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Coral reef belt transect investigation method

A coral reef and coral technology, applied in the field of coral reef transect survey method, can solve the problems of long working hours, high survey cost and high technical requirements of Harrier monitoring method, and achieve wide source of instruments and equipment, reduce labor intensity and low technical requirements Effect

Inactive Publication Date: 2012-07-25
GUANGXI MANGROVE RES CENT
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  • Abstract
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Problems solved by technology

[0005] However, the Harrier monitoring method and the section line monitoring method have the disadvantages of long working hours, high intensity, high survey costs, high technical requirements, complicated operations, and require operators to have considerable professional knowledge

Method used

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  • Coral reef belt transect investigation method
  • Coral reef belt transect investigation method
  • Coral reef belt transect investigation method

Examples

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Embodiment Construction

[0010] Investigation and Research on Coral Reefs in a Sea Area of ​​Beibu Gulf, Guangxi

[0011] Coral Reef Transect Survey Method Equipment and Staffing

[0012] Underwater camera - used for cross-section underwater video;

[0013] Underwater camera - used for underwater photography of underwater coral reefs, substrates, algae, etc.;

[0014] 100m measuring tape - the minimum scale is 1cm, with scales on the front and back sides, used for the layout of underwater sections;

[0015] 2 floating balls - used to mark the positions at both ends of the section line;

[0016] Ordinary computer - used for video and photo interpretation and data processing;

[0017] 2 divers - videographer and photographer;

[0018] 2 sets of diving equipment - for divers diving operations.

[0019] Implementation of Coral Reef Transect Survey Method

[0020] After arriving at the survey area, a diver goes into the water and uses a tape measure to lay out a 100m long section from east to west al...

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Abstract

The invention discloses a coral reef belt transect investigation method. 100m long section is distributed under water, floating balls are fixed at two ends of the section, undersea camera shooting and photographing are carried out continuously and slowly at constant speed along the section at a constant height distant from a seabed by 20cm, and living coral reef coverage, dead coral reef coverage, gorgonian coverage, large-sized benthic diatom coverage, coral reef specific composition, substrate types and coverage, living coral dominant species and living coral population diversity are calculated according to the proportions of living coral, dead coral, gorgonian, substrate and large-sized benthic diatoms to the length of 100m according to shot videotapes and cameras. The coral reef belt transect investigation method is simple in operation, low in technical requirements and wide in sources of instruments and equipment, underwater operators do not need to have professional knowledge, common divers can complete the operation, undersea operation time is saved, labor intensity is reduced, investigation data are accurate, and the method provides a reliable guarantee for protecting coral reef resources.

Description

technical field [0001] The invention relates to the field of marine environment investigation and detection, in particular to a coral reef transect investigation method. Background technique [0002] "The Marine Industry Standard of the People's Republic of China-Technical Regulations for Coral Reef Ecological Monitoring" HY / T082-2005 stipulates that the coral reef underwater biological monitoring methods include the Harrier monitoring method and the section line monitoring method. [0003] The Harrier monitoring method requires on-hook boats, hand-held high-frequency waterproof walkie-talkies, Harrier skateboards, underwater recording tables and other instruments and equipment. When carrying out monitoring, the towing speed of the on-board boat is generally 3-5km / h, which is adjusted accordingly with factors such as currents and sea conditions. The ray monitoring takes 2 minutes as a unit. After 2 minutes of continuous towing observation, the towing boat stops, and the obs...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N33/00
CPCY02A10/26
Inventor 王欣黎广钊梁文
Owner GUANGXI MANGROVE RES CENT
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