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Sonic tomography, or the use of sound waves to detect decay in trees, is a relatively new technology available to arborists. This technology uses the differential speed of sound as it moves through solid wood, decayed wood, or hollow space to create a...
Thousands of trees are struck by lightning every year. These trees will have varying degrees of damage ranging from complete shattering and destruction of the tree, to a slow lingering death, to virtually no apparent damage at all (Figure 1). When...
Conifers are commonly planted in North America to provide year-round screening, as windbreaks or as focal trees in the landscape. However, conifers including certain species of spruce, pine, hemlock, cedar and fir planted in northern areas of North...
North American forests and forest management institutions are experiencing a wide range of significant ecological disturbances and socioeconomic changes, which point to the need for enhanced resilience. A critical capacity for resilience in...
Sunflower is a unique model species for assessing crop responses and adaptation to climate change. We provide an initial assessment of how climate change may influence the abiotic and biotic environment of cultivated sunflower across the world. We find...
This guide is applicable to other states and is a good framework for those interested in creating pollinator habitat.
Pollination – the transfer of pollen from a male anther to a female stigma – is basic to the sexual reproduction of flowering...