Food-Web Models Predict Species Abundances in Response to Habitat Change
2006
Predicting Species Abundance in the Face of Habitat Loss
Sample size: 50
publication
Evidence: moderate
Author Information
Author(s): Nicholas Gotelli, Aaron Ellison
Hypothesis
Is population change driven directly by changes in habitat volume, or indirectly through responses to other species?
Conclusion
Food-web models provide more accurate predictions of species abundance than single-factor models.
Supporting Evidence
- Food-web models were shown to be better predictors of species abundance than single-factor models.
- The study used the carnivorous pitcher plant and its food web to test ecological models.
- Manipulating habitat size and trophic structure provided insights into species interactions.
Takeaway
This study shows that when animals lose their homes, it's not just about how much space they have, but also about how they interact with other animals.
Methodology
The researchers manipulated habitat size and trophic structure in pitcher plants to study species abundance.
Limitations
The study was limited to a specific model system and may not generalize to all ecosystems.
Digital Object Identifier (DOI)
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