By organism › Green plants › Asteraceae › Centaurea pulchella

Mechanismauthor interpretationoriginal resultmeasured

Claim · model-written summary

Hyalea pulchella alleviated drought effects by adjusting leaf traits.

Taxon: Hyalea pulchellaCentaurea pulchellae1
Outcome: alleviate the negative effects of droughte0
Qualifier: adjusting leaf traitse0

Verbatim

e0
“H. pulchella can alleviate the negative effects of drought by adjusting leaf traits.”
✓ located verbatim in the source · abstract, characters 1101–1185

e1
“Hyalea pulchella”
✓ located verbatim in the source · abstract, characters 366–382

Title

Responses of Ephemeral Plants to Precipitation Changes and Their Effects on Community in Central Asia Cold Desert

Xiaohan Mu; Xinjun Zheng; Gang Huang; et al. Plants 2023. doi:10.3390/plants12152841

Other claims from this paper (17)

Intervention effect Drought significantly reduced survival, seed production and seed weight.
Intervention effect Drought significantly reduced aboveground biomass accumulation.
Observation Four ephemeral species differed in tolerance and response to precipitation.
Mechanism Erodium oxyrhinchum avoided drought by accelerating its life history.
Mechanism Malcolmia scorpioides avoided drought by accelerating its life history.
Mechanism Erodium oxyrhinchum alleviated drought effects by adjusting leaf traits.
Mechanism Alyssum linifolium alleviated drought effects by adjusting leaf traits.
Observation Species responses to wet treatment were inconsistent.
Observation Trait networks classified Alyssum linifolium as ruderal.
Observation Trait networks classified Erodium oxyrhinchum as competitive.
Observation Trait networks classified Malcolmia scorpioides as competitive.
Observation Trait networks classified Hyalea pulchella as stress tolerant.
Mechanism Trait coordination made Erodium oxyrhinchum dominant in the community.
Observation Authors infer ephemeral plants adapt somewhat to precipitation changes.
Mechanism Growth or reproductive advantages enabled coexistence in the same niche.
Intervention effect Drought significantly reduced community cover.
Intervention effect Drought significantly reduced the ecological value of ephemeral plants.

Observationauthor interpretationoriginal resultmeasured

Claim · model-written summary

Trait networks classified Hyalea pulchella as stress tolerant.

Taxon: Hyalea pulchellaCentaurea pulchellae1
Outcome: stress-tolerant plante0

Verbatim

e0
“H. pulchella belongs to the stress-tolerant plant”
✓ located verbatim in the source · abstract, characters 1453–1502

e1
“Hyalea pulchella”
✓ located verbatim in the source · abstract, characters 366–382

Title

Responses of Ephemeral Plants to Precipitation Changes and Their Effects on Community in Central Asia Cold Desert

Xiaohan Mu; Xinjun Zheng; Gang Huang; et al. Plants 2023. doi:10.3390/plants12152841

Other claims from this paper (17)

Intervention effect Drought significantly reduced survival, seed production and seed weight.
Intervention effect Drought significantly reduced aboveground biomass accumulation.
Observation Four ephemeral species differed in tolerance and response to precipitation.
Mechanism Erodium oxyrhinchum avoided drought by accelerating its life history.
Mechanism Malcolmia scorpioides avoided drought by accelerating its life history.
Mechanism Erodium oxyrhinchum alleviated drought effects by adjusting leaf traits.
Mechanism Alyssum linifolium alleviated drought effects by adjusting leaf traits.
Mechanism Hyalea pulchella alleviated drought effects by adjusting leaf traits.
Observation Species responses to wet treatment were inconsistent.
Observation Trait networks classified Alyssum linifolium as ruderal.
Observation Trait networks classified Erodium oxyrhinchum as competitive.
Observation Trait networks classified Malcolmia scorpioides as competitive.
Mechanism Trait coordination made Erodium oxyrhinchum dominant in the community.
Observation Authors infer ephemeral plants adapt somewhat to precipitation changes.
Mechanism Growth or reproductive advantages enabled coexistence in the same niche.
Intervention effect Drought significantly reduced community cover.
Intervention effect Drought significantly reduced the ecological value of ephemeral plants.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Allometric scaling exponents in H. pulchella rose, then fell and stabilized later.

Taxon: H. pulchellaCentaurea pulchellae0
Outcome: allometric scaling exponentse0
Direction: initially increased and then decreasede0

Verbatim

e0
“the allometric scaling exponents in H. pulchella and C. arenarius initially increased and then decreased, and tended to become stable toward the later period”
✓ located verbatim in the source · abstract, characters 954–1111

Title

Biomass allocation and leaf stoichiometric characteristics in four desert herbaceous plants during different growth periods in the Gurbantünggüt Desert, China

Ya Xiao Chinese Journal of Plant Ecology 2014

Other claims from this paper (8)

Observationobservedoriginal resultmeasured

Claim · model-written summary

Leaf N and P contents tended to increase in H. pulchella with growth.

Taxon: H. pulchellaCentaurea pulchellae0
Outcome: leaf N and P contentse0
Direction: increasee0

Verbatim

e0
“The leaf N and P contents tended to increase in H. pulchella”
✓ located verbatim in the source · abstract, characters 1259–1319

Title

Biomass allocation and leaf stoichiometric characteristics in four desert herbaceous plants during different growth periods in the Gurbantünggüt Desert, China

Ya Xiao Chinese Journal of Plant Ecology 2014

Other claims from this paper (8)

Observationobservedoriginal resultmeasured

Claim · model-written summary

Allometric exponents in H. pulchella first rose, then fell and stabilized late.

Taxon: H. pulchellaCentaurea pulchellae0
Outcome: allometric scaling exponentse0
Direction: initially increased and then de- creasede0
Qualifier: toward the later periode0

Verbatim

e0
“allometric scaling exponents in H. pulchella and C. arenarius initially increased and then de- creased, and tended to become stable toward the later period”
✓ located verbatim in the source · abstract, characters 962–1117

Title

Biomass allocation and leaf stoichiometric characteristics in four desert herbaceous plants during different growth periods in the Gurbantünggüt Desert, China

XIAO Yao; TAO Ye; and ZHANG Yuan-Ming Chinese Journal of Plant Ecology 2014. doi:10.3724/sp.j.1258.2014.00087

Other claims from this paper (8)

Association Root to shoot ratio declined as biomass accumulated in all four species.
Observation Above and belowground biomass allometry varied among species.
Observation Allometric exponents in C. arenarius first rose, then fell and stabilized late.
Observation Allometric exponents in E. oxyrrhynchum rose and approached isometry late.
Observation Allometric exponents in A. squarrosum rose and approached isometry late.
Observation Leaf N and P tended to increase in H. pulchella during growth.
Observation Leaf N and P declined in the other three species during growth.
Association Leaf N-P stoichiometry showed weak correlations with biomass indices.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Leaf N and P tended to increase in H. pulchella during growth.

Taxon: H. pulchellaCentaurea pulchellae0
Outcome: leaf N and P contentse0
Direction: increasee0

Verbatim

e0
“leaf N and P contents tended to increase in H. pulchella”
✓ located verbatim in the source · abstract, characters 1269–1325

Title

Biomass allocation and leaf stoichiometric characteristics in four desert herbaceous plants during different growth periods in the Gurbantünggüt Desert, China

XIAO Yao; TAO Ye; and ZHANG Yuan-Ming Chinese Journal of Plant Ecology 2014. doi:10.3724/sp.j.1258.2014.00087

Other claims from this paper (8)

Association Root to shoot ratio declined as biomass accumulated in all four species.
Observation Above and belowground biomass allometry varied among species.
Observation Allometric exponents in H. pulchella first rose, then fell and stabilized late.
Observation Allometric exponents in C. arenarius first rose, then fell and stabilized late.
Observation Allometric exponents in E. oxyrrhynchum rose and approached isometry late.
Observation Allometric exponents in A. squarrosum rose and approached isometry late.
Observation Leaf N and P declined in the other three species during growth.
Association Leaf N-P stoichiometry showed weak correlations with biomass indices.

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Hyalea pulchella growth increased significantly with water input; the five responsive species had biomass productivity increases of 86%-230% under 40 or 80 mm watering relative to control.

Taxon: Hyalea pulchellaCentaurea pulchellae0
Treatment: watered with 40 or 80 mme1
Outcome: above-ground biomass productivitye1
Direction: increasede1
Value: 86%-230%e1
Qualifier: five plant speciese1
Comparator: controle1

Verbatim

e0
“Five of the six dominant species(Erodium oxyrrhynchum,Trigonella arcuata,Alyssum linifolium,Ceratocarpus arenarius and Hyalea pulchella)showed a significant positive growth response with increasing water input.”
✓ located verbatim in the source · abstract, characters 772–982

e1
“Compared to the control,the above-ground biomass productivity of the five plant species watered with 40 or 80 mm was increased by 86%-230%.”
✓ located verbatim in the source · abstract, characters 982–1121

Title

Response of grass growth and productivity to enhanced water input in ephemeral desert grassland in Gurbantunggut desert

Tao Zhang 2009

Other claims from this paper (11)

Centaurea pulchella 7 claims

7 claims