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  2. Oak regeneration failure - Wikipedia

    en.wikipedia.org/wiki/Oak_regeneration_failure

    Oak regeneration failure is a woodland phenomenon whereby insufficient oak seedlings and saplings are recruited into the canopy to replace dead mature oaks.The result is a local decline in oak numbers while other more shade-tolerant trees such as maple, lime, and ash may become more prominent.

  3. Oak wilt - Wikipedia

    en.wikipedia.org/wiki/Oak_wilt

    Oak wilt is a devastating exotic disease, killing some trees rapidly in a single season. [7] Oak wilt is an important disease in urban areas where trees are highly valued. . The disease reduces property values because of the loss of trees and is economically costly to the property owner since they or the local government must pay for tree remo

  4. Acute oak decline - Wikipedia

    en.wikipedia.org/wiki/Acute_oak_decline

    Acute oak decline (AOD) is a disease that infects oak trees originally described in the UK. It mainly affects mature oak trees of over 50 years old of both Britain's native oak species: the pedunculate oak ( Quercus robur ) and the sessile oak ( Quercus petraea ).

  5. ‘Frustrated’ California family says insurer dropped them ...

    www.aol.com/finance/frustrated-california-family...

    A family in San Carlos, California, is facing an impossible decision: spend more than $40,000 to remove a nearly 500-year-old heritage white oak tree in their backyard or find new homeowners ...

  6. Phytophthora ramorum - Wikipedia

    en.wikipedia.org/wiki/Phytophthora_ramorum

    The disease kills oak and other species of trees and has had devastating effects on the oak populations in California and Oregon, as well as being present in Europe. Symptoms include bleeding cankers on the tree's trunk and dieback of the foliage , in many cases leading to the death of the tree.

  7. Oak - Wikipedia

    en.wikipedia.org/wiki/Oak

    Category: Individual oak trees. Several oak trees hold cultural importance; such as the Royal Oak in Britain, [116] the Charter Oak in the United States, [117] and the Guernica oak in the Basque Country. [118] "The Proscribed Royalist, 1651", a famous painting by John Everett Millais, depicts a Royalist hiding in an oak tree while fleeing from ...