Discover a detailed study of the native Hawaiian stream snail Neritina granosa and what it reveals about habitat, movement, and life history.
This accessible report examines how hihiwai lives in Waikolu Stream on Moloka'i, highlighting how water flow, habitat quality, and seasonal changes shape its distribution, reproduction, and growth. It combines population surveys with tagging studies to provide baseline data useful for monitoring stream health and evaluating management actions.
What you’ll experience
- How habitat features and water diversions influence snail densities and movement
- Patterns of reproduction, recruitment, and growth over two-year monitoring periods
- Results from tagging studies showing how and where snails move after being released
- Practical methods for population surveys and the use of indicator species in stream evaluation
Ideal for readers of ecological field studies, Hawaiian ecology, and conservation affecting tropical island streams.