Abstract
The distribution pattern of Calluna vulgaris on the ombrotrophic peat bog Åkhultmyren, S. Sweden, was investigated. Calluna occurs primarily on hummocks, with its maximum biomass (ca 250 g m −2 above ground, and ca 300 g m −2 below ground) concentrated on hummock tops. Biomass decreased gradually along the hummock‐hollow gradient to a level of ca 5 cm above the water level. This decreasing biomass was correlated with a decrease in the predominant age of the above ground shoots from 6–8 yr to 3–4 yr old shoots. Calluna is characterized by extremely slow diameter growth and biomass increment. There was, however, a poor relation between height above water level and stem thickness, assimilating biomass and total shoot weight, respectively.
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Claims 7
Claim · model-written summary
Calluna occurs primarily on hummocks of the ombrotrophic peat bog Akhultmyren, southern Sweden.
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CallunaOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
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Verbatim
e0“Calluna occurs primarily on hummocks”
e1“ombrotrophic peat bog Åkhultmyren, S. Sweden”
Claim · model-written summary
Maximum above-ground biomass of Calluna was about 250 g m-2, concentrated on hummock tops.
- Taxon
- Calluna vulgaris
Calluna vulgarist0 - Outcome
- maximum biomasse0
- Value
- ca 250 g m −2 above grounde0
- Setting
- hummock topse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Calluna vulgaris”
e0“maximum biomass (ca 250 g m −2 above ground, and ca 300 g m −2 below ground) concentrated on hummock tops”
Claim · model-written summary
Maximum below-ground biomass of Calluna was about 300 g m-2, concentrated on hummock tops.
- Taxon
- Calluna vulgarisCalluna vulgarist0
- Outcome
- maximum biomasse0
- Value
- ca 300 g m −2 below grounde0
- Setting
- hummock topse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Calluna vulgaris”
e0“maximum biomass (ca 250 g m −2 above ground, and ca 300 g m −2 below ground) concentrated on hummock tops”
Claim · model-written summary
Calluna biomass decreased gradually along the hummock-hollow gradient to a level about 5 cm above the water level.
- Taxon
- Calluna vulgarisCalluna vulgarist0
- Outcome
- Biomass decreased graduallye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Calluna vulgaris”
e0“Biomass decreased gradually along the hummock‐hollow gradient to a level of ca 5 cm above the water level”
Claim · model-written summary
The decrease in biomass was correlated with a decrease in the predominant age of the above-ground shoots from 6-8 yr to 3-4 yr.
- Taxon
- Calluna vulgarisCalluna vulgarist0
- Organ / stage
- above ground shootse0
- Outcome
- predominant age of the above ground shootse0
- Direction
- decreasee0
- Value
- from 6–8 yr to 3–4 yre0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Calluna vulgaris”
e0“This decreasing biomass was correlated with a decrease in the predominant age of the above ground shoots from 6–8 yr to 3–4 yr old shoots”
Claim · model-written summary
Calluna is characterized by extremely slow diameter growth and biomass increment.
- Outcome
- extremely slow diameter growth and biomass incremente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Calluna is characterized by extremely slow diameter growth and biomass increment”
Claim · model-written summary
There was a poor relation between height above water level and stem thickness, assimilating biomass and total shoot weight.
- Taxon
- Calluna vulgarisCalluna vulgarist0
- Treatment
- height above water levele0
- Outcome
- stem thickness, assimilating biomass and total shoot weighte0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Calluna vulgaris”
e0“There was, however, a poor relation between height above water level and stem thickness, assimilating biomass and total shoot weight, respectively”