Portable quadrat frame for ecological monitoring

The utility model discloses a portable quadrat frame for ecological monitoring, which comprises a first frame, a connecting mechanism and a manual fastening screw rod, one end of the first frame is movably connected with a second frame, the other end of the second frame is connected with a third frame, the other end of the third frame is connected with a fourth frame, and the fourth frame is movably connected with the connecting mechanism. The other end of the fourth frame is connected with a fifth frame, and the other end of the fifth frame is connected with a sixth frame. The portable quadrat frame for ecological monitoring disclosed by the utility model can be rotationally folded through the connecting mechanism, and the manual fastening screw rod can be quickly detached for linear continuous folding by rotating a knob on the manual fastening screw rod, so that the ecological detection square frame is convenient to fold and carry; and each frame is made of light pipes, the structure is fixed, deformation a