Consumption of drift kelp by intertidal populations of the sea urchin Tetrapygus niger on the central Chilean coast: possible consequences at different ecological levels

@inproceedings{Rodriguez2003ConsumptionOD,
  title={Consumption of drift kelp by intertidal populations of the sea urchin Tetrapygus niger on the central Chilean coast: possible consequences at different ecological levels},
  author={Sebastian Rodriguez},
  year={2003}
}
Drift algae are an important food resource for many intertidal marine invertebrates. This study quantifies the arrival rate of drift kelp on the intertidal zone of central Chile and analyses its nutritional role in maintaining populations of the sea urchin Tetrapygus niger. The analysis was based on stomach contents and on stable isotope ratios of the food and the sea urchin. Gonad development was also evaluated. Lessonia nigrescens was the kelp most commonly observed, and its arrival pattern… CONTINUE READING

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