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1.5: Soil Health Assessment Part III- Soil Color, Biological Diversity

WEB1.5: Soil Health Assessment Part III- Soil Color, Biological Diversity, and Biopores Last updated; Save as PDF Page ID 28878

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8.1: Introduction to Soil Health

WEBIntroduction to Soil Health. (Adapted from NRCS, 2017) Soil health is also commonly referred to as, soil quality. As defined by the Natural Resource Conservation …

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8: Soil Health & Quality

WEB8.1: Introduction to Soil Health. Soil health is also commonly referred to as soil quality. As defined by the Natural Resource Conservation Service, soil health is “the …

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1.7: Soil Health, Plant Health and Human Health

WEBNutrient Deficiencies. When crops are grown over many years, nutrients in soil are steadily absorbed by plants. In natural ecosystems the nutrients in plant material …

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2.2: Why Soil Organic Matter is So Important

WEBOrganic matter, as residue on the soil surface or as a binding agent for aggregates near the surface, plays an important role in decreasing soil erosion. As with …

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10.2: Benefits of Cover Crops

WEBCover crops provide multiple potential benefits to soil health and to the following crops, while also helping to maintain cleaner surface water and groundwater …

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19.1: Climate Systems and Change

WEBClimate has changed throughout Earth history. Much of the time Earth’s climate was hotter and more humid than it is today, but climate has also been colder, as when glaciers …

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11.4: Food Chains and Food Webs

WEBTrophic Levels. A food chain follows one path of energy and materials between species. A food web is more complex and is a whole system of connected food chains. In a food web, organisms are placed into different trophic levels. Trophic levels include different categories of organisms such as producers, consumers, and decomposers.

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7.6: Effects of Volcanic Eruptions on Humans and on Earth …

WEBFigure 7.6.1 Looking From the North to Mt. Garibaldi (Background Left of Centre, Shrouded in Cloud) with Garibaldi Lake in the Foreground. The volcanic peak in …

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2.3: Organic Matter And Natural Cycles

WEBThe Water Cycle. Organic matter plays an important part in local, regional and global water cycles due to its role in promoting water infiltration into soils and …

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1.5: The Study of Geology

WEBGeology plays an important role in society; its principles are essential to locating, extracting, and managing natural resources; evaluating environmental impacts of using or …

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8.2: Water Quality

WEB8.2: Water Quality. The US Environmental Protection Agency (EPA) regulates drinking water quality via the Safe Drinking Water Act. Drinking water quality standards are …

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3.2: Soil Health and Management

WEBINTRODUCTION. The potential for soil degradation remains a constant threat to the resiliency and sustainability of agricultural and natural ecosystems. When …

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14.3: The Impacts of Urban Sprawl

WEBThus, urban sprawl produces many adverse impacts that have direct effects on the quality of life. Figure 14.3.1 14.3. 1: Sprawl vs. Compact Cities. An often cited example of urban …

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7.8: Wetlands and water quality

WEBFlood Protection. Because of their low topographic position relative to uplands (e.g., isolated depressions, floodplains), wetlands store and slowly release surface water, rain, snowmelt, groundwater and flood waters. Trees and other wetland vegetation also impede the movement of flood waters and distribute them more slowly over …

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2.1: Maps and Map Types

WEBNotwithstanding the actual medium of the map (e.g., our fleeting thoughts, paper, or digital display), maps represent and describe various aspects of the world. For …

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13.7: Eutrophication

WEB13.7: Eutrophication. Eutrophication occurs when excess nutrients are introduced into a body of water. This process increases the rate of supply of organic matter in an …

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11.2: Anthropogenic Effects on Water Quality

WEBFigure 11.2.1 Pesticide Incidence in Groundwater in the United States, 1993 to 2011. Large amounts of nitrogen, phosphorous and potassium fertilizers are applied to fields all over the world. These nutrients help the crops to grow, but if more fertilizer is applied that is really needed, then the excess will end up making its way into the

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1.2: Science as a Way of Understanding the Natural World

WEBThe Nature of Science. Science is a way of knowing about the world around us. Environmental science focuses on gaining an understanding of how the environment, …

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