Braiding Sweetgrass: Indigenous Wisdom, Scientific Knowledge by Robin Wall Kimmerer

By Robin Wall Kimmerer

Known as the paintings of "a captivating storyteller with deep compassion and noteworthy prose" (Publishers Weekly) and the publication that, "anyone drawn to typical historical past, botany, keeping nature, or local American tradition will love," through Library Journal, Braiding Sweetgrass is poised to be a vintage of nature writing. As a botanist, Robin Wall Kimmerer asks questions of nature with the instruments of technology. As a member of the Citizen Potawatomi country, she embraces indigenous teachings that ponder vegetation and animals to be our oldest academics. Kimmerer brings those lenses of data jointly to take “us on a trip that's every piece as mythic because it is clinical, as sacred because it is historic, as smart because it is wise" (Elizabeth Gilbert). Drawing on her existence as an indigenous scientist, a mom, and a girl, Kimmerer indicates how different residing beings provide us presents and classes, no matter if we've forgotten tips to pay attention their voices.

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Extra resources for Braiding Sweetgrass: Indigenous Wisdom, Scientific Knowledge and the Teachings of Plants

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Modern sounding devices measure the time taken for emitted sound to return after reflection from the bottom, relying on a knowledge of the speed of sound in water. The more sophisticated of these also provide for detection of the depths of stratification in sedimentary materials on the lake bottom. The employment of laser devices from aircraft is a recent development that is based on the transmission of light beams with wavelengths that will penetrate water. For more practical purposes, lake morphology is a stable characteristic.

In many saline lakes, gypsum deposition has occurred; Lake Eyre, Australia, is estimated to contain more than 4 billion tons of gypsum. For gypsum to be deposited, sulfate, calcium, and hydrogen sulfide must be present in particular concentrations. Hydrogen sulfide occurs in deoxygenated portions of lakes, usually following the depletion of oxygen resulting from decomposition of biological material. Bottom-dwelling organisms are usually absent. Lakes that contain high concentrations of sodium sulfate are called bitter lakes, and those containing sodium carbonate are called alkali lakes.

The Scheldt of Belgium and the Netherlands), all of the dissolved silica brought into the estuarine waters by rivers is removed by phytoplankton growth (primarily diatoms) resulting from excess fluxes of nutrients and organic matter. In the North Sea, there is now a deficiency of silica and an excess of nitrogen and phosphorus, which in turn has led to a decrease in diatom productivity and an increase in cyanobacteria productivity—a biotic change brought about by cultural eutrophication. The density of water increases at pressures above one atmosphere (the pressure at sea level).

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