Field quadrat frame capable of being recognized by unmanned aerial vehicle and convenient to arrange

• Main Authors: HE YUBANG, CHEN ZHEN, SUN JIANQING, HOU YUANSHENG, SHI QIANQIAN, DU YANGONG, WEI QICHAO, QI DESHENG, KOU DEHUI, WANG XINYE, CHEN KELONG, GAO XIAOHONG, YANG TAO, ZHANG NI, SONG QI
• Format: Patent
• Language: Chinese; English
• Published: 11.01.2022
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

The field quadrat frame comprises a positioning piece and a quadrat belt, the positioning piece comprises a nail body, an olecranon L-shaped cap is arranged at the upper end of the nail body, a puncture portion is arranged at the lower end of the nail body, a movable lantern ring and a locking piece are arranged outside the nail body in a sleeving mode, and the inner wall of the movable lantern ring is movably matched with the nail body. The outer wall of the movable lantern ring is sleeved with a fixing block, a cross-shaped support is arranged on the side, away from the movable lantern ring, of the fixing block, and a locking piece is arranged at the lower end of the movable lantern ring, matched with the nail body and used for fixing the position of the movable lantern ring. According to the quadrat frame, the height of the quadrat zone can be adjusted according to the height of sample plot vegetation, the quadrat zone cannot be shielded by grass, additional tools are not needed during assembly and disasse