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    SILVER RIVER 2015 STUDY

    For 20 years, a road culvert blocked fish in California’s Sharber-Peckham Creek; crews replaced it in 2016, and 2017 monitoring found 740 juvenile coho upstream

    In Northern California, a four-foot metal pipe had hindered salmon migration for two decades. After its replacement, juvenile coho salmon gained access to essential spawning habitats. This case underscores the critical situation of culverts obstructing fish passage nationwide. Recent research has identified the need to evaluate these structures for effective prioritization in upgrades. Continuous investment, study, and conservation efforts are essential for sustaining fish habitats.

    California replaced a fish-blocking pipe on Fort Goff Creek with a bridge in 2014; later monitoring found 64 Chinook salmon nests upstream

    In California, the removal of the culvert on Fort Goff Creek has significantly enhanced fish passage, particularly for salmon. Completed in 2014, a new bridge now connects fish to breeding grounds that were previously inaccessible. Biologists found 64 nests of Chinook salmon in this newly opened habitat, highlighting the importance of addressing culverts nationwide to improve aquatic ecosystems and connectivity.

    In 1793, England completed an inclined plane that carried canal boats 207 feet uphill on wheeled cradles before returning them to the water

    Around 200 years ago, a brilliant team of engineers in England created the Hay Inclined Plane, revolutionizing canal boat transport. This ingenious design enabled boats to move between the River Severn and the Shropshire Canal bypassing locks. By harnessing gravity and the power of counterweights, the system enhanced transport efficiency. As railways became more prevalent in the 19th century, its importance waned.

    In 2020, Miami sank 73 concrete sections from the SW 1st Street Bridge to create an artificial reef; the pieces now provide habitat 8 feet above the seabed

    In an innovative environmental move, Miami-Dade County has submerged sections of a demolished bridge to form artificial reefs. This effort is designed to foster diverse marine life, including fish, sponges, and corals. While studies indicate that concrete is superior for building these reefs, they still fall short of the biodiversity found in natural settings. This undertaking could inspire similar projects in coastal cities nationwide.

    Silver price today: Silver becomes cheaper on Dhanteras; check latest rates and hallmarking rules

    Silver price on Dhanteras: On the auspicious occasion of Dhanteras, silver prices have significantly decreased, providing an excellent opportunity for buyers. The indicative rate for 999-purity silver jewellery on November 6 was Rs 1,81,863 per kg, reflecting a decline of about Rs 5,437 from the prior day. Festive shoppers should consider comparing prices among jewellers. Additionally, India's hallmarking process for silver jewellery has improved traceability since October 2005.

    4x Return: How buying 1 gram of gold every Dhanteras for 21 years built wealth

    Over the past 21 years, investing in gold and silver each Dhanteras has proven to be a wise strategy for wealth enhancement. An initial investment of Rs 76,246 in gold has appreciated to Rs 3,02,400, while silver investment has surged from Rs 1,05,329 to Rs 3,94,800. This trend underscores the importance of steadfast and systematic investing, yielding favorable results despite the ups and downs of the market.

    The Economic Times
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