Tree Health Articles

  • Landscape trees benefit from potassium-based superabsorbent polymer-amended backfill soil

    Weiner (1975) put it aptly when he stated that “However rewarding the act of tree planting may be, watching a young tree slowly die can be spiritually defeating.” Landscape plants, noted Richard Harris (1983) in his well-known “Arboriculture” book, “probably suffer more from moisture-related problems than from any other cause.” The success of tree planting ...

  • Can superfoods boost the planet’s health, too?

    As demand for African and Asian tree-based superfoods grows, researchers and entrepreneurs eye ways to maximize benefits for the environment. It can seem like new health food fads pop up every week — fads that often fade as quickly as they appear. Two gaining steam lately, though, may be worth a longer look: baobab and moringa. Traditional fare in parts of Africa (and for moringa, ...


    By Ensia

  • Seeing the forest and the trees, all 3 trillion of them

    A new Yale-led study estimates that there are more than 3 trillion trees on Earth, about seven and a half times more than some previous estimates. But the total number of trees has plummeted by roughly 46% since the start of human civilization, the study estimates. Using a combination of satellite imagery, forest inventories, and supercomputer technologies, the international team of researchers ...


    By GLOBE Foundation

  • If you know what’s good for you, you’ll read this under a tree

    You’ve probably noticed how being around trees, grass and flowers can make you feel better. Now, evidence is mounting that the presence of green and growing things is associated with being healthier, too. Reporting at Journalist’s Resource, Justin Feldman ...


    By Ensia

  • Is Tree Plantation Sustainable?

    According to, say oxford dictionary, Sustainability is that capacity or ability of something that enables it to maintain itself. It includes taking some initiative today that might have long-term benefit. If something you are doing is said to be “sustainable”, it should have the ability to continue forever. So is tree plantation sustainable? Living sustainability refers to us, the ...


    By Enviro Frontier

  • The impact of beetle-induced conifer death on stand-scale canopy snow interception

    Bark beetles have killed more than 100,000 km2 of pine forest in western North America, causing trees to lose the majority of their canopy material and potentially leading to enhanced subcanopy snow accumulation. Over a 45-day period, we tested this hypothesis by measuring daily snow accumulation in three living and two dead lodgepole pine stands and in three adjacent clearings. The largest ...


    By IWA Publishing

  • Interactive effects of pesticide mixtures, predators, and environmental regimes on the toxicity of two pesticides to red‐eyed tree frog larvae

    Global amphibian declines have many corroborative causes and the use of pesticides in agriculture is a likely contributor. In places with high pesticide usage, such as Costa Rica, agrochemical pesticides may interact with other factors to contribute to rapid species losses. Classical ecotoxicological studies rarely address the effects of a pesticide in combinations with other stressors. Here, ...


    By John Wiley & Sons, Ltd.

  • Book Byte: We Can Reforest the Earth

    Protecting the 10 billion acres of remaining forests on earth and replanting many of those already lost are both essential for restoring the earth’s health. Since 2000, the earth’s forest cover has shrunk by 13 million acres each year, with annual losses of 32 million acres far exceeding the regrowth of 19 ...


    By Earth Policy Institute

  • Northern California company clears steep grove.

    Uses a compact brush chipper, crane to raze area Constructing an addition to a major hospital is not so unusual, but having to clear a grove of eucalyptus trees on an extremely steep hillside before doing so was a major challenge for Rich Kingsborough and his crew at Atlas Tree Service in Santa Rosa, Calif. Atlas Tree has been providing brush and tree-clearing work in the ...


    By Vermeer

  • Biological diversity of peatlands in Canada

    Abstract.  Knowledge about the biodiversity of Canada’s vast peatlands is poor largely because peatlands have not been routinely differentiated from other types of habitats. Plants are better known than the animals. Systematic surveys of peatland plants began in the late 1800s, but did not begin in earnest until the 1950s. With the exception of a few marshes, peatlands are classified into ...


    By Springer

  • Relative Importance of Environmental Stress and Herbivory in Reducing Litter Fall in a Semiarid Woodland

    We examined the impact of soil stress (low water and nutrient availabilities) and two keystone insect herbivores on pinyon pine (Pinus edulis) needle litterfall. We compared trees growing on two distinct soil types: volcanic cinders, which exhibit pronounced water and nutrient limitation, and sandy-loam soils, which have higher water-storage capacity and nutrient availability. Using two long-term ...


    By Springer

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