UK village fights to turn back tide of climate change
Kevin Jordan thought he would spend his retirement listening to the sound of the sea at his home on the Norfolk coast in eastern England.
Kevin Jordan thought he would spend his retirement listening to the sound of the sea at his home on the Norfolk coast in eastern England.
Environment
Jul 20, 2024
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Ever since Polynesian pioneers took to the ocean on wooden rafts, people have been hooked on riding waves. Today, surfing is one of the world's fastest-growing sports and one of the latest additions to the Olympic games.
Economics & Business
Aug 3, 2024
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A University of Kentucky study titled "Productivity benefits of cereal-legume cover crop mixtures under variable soil nitrogen and termination times" suggests that mixing cover crops is a beneficial strategy for modern agriculture.
Agriculture
Jul 17, 2024
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In Tunisia's seaside town of Hammamet, bulldozers diligently shovel sand from a nearby desert onto a popular beach in an attempt to stop it from disappearing due to erosion.
Environment
Jul 23, 2024
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Quality is the core characteristic of cultivated land and is crucial for ensuring sustainable resource utilization and national food security. To meet the increasing demand for food driven by rapid population growth and the ...
Agriculture
Jul 10, 2024
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Managing the water quality of farm dams is critical to the health of livestock as well as boosting crop production, according to new research from the Sustainable Farms group at The Australian National University (ANU).
Ecology
Jul 18, 2024
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For morphological image processing operations, see Erosion (morphology) For use of in dermatopathology, see Erosion (dermatopathology)
Erosion is the removal of solids (sediment, soil, rock and other particles) in the natural environment. It usually occurs due to transport by wind, water, or ice; by down-slope creep of soil and other material under the force of gravity; or by living organisms, such as burrowing animals, in the case of bioerosion.
Erosion is distinguished from weathering, which is the process of chemical or physical breakdown of the minerals in the rocks, although the two processes may occur concurrently.
Erosion is a noticeable intrinsic natural process but in many places it is increased by human land use. Poor land use practices include deforestation, overgrazing, unmanaged construction activity and road-building. Land that is used for the production of agricultural crops generally experiences a significant greater rate of erosion than that of land under natural vegetation. This is particularly true if tillage is used, which reduces vegetation cover on the surface of the soil and disturbs both soil structure and plant roots that would otherwise hold the soil in place. However, improved land use practices can limit erosion, using techniques such as terrace-building, conservation tillage practices, and tree planting.
A certain amount of erosion is natural and, in fact, healthy for the ecosystem. For example, gravels continuously move downstream in watercourses. Excessive erosion, however, does cause problems, such as receiving water sedimentation, ecosystem damage and outright loss of soil.
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