FIELD: measurement technology.
SUBSTANCE: method is characterized by the fact that on control sections of the analyzed water object using an underwater video camera visually count the number of once marked fish. Expert estimation of fish abundance in the analyzed water body is determined based on a certain mathematical relationship, taking into account the number of once marked fish, water transparency, viewing angle of the camera and area of the analyzed water object.
EFFECT: method makes it possible to estimate number of fish of all ages and species in any water reservoirs and streams, without application of catching tools.
1 cl, 1 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD OF PERFORMING CHECK CATCHING OF YOUNG DEEP-SEA FISH, SALMON FISH IN PARTICULAR AND LINE FOR REALIZATION OF THIS METHOD | 2002 |
|
RU2217912C1 |
| METHOD OF DETERMINING TOTAL ALLOWABLE HARVESTING OF FISH | 2012 |
|
RU2525723C2 |
| METHOD TO PREVENT WATER "BLOOMING" WITH THE HELP OF REPRESENTATIVE OF ABORIGINAL FISH FAUNA-YOUNG ROACH-USING ARTIFICIAL FLOATING SPAWNING GROUNDS-ISLANDS IN CENTRAL RUSSIA | 2022 |
|
RU2817333C1 |
| METHOD FOR MONITORING OF COMMERCIAL FISHERY WATER SPACE | 2004 |
|
RU2303871C2 |
| METHOD FOR REPRODUCTION AND GROWING OF CARP IN KILLING LAKES | 2006 |
|
RU2316956C2 |
| METHOD OF VIGOROUS FISH SEEDING PRODUCTION | 2007 |
|
RU2357413C1 |
| METHOD FOR RAISING WHITEFISH IN FINISHING PONDS | 2003 |
|
RU2268588C2 |
| MINNOW BENTHAL SEINE OF DRAGANOV-MARTYNOV | 2009 |
|
RU2402903C1 |
| FOOD-FISH WATER AREA MONITORING METHOD | 2001 |
|
RU2185727C1 |
| STATIONARY FISH TRAP FOR RECREATIONAL AQUACULTURE | 2017 |
|
RU2707909C2 |
