MACROPHYTE STANDING CROP AND PRIMARY PRODUCTWITY IN SOME FLORIDA SPRING‐RUNS

Carlos M. Duarte; Daniel E. Canfield

doi:10.1111/j.1752-1688.1990.tb01426.x

MACROPHYTE STANDING CROP AND PRIMARY PRODUCTWITY IN SOME FLORIDA SPRING‐RUNS

Carlos M. Duarte^*, Daniel E. Canfield

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

14 Scopus citations

Abstract

ABSTRACT: A survey of 31 Florida spring‐runs was conducted to estimate their submerged macrophyte standing crop and primary productivity. The standing crops of submerged vegetation were not significantly (p > 0.05) correlated to either total nitrogen (r = 0) or total phosphorus (r =−0.20) concentrations, but standing crops were significantly (p < 0.01) correlated to the percentage of the spring‐run's water surface shaded by marginal vegetation (r =−0.76). Maximum daily rates of primary productivity were positively correlated with average submerged macrophyte standing crops (r = 0.81; p < 0.001) and inversely correlated with the degree of shading by marginal vegetation (r =− 0.43; p < 0.05).

Original language	English (US)
Pages (from-to)	927-934
Number of pages	8
Journal	JAWRA Journal of the American Water Resources Association
Volume	26
Issue number	6
DOIs	https://doi.org/10.1111/j.1752-1688.1990.tb01426.x
State	Published - Dec 1990
Externally published	Yes

Keywords

Florida springs
light availability
primary production
submerged macrophytes

ASJC Scopus subject areas

Ecology
Water Science and Technology
Earth-Surface Processes

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10.1111/j.1752-1688.1990.tb01426.x

Cite this

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title = "MACROPHYTE STANDING CROP AND PRIMARY PRODUCTWITY IN SOME FLORIDA SPRING‐RUNS",

abstract = "ABSTRACT: A survey of 31 Florida spring‐runs was conducted to estimate their submerged macrophyte standing crop and primary productivity. The standing crops of submerged vegetation were not significantly (p > 0.05) correlated to either total nitrogen (r = 0) or total phosphorus (r =−0.20) concentrations, but standing crops were significantly (p < 0.01) correlated to the percentage of the spring‐run's water surface shaded by marginal vegetation (r =−0.76). Maximum daily rates of primary productivity were positively correlated with average submerged macrophyte standing crops (r = 0.81; p < 0.001) and inversely correlated with the degree of shading by marginal vegetation (r =− 0.43; p < 0.05).",

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journal = "JAWRA Journal of the American Water Resources Association",

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number = "6",

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T1 - MACROPHYTE STANDING CROP AND PRIMARY PRODUCTWITY IN SOME FLORIDA SPRING‐RUNS

AU - Duarte, Carlos M.

AU - Canfield, Daniel E.

PY - 1990/12

Y1 - 1990/12

N2 - ABSTRACT: A survey of 31 Florida spring‐runs was conducted to estimate their submerged macrophyte standing crop and primary productivity. The standing crops of submerged vegetation were not significantly (p > 0.05) correlated to either total nitrogen (r = 0) or total phosphorus (r =−0.20) concentrations, but standing crops were significantly (p < 0.01) correlated to the percentage of the spring‐run's water surface shaded by marginal vegetation (r =−0.76). Maximum daily rates of primary productivity were positively correlated with average submerged macrophyte standing crops (r = 0.81; p < 0.001) and inversely correlated with the degree of shading by marginal vegetation (r =− 0.43; p < 0.05).

AB - ABSTRACT: A survey of 31 Florida spring‐runs was conducted to estimate their submerged macrophyte standing crop and primary productivity. The standing crops of submerged vegetation were not significantly (p > 0.05) correlated to either total nitrogen (r = 0) or total phosphorus (r =−0.20) concentrations, but standing crops were significantly (p < 0.01) correlated to the percentage of the spring‐run's water surface shaded by marginal vegetation (r =−0.76). Maximum daily rates of primary productivity were positively correlated with average submerged macrophyte standing crops (r = 0.81; p < 0.001) and inversely correlated with the degree of shading by marginal vegetation (r =− 0.43; p < 0.05).

KW - Florida springs

KW - light availability

KW - primary production

KW - submerged macrophytes

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MACROPHYTE STANDING CROP AND PRIMARY PRODUCTWITY IN SOME FLORIDA SPRING‐RUNS

Abstract

Keywords

ASJC Scopus subject areas

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