Sentence examples for mean primary production from inspiring English sources

Freshwater marshes are among the most productive ecosystems on Earth, with mean primary production rates between 2000 and 2500 g m−2 year in permanent and semipermanent marshes but lower in seasonally flooded marshes.

The slopes of the biomass regressions have been equated to the rate at which the delivery of POC to the sea floor declines, but the height or zero intercept of the regression line is a function of the mean primary production in the photic zone.

In this method, the mean leaf primary production corresponds to the mean number of leaves produced per shoot and per year multiplied by sheath and blade biomass.

Mean daily gross primary production (Pg) was -42.3 mmol CO2 d-1 and ecosystem respiration (Re) was 27.6 mmol CO2 d-1.

Table 4 Mean annual net primary production and its components of mangrove forest (Mg∙ha−1∙yr−1) along the Oligohaline zone of the Sundarbans, Bangladesh Component Leaf Branch Reproductive organ Total Mean AGB increment (∆y) – – – 7.1 Mean litterfall (∆L f) 7.1 1.3 1.7 10.1 AGNPP – – – 17.2 Mean BGB increment – – – 3.8 Net primary production – – – 21.0.

Estimates of 8-day mean daily gross primary production (GPP) at the 1 km spatial resolution are now operationally produced by the MODIS Land Science Team for the global terrestrial surface using a production efficiency approach.

OUT: operational taxonomic unit; PCR: polymerase chain reaction; MSA: multiple sequence alignment; DNA: deoxyribonucleic acid; RNA: ribonucleic acid; UPGMA: Unweighted Pair Group Method with Arithmetic Mean; NPP: net primary production; NE: northeast; CAR: Cariaco Basin; FV: Framvaren Fjord; BLAST: Basic Local Alignment Search Tool SSUU rRNA: small subunit ribosomal RNA.

Syntheses of satellite chlorophyll and field data indicate that climate change and/or climatic oscillations are responsible for changes in mean chlorophyll concentration and primary production over recent decades [16], [18], [20], [21].

Table 3 Annual regional means for the net primary production (NPP*, in 103tonsC/km2per year), and the sum of specific living biomass and dead organic matter – humus ( B * + D *, in 103tonsC/km2): random model.

This means that the efficient scale for primary production is typically smaller compared to that for the subsequent operations.

Values of mean trophic level of the catch (TLc), primary production required to sustain the catch (PPR), primary production (P1) and transfer efficiency (TE) were calculated from 51 ecosystems using mass-balance model results [31].