Buoyancy-lifting-type marine benthos trapping device

Abstract

The invention discloses a floating trapping device for marine benthic organisms. The present invention comprises a float, a buoyant airbag, and a trapping device; the float communicates with the upper part of the buoyant airbag through an inflatable conduit, and the trapping device is arranged below the buoyant airbag; the trapping device includes an anti-escape net circle, a trap, a collection net bag, and a collection bag ; The buoyant airbag is fixedly connected to the upper end of the anti-escape net circle through the pull rope; the anti-escape net circle is cylindrical, with two ends open, and two ends are provided with circles; the trap is arranged in the anti-escape net circle, and traps The outer edge of the lower bottom surface of the device is fixedly connected with the ring at the lower end of the anti-escape net ring; the collection net bag is funnel-shaped, arranged below the trap, and is fixedly connected with the outer edge of the lower bottom surface of the trap; the collection pouch is cylindrical and one end is open , one end is closed, the open end of the collection pouch coincides with the bottom of the collection net bag and is fixedly connected, and the closed end of the collection pouch is provided with a tether. The invention has the characteristics of fixed collection location, diversified collection objects and the like.

Description

technical field [0001] The invention belongs to the technical field of marine biological resources investigation equipment, and relates to a buoyant trapping device for marine benthic organisms, in particular to a buoyant trapping device suitable for investigating marine benthic biological resources. Background technique [0002] The investigation of marine benthic biological resources is an important part of marine ecological research, and biological samples are usually collected by bottom trawling and sediment collection. The traditional method is convenient and quick, but it is often limited by conditions such as the type of seabed substrate and the characteristics of benthic organisms. For example, the bottom trawling method cannot be used in reef areas, and the method of collecting sediment is generally used to collect shellfish samples; moreover, the traditional collection method The sampling location of the plant is easy to change, and it is impossible to strictly col...

AI Technical Summary

Problems solved by technology

The traditional method is convenient and quick, but it is often limited by conditions such as the type of seabed substrate and the characteristics of benthic organisms. For example, the bottom trawling method cannot be used in reef areas, and the method of collecting sediment is generally used to collect shellfish samples; moreover, the traditional collection method The sampling location is easy to change, and it is impossible to collect samples strictly all year round

At present, there are few benthic collection devices that have been developed, and most of them adopt the method of capture, and seldom adopt the method of trapping; the single type of collection device can no longer meet the needs of the investigation and research of benthic resources under the complex sea conditions in the offshore

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