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  2. Tree spiking - Wikipedia

    en.wikipedia.org/wiki/Tree_spiking

    In the book, he discusses how to do it and how to avoid risks to the activist and the logger, such as by putting warning signs or marks in the area where the trees are being spiked. [3] [4] On 8 May 1987, George Alexander, a millworker, was severely injured when a saw blade shattered after contact with a tree spike and cut his jaw in half.

  3. Thorns, spines, and prickles - Wikipedia

    en.wikipedia.org/wiki/Thorns,_spines,_and_prickles

    Prickles on a blackberry branch. In plant morphology, thorns, spines, and prickles, and in general spinose structures (sometimes called spinose teeth or spinose apical processes), are hard, rigid extensions or modifications of leaves, roots, stems, or buds with sharp, stiff ends, and generally serve the same function: physically defending plants against herbivory.

  4. Arboreal locomotion - Wikipedia

    en.wikipedia.org/wiki/Arboreal_locomotion

    Animals other than primates that use gripping in climbing include the chameleon, which has mitten-like grasping feet, and many birds that grip branches in perching or moving about. To control descent, especially down large diameter branches, some arboreal animals such as squirrels have evolved highly mobile ankle joints that permit rotating the ...

  5. Hura crepitans - Wikipedia

    en.wikipedia.org/wiki/Hura_crepitans

    The sandbox tree can grow to 60 metres (200 ft) in height, [7] and up to 13 metres (44 ft) in girth at 1.8 metres (6 ft) above the ground; [8] its large ovate leaves grow to 60 cm (2 ft) wide. The trees are monoecious, with red, un-petaled flowers. Male flowers grow on long spikes, while female flowers grow alone in leaf axils.

  6. Smilax rotundifolia - Wikipedia

    en.wikipedia.org/wiki/Smilax_rotundifolia

    The leaves are glossy green, petioled, alternate, and circular to heart-shaped. They are generally 5–13 cm long. Common greenbrier climbs other plants using green tendrils growing out of the petioles. [5] The stems are rounded and green and are armed with sharp thorns. The flowers are greenish white, and are produced from April to August.

  7. Tree climbing - Wikipedia

    en.wikipedia.org/wiki/Tree_climbing

    Tree climbing is a recreational or functional activity consisting of ascending and moving around in the crowns of trees. A rope, helmet, and harness can be used to increase the safety of the climber. Other equipment can also be used, depending on the experience and skill of the tree climber.

  8. 20 Best Climbing Plants for Your Garden - AOL

    www.aol.com/entertainment/20-best-climbing...

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  9. Secondary succession - Wikipedia

    en.wikipedia.org/wiki/Secondary_succession

    Secondary succession is the secondary ecological succession of a plant's life. As opposed to the first, primary succession, secondary succession is a process started by an event (e.g. forest fire, harvesting, hurricane, etc.) that reduces an already established ecosystem (e.g. a forest or a wheat field) to a smaller population of species, and as such secondary succession occurs on preexisting ...

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