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<p class=MsoNormal><b><span style='font-family:"Tahoma","sans-serif"'>2009 another
bad year for Delta ecosystem<o:p></o:p></span></b></p>
<p class=MsoNormal><b><span style='font-family:"Tahoma","sans-serif"'>Contra
Costa Times-1/6/10<o:p></o:p></span></b></p>
<p class=MsoNormal><b><span style='font-family:"Tahoma","sans-serif"'>By Mike
Taugher </span></b><b><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p></o:p></span></b></p>
<p class=MsoNormal><b><span style='font-family:"Tahoma","sans-serif"'><o:p> </o:p></span></b></p>
<p class=MsoNormal><b><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'>The
latest survey of Delta fish populations shows another ominous dip.<o:p></o:p></span></b></p>
<p class=MsoNormal><b><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p> </o:p></span></b></p>
<p class=MsoNormal><b><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'>Despite
ramped-up regulations meant to protect Delta smelt, the imperiled fish that has
come to symbolize the conflict between the Delta ecosystem and statewide water
demands fell to a record low, beating out the previous year's record low.<o:p></o:p></span></b></p>
<p class=MsoNormal><b><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p> </o:p></span></b></p>
<p class=MsoNormal><b><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'>But
the survey numbers, posted late Tuesday, show the problems are not restricted
to Delta smelt, which some biologists believe are dangerously close to
extinction.<o:p></o:p></span></b></p>
<p class=MsoNormal><b><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p> </o:p></span></b></p>
<p class=MsoNormal><b><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'>Longfin
smelt and young-of-the-year striped bass, a popular sport fish, both fell to
their second-lowest measures ever. And the number of threadfin shad, a widely used
baitfish, plunged last year.<o:p></o:p></span></b></p>
<p class=MsoNormal><b><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p> </o:p></span></b></p>
<p class=MsoNormal><b><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'>"The
Delta smelt numbers are disappointingly low but not too surprising considering
dry year conditions," said Peter Moyle, a UC Davis fisheries biologist and
one of the leading experts on California's fish. <o:p></o:p></span></b></p>
<p class=MsoNormal><b><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p> </o:p></span></b></p>
<p class=MsoNormal><b><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'>Threadfin
shad, he said, are plentiful upstream of the Delta. Their absence in the Delta
reflects a shortage of food or other environmental problems in the Delta, but
those fish should bounce back quickly once the underlying problem is solved, he
said.<o:p></o:p></span></b></p>
<p class=MsoNormal><b><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p> </o:p></span></b></p>
<p class=MsoNormal><b><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'>Delta
smelt, however, are so few that they could have much more difficulty
reproducing fast enough to recover their numbers, he said.<o:p></o:p></span></b></p>
<p class=MsoNormal><b><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p> </o:p></span></b></p>
<p class=MsoNormal><b><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'>Government
biologists said it was not surprising, given dry conditions, that the Delta
smelt numbers have not rebounded in response to new federal regulations on
water <o:p></o:p></span></b></p>
<p class=MsoNormal><b><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p> </o:p></span></b></p>
<p class=MsoNormal><b><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'>deliveries.
Those restrictions are meant only to prevent Delta pumps from driving the fish
to extinction and are not, by themselves, designed to lead to a full recovery
of the fish.<o:p></o:p></span></b></p>
<p class=MsoNormal><b><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p> </o:p></span></b></p>
<p class=MsoNormal><b><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'>"The
fact that the fish are not extinct might mean (the regulations are) doing their
job," said Marty Gingras, a supervising fisheries biologist at the
California Department of Fish and Game.<o:p></o:p></span></b></p>
<p class=MsoNormal><b><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p> </o:p></span></b></p>
<p class=MsoNormal><b><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'>Still,
the low measures increase the likelihood of water supply disruptions this year,
because they will trigger tougher limits on how many fish can be killed before
regulators intervene at the Delta pumps, which siphon water into canals that
feed farms and cities around the state.<o:p></o:p></span></b></p>
<p class=MsoNormal><b><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p> </o:p></span></b></p>
<p class=MsoNormal><b><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'>Once
a certain number of fish are killed at the pumps, water managers will have to
ask federal biologists for direction.<o:p></o:p></span></b></p>
<p class=MsoNormal><b><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p> </o:p></span></b></p>
<p class=MsoNormal><b><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'>"We
would consult with them as to what actions would be necessary at that
time," said Victoria Poage, a fisheries biologist at the U.S. Fish and
Wildlife Service, the agency that wrote the rules after its old regulations
were nullified in 2007 by a federal judge who found them inadequate.<o:p></o:p></span></b></p>
<p class=MsoNormal><b><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p> </o:p></span></b></p>
<p class=MsoNormal><b><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'>Since
1967, state biologists have trawled for fish from September to December to
measure the health of a half-dozen Delta fish species. The numbers show that
since about the time the big Delta pumps started running, the numbers for all
those fish have fallen dramatically.<o:p></o:p></span></b></p>
<p class=MsoNormal><b><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p> </o:p></span></b></p>
<p class=MsoNormal><b><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'>The
index used to measure Delta smelt numbers was typically in the hundreds and
occasionally reached over 1,000. Now it's at 17. For longfin smelt, the index
regularly reached over 10,000 and now sits at 65. For striped bass, the number
was well into the thousands 40 years ago and now is at 70.<o:p></o:p></span></b></p>
<p class=MsoNormal><b><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p> </o:p></span></b></p>
<p class=MsoNormal><b><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'>Still,
experts say the problems are not limited to Delta pumping.<o:p></o:p></span></b></p>
<p class=MsoNormal><b><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p> </o:p></span></b></p>
<p class=MsoNormal><b><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'>The
Contra Costa Water District, for example, has found a strong connection between
Delta smelt numbers and the saltiness of Delta water during the fall months.
The connection points to the possibility that salt-tolerant clams that have
moved into the Delta are filtering out food that small fish need.<o:p></o:p></span></b></p>
<p class=MsoNormal><b><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p> </o:p></span></b></p>
<p class=MsoNormal><b><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'>Among
the factors contributing to the increased fall salinity is the way state and
federal water managers operate upstream dams and Delta pumps, which has
resulted in less fresh water flowing through the Delta in the fall.<o:p></o:p></span></b></p>
<p class=MsoNormal><b><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p> </o:p></span></b></p>
<p class=MsoNormal><b><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'>Discharges
into water upstream of the Delta, particularly from Sacramento's large sewer
treatment plant, are also being considered as possible culprits.<o:p></o:p></span></b></p>
<p class=MsoNormal><b><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p> </o:p></span></b></p>
<p class=MsoNormal><b><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p> </o:p></span></b></p>
<p class=MsoNormal><i><span style='font-size:12.0pt;color:gray'>Byron
Leydecker, JcT</span></i><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p></o:p></span></p>
<p class=MsoNormal><i><span style='font-size:12.0pt;color:gray'>Chair, Friends
of Trinity River</span></i><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p></o:p></span></p>
<p class=MsoNormal><i><span style='font-size:12.0pt;color:gray'>PO Box 2327</span></i><span
style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p></o:p></span></p>
<p class=MsoNormal><i><span style='font-size:12.0pt;color:gray'>Mill Valley, CA
94942-2327</span></i><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p></o:p></span></p>
<p class=MsoNormal><i><span style='font-size:12.0pt;color:gray'>415 383 4810
land/fax (call first to fax)</span></i><span style='font-size:12.0pt;
font-family:"Times New Roman","serif"'><o:p></o:p></span></p>
<p class=MsoNormal><i><span style='font-size:12.0pt;color:gray'>415 519 4810
mobile</span></i><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p></o:p></span></p>
<p class=MsoNormal><b><i><span style='font-size:12.0pt;color:gray'><a
href="mailto:bwl3@comcast.net"><span style='color:blue'>bwl3@comcast.net</span></a></span></i></b><b><span
style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p></o:p></span></b></p>
<p class=MsoNormal><b><i><span style='font-size:12.0pt;color:gray'><a
href="mailto:bleydecker@stanfordalumni.org"><span style='color:blue'>bleydecker@stanfordalumni.org</span></a>
</span></i></b><i><span style='font-size:12.0pt;color:gray'>(secondary)</span></i><b><span
style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p></o:p></span></b></p>
<p class=MsoNormal><b><i><span style='font-size:12.0pt;color:gray'><a
href="http://fotr.org/"><span style='color:blue'>http://www.fotr.org</span></a>
</span></i></b><b><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p></o:p></span></b></p>
<p class=MsoNormal> <o:p></o:p></p>
<p class=MsoNormal> <o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
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