Environmental Studies

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What is the Environmentalists Paradox? How do you explain it? What does it mean for the future?
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Terms in this set (21)
Biomes. How is the biome limited, what is missing for optimal growth?a large naturally occurring community of flora and fauna occupying a major habitat, e.g., forest or tundra.C:P:N:Spopulation dynamicsThe study of how complex interactions between biotic and abiotic factors influence variations in population size.Population Growth curvesConstant rate of population growth: simplest type of growth to model Exponential increase: every species has the capacity to increase population when conditions are favorable ( J-curve) Carrying capacity (K): upper limit to the population of any particular species that an ecosystem can support Logistic growth: when processes slow population growth so that size of population levels off (S-curve) Real-life growth: often do not follow idealized equationstrophic level of food chainHow do terrestrial and Marine Ecosystem food chain differ in terms of structure and efficiency? How can the pyramid be inverted into a marine chain?Transfer of energy is more efficient in aquatic system Aquatic systems do not always have the same kind of biomass pyramid as terrestrial systems -Short life cycles of organisms on the bottom of the food chain -Animals at the top of the food chain live far longerHow do biomes/ecosystems respond to disturbance/change?Role of fire--prairie--reseeding (controlled burns; railroad and native plants)What is succession, what are its stages and how does it change?the process by which the structure of a biological community evolves over time. Two different types of succession. Primary succession occurs in essentially lifeless areas—regions in which the soil is incapable of sustaining life as a result of such factors as lava flows, newly formed sand dunes, or rocks left from a retreating glacier. Secondary succession occurs in areas where a community that previously existed has been removed; it is typified by smaller-scale disturbances that do not eliminate all life and nutrients from the environment.how does mitigation and restorations differ?mitigation is the reduction of greenhouse gas emissions by a variety of strategies and policies. Restoration ecology is the intent of ecosystem restoration is to repair damage to specific lands and waters so that normal ecosystems integrity resilience and productivity return.theory with respect to common goods?introduced/invasive speciesspecies that is not native and was brought to an area as a result of human activity