Paper · 1982 · Oikos

Seasonal Changes in Concentration and Distribution of Supplied Cadmium in a Filipendula Ulmaria Meadow Ecosystem

Anna-Maj Balsberg

6
claims
10
verbatim quotes
10
citations
1
research areas
—
Not open access

Abstract

Cadmium was added to the soil at two concentration levels in 1973. Samplings were made at six occasions in 1974. Movement of cadmium in the soil appeared to be very slow and most added cadmium (70% or more) was retained in the uppermost 5 cm of the soil. Less than 10% of total cadmium in the ecosystem was found in the biomass. The plant Cd concentration in relation to soil content and distribution in the biomass differed markedly between the treatments. Root Cd concentration exceeded that in soil and was several times the concentration in aboveground organs. Gradually towards the top of the plant the Cd concentration decreased in the following order: new roots > old roots > rhizomes > stem leaf-stalks > stems stem leaf-blades > sexual reproductive organs.

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Claims 6

Observationobservedoriginal resultmeasured

Claim · model-written summary

At least 70% of added cadmium remained in the uppermost 5 cm of soil.

Taxon
Filipendula UlmariaFilipendula ulmariat0
Outcome
cadmium (70% or more) was retainede0
Value
70% or moree0

Not reportedOrgan / stage

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Filipendula ulmaria
Filipendula ulmaria · TaxonW. Bulach · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“most added cadmium (70% or more) was retained in the uppermost 5 cm of the soil.”

✓ located verbatim in the source · abstract, characters 174–254 · show in text ↑
t0

“Filipendula Ulmaria”

✓ located verbatim in the source · title, characters 76–95 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Less than 10% of total ecosystem cadmium was in biomass.

Taxon
Filipendula UlmariaFilipendula ulmariat0
Outcome
total cadmium in the ecosystem was found in the biomasse0
Value
Less than 10%e0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Filipendula ulmaria
Filipendula ulmaria · TaxonW. Bulach · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Less than 10% of total cadmium in the ecosystem was found in the biomass.”

✓ located verbatim in the source · abstract, characters 255–328 · show in text ↑
t0

“Filipendula Ulmaria”

✓ located verbatim in the source · title, characters 76–95 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Plant Cd concentration relative to soil content and its biomass distribution differed markedly between treatments.

Taxon
plante0
Treatment
treatmentse0
Outcome
plant Cd concentratione0
Direction
differed markedlye0
Comparator
soil contente0

Verbatim

e0

“The plant Cd concentration in relation to soil content and distribution in the biomass differed markedly between the treatments.”

✓ located verbatim in the source · abstract, characters 329–457 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Root Cd concentration exceeded soil concentration.

Taxon
Filipendula UlmariaFilipendula ulmariat0
Organ / stage
Roote0
Outcome
Cd concentratione0
Direction
exceedede0
Comparator
soile0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Filipendula ulmaria
Filipendula ulmaria · TaxonW. Bulach · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Root Cd concentration exceeded that in soil”

✓ located verbatim in the source · abstract, characters 458–501 · show in text ↑
t0

“Filipendula Ulmaria”

✓ located verbatim in the source · title, characters 76–95 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Root Cd concentration was several times that in aboveground organs.

Taxon
Filipendula UlmariaFilipendula ulmariat0
Organ / stage
aboveground organse0
Outcome
concentratione0
Value
several timese0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Filipendula ulmaria
Filipendula ulmaria · TaxonW. Bulach · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“was several times the concentration in aboveground organs.”

✓ located verbatim in the source · abstract, characters 506–564 · show in text ↑
t0

“Filipendula Ulmaria”

✓ located verbatim in the source · title, characters 76–95 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Cadmium concentration decreased upward through the plant from new roots to sexual reproductive organs.

Taxon
plante0
Organ / stage
new roots > old roots > rhizomes > stem leaf-stalks > stems stem leaf-blades > sexual reproductive organse0
Outcome
Cd concentratione0
Direction
decreasede0

Verbatim

e0

“Gradually towards the top of the plant the Cd concentration decreased in the following order: new roots > old roots > rhizomes > stem leaf-stalks > stems stem leaf-blades > sexual reproductive organs.”

✓ located verbatim in the source · abstract, characters 565–765 · show in text ↑