% cleaner and 70% quieter than the older models.
“People will have to look at what it is they don’t like about personal watercraft because it certainly will not be the fact that there are any environmental impacts. And people will have to see if, in fact, it’s simple prejudice.”
(Sound up)
Back on Hannawa Pond, John Ohmohundro, another jet-ski opponent, says the jet ski controversy is similar to other “man and machine” vs. “nature and neighbor” conflicts, from snowmobiles to boom boxes to ATVs.
“Where does your right to play any way you want to interfere with my right for peace and quiet, clean air, clean water, safety…I’m interested in that issue.”
(Sound of jet ski)
So are many other people. Across the region this summer, residents will be crowding public meetings to consider their own Jet Ski restrictions.
For the Great Lakes Radio Consortium, I’m David Sommerstein.
Polluted sediments sit at the bottom of rivers and lakes across the Great Lakes region. They can affect water quality, wildlife and human health. More than 40 highly contaminated areas in the region have been identified by the EPA’s Great Lakes Office. But so far, only about half of those sites have been cleaned up. This summer, dredging is taking place in at least three of those hot spots, all on rivers. The Great Lakes Radio Consortium’s Karen Kelly reports on the challenges of cleaning up a river bottom:
Aerial view of industry along the Fox River. Photo by Great
Lakes United.
One of the rivers that flows into Lake Michigan is polluted so badly that it’s being treated much like a Super Fund site…an environmental disaster. It’ll be decades before it’s cleaned up, and some environmentalists think it might never be cleaned up properly. The Great Lakes Radio Consortium’s Lester Graham reports:
Transcript
One of the rivers that flows into the Great Lakes (Lake Michigan) is
polluted so badly that it’s being treated much like a Super Fund site –an
environmental disaster. It’ll be decades before it’s cleaned up. And some
environmentalists think it might never be cleaned up properly. The Great
Lakes Radio Consortium’s Lester Graham reports:
(Sound of fish splash)
It’s late at night. The moon’s out. And the fish are flopping on the Fox
River. In downtown Green Bay, Wisconsin, Robert Hageman and a few of his
friends have been fishing. A couple of the guys are bragging about the big
fish they caught. But they’re not taking any home with them tonight.
LG: “Had any luck?” RH: “Yeah, I caught 23 fish.”
LG: “And wwhat did you do with them? RH: “Let ’em right back.” LG: “why?” RH: “Because it’s dirty. Fox River’s dirty.”
LG: “What have you heard about the Fox River?” RH: “The fish ain’t good for you. They can’t hurt you, but they ain’t good for you.
(friends in background say “PCBs, man.”) “yeah.”
LG: “What do you know about PCBs?
RH: “I don’t know nothing about it. That’s why I ain’t eatin’ them.” (all laugh)
Hageman and his friends are right when they say there are PCBs in the Fox
River. But apparently they haven’t heard that eating fish from the river
probably can hurt you in the long run. There are 60-thousand pounds of
PCBs, or poly chlorinated byphenyls, in the 39 mile run of the Fox
River. Of that, 50-thousand pounds – that’s 25 tons – is in the sediment of
the last seven mile stretch just before the river flows into Green Bay and
on into the rest of Lake Michigan. It’s that final stretch where Hageman
and his friends have been fishing.
The Environmental Protection Agency says seven paper mills along the Fox
River are the likely polluters. The EPA says PCBs were produced as a
by-product of the paper manufacturing process, and from the 1950s to the 1970s
they were dumped into the river. Now, the agency intends to make those
mills pay for cleaning up the contaminants.
Dennis Hultgren works for Appleton Papers, and is a spokesperson for a group
that represents the seven companies. Hultgren says the paper mills want to
clean up the pollution. But they don’t want to pay more than they have to.
“What we want to do is make sure that the money that we do spend
is spent wisely and it does the most environmental good for the region. And
so, we have one chance to do it right and we want to do it right the first
time.”
The paper mills have been working closely with government agencies to try to
determine where the PCBs are concentrated and how best to clean up the
pollution. Some of the companies have spent millions of dollars on tests in
the river. Just recently, Hultgren’s firm offered 40-million dollars… ten-million dollars a year for four years… for data collection and preliminary clean-up tests. The government agencies praised the decision and some environmental groups voiced their approval. But a local grassroots group, the Clean Water Action Council of Northeast Wisconsin, does not approve. Rebecca Katers is with the council and says it’s a delay tactic by the paper mill companies.
“It makes the company look generous. But, in fact, they should be doing this anyway. They should have done this ten years ago.”
Giving the money now, Katers says, only manages to delay legal action
against the company for four more years. Besides, she says, while
40-million dollars might seem like a lot of money, the estimated clean-up
could cost as much as 30 times that amount.
The Clean Water Action Council says this money and the government’s
willingness to accept it are representative of the cozy relationship the
companies seem to have with regulators. But Katers says the state and
federal agencies are forgetting about the people who live here. She
bristles when she hears the government agencies talk about how close they
are to the paper mills.
“They talked at the announcement about ongoing discussions they
have on a daily basis with the paper industries on this issue. But, they
haven’t met once face-to-face with the public. They haven’t held a public
discussion or debate on this issue.”
And it appears there won’t be many opportunities in the future. Although
the Fox River is not a Superfund site, the EPA is generally following the
process used for Superfund sites. The EPA says that means the public can
submit comments in writing. But there won’t be a lot of public discussion
until the EPA actually has a proposed plan. Katers thinks the people
should have a voice a lot earlier in the process.
But, the paper mills’ representative, Dennis Hultgren says it’s better to
let the experts work first.
“It’s complicated. For the normal citizen, it’s going to be very difficult to comment on it because they’re going to be looking at the technical merits
of their comments. And a general citizen, not having been involved, it’s going to be very difficult to have germane comments.”
The companies say they’ve been studying and testing and they’ve found
disturbing the sediment by trying to remove it proves that the PCBs should
be left in the sediment, allowed to slowly break down… a process called
natural recovery. And where there’s risk that sediment laden PCBs might
be disturbed by the river’s currents, engineered caps could be put in place.
The Clean Water Action Council says the paper mills tests were designed to
end up with that conclusion because that would be the cheaper way to deal
with the PCBs. The council wants the PCBs removed from the river and
disposed of safely… a much more expensive job.
The acting regional administrator for the USEPA, David Ullrich, says
there’ll likely be some combination of natural recovery, capping, and
removal. But, Ullrich says none of that will happen anytime soon. It’s a
big job, and it looks as though it will take up to ten years to deal with
the PCBs. And Ullrich says that’s just the beginning.
“The actual recovery of the resource, getting fish contaminant
levels down to acceptable levels and getting the PCB loadings to Green Bay
and out to Lake Michigan down, could take a longer period of time than that,
perhaps up to twenty years.”
And over that 20 year period, experts say that contamination will
naturally spread farther and farther into Green Bay and Lake Michigan.
For the Great Lakes Radio Consortium, this is Lester Graham.
Researchers are developing models to try to determine what the effects of global warming will be on the Great Lakes region. Photo by Jerry Bielicki.
