USGS Multimedia Gallery
samplingFish
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Awaiting High Tide to Set Block Nets
Sampling fish within the intertidal zone of a mangrove forest requires setting a block net at the interface between forest and river at high tide, then retrieving the net at low tide. Here researchers await high tide to set the nets seen in the boat. ...
Closing Seine Around Pivot Pole
Seining for fish in open water necessitates closing the seine quickly to avoid fish escape. Closing the seine around a pole offshore accomplishes this objective in sampling....
Deploying Lift Net, Everglades National Park
Lift nets buried in the forest floor and deployed at high tide permit the estimation of fish density within flooded forests....
Closing Seine Around Pivot Pole, Everglades National Park
Seining for fish in open water necessitates closing the seine quickly to avoid fish escape. Closing the seine around a pole offshore accomplishes this objective in sampling....
Seining Blocked-off Mosquito Ditch
Scientists pull a seine net through a blocked-off section of a man-made ditch to estimate fish abundance....
Seining Blocked-off Mosquito Ditch
Scientists pull a seine net through a blocked-off section of a man-made ditch to estimate fish abundance.... |