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Method of Travel | High Sierra Backpacker

You are here2018

2018


Alex Wierbinski's picture

US Commercial Bees Taking Heavy Losses in 2018, Hanging in There...

 

THE BUZZ

Bees in the Hive at Roberson Farm
Bees in the Hive at Roberson Farm, Farmers.Gov.
Bees at Roberson Farm, FarmersGov.

US Bee Status Report

Commercial Bees Taking Heavy Losses, Hanging in There...

US Beekeepers Lost Over 40% of Colonies Last Year, Highest Winter Losses Ever recorded,
University of Maryland, June 19, 2019.

MAIN POINTS

Year
41% Hive Loss
"Beekeepers across the United States lost 40.7% of their honey bee colonies from April 2018 to April 2019..."

Over-Wintering Losses
"...winter losses of 37.7%, which is the highest winter loss reported since the survey began 13 years ago and 8.9 percentage points higher than the survey average."

The New Normal?
"Overall, the annual loss of 40.7% this last year represents a slight increase over the annual average of 38.7%."

Grim Long Term Trends
"Just looking at the overall picture and the 10-year trends, it's disconcerting that we're still seeing elevated losses after over a decade of survey and quite intense work to try to understand and reduce colony loss."

Alex Wierbinski's picture

2018 WATER YEAR: Another Climate Changing Warmer & Drier Year

CLIMATE & WATER

Another Climate Changing Warmer & Drier Year

Below Average Precipitation for Water Year 2018,
California Dept of Water Resources, October 1, 2018.

MAIN POINTS

"Despite below-average precipitation in water year 2018, most California reservoirs are storing near- or above-average levels of water heading into the 2019 water year."

Highlights

SoCal Less than Half
Much of Southern California ended up with half or less than half of average annual precipitation.

58% of Average
The April 1 statewide snowpack based on over 260 snow courses was just 58 percent of average for water year 2018, a dramatic drop from 159 percent of average for the same date in 2017.

Record Heat, Too...
The water year coincided with ongoing warming conditions, setting new records this summer for maximum temperatures in the South Coast region.

"Transition" to More Fire...
Water year 2018 is indicative of California’s ongoing transition to a warmer climate, which after years of extreme variability in annual precipitation, resulted in record-breaking wildfires.

Alex Wierbinski's picture

August 2018: NASA Observes Widespread Smokey Skies from Western Fires

Widespread Smokey Skies from Western Fires

A Serious Mountain Safety Concern

Smokey Skies in North America,
NASA Earth Observatory, August 17, 2018.

"In mid-August 2018, deadly blazes across the western United States and Canada continued to destroy structures and disrupt the lives of millions of people. But you did not have to be close to the fires to witness its effects. These images show just how far across North America winds have carried the thick plumes of smoke."

 

Recently

Smokey Oregon,
NASA Earth Observatory, August 15, 2018.

“On August 15, 2018, nine large fires were burning in Oregon...”

 

NASA Images

Fire Season in the Western United States

 

 

Alex Wierbinski's picture

All July 2018 High Sierra News of Man & Nature

Basic Sources of July 2018 News of Man & Nature

 

July 2018 News of Man & Nature

 

 

Mountain Safety

 

Fire Information

 

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