Abstract
S ummary Two populations of Agrostis stolonifera and seven populations of Festuca rubra from salt marsh and inland habitats were grown on a free draining soil and at two levels of soil waterlogging. The growth of A. stolonifera was stimulated by soil waterlogging while that of F. rubra was depressed. There was no difference between the two populations of A. stolonifera in growth response to waterlogging but the inland population had a greater Fe concentration in the shoots when grown on waterlogged soil than the salt marsh population. In F. rubra the yield of the salt marsh populations was generally less depressed by soil waterlogging than that of populations from free draining soils; the salt marsh populations also had lower concentrations of Fe and Mn in the shoot on the continuously waterlogged soil than the inland populations. It is concluded that the evolution of a degree of waterlogging tolerance has occurred in the salt marsh populations of F. rubra in response to the periodic flooding by sea water in their native habitats.
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Claims 7
Claim · model-written summary
Soil waterlogging stimulated the growth of Agrostis stolonifera.
- Taxon
- Agrostis stolonifera
Agrostis stoloniferae0 - Treatment
- soil waterlogginge1
- Outcome
- growthe1
- Direction
- stimulatede1
- Comparator
- free draining soile0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Two populations of Agrostis stolonifera and seven populations of Festuca rubra from salt marsh and inland habitats were grown on a free draining soil and at two levels of soil waterlogging”
e1“The growth of A. stolonifera was stimulated by soil waterlogging while that of F. rubra was depressed”
Claim · model-written summary
Soil waterlogging depressed the growth of Festuca rubra.
- Taxon
- Festuca rubra
Festuca rubrae0 - Treatment
- soil waterlogginge1
- Outcome
- growthe1
- Direction
- depressede1
- Comparator
- free draining soile0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Two populations of Agrostis stolonifera and seven populations of Festuca rubra from salt marsh and inland habitats were grown on a free draining soil and at two levels of soil waterlogging”
e1“The growth of A. stolonifera was stimulated by soil waterlogging while that of F. rubra was depressed”
Claim · model-written summary
The two Agrostis stolonifera populations did not differ in growth response to waterlogging.
- Taxon
- Agrostis stoloniferaAgrostis stoloniferae0
- Material
- two populations of A. stoloniferae1
- Outcome
- growth response to waterlogginge1
- Direction
- no differencee1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Two populations of Agrostis stolonifera and seven populations of Festuca rubra from salt marsh and inland habitats were grown on a free draining soil and at two levels of soil waterlogging”
e1“There was no difference between the two populations of A. stolonifera in growth response to waterlogging”
Claim · model-written summary
The inland Agrostis stolonifera population had a greater shoot Fe concentration on waterlogged soil than the salt marsh population.
- Taxon
- Agrostis stoloniferaAgrostis stoloniferae0
- Material
- inland populatione1
- Organ / stage
- shootse1
- Treatment
- waterlogged soile1
- Outcome
- Fe concentration in the shootse1
- Direction
- greatere1
- Comparator
- salt marsh populatione1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Two populations of Agrostis stolonifera and seven populations of Festuca rubra from salt marsh and inland habitats were grown on a free draining soil and at two levels of soil waterlogging”
e1“but the inland population had a greater Fe concentration in the shoots when grown on waterlogged soil than the salt marsh population”
Claim · model-written summary
Salt marsh Festuca rubra populations yield was less depressed by waterlogging than that of populations from free draining soils.
- Taxon
- Festuca rubraFestuca rubrae0
- Material
- salt marsh populationse1
- Treatment
- soil waterlogginge1
- Outcome
- yielde1
- Direction
- less depressede1
- Comparator
- populations from free draining soilse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Two populations of Agrostis stolonifera and seven populations of Festuca rubra from salt marsh and inland habitats were grown on a free draining soil and at two levels of soil waterlogging”
e1“In F. rubra the yield of the salt marsh populations was generally less depressed by soil waterlogging than that of populations from free draining soils”
Claim · model-written summary
Salt marsh Festuca rubra populations had lower shoot Fe and Mn concentrations on continuously waterlogged soil than inland populations.
- Taxon
- Festuca rubraFestuca rubrae0
- Material
- salt marsh populationse1
- Organ / stage
- shoote1
- Treatment
- continuously waterlogged soile1
- Outcome
- concentrations of Fe and Mn in the shoote1
- Direction
- lowere1
- Comparator
- the inland populationse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Two populations of Agrostis stolonifera and seven populations of Festuca rubra from salt marsh and inland habitats were grown on a free draining soil and at two levels of soil waterlogging”
e1“the salt marsh populations also had lower concentrations of Fe and Mn in the shoot on the continuously waterlogged soil than the inland populations”
Claim · model-written summary
Waterlogging tolerance in salt marsh Festuca rubra populations evolved in response to periodic sea-water flooding.
- Taxon
- Festuca rubraFestuca rubrae0
- Material
- salt marsh populationse1
- Outcome
- evolution of a degree of waterlogging tolerancee1
- Qualifier
- periodic flooding by sea water in their native habitatse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Two populations of Agrostis stolonifera and seven populations of Festuca rubra from salt marsh and inland habitats were grown on a free draining soil and at two levels of soil waterlogging”
e1“the evolution of a degree of waterlogging tolerance has occurred in the salt marsh populations of F. rubra in response to the periodic flooding by sea water in their native habitats”
The same questions in other papers
flooding · growth · Agrostis stolonifera (creeping bent grass)Positive and negative results
1 paper in the same direction as this paper · 1 in the opposite direction
- negative
- positive
flooding · growth · Festuca rubraResults agree
2 papers in the same direction as this paper
- negative
- negative
Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.