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Question
Biology
Posted 8 months ago
Describe source-sink metapopulations.
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Answer from Sia
Posted 8 months ago
Answer
Source-sink metapopulations are a type of metapopulation structure where some habitats are net producers of individuals (sources) and others are net consumers (sinks).
Solution
a
Source habitats: These are high-quality habitats that have a reproductive surplus; they produce more individuals than the local environment can support
b
Sink habitats: These are lower-quality habitats where local reproduction is insufficient to maintain the population, and they rely on immigrants from source populations to persist
Key Concept
Source-sink dynamics in metapopulations
Explanation
In source-sink metapopulations, some populations (sources) are self-sustaining and produce excess individuals that disperse to other habitats (sinks), which cannot sustain themselves without this influx.
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