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This new study comes in the wake of a salmon population crash which resulted in the state and federal government closing the commercial salmon fishing season off the coast of California and part of Oregon this spring.
Data gathered from the study will help agencies better manage the Bay-Delta ecosystem while enhancing habitat for salmon and other protected species and providing a scientific foundation for water policy, ecosystem and salmon fishery decision makers.
“Ultimately, with the data collected from this study, we hope to find ways to improve Delta water quality and water supply reliability for the State Water Project while protecting the salmon out-migrant population,” said Jim Wilde, DWR Senior Engineer coordinating the study for DWR.
Over the course of the study, scientists will release 6,000 tagged juvenile salmon into the Sacramento River to track their migration to the ocean.
Released salmon are implanted with acoustic transmitters that allow scientists to monitor their movements at junctions of waterways and throughout the Delta.
The transmitters are uniquely programmed for immediate detection and identification by an array of unmanned, robotic boats and electronic gear.
The high-tech experiment continues for the next three months between Sacramento and Pittsburg and will gather data on route selection and survival of the Sacramento River winter run of juvenile salmon.
Every year thousands of juvenile Chinook salmon migrate out of streams in the Central Valley and move through the Sacramento-San Joaquin Delta on their way to the Pacific Ocean. How young salmon move through the Delta, however, is not well understood.
“This is an evolving story. We don’t have the answers, but we are using the latest science and technology to find them,” said USGS hydrologist Jon Burau, one of the study’s lead scientists. “This is an example of interagency cooperation across many scientific disciplines and offices. Scientists will be putting in thousands of hours over the next few months to understand how juvenile salmon migrate through the Delta.”
Collected data will be used to develop management tools capable of estimating how current operations and potential new projects may impact out-migrating juvenile salmon.
The field experiment will involve many scientific disciplines and the use of emerging technologies in fisheries science and hydrodynamic measurement.
Clear Lake also is connected to the Bay-Delta, which it empties into via Cache and Putah creeks, and the Yolo Bypass in the Sacramento Valley.
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- Written by: Lake County News Reports
THIS STORY HAS BEEN UPDATED.
HIDDEN VALLEY LAKE – Following a day of searching, the second suspect in an early morning break-in on Noble Ranch Road was captured by officials late Thursday.
Malcolm Safa Brown, 40, of Santa Rosa was arrested shortly after 5 p.m. after one of two victims from the morning break-in and assault identified him, according to officials at the scene.
Earlier in the afternoon, Charles William Burk, 30, was arrested when deputies found him under the exterior deck of a residence in the 19000 block of Stonegate Drive of Hidden Valley Lake. He had been spotted running into the home's garage; 10 minutes later, the homeowner reported a water bowl was in an odd position in front of a small access door under their deck, and Burk was taken into custody.
The two men are alleged to have broken into a home on Noble Ranch Road at approximately 7:20 a.m., where they assaulted the residents before fleeing in a white pickup, according to Capt. James Bauman of the Lake County Sheriff's Office.
The two men in the pickup collided with a sheriff's patrol car before abandoning their vehicle on Spruce Grove Road South and fleeing into Hidden Valley Lake on foot, said Bauman.
Bauman said the sheriff's office sent out a phone alert to residents in a three-mile perimeter of where the men were believed to be, in the Greenridge and Stonegate communities. However, many area residents reported to Lake County News that they did not receive the notice.
The Sonoma County Sheriff's Office's Henry 1 helicopter assisted with the search from the air for a few hours during the middle of the morning while local sheriff's investigators and deputies combed the area for the men. Area schools also kept children on campuses longer in order to keep them safe while the search went on.
Burk was arrested shortly after 2 p.m. not long after deputies spotted him on foot in the Greenridge area and stopped him for questioning. He attempted to flee behind some nearby residences and was arrested following a house-to-house search, said Bauman.
At about 4:30 p.m. Bauman told Lake County News that the sheriff's office was suspending the search for the second suspect, who hadn't yet been identified.
However, as sheriff's personnel were leaving leave Hidden Valley Lake, Hidden Valley Security was reporting receiving calls about a shirtless male with buzz cut hair running down Foothill Road just after 4 p.m., according to reports at the scene.
Deputies returned to Hidden Valley Lake, where a California Highway Patrol officer had detained Brown at Highway 29 and Arabian Lane.
One of the victims of the morning assault was brought to the scene, where she identified Brown as one of the men who had broken into her home earlier that morning.
Burk, who has addresses in both Clearlake Oaks and Santa Rosa, is listed as a cement mason on his booking sheet, which was posted late Thursday. Bauman confirmed that Burk had previous contact with local law enforcement but did not give specifics.
He is facing a battery of felony charges, including attempted murder, attempted robbery, assault with a deadly weapon (that is not a firearm) on a peace officer, assault with a firearm, another charge of assault with a deadly weapon that is not a firearm and first degree burglary. Bail is set at $575,000.
Brown, a carpenter, is charged with four felony counts – attempted murder, attempted robbery, assault with a deadly weapon that's not a firearm and first-degree burglary, with bail set at $535,000.
Both Burk and Brown are scheduled to appear in court on Nov. 17, according to their booking sheets.
Harold LaBonte and Aimee Gonsalves contributed to this report.
E-mail Elizabeth Larson at
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- Written by: Elizabeth Larson
Charles William Burk, 30, was arrested in Hidden Valley Lake just after 2 p.m. Thursday after he attempted to flee from deputies who had stopped him for questioning, reported Capt. James Bauman of the Lake County Sheriff's Office.
Burk, who has addresses in both Santa Rosa and Clearlake Oaks, is believed to have been one of two men who broke into a Noble Ranch Road home shortly before 7:30 a.m., where they allegedly assaulted two occupants of the home, according to Bauman.
Burk and his accomplice, who remains at large and who has not been identified, then fled in a white pickup which collided with a sheriff's patrol car, Bauman said. The two suspects then abandoned their vehicle on Spruce Grove Road South and fled on foot into Hidden Valley Lake.
Much of the day's search, according to Hidden Valley Lake and sheriff's officials, had focused on the Greenridge and Stonegate sections of the community.
Burk was located, said Bauman, while deputies were in the process of clearing some houses in the Greenridge area.
Bauman said two deputies began to question Burk, who took off on foot behind some nearby residences.
“They conducted a house-to-house search,” said Bauman.
Burk was found under an exterior deck of a home on Coyle Springs Road and arrested, Bauman said.
The sheriff's office has had some previous contact with Burk, but Bauman did not specify what those contacts may have been about.
Bauman said the sheriff's office was preparing to issue another Citywatch phone alert to community residents to let them know of Burk's capture.
There is currently not an active search under way for the second man, whom Burk has so far not provided information about, according to Bauman.
The Hidden Valley Lake community has been on alert since two residents of Park Point Court were robbed at gunpoint in their home on the night of Oct. 28, as Lake County News has reported.
The suspect in that robbery, a white male adult wearing a ski mask and dressed from head to toe in black, remains at large.
Is that robbery connected to the break-in and assault Thursday morning?
“We have no reason to believe that they are,” Bauman said.
E-mail Elizabeth Larson at
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- Written by: Elizabeth Larson
At least one of two men who allegedly broke into the home early Tuesday morning, and subsequently fled into Hidden Valley Lake, had been caught shortly after 2 p.m. according to a radio report from the scene.
No further information about the captured suspect has so far been released.
However, both he and his alleged accomplice were considered armed and dangerous, according to the Lake County Sheriff's Office. That had led officials earlier in the day to caution residents to stay in their homes with their doors and windows locked.
Middletown Unified School District Superintendent Korby Olson said the district had been communicating with the Lake County Sheriff's Office throughout the day to keep apprised of the situation.
“We decided it would be best to keep the kids in school where it was safe,” he said.
Middle school students were being held, and at Middletown High School the day was extended until 3:30 p.m., Olson said.
Children who lived in Cobb and other communities outside of Middletown were being released first, but children who school officials knew lived in the Greenridge and Stonegate areas of Hidden Valley Lake – where the search was most active – were being held until the district had more information, said Olson.
As the buses began to take children home late Thursday, Olson said bus drivers had been instructed to communicate with any parents they saw waiting along the way to let them know the situation.
E-mail Elizabeth Larson at
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- Written by: Elizabeth Larson