Ecosystem Restoration Flashcards
7 cards from real CFP practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Ecosystem Restoration flashcards as text
Adaptive management in ecosystem restoration requires which of the following elements?
Answer: Predefined success criteria, monitoring protocols, and decision triggers for management adjustments
Adaptive management requires clear objectives, systematic monitoring, and decision rules that allow evidence-based modifications to the restoration approach.
Which land use change in a watershed most consistently degrades downstream fish habitat through hydrological alteration?
Answer: Urbanization increasing impervious surface cover
Urbanization increases impervious surfaces, amplifying flood peaks, reducing baseflow, and delivering pollutants harmful to fish communities.
The '10:1 rule' sometimes referenced in stream restoration refers to:
Answer: A guideline that restored sinuosity should increase channel length by roughly 10% per unit of valley gradient reduction
Restoring meandering planform increases channel length relative to valley length, reducing gradient and flow energy to stable, reference-like conditions.
Which technique is used to rapidly establish submerged aquatic vegetation (SAV) beds in a restored shallow lake habitat?
Answer: Broadcast seeding on dry exposed substrate followed by reflooding
Broadcasting SAV seeds on exposed sediment during drawdown, then reflooding, allows seed germination and establishment before turbulence can displace plants.
Genetic considerations in fish reintroduction programs for restoration require managers to:
Answer: Select donor populations with demonstrated local adaptation or genetic compatibility to the restoration site
Local adaptation ensures reintroduced fish can survive environmental conditions at the site; mixing incompatible populations risks outbreeding depression.
A fisheries manager assessing ecosystem restoration success should use which combination of indicators?
Answer: Fish assemblage metrics, habitat quality scores, and water quality parameters together
Integrated monitoring using biological, physical, and chemical indicators provides the most complete picture of restoration trajectory and success.
Which scenario best illustrates the ecological concept of 'field of dreams' fallacy in stream restoration?
Answer: Restoring physical habitat when source fish populations are absent or blocked by downstream barriers
The 'field of dreams' fallacy occurs when habitat is restored but fish cannot recolonize due to barriers or regional population collapse, highlighting the need for watershed-scale thinking.