STUVIA 2024/2025
GEOG 350 Midterm 2
-Grasslands with sparse tree cover are called savannas.
-Rainfall amounts do not support forests
-Dry season prone to fire, mostly dry year round
-Many migratory grazers such as antelope, wildebeest, or bison thrive on new growth after fires -
✔✔Tropical Savannas and Grasslands
-primary: physically separate solids
-secondary: use aerobic bacteria to break down dissolved organic compounds
-tertiary: removes dissolved metals and nutrients especially nitrates and phosphates. - ✔✔municipal
treatment
-provides food and medicine
-can aid ecosystem stability
-aesthetic and existence value - ✔✔why biodiversity is good
(of plants and shrubs) shedding foliage at the end of the growing season
-big colors on e coast
-plentiful rainfall - ✔✔deciduous
%
0.001% of h20
small compartment
10 day cycle - ✔✔water in the atmosphere
0.02%
-mostly ground water in the form of a stream/lake - ✔✔How much water is in a form accessible to us
as fresh water?
1. endangered species: those considered in imminent danger of extinction.
2. threatened species: likely to become endangered within the foreseeable future.
3. vulnerable species: naturally rare/have been locally depleted by human activities to a level that
puts them at risk. - ✔✔3 levels of species risk (ESA)
1. improper disposal of industrial and household wastes.
2. pesticide runoff from farm fields, forests, golf courses, etc. - ✔✔2 principle sources of toxic organic
chemicals in water
54% of municipal waste does to landfills
Refuse is compacted and covered daily with layer of dirt.
impermiable lining to reduce leaks.
generates methane (bc covered): landfills manage/burn it. - ✔✔landfills
60% - ✔✔What percentage of human body is water?
90% of the world's fresh water - ✔✔glaciers, ice caps, and perennial snow fields
a coastal biome typified by moderate temperatures and high precipitation (pacific north west)
-coniferous forests
-extremely wet conditions
-often foggy - ✔✔temperate rainforests
a complex of artificial marshes designed to filter and decompose waste
-cheaper and environmentally concious - ✔✔constructed wetlands
%
A fund created by Congress in 1980 to clean up hazardous waste sites. Money for the fund comes
from taxing chemical products.
-designed to deal with the worst/most hazardous areas of toxic waste
-created because of Love Canal in the 70s - ✔✔the superfund
a measure of all organic matter in water - ✔✔Chemical Oxygen Demand (COD)
A measure of burden of disease, one DALY equals one year of healthy life lost due to premature
death and time lived with illness, disease or injury. - ✔✔Disability Adjusted Life Year (DALY)
a measure of the variety of versions of the same genes within individual species - ✔✔genetic
diversity
A neighborhood in Niagara Falls, New York, which became the subject of national and international
attention, controversy, and eventual environmental notoriety following the discovery of 21,000 tons of
toxic waste buried beneath the neighborhood. - ✔✔Love Canal
a new disease or one that has been absent for at least 20 years - ✔✔emergent disease
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