Term
| Threatened vs. Endangered Species |
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Definition
| likely to become endangered in the foreseeable future vs. in imminent danger of going extinct |
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Term
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Definition
| once was the most abundant bird on Earth; losses due to forest clearing, disease, severe weather during migration, low reproductive output, fragmentation, and market output |
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Term
| Recent Extinctions 21st century |
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Definition
| spix's macaw, golden toad, po'o-uli, baiji dolphin, hawaiian crow, pyrenean ibex, western black rhinoceros |
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Term
| Kemp's Ridley Sea Turtle (Lepidochelys kempii) |
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Definition
| 150 million years, most endangered sea turtle species worldwide |
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Term
| Causes of endangerment for vertebrates, invertebrates, and plants |
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Definition
| habitat degradation, alien species, pollution, overexploitation, disease |
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Term
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Definition
| species introduction 39%, habitat destruction 36%, hunting 23%, other 2% |
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Term
| Introduction of exotic species |
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Definition
| water hyacinth SA, Zebra mussel Russ, rats and mice, brown tree snake Austr in Gaum, wooly adelgid E Asia bug, Disease - chestnut blight (fungus), Dutch elm (fungus) |
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Term
| species approach vs. ecosystem approach |
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Definition
| intensive study of one species in the wild with habitat management and restoration from wild populations in mind vs. preserving large tracts of land, parks, forests, wilderness areas, and allowing natural ecological process to function - better |
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Term
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Definition
| ordovician extinction, devonian extinction, permo-triassic extinction, end-triassic extinction, cretaceous-tertiary extinction. Halocene extinction (today) |
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Term
| avian vacuolar myelinopathy |
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Definition
| the most significant unknown cause of eagle mortality in the history of the United States. Clinical signs: waterfowl difficulty walking, swimming, or flying, overshoot perches or fly into objects |
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Term
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Definition
habitat-wildlife-people, must have all three, to achieve human goals: Consumptive-hunting, trapping, control
Non-consumptive- viewing, photo, feeding, preserving, restoration |
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Term
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Definition
| food, cover, space, and water to lead to reproduction |
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Term
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Definition
| Area over which an animal regularly travels to meet its needs. Determined by body size and trophic level, population density, habitat quality. All daily and seasonal requirements must be within home range |
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Term
| Density Independent vs. Density Dependent |
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Definition
| Without regard to population size and abiotic (hurricane, flood, fire, avalanche) vs. acts in relation to population size and biotic (disease, parasites, predation, starvation) |
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Term
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Definition
| Book: planned use, protection and control of wildlife by the application of ecological principles (too simple). Art and science of making decisions and taking actions to manipulate habitat, wildlife, and people to achieve human goals |
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Term
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Definition
| particularly destructive because the overlying soil and rock, called overburden, must first be removed and placed elsewhere. Quickly transforms a scenic area into an ugly landscape |
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Term
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Definition
| underground mines. consequences are same as surface mines because of surface runoff |
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Term
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Definition
| GA produces 90% for the US |
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Term
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Definition
| declare belief: land contains minerals, file claim at land office, pay federal government per acre |
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Term
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Definition
| the alleged trend that children are spending less time outdoors, resulting in a wide range of behavioral problems |
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Term
| problems with nuclear power |
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Definition
| scares people because of radiation release/accidents/safety. storing radioactive waste |
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Term
| waste management suggestions |
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Definition
| shoot into space, store in Antarctica, dump in subduction zones in ocean, reprocess |
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Term
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Definition
| pros- most abundant fossil fuel in world, US reserves could last 200 years, high net energy value cons- dirty (air pollution), mining is hazardous, mining is devastating to land, pollution (surface and sub-surface water). 4 main pollutants: CO2, SO2, NO2, and Mercury. |
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Term
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Definition
| reserves of natural gas will only last until 2067 at the current rates of consumption and assuming no new discoveries are made. US could last 65-80 years. World could last 125 years. |
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Term
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Definition
| animals that consume a great variety of foods |
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Term
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Definition
| animals that maintain a specialized or limited diet |
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Term
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Definition
| establishes baseline population levels that landowner must maintain |
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Term
| Habitat Conservation Plans (HCP) |
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Definition
| document outlining the measures to be taken to ensure that otherwise legal activities do not affect the survival or recovery of T & E species |
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