NRES 348 Exam Questions And Answers
|Latest 2025 | Guaranteed Pass.
Wildlife - Answer✔all free living animals
fisheries - Answer✔system that includes the fish, habitat, and human users
Management - Answer✔the manipulation of a population or habitat to achieve a specific goal
including:
making a pop size greater/smaller
harvest population for continuing yield
leave it alone, protect, monitor
2 types of wildlife management - Answer✔manipulative and custodial
manipulative management - Answer✔active managers - acts on population by directly
influencing
custodial management - Answer✔passive (preventative/protective)
what issue underlies just about all environmental problems? - Answer✔population
ecosystem management - Answer✔a relatively new and hopefully more comprehensive/holistic
approach to conservation of biodiversity - a development that has put government agencies
(local and federal) and non governmental agencies (The Nature Conservancy) on the same page
adaptive resource management - Answer✔approach is more flexible to unanticipated and
complex outcomes - an approach of continual reassessment and innovation
origins of community ecology - Answer✔stephen forbes - first chief of the illinois natural history
survey - concerned with relationship between organisms and environment
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niche - Answer✔species can coexist because they use different aspects of same resource
predation - Answer✔individuals of one species kill another
parasitism - Answer✔not same as predation - doesn't necessarily kill you
conservation - Answer✔The sustainable management of a natural resource
preservation - Answer✔leaving natural systems as they are
population - Answer✔A group of individuals that belong to the same species and live in the
same area
population ecologists study - Answer✔rate and form populations grow/decline, variation in
abundance over time and space, sources of variation growth
photic zone - Answer✔Portion of the marine biome that is shallow enough for sunlight to
penetrate. photosynthesis is greater than respiration
Epilimnion - Answer✔An upper layer of warm water with high levels of dissolved oxygen
Hypolimnion Layer - Answer✔Bottom zone of most cold and dense water
oligotrophic lake - Answer✔A nutrient-poor, clear, deep lake with minimum phytoplankton.
Oxygen rich and low surface to volume ratio
euthrophic lakes - Answer✔nutrient-rich, colored, shallow lake with high productivity
head water - Answer✔steep slope, high velocity, coarse substrate, dense canopy
middle reaches - Answer✔gradual slope, lower velocity, mixed substrate, no canopy, vegetated
banks
lower reaches - Answer✔low gradient, gradual slope, substrate fine, no canopy, vegetated
banks
Estuary - Answer✔an ecosystem where terrestrial runoff enters into a semi closed arm of the
ocean and measurably dilutes seawater. High energy.
Era of Abundance (1600-1849) - Answer✔Most wildlife very abundant, thought inexhaustible
Operating under the Myth of Superabundance
People starting to have negative affects
Predators and harmful wildlife persecuted
Some local efforts to boost populations
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