Monitoring of shallow sea environment by using snapping shrimps

Area of Science:

• Marine Biology
• Environmental Science
• Bioacoustics

Background:

• Snapping shrimp are globally distributed and produce distinct pulse sounds.
• Their sound production offers a potential, non-invasive method for environmental monitoring.
• Existing monitoring methods may require specialized biological knowledge or equipment.

Purpose of the Study:

• To validate the use of snapping shrimp pulse counts for sea environmental monitoring.
• To assess the relationship between shrimp pulse counts and environmental parameters.
• To determine the feasibility of using this method for detecting water pollution impacts.

Main Methods:

• Field surveys and laboratory experiments were conducted.
• Hydrophone recordings captured snapping shrimp sounds over short durations.
• Pulse counts were analyzed in relation to water temperature and oxygen levels.

Main Results:

• Snapping shrimp pulse counts correlate with normal water temperature.
• Pulse counts decrease significantly in the presence of oxygen-deficient water.
• The method demonstrated sensitivity to environmental changes indicative of pollution.

Conclusions:

• Snapping shrimp pulse counts offer a valid and accessible tool for fixed-point sea environmental monitoring.
• This bioacoustic method can serve as an effective index for assessing water pollution impacts on benthic fauna.
• The technique requires minimal specialized biological expertise, enhancing its practical application.