Underwater Collection

Underwater collection is the systematic sampling of organisms, biological materials, or environmental specimens from submerged habitats for scientific study. Researchers use methods such as SCUBA-assisted sampling, nets, quadrats, traps, or dredges, selecting tools and procedures according to depth, habitat, target species, and the need to preserve samples for laboratory analysis. In biology, these collections support biodiversity surveys, ecological monitoring, behavioral studies, taxonomy, and assessments of environmental change. Careful documentation of location, depth, conditions, and collection methods improves data quality while minimizing disturbance to aquatic communities.

Underwater Collection - Related Videos

Research

JoVE Journal - Environment
Free Sample

Reefshape: A System for the Efficient Collection and Automated Processing of Time-Series Underwater Photogrammetry Data for Benthic Habitat Monitoring

0 Views •

Cited by 2 •

2025

Presented here is a protocol for collecting and processing underwater photogrammetry data, including a significantly simplified and fully automated image processing pipeline resulting in georeferenced and time-series aligned outputs ready for ecological data extraction, analysis, and application.

Research

JoVE Journal - Medicine

Underwater Endoscopic Injection Sclerotherapy for Gastroesophageal Varices

0 Views •

2025

Underwater endoscopic injection sclerotherapy might be a choice for patients with gastroesophageal varices (GEVs). The decreased peristalsis of the esophagus underwater can increase the success rate of intravascular injection and stabilize the vision.

Research

JoVE Journal - Environment
Free Sample

Measuring the Structure, Composition, and Change of Underwater Environments with Large-area Imaging

0 Views •

Cited by 2 •

2025

This protocol covers a four-step large-area imaging survey methodology used to extract metrics of structural complexity, community composition, and population demographics for coral reef communities. The quality of imagery collected and integrated access to the source imagery are prioritized within each step of the protocol.

Quantitatively Measuring In situ Flows using a Self-Contained Underwater Velocimetry Apparatus (SCUVA)

0 Views •

Cited by 5 •

2011

This protocol provides instructions on how to use a self-contained underwater velocimetry apparatus (SCUVA), which is designed for quantification of in situ animal-generated flows. In addition, this protocol addresses challenges posed by field conditions, and includes operator motion, predicting position of animals, and orientation of SCUVA.

Development of New Methods for Quantifying Fish Density Using Underwater Stereo-video Tools

0 Views •

Cited by 9 •

2017

We describe a new method for counting fishes, and estimating relative abundance (MaxN) and fish density using rotating stereo-video camera systems. We also demonstrate how to use distance from camera (Z distance) to estimate species-specific detectability.

View All Results

FAQs

Related Topics