plankton net उदाहरण वाक्य
उदाहरण वाक्य
- The holotype is a juvenile specimen of 51 mm mantle length ( ML ), taken off the Californian coast at a depth of 0-200 m in a Bongo plankton net.
- Smith, P ., Counts, R ., Clutter, R . : Changes in the filtering efficiency of plankton nets due to clogging under tow . J . Cons.
- :: : Another issue : apparently picoplankton and nanoplankton pass right through plankton nets, and only microplankton are usually caught; but it is the former two that make up most of the biomass.
- Leptocephali are poorly understood, partly because they are very fragile and eat particulate material instead of zooplankton, and their good swimming ability lets them avoid most standard-sized plankton nets used by marine biologists.
- Freshwater micromollusks which live on aquatic plants are often collected by passing a plankton net vigorously through and around water weeds so that minute mollusks end up falling into the glass tube at the end of the net.
- HOT relies on the University-National Oceanographic Laboratory System research vessel CTD ) profiles, biogeochemical analyses of discrete water samples, " in situ " vertically profiling bio-optical instrumentation, free-drifting arrays for determinations of primary production and particle fluxes, deep ocean sediment traps, and oblique plankton net tows.