Biological Oceanography

features, as well as pelagic primary production, have been discussed in earlier chapters and nee ...

that the predominant meals were Oithona similis, a ∼1 mm copepod found in 37% of worms (14 to 73% in seven ...

Since 1980, there have been perhaps 30 significant studies of chaetognath gut contents along ...

fish. Hardy’s (1924) herring study was based on gut-content analysis. Tuna are a convenient s ...

Gut contents (and other data) show that tuna may frequent areas where specific prey are aggregating ...

animals from all ocean areas and depths – checking gut contents is an almost reflexive observation for biolog ...

carbon and nitrogen stable isotopes (^) Measurements of (^15) N/ (^14) N in tissue are made by drying and gri ...

for ^13 C, nitrogen-isotope ratios are favored for trophic-level estimation. A well- worked example h ...

Olson et al. (2010) also compared δ^15 N and gut-content TLYFT results to those from a more recent δ^15 N ...

(^) The difference divided by 7‰ gives the number of trophic steps to reach tuna, and 1 is added for the ...

We have found no satisfactory field-based studies of stable-isotope amplification in the marine pelagic microbial ...

generalist feeders can vary wildly (they eat everything of suitable size that they can overtake), very ...

(Ailing et al. 2008). They consider a topic that we leave readers to pursue if they are interested. Lowe ...

from separate, unamended dilutions, and the data-set included 392 such pairs of m and μ that are plot ...

two-thirds. That may imply a greater role for mesozooplankton grazing in estuaries, where a greater fraction o ...

Induced Trophic Cascades (^) Meta-analysis of dilution experiments implies intense interactions among oc ...

(^) Since the dominant primary producers of vast oligotrophic ocean regions, and during long sea ...

revealed and can be at any stage when the experiments are performed. The labor involved ...

Landry and colleagues extended the calculation, approximating the additional grazing likely from meso ...

increase in phytoplankton growth after protist grazing is only about 30%, which must go to mesozooplankton ...