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"Ain’t No Way"
Lava fire swells to 13,300 acres
LOS ANGELES — In what is perhaps an ominous harbinger of the coming fire season, crews are battling multiple wildfires across California while much of the region remains mired in treacherous heat and bone-dry conditions.
The largest of the fires, the lightningsparked Lava fire in Siskiyou County, forced the evacuation of at least 8,000 residents Monday afternoon as gusty red flag conditions fueled the searing flames.
By Tuesday morning, the fire had expanded nearly tenfold, to 13,300 acres, and was 20% contained, ShastaTrinity National Forest officials said.
More than 470 personnel are now battling the blaze from the air and the ground, with crews working in 24-hour shifts.
— Tribune Content Agency
Pacific Northwest heat wave sets up ‘grim’ migration for salmon on Columbia, Snake rivers
Tribune ConTenT AgenCy
Victim
From Page A5
Sheriff’s Office reported in a statement about the incident.
A dive team recovered the body about 7 p.m., about 5 feet from McKenzie Ridge, in water approximately 12 feet deep. There were no signs of trauma.
Billy Dy, 22, of San Jose, drowned June 18 while swimming in Pleasure Cove.
There were six drownings at Lake Berryessa in 2020, all coming in a threemonth period.
SEATTLE — This is shaping up to be a dire summer for fish and trees.
Temperatures in the Columbia and Snake rivers are already within two degrees of the slaughter zone of 2015, when half the sockeye salmon run was lost because of high water temperatures. An estimated 250,000 sockeye died that year long before reaching their spawning grounds.
The sockeye run is at its peak right now just as temperatures hit record highs across Washington state and in Idaho. Spring and summer chinook and steelhead migrating in the rivers also are at risk.
Salmon are cold-water animals. Temperatures above 62 degrees make them more vulnerable to disease, and as temperatures climb higher, they will stop migrating altogether.
The risk of heat stress is present in the mainstem rivers, but also in fish ladders, where salmon will turn around and head back down river if the temperature is higher at the top of the ladder than where they entered it. Cooling water released at the top of the ladders can only do so much as air temperatures reach unprecedented highs.
Water temperatures are already at dangerous levels despite an earlier start to cold-water releases from deep in the Dworshak Dam, on the Clearwater River, upstream of Lower Granite Dam on the Lower Snake River. Nonetheless, temperatures in the tailrace at Lower Granite are still edging above safe levels for salmon and are even hotter downriver.
Claire McGrath, fisheries biologist for the National Oceanic and Atmospheric Administration based in Portland, said managers are throwing everything they’ve got at the problem – and even mustering trucks to take sockeye out of the Lower Snake River – if they make it to Lower Granite. Instead of migrating naturally in the river, the fish would take the highway to an inland hatchery for spawning.
“Idaho is preparing to move fish, if they have to,” she said adding that very low flows in the Snake River, at 60% of average, are compounding the temperature problem.
Trucking fish obviously is not preferred to natural, in-river migration, McGrath said. “But not at the risk of losing most of the run.”
After the last sockeye meltdown in 2015, the Fish Passage Center concluded in a 2016 memo that a drawdown of the Lower Granite reservoir offers significant potential for reducing the water temperatures at the dam, and possibly contribute to overall lower temperatures at the other downstream Snake River sites.
The idea, so far, has not gained traction.
A GOP Congressman, Mike Simpson of Idaho, has proposed going further, to take out the Lower Snake dams and replace their benefits to boost survival of salmon and steelhead at risk of extinction, a proposal generating plenty of heat of its own.
Steve Ringman/Seattle Times/TNS file (2015) Hot water brought on by climate change kills salmon, such as this sockeye that succumbed to warm water and disease in the lower Columbia in 2015.
Trees stressed by heat
Trees are also suffering. Trees are already stressed after a spring drought. March and April were the fourth driest on record in Washington State since 1895, according to the state Department of Ecology.
Then June – long called Juneuary by locals West of the Cascades for its relentless cool, wet gloom – instead came on hot and dry and now is punishing trees with baking heat.
Hot dry weather pulls water out of trees, and with inadequate moisture in the soil, the interior plumbing of trees ruptures, or cavitates, noted Tom Hinckley, former director for the UW Botanic Gardens’ Center for Urban Horticulture and emeritus professor at the UW School of Environmental and Forest Sciences.
Stressed trees are more vulnerable to bugs and pathogens. Of course the worst tree killer is fire – and conditions this year are set for fire, with dried out vegetation and soils.
Even if trees die back but survive this year, they will be stunted in next year’s growth. That is because this is the time when trees need to be growing their strongest, and socking away food stores for next year’s spring growth spurt. But they have little moisture with which to power photosynthesis, by which they make food and grow new tissue.
The suffering of trees this spring and summer will be recorded. Not only on a landscape that will see more dead trees and trees dying back, usually from the top down. But in rings that in the future will show a harsh season with little growth, as the tree hunkers down, just trying to survive.
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