Table 3. Description of sampling gear and methods. 



Device 



Description 



Use 



Small corer 



5. 1-cra-diameter tube 

 with handles 



Quantitative infauna sampling; 

 also sediment sampling 



Medium corer 



10.2-cm-diameter tube 

 with handles 



Quantitative infauna sampling 



Large corer 



15.2-cm-diameter tube 

 with handles 



Quantitative infauna sampling 



Small enclosure 



27-cm-diaraeter by 30-cm-high 

 plastic cyliner 



Quantitative sampling of in- 

 vertebrates of strand line 



Large enclosure 



l-ra-diameter by 1-m-high 

 canvas cylinder with lead- 

 line and floats 



Quantitative sampling of in- 

 vertebrates in submerged level 

 marsh 



Aquatic sweep net 



O.S-mm-mesh nitex 



Quantitative (with large 

 enclosure) and nonquantitative 

 sampling of submerged in- 

 vertebrates 



Terrestrial sweep net 



Fine mesh muslin 



Semiquantitative sampling of 

 invertebrates on exposed 

 vegetation 



Small drift net 



0.5-mm-mesh nitex net on 

 12. 5-cm-diameter frame 



Nonquantitative sampling of 

 drift organisms in small tidal 

 creeks 



Large drift net 



0.5-mm-mesh nitex net on 

 25- by 50-cm frame 



Nonquantitative sampling of 

 drift organisms in large tidal 

 creeks 



Clip quadrat 



25- by 25-cm wooden frame 

 within which plant material 

 was clipped loose from the 

 soil 



Quantitative sampling of in- 

 vertebrates on exposed level 

 marsh 



3-ra seine 



Common-sense seine with 

 0.6- cm mesh 



Fish collection in small tidal 

 creeks and pans 



15-111 seine 



1.3-cm-mesh body and 

 0.6-cm-raesh bag 



Fish collection in large tidal 

 creeks and over low (level) 

 marshes 



52-m seine 



2.5-cm-mesh body and 

 1.3- cm- mesh bag 



Fish collection over low 

 marshes and adjacent tidal 

 flats and sloughs 



Otter trawl 



5-m trawl with 3.2-cm- 

 mesh body and 0.6-cra-mesh 

 cod end 



Fish collection in bay 

 channels and mudflats 



18 



