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www.reference.com/article/bark-beetles-kill-pine-trees-42ce25a387b0184e

Bark beetles kill pine trees by keeping nutrients from traveling from leaves to the rest of the tree and by keeping water from coming upward from the root systems to the leaves. Dehydration and malnutrition combine to damage and kill the trees in which these beetles establish colonies.

www.reference.com/world-view/pine-trees-found-62fcfea67439c8bc

Pine trees are found in such places as Europe, Africa, Asia, the United States and Canada. Pines are mostly native to the Northern Hemisphere. There are 115 types of pine trees found all over the world.

www.reference.com/article/identify-types-pine-trees-9e9665776a2feab7

Identifying different types of pine trees can be difficult, but an educated observer can focus on specific characteristics to help with the process. This education includes observing the quantity and appearance of needles, analyzing the cones and assessing the bark.

www.reference.com/article/pine-trees-come-d6adae014c1e12a2

Pine trees come primarily from the Northern Hemisphere. The trees do best in temperate to moderate climates. Different species grow in many areas in North America.

www.reference.com/world-view/can-tell-kind-pine-tree-48a8c7be1af96ffe

Pine trees can be identified by examining their needles, bark, cones and growth form and comparing the results to a field guide or dichotomous key. Additionally, considering the geographic location of the trees can reduce the list of possible species. For example, loblolly pines are restricted to th

www.reference.com/article/side-effects-pine-bark-extract-f543e99c5213f1dd

Side effects of pine bark extract include headache, nausea, dizziness and minor abdominal discomfort, according to Drugs.com. As of 2015, there is no available data or documentation regarding contraindications and drug interactions of pine bark extract.

www.reference.com/article/pine-trees-located-5d514c52329a9d29

Pine trees grow primarily in the Northern Hemisphere. Several species of pine have been artificially introduced to select temperate and subtropical regions in the Southern Hemisphere.

www.reference.com/article/fun-white-pine-tree-8e510b43a0c509f4

Eastern white pine trees grow more than 100 feet tall and are up to 4 feet in diameter, with needles that are bluish-green in color that are anywhere from 2.5 to 5 inches long in bundles of five. Cones, which bear the seeds of the tree, are usually between 4 and 8 inches long. Some specimens of the

www.reference.com/article/kind-tree-white-bark-3a8beb1c8792cc76

Several commonly planted trees have white bark, including varieties of birch, sycamore and poplar. Among these trees, however, the look of the bark and trunk and their particular shade of white can differ greatly. Thus, an inspection of both, as well as the trees' leaves, can help with identificatio

www.reference.com/article/grow-pine-trees-1d670c10d025fd7d

To grow pine trees, first decide if you want to plant from seeds or seedlings. Harvest seeds from female cones as they fall during autumn. Select viable seeds and germinate them in a container kept indoors. Transplant outdoors once the seedlings have reached between 6 inches and 1 foot in height. Pl