Warning: 15,498 ‘High-hazard’ Dams in America

Breitbart News – The new American Society of Civil Engineers 2017 Infrastructure Report Card (ASCE) has identified 15,498 high-hazard dams, whose failure could risk loss of life. ASCE is appropriately holding this year’s Environmental & Water Resources Institute (EWRI) in Sacramento, California from May 21 to 25. The meeting is an opportunity for its members and infrastructure Read More…

LA lawns lose lots of water: 70B gallons a year

Phys Org – In summer 2010, Los Angeles was losing about 100 gallons of water per person per day to the atmosphere through the evaporation and plant uptake of lawns and trees. Lawns accounted for 70 percent of the water loss, while trees accounted for 30 percent, according to a University of Utah study published in Water Resources Research. The results, based on measurements taken Read More…

Male Fish Borrows Egg to Clone Itself

The Scientist – Researchers in Portugal studying a rare type of hybrid fish in the Ocreza River have found an individual that is the exact genomic match to his father. While such androgenesis—the reproduction of a male with no female genetic component—occurs in some non-vertebrates and has been induced in vertebrates artificially, today’s report (May 24) in Royal Society Open Science Read More…

Effective restoration of aquatic ecosystems

Science Daily – Despite having increased human wellbeing in the past, intense modifications by multiple and interacting pressures have degraded ecosystems and the sustainability of their goods and services. For ecosystem restoration to deliver on multiple environmental and societal targets, the process of restoration must be redesigned to create a unified and scale-dependent approach that Read More…

Over USD 497,000 destined for fisheries and aquaculture research

FIS – The Fisheries and Aquaculture Research Fund (FIPA) has placed a total of five research projects within the Public Market portal, including an indicative budget of CLP 336 million (approximately USD 497,300). These projects cover a number of areas, such as the study of gaps presented by the process activity derived from the jumbo flying squid to reach international markets, and the Read More…

Following a wet winter, Napa River fish trap yields high salmon count

Napa Valley Register – Jonathan Koehler is working the biggest fish-trapping contraption on the Napa River and finding out good news about Chinook salmon after a historic rain year. This eight-foot-diameter metal funnel floats half-submerged and rotates as currents hit the inner baffles. Fish swim inside and end up trapped in a water-filled compartment. “It’s sort Read More…

Columbia River shad count lowest in 33 years

The Seattle Times – 285 bank rods kept 22 adult and 1 jack spring Chinook and 1 steelhead and released 2 adult spring Chinook and 5 cutthroats.  94 boat rods kept 28 adult spring Chinook and 1 steelhead and released 5 cutthroats. Last week, Tacoma Power employees recovered 315 spring Chinook adults, 34 spring Chinook jacks, 43 winter-run steelhead adults and 18 summer-run steelhead Read More…

Water Quality & Allocation: State Water Board Overview & the Delta…

Maven's Notebook – Panel discussion touches on State Water Board’s authorities and the Bay Delta Water Quality Control Plan he State Water Resources Control Board was formed in 1967 in order to integrate water quality and allocation in California. Structured as a merger between the previously-existing State Water Rights Board and the State Water Quality Control Board, the new Board was Read More…

Scientists urge postponing Pak Beng hydropower project

Viet Nam Net Bridge – Laos is set to move forward to build Pak Beng hydropower dam on Mekong mainstream, but technical reports about the project still do not provide adequate information. Vietnamese Minister of Natural Resources and the Environment and Chair of the Vietnam Mekong River Commission, Tran Hong Ha, on May 12 chaired a workshop on the building of the Lao Pak Beng hydropower Read More…

California’s ‘iconic’ native fish facing extinction, with…

The Press Democrat – On a tree-shaded bend in Dutch Bill Creek at Monte Rio, three technicians from the Sonoma County Water Agency huddled on a gravel bar to examine the day’s catch, all in the name of science and a sustained campaign to restore one of California’s most endangered fish. Retrieving 163 coho salmon smolts, or young fish, from a wooden fish trap set in knee-deep, clear Read More…