LARE Section 2 Exam Questions & Answers

Aggradation - Answer The progressive accumulation of sediment along or within a stream. Results in elevation change. Alkaline Soils - Answer low conc of H+, high pH, found in areas rich in calcium carbonate. (Basic soils) Bearing Capacity - Answer A measure of the load/unit area that a material can withstand before failure Brownfield Site - Answer A plot of land that was previously developed and is not currently in use. May be contaminated and polluted. Chlorosis - Answer A condition in plants typically caused by an iron deficiency and is manifested by yellowed leaves. Overwatering and lack of aeration in soil are typical causes. Community Resource inventories - Answer A communities natural and cultural assets. Include Wetlands, flood ways, topo, groundwater, woodlands, farmland, wildlife, cultural features, scenic view sheds. Not used for legal or political information. Drainage wind - Answer a wind flowing from a higher elevation to a lower elevation. Evapotranspiration - Answer Evaporation of water from soil plus transpiration from plants. Correlates with species richness. Existing Fuel load - Answer The amount of flammable organic material in an ecosystem. FAR - Answer Floor Area Ratio. Calculated as ratio between the gross square footage of a building and the size of the lot. Fasciation - Answer A disorder that causes a single stem to appear as if it were several stems used together. Caused by Frost insect or physical damage Geomorphology - Answer the study of the characteristics, origin, and development of landforms Greenfield site - Answer A plot of land, often in a rural or on the edge of an urban area that has not yet been subject to any building development. Hydrophobic soils - Answer Repels water and results in decreased infiltration and increased runoff, thereby increasing erosion. Develop from drying, fire, vegetation, OM Hydrophytes - Answer plants with adaptations that enable them to survive in very wet habitats or submerged or at the surface of water. Mesophytes - Answer plants that do not have to tolerate extremes. Needs only moderate ammounts of Water NPK value - Answer Describe the ratio of Nitrogen, phosphorous, and potassium present in a fertilizer. Used to establish soil fertility. Physiography - Answer The branch of biology that deals with normal function of living organisms and their parts Point Source pollution - Answer A source of pollution that can be traced back to a single point. Soil elasticity - Answer Ability of soil to return to its original shape after being subjected to a load Soil plasticity - Answer The ability of a soil to be deformed under pressure without breaking apart. Soils "liquid limit" - Answer The minimum moisture content at which a soil will flow under its own weight Stadia measurements - Answer A way of determining a distance based on the height observation of a 6 ft. object.