Posts Tagged ‘desert’

A Desert Runs Through It – A Photographer’s View

April 10, 2014

By Alison M. Jones, Director of No Water No Life ® and Photographer
As published by American Rivers in “The River Blog” – April 9, 2014

On the seventh day of exploring impacts of drought in California’s Central Valley, I slipped down some loose scree into a San Joaquin riverbed.  Shadows of Mendota’s bridge on San Mateo Road were lengthening.  That early-evening hush of the desert was overtaking the power of the sun’s heat.  There was just enough light to photograph a snake-like bed of sand swallowing
the San Joaquin River.

Jones_140317_CA_0946Sierra Nevada Mountain glaciers no longer melt into the basin of California’s long-lost Corcoran Lake of 750,000 years ago. That vast inland sea spilled into the Pacific half a million years ago, but it left a rich legacy. Over the last 10,000 years glacial melt, winter rains, Sierra snow carved the San Joaquin and Sacramento Rivers and added further nutrients to one of the world’s most plentiful breadbaskets.

California, San Joaquin River National Wildlife Refuge

California, San Joaquin River National Wildlife Refuge

Those rivers flowed freely until 1919 when human engineers began redesigning California into a sprawling network of levees, aqueducts, canals, pumps, dams and reservoirs. Today, the Central Valley Project (1930) and State Water Project (1957) supplies water to 22 million Californians, irrigates 4 million acres, and provides hydro-electricity, flood control and recreation.  Built in 1941, Fresno’s Friant Dam irrigates over a million acres of farmland, but it leaves 60 miles of the San Joaquin River dry.

San Joaquin River Valley, ripples from striped bass in this remnant of San Joaquin River

San Joaquin River Valley, ripples from striped bass in this remnant of San Joaquin River

“Picture a river running through a desert.  Now picture a desert running through a river.”  I read that concept two days earlier at the Delta Visitor Center. It was now in my camera’s viewfinder.  Amidst a whine of mosquitos, I considered this crippled river, nature’s persistence versus man’s ingenuity, and how one balances nature’s productivity with human productivity.

Sudden splashes from behind were an alert that I’d hiked out alone from a dirt road.  But then I saw telltale stripes flashing and fish thrashing, framed by willow roots in shallow water.

USA: San Mateo Road crossing of San Joaquin River

USA: San Mateo Road crossing of San Joaquin River

There were four or five – maybe even seven – each at least 18 inches long. Flipping over each other, they fled my shadow into the far end of their stagnant puddle, leaving me with only ripples to photograph.  Striped bass, introduced to the California Delta in the 1800’s, are a saltwater species that seek freshwater for spawning.

Can they survive this three-year drought?  It’s unlikely there’ll be further significant rain this year, so human intervention would be needed. That’s not likely, given today’s unprecedented clamoring for water by municipalities and farmers.

There are, however, signs of hope.  In 2009, Friant Dam began  “restoration flows,” released by water users’ negotiated agreements.  In December 2013, National Marine Fisheries Service announced it might re-introduce spring Chinook salmon to the San Joaquin.  Salmon thrive in big, broad rivers, but struggle in drought and heat. However, restored flows and recognition of common interests, suggest that Chinook salmon may again reach the Sierra Nevadas.

CA, Central Valley, Delta Mendota Canal, part of State Water Project

CA, Central Valley, Delta Mendota Canal, part of State Water Project

American Rivers’ 2014 focus is on the San Joaquin River.  With their efforts, coordinated with other stakeholders, the San Joaquin River between Mendota and Fresno will hopefully become more than a fish trap in desert sand.

>>> TAKE ACTION! Tell Congress to protect water flows
in the San Joaquin.

Weekly Photo Challenge: Grand

December 11, 2013
California: Death Valley National Park, view from Zabriskie Point with tourist enjoying overlook, January.

California: Death Valley National Park, view from Zabriskie Point with tourist enjoying overlook, January.

No Water No Life’s photo pick in response to The Daily Post’s Blog –  Weekly Photo Challenge: Grand.

Africa’s desert “fairy rings” become a story of water and life

April 3, 2013
Fairy circles in Namibia.

Fairy circles in Namibia.

New research explains that sand termites (Psammotermes allocerus) are the engineers of fairy circles which stipple deserts thru Angola, Namibia into South Africa. These circles can grow to up to 40 feet across. For years, the origins of these circular, barren areas have baffled scientists and visiting tourists. The local Himba tribal people believe that they are footprints of their god,”Mukuru.” Others blame a mythical dragon’s poisonous breath for killing these circles of vegetation.

Taking some of the fun out of this up-til-now-unsolved mystery, a German scientist has just claimed that this clandestine and underground species of termites munch at grass roots, clearing patches of vegetation. Thus the soil becomes more porous and better able to absorb and retain the regions much needed rainfall.  In what has become a fascinating NWNL / Sherlock Holmes-type of investigation, scientists now think the water collects underground nourishing surrounding perennial grasses, forming a ring and providing food for the termites as well as attracting other organisms.

According to this current wild desert theory, termites turn “predominantly ephemeral life into landscapes dominated by species-rich perennial grassland,” an example of fauna allowing flora to absorb water even in the most arid, drought conditions. (See recent articles on this in National Geographic and The NY Times.)

This scientific explanation of the “fairy ring’s” phenomenon is one of nature’s most extreme examples of  “no water – no life” – and perhaps even more intriguing than ancient tribal explanations about a dragon’s breath.

NA-PUR-304

Namibia: Kaokoland, Himba Tribe woman weaving w/ children

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