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  1. Cottonwood and Balsam Poplar | Geophysical Institute

    Oct 23, 2025 · The Klukwan giant holds the national record for black cottonwood diameter. Its nearest rival, a tree near Salem, Oregon, does hold the national height record. The Klukwan …

  2. Bengaluru Sustainability Forum The Bengaluru Sustainability Forum (BSF) is an inter-institutional collaborative initiative to address issues relating to long-term sustainability of urban and peri …

  3. More on Why Tree Trunks Spiral | Geophysical Institute

    Oct 23, 2025 · I eventually found a tree with a spiral lightning mark and it followed the spiral grain exactly. One tree, of course, proves nothing. "But why should the tree spiral? More speculation …

  4. Jakkur’s Community Gardens: growing your diet by the lake

    A few hundred metres in the walk you come up to the jetty under a big ficus tree from where they drift their coracles to catch the fish. Just here, on the other side, the row of trees gives way to …

  5. The Life of A White Spruce In The Subarctic - Geophysical Institute

    Oct 23, 2025 · The forested area of interior Alaska coincides fairly closely with the range of Picea glauca or white spruce. This majestic tree is one of the most commercially important species in …

  6. Aug 26, 2024 · A variety of exotic tree species are also commonly observed around the city of Bengaluru, these are: Delonix regia, Enterolobium saman, Parkia biglandulosa, Peltophorum …

  7. Witches' Broom | Geophysical Institute

    Oct 9, 2025 · Witches' broom on spruce trees is caused by a rust disease (a kind of fungus disease). The rust lives on the spruce tree throughout the year. Each spring, small yellow …

  8. Urban Biodiversity – Weblinks – Bengaluru Sustainability Forum

    SayTrees This is an NGO planting not only tree saplings but creating patches of forest within Indian cities – mainly Bengaluru. You can check out their website to find more information on …

  9. Tamarack -- Not A Dead Spruce | Geophysical Institute

    Oct 16, 2025 · It is not possible to foretell if tamarack may some day become a commercial crop, but one thing is certain: the "spruce that dies" each fall has some unique qualities that make it …

  10. Lake Management & Conservation - Bengaluru Sustainability Forum

    Community-driven initiatives, such as citizen-led lake cleaning drives, tree planting campaigns, and educational programs, contribute to building a sense of ownership and responsibility …