An exceptionally clear recollection of an important event is a (an)
engram
arousal theory
flashbulb memory
equipotentiality hypothesis

flashbulb memory

Explanation:

flashbulb memory: A flashbulb memory is a finely detailed, unusually captivating  overview  of the point of time and scenario in which a part of unusual and significant news has been heard. The word ' flashbulb memory ' indicates a indiscriminate illumination, information, and simplicity ; however, flashbulb memories are just a little indiscriminate and is far from complete.

the most likely outcome of fewer loon territories is that hawks would increase in proportion because the benefit of victory would be greater. hawks and loons are natural rivals of resources and victories in the game, since the lakes drying up affected the loons, the hawks would be benefited from the drought.