Empirical Relationships between Bacterial Abundance and Chlorophyll Concentration in Fresh and Marine Waters

Bird, David F.; Kalff, Jacob

doi:10.1139/f84-118

Cited by 369 publications

(289 citation statements)

References 48 publications

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“…Both statistical and experimental studies indicate that P plays an important role in regulating bacterioplankton growth. These results, along with statistical evidence (Bird and Kalff 1984;Shortreed and Stockner 1986;Currie 1990), P cell content data (Vadstein et al 1988;Jiirgens and Glide 1990), and experimental evidence from other sources (e.g. Jones 1977;Toolan et al 199 l), suggest that P may be important in regulating bacterioplankton biomass or activity in a variety of aquatic systems.…”

Section: Resultsmentioning

confidence: 79%

“…In addition, statistical evidence suggests that P may play an important role in determining differences in standing stocks of bacterioplankton across a wide variety of lakes (Bird and Kalff 1984;Shortreed and Stockner 1986;Currie 1990). However, because primary production is often stimulated by P (Schindler 1978), P may influence bacterioplankton indirectly by stimulating the rate at which C substrate is produced.…”

Section: Acknowledgmentsmentioning

confidence: 99%

“…In addition, several workers have demonstrated a relationship between bacterioplankton abundance or production and phytoplankton production or biomass (e.g. Riemann and Sondergaard 1984;Bird and Kalff 1984;Cole et al 1988). Although these observations suggest strong regulation of bacterioplankton by organic C, there is little experimental evidence to demonstrate that the flux of algal C directly constrains bacterioplankton production.…”

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confidence: 99%

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Nutrient limitation of bacterioplankton growth in Lake Dillon, Colorado

1992

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Bacterioplankton biomass, production, and growth rate were measured over a 2-yr period in Lake Dillon, a mesotrophic Colorado reservoir. In addition, a multivariate statistical analysis and nutrient addition experiments were used to analyze the regulation of bacterioplankton growth in situ. Biomass ranged between 170 (winter) and 2,200 mg C m-* (summer); production ranged from 10 (winter) to 625 mg C m-* d-* (summer); annual bacterioplankton production was 47 g C m-2 yr-l in 1987 and 67 in 1988. Population growth rates ranged between 0.001 and 0.08 1 h I. Growth rates in the epilimnion were substantially below estimated potential rates, suggesting severe nutrient limitation during the period of stratification. Population growth rates were highly correlated with P concentrations but not with dissolved organic C concentrations. Bacterioplankton growth in the summer epilimnion responded strongly to the addition of P alone or in combination with N or labile organic C. The field data show that bacterioplankton arc frequently without suflicient nutrients to sustain maximum growth; the experimental and statistical analysts indicate that P, rather than organic C, is the critical nutrient for bacterioplankton growth in this lake.

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Section: Resultsmentioning

confidence: 79%

Section: Acknowledgmentsmentioning

confidence: 99%

mentioning

confidence: 99%

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Nutrient limitation of bacterioplankton growth in Lake Dillon, Colorado

1992

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“…Many authors have shown that bacterial abundance changes with the trophic state in freshwater and marine systems (Azam et al, 1983;Fuhrman et al, 1980;Bird & Kalft, 1984;Cho & Azam, 1990;Gasol & Vaque, 1993;Pace & Cole, 1994). Within these systems, the trophic relationships are undoubtedly very.…”

Section: Introductionmentioning

confidence: 99%

Relationship between bacteria, phytoplankton and heterotrophic nanoflagellates along the trophic gradient

Krstulović

Šolić

Marasović

1998

Helgoländer Meeresunters.

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Bacterial and heterotrophic ndnoflagellates (HNF) abundance, as well as bacterial production and chlorophyll a levels, were measured at live sites extending from the coastal zone toward the open Adriatic in the period from March to October "i995. The investigated areas were grouped into trophic categories according to concentrations of chlorophyll u. All the biotic-parrsmeters increased along the trophic gradient, ledding to eutrophy, but they did not increase at the same rate. The bacterial biomass : phytoplankton biomass {BB : chl u) ratio decreased from about 10 in the very oligntrophic area to 0.8 at the eutrophw site. In contrast, the bacterial abundance : HNF abundance ratio iB : HNF) increased from 1000 bacteria per 1 tlagellate in the oligotrophlc system to .1700 bacteria flagellate' in the eutrophic area. Decreasing BB : chl a and :ncreasing B : HNF ratios along the trophic gradient might rellect the dflterent structures of the microbial food web. Relationships between bacterial abur~danc:e and production, and chl a and t-{NF showed that bacterial abundance along the trophic grddient was regulated by the interplay between nutrient supply and grazing pressure. But in the oligotrophic system, bacterial abundance was more closely related to bacteriaL production and chl u than m the eutrophic system, suggesting stronger control of bacteridl abundance by substrate supply C)n the other hand, the coupling between bacteria and HNF, and uncoupling between bacterial dbundance and production in the eutrophic system, showed that the importance ot bactenovorv increased in richer systems.

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“…This role may be even more important in oligotrophic systems where the biomass of the microheterotrophs often equals or exceeds that of autotrophs (Bird and Kalff 1984;Cole et al 1988;Fuhrman et al 1989;Cho and Azam 1990;Simon et al 1992;Gasol et al 1997). As a result, the dynamics of the community of microplankton is imprinted in the optical properties of seawater (Spinrad et al 1989;Stramski et al 1992).…”

Section: Wv (Nm)mentioning

confidence: 99%

Partitioning particulate light absorption: A budget for a Mediterranean bay

Duarte

Agustı́

Satta

et al. 1998

Limnology & Oceanography

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The contribution of different components of the plankton (autotrophs and heterotrophic bacteria, heterotrophic flagellates, and mixo-and heterotrophic ciliates) and suspended inorganic particles to light absorbed by particles in a Mediterranean bay was examined based on a 2-year time series of particulate light absorption (400-700, 400, and 675 nm), the biomass of planktonic microorganisms, and the mass of suspended inorganic particles. The average (+SE) particulate light absorption coefficient for the photosynthetically active radiation (PAR) range (0.035 + 0.002 m-l) was characteristic of relatively clear coastal waters but showed great variability on occasions. A substantial fraction (53-73%, depending on the wavelength examined) of this variability could be accounted for by changes in the abundance of inorganic suspended matter, as well as planktonic organisms. The specific light absorption by autotrophs was less variable over the three spectral bands considered than those of microheterotrophs and inorganic particles, which dropped sharply with increasing wavelength. Inorganic particles contributed, on the average, 48 and 74% of the total particulate absorption for the PAR waveband and at 400 nm, respectively, with their contribution to light absorption at 675 nm being negligible. Autotrophs dominated light absorption at 675 nm (on average 45.8% of total particulate absorption), whereas mixo-and heterotrophic ciliates and bacteria together contributed, on average, 22.5% of the total light absorption at this wavelength. The combined light absorption coefficient of microheterotrophs at 400 nm (0.0126 m ') was similar to that of autotrophs (0.013 m-l). These results documented the dominant role that inorganic particles play in the absorption of blue light in the Bay of Blanes and showed that the particulate light absorption by autotrophs was often comparable to that of heterotrophs.

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Empirical Relationships between Bacterial Abundance and Chlorophyll Concentration in Fresh and Marine Waters

Cited by 369 publications

References 48 publications

Nutrient limitation of bacterioplankton growth in Lake Dillon, Colorado

Nutrient limitation of bacterioplankton growth in Lake Dillon, Colorado

Relationship between bacteria, phytoplankton and heterotrophic nanoflagellates along the trophic gradient

Partitioning particulate light absorption: A budget for a Mediterranean bay

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