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Geography Papers Essay Examples

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Towards Quantifying Uncertainty in Predictions of Amazon ‘Dieback’

1. Inrtroduction When forced by a ‘business-as-usual’ (IS92a) emissions scenario, a version of the Hadley Centre general circulation model (GCM) (Gordon et al. 2000) extended to model the global carbon cycle (including a dynamic global vegetation model (DGVM)) predicts that climate change could cause a major loss of the Amazon rainforest (Cox et al. 2000)….

APES Flashcard Review for Finals

The locations and types of plate boundaries in the world. There are 15 major tectonic plates, with most having both ocean and continent. At divergent plate boundaries, magma surging up towards the surface pushes two plates apart, creating new crust as it cools and spreads. Ex: Mid-Atlantic Ridge. A transform plate boundary is when two…

APES

environmental science the study of how the natural world works, how our environment affects us, and how we affect our environment sustainability living within the planet’s means Sustainable development using renewable and non renewable resources in a manner that satisfies our current need without compromising future availability tragedy of the commons Garrett Hardin states that…

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Bio 262 ecology weatherbee notes

Life Dinner Theory Levels of selection are different for prey for whom the interaction is life or death and predators for whom the interaction is only a dinner or not. What is predation? Consumption of one organisms or part of the organism while the prey is still alive (thus excludes detritovores). 3 types are carnivory,…

Biogeography 1301

Ecology scientific study of the relationships between organisms and their environment(s) Biogeography scientific study of the relationships between organisms and their environment(s), with an emphasis on changes in space (Spatial Ecology) Physical/chemical influences on organism’s physiology Temperature, Light, Oxygen, Carbon dioxide Ecosystem Biotic and abiotic interactionsStudy: flow of energy through ecosystems Organism interaction Hierachy Individual,…

Biogeography 3

Biomagnification Increasing concentration of organic pollutants and metals upwards along the trophic cascade Columbinan Exchange Trade and interaction between continents when new ideas/products/agriculture/diseases were exchanged Indroduced Species Species living outside its nativerange having been moved to its new location by either deliberate or accidental human activity “Law” of Unintended Consequences Human intervention in complex systems…

Biogeography test 2

Issues with early prairie restoration Lack of understand w/r/t distribution, the role of disturbances like fire, too small populations over too great of separations, inadequate biodiversity ecological community the set of plant and animal species that occupy an area community a group of species that occupy a given area, interacting either directly or indirectly (spatial…

Biogeography

Laurentide Ice Sheet Covered most of North America 20,000 years ago Uniformitarianism Assumption The same natural laws and proceses that operate right now have always operated in the past and apply everywhere Consilience Evidence from independent unrelated sources can converge to provide very strong clues Gross Primary Productivity aAmount of energy stored by plants without…

Biogeography 2

Soil Organic Carbon Carbon part of the soil’s organic matter which also includes Ca, N, and other important elementsSoil’s organic matter provides nutrients, binds particles together, and enhances water retention Residence Time Describes the average time a molecule will spend in a specific reservoir within a biogeochemical cycle Carbon in the atmosphere Carbon dioxide (five…

Biology

ecology scientific study of relationships between organisms and environment environment factors(ecosystem) include biotic and abiotic differences between resources and conditions resources- can be consumed and competed ex. food, water, and mates conditions- cannot be consumed but influence organisms ex.temperature, day length, humidity ecology was coined by Ernst Haeckel in 1866 oikos is household of nature…

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