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FISH LADDERS
The U.S. Army Corps of Engineers spent $7 million on fish ladders in 1938 to move salmon past Bonneville Dam; decades later, the system carries 1 million a season in good yearsThe Bonneville Dam’s fish ladders, designed as part of a New Deal initiative, remain operational after decades of service. The construction...- Maryland spent $12 million on a fish lift in 1991 to move American shad past Conowingo Dam; decades later, annual runs remained far below the 2 million-fish targetMaryland invested $12 million in a fish lift to help migrating shad overcome the Conowingo Dam. This technological solution proved ineffect...
- In 2012, PacifiCorp launched a trap-and-haul program to move adult salmon upstream past Merwin Dam. 14 years later, researchers found 2 stages in the system but 1 decisive bottleneck: young salmon failing to find the artificial current downstreamA trap-and-haul program on Washington’s Lewis River helps adult Chinook salmon bypass Merwin Dam by transporting them in trucks to upstream...
- In the 2nd century CE, Romans built a mysterious structure near the Colosseum decorated with sea creatures. Nearly 2,000 years later, its mosaic offered a surprising clue that it may have housed Rome's firefightersBeneath the ancient soil of Rome’s Caelian Hill, just steps from the iconic Colosseum, archaeologists stumbled upon a stunning two-thousand...
- How a 39-year-old California man survived over a month lost at sea with no water, limited food and a makeshift boat repairA California man survived over a month alone at sea after his sailboat suffered major damage. He improvised repairs using available materia...
- Kai Sato adrift at sea: California sailor survives 30 terrifying days in the Pacific after losing mast, running out of water and drifting 900 miles from Hawaii before dramatic rescueIn a remarkable journey, California sailor Kai Sato survived 30 days stranded in the Pacific after his sailboat lost its mast, leaving him ...
- In 1948, America built Mud Mountain Dam for flood control; decades later, a $112 million facility was designed to carry 1.2 million fish around it annuallyThe Mud Mountain Dam serves as a crucial flood prevention structure, shielding communities downstream from severe weather. Yet, its constru...
- In 1942, America completed Friant Dam and diverted most of the San Joaquin River into farms; a salmon run once numbering nearly 50,000 adults collapsedFriant Dam construction in California significantly altered the San Joaquin River's flow. This action disconnected salmon from their spawni...
- In 2016, when river dams trapped Japan's giant salamanders, scientists came up with an unusual solution: building custom ladders instead of removing the damsResearchers in Japan developed special ladderways for giant salamanders to cross river dams. These step-type structures with side walls pro...
- Best proverb of the day: 'If you want happiness for an hour, take a nap. If you want happiness for a lifetime...' Life lessons on human nature, joy, kindness, and why helping others brings real peaceBest proverb of the day today: Chasing wealth for lasting happiness is a futile pursuit, as a timeless proverb reveals. While naps offer te...
- Scientists Finally Explain Why Fish Break Formation Mid-SwimFish schools, appearing chaotic when splitting and reuniting, actually follow biological and physical rules. This dynamic behavior aids in ...
- Body of missing Chinese sailor fished out of sea in Odisha's ParadipA Chinese sailor, Zhang Tai, who went missing after falling into the sea at Paradip Port in Odisha on Friday, was found dead on Sunday. A s...
- Most money for endangered species goes to a small number of creatures, leaving others in limboSince the passage of the Endangered Species Act, over 1,700 species in the US have been listed as threatened or endangered. However, there ...
- European drought dries up rivers, kills fish, shrivels cropsThere has been no significant rainfall for almost two months in Western, Central and Southern Europe. And the dry period is expected to con...
- Arunachal Pradesh CM Nabam Tuki assures passage of fish in damsAP CM Nabam Tuki today assured to incorporate in MoUs and MoAs provisions of passage for fish at dams of upcoming power projects in the sta...
- India can give more market access to Bangladesh: AssochamThe industry body said the Prime Minister's two-day visit is likely to see bold moves take economic relations.
- Tata Power to commission 2 South African wind projects in 2017Tata Power, which has an installed generation capacity of 8,560 MW, is developing the two projects through an equal joint venture.
- Tata Power eyes SAARC, South East Asia, Africa for growthTo fuel its ambitious growth plans, Tata Power is focusing on overseas opportunities spread across four regions including South East Asia a...
- Rapid decline in commercially important fishes in GangaIt is ironical that Patnaites consume fishes imported from Andhra Pradesh despite the city situated on the bank of the Ganga.The number of ...
- Dams destroying fisheries, livelihoodsThe Delhi-based South Asia Network on Dams, Rivers & People (Sandrap) has urged the Union ministry of environment forests (MoEF) and its ex...
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