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Erstellt von kaylakring
vor mehr als 9 Jahre
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Frage | Antworten |
Ecosystem | All of the organisms in a given area plus the physical environment in which they interact |
Ecosystem Services | Essential ecological processes that make life on Earth possible. Benefits: nutrient cycle, air and water purification. Ecosystem Goods: Food and Fuel |
Net Primary Productivity | A measure of the amount of energy captured via photosynthesis and actually stored in the photosynthesis organism |
Food Security | Having physical, social and economic access to sufficient, safe and nutritious food. Ex: Livestock Rearing |
Food Sovereignty | The right of peoples to healthy and culturally appropriate food produced through ecologically sound and sustainable methods, and their right to define their own food and agriculture systems. Ex: Fishing |
Biotic | Living things or their materials that directly or indirectly affect an organism in its environment. Ex: disease, predation, parasitism |
Abiotic | Non-living physical and chemical factors which affect the ability of organisms to survive and reproduce. Ex: temperature range, water availability, level of pullutant |
Spatially Defined Area | Blank |
Acclimation | Adjustments made by a particular individual daily, seasonal: going into hibernation, starting migration, moving from the sun to the shade. (ADJUSTMENTS TO CONDITIONS) Ex: birds migrating south for the winter. |
Adaptation | Genetic changes through natural selection that improve and organisms ability to carry out daily/seasonal life-cycle functions for growth, maintenance and reproduction. Ex: elephants migrating, due to lack of water. |
Liebig's Law of Minimum | The health and well-being of any individual organism is controlled/determined by the availability of the scarcest resource(limiting factor) Ex: Caribou migration |
Ecosystem Services relation to provisioning services | They are ecosystem services that describe the material or energy outputs from ecosystems. Ex: food, water and other resources. |
Ecosystem services relate to regulating services | The services that and ecosystem provides by acting as regulators. Ex: air regulation, water regulation |
The F's of NPP | Food, Fuel, Fibers, Fabrication |
Best waste product? | Oxygen. Plants give it off (waste), yet everyone else absorbs it. |
The limiting factor of global scale NPP? | The carrying capacity of Earth. |
Carrying Capacity | The populating size that an area can support dor the long term. It's possible that an abiotic or biotic threat may coming to decrease the population of the species. |
Habitat | The physical environment in which individuals of a particular species can be found. Ex: Prickly pear cactus in desert areas |
Niche | The role a species plays in its community. Ex: A fungi plants eating the decaying plants/animals on the ground |
Slavery | The loss of one's access to and control over land, labor and food supply |
Commodity | Any good or service ("products" or "activities”) produced by human labor and offered as a product for sale in the market. |
Commodification | The transformation of goods and services, of nature, as well as of ideas, behaviors and other entities |
Dependency Theory | The notion that resources flow from poor and underdeveloped states to wealthy states, enriching the latter at the expense of the former. |
Modernization Theory | A theory used to explain the process of modernization within societies. |
World Systems Analysis | A multidisciplinary, macro-scale approach to world history and social change, emphasizes the world-system (and not nation states) as the primary |
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