Abstract
Foliage production by members of Cupressaceae is difficult to measure by direct methods because of the growth and abscission pattern of the foliage sprays. An estimate of production was calculated for Thuja occidentalis by estimating foliage turnover as a ratio of litter fall to foliage biomass. Thuja foliage litter was 103 g/m2 in a T. occidentalis swamp in E-Central Minnesota. Total litter fall was 422 g/m2. A correction factor of 1.17 was derived from analyses of weight/area ratios of dead, fallen foliage fragments, and dried samples of live foliage. The ratio of corrected litter weight (120 g/m2) to an estimate of foliage biomass from an earlier study (563 g/m2) was 0.21.
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Claims 6
Claim · model-written summary
Thuja foliage litter was 103 g/m2.
ThujaOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Thuja foliage litter was 103 g/m2 in a T. occidentalis swamp in E-Central Minnesota.”
Claim · model-written summary
Total litter fall was 422 g/m2.
- Taxon
- Thuja occidentalis L.
.jpg?width=60)
Thuja occidentalist0 - Outcome
- Total litter falle0
- Value
- 422 g/m2e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
t0“Thuja occidentalis L.”
e0“Total litter fall was 422 g/m2.”
Claim · model-written summary
The foliage-fragment correction factor was 1.17.
- Taxon
- Thuja occidentalis L.Thuja occidentalist0
- Organ / stage
- foliagee0
- Outcome
- correction factore0
- Value
- 1.17e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Thuja occidentalis L.”
e0“A correction factor of 1.17 was derived from analyses of weight/area ratios of dead, fallen foliage fragments, and dried samples of live foliage.”
Claim · model-written summary
Corrected litter weight was estimated at 120 g/m2.
- Taxon
- Thuja occidentalis L.Thuja occidentalist0
- Outcome
- corrected litter weighte0
- Value
- 120 g/m2e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Thuja occidentalis L.”
e0“corrected litter weight (120 g/m2)”
Claim · model-written summary
Estimated foliage biomass from an earlier study was 563 g/m2.
- Taxon
- Thuja occidentalis L.Thuja occidentalist0
- Outcome
- foliage biomasse0
- Value
- 563 g/m2e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Thuja occidentalis L.”
e0“an estimate of foliage biomass from an earlier study (563 g/m2)”
Claim · model-written summary
The corrected litter-to-foliage-biomass ratio was 0.21.
- Taxon
- Thuja occidentalis L.Thuja occidentalist0
- Outcome
- ratio of corrected litter weight (120 g/m2) to an estimate of foliage biomasse0
- Value
- 0.21e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Thuja occidentalis L.”
e0“The ratio of corrected litter weight (120 g/m2) to an estimate of foliage biomass from an earlier study (563 g/m2) was 0.21.”