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Observationauthor interpretationreview summarybasis n/a

Claim · model-written summary

Human activities have the most significant impact on weed seed dispersal, frequently affecting weed introduction, distribution and seed bank.

Taxon
weedt0
Outcome
weed introduction,distribution,and seed banke1

Verbatim

e1

“human activities have the most significant impact,frequently affecting weed introduction,distribution,and seed bank”

✓ located verbatim in the source · abstract, characters 786–901
t0

“weed seed dispersal”

✓ located verbatim in the source · title, characters 40–59

Title

Progresses and prospects in research of weed seed dispersal

Ru Li Acta Ecologica Sinica 2007

Observationobservedoriginal resultmeasured

Claim · model-written summary

Weed seed dispersal in any direction approximately followed a Gaussian distribution.

Taxon
weede0
Outcome
dispersal of weed seed in any direction obeys an approximate Gaussian distributione0

Verbatim

e0

“dispersal of weed seed in any direction obeys an approximate Gaussian distribution”

✓ located verbatim in the source · abstract, characters 278–360

Title

THE ESTABLISHMENT OF SPATIAL MODELS FOR WEED SEED DISPERSAL

Jihuai Wang; QI Guo-zheng Guizhou kexue 2004

Other claims from this paper (3)
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Moldboard plowing made weed seed distribution more uniform in the upper 20 cm.

Treatment
Moldboard plowinge0
Outcome
distribution of the weed seedse0
Direction
more uniforme0
Value
20 cme0

Not reportedTaxonComparator

Verbatim

e0

“Moldboard plowing resulted in a more uniform distribution of the weed seeds over the upper 20 cm of soil”

✓ located verbatim in the source · abstract, characters 934–1038

Title

Weed Seed Bank Dynamics During a Five-Year Crop Rotation1

DOUGLAS D. BUHLER; KEITH A. KOHLER; RICHARD L. THOMPSON Weed Technology 2001. doi:10.1614/0890-037x(2001)015[0170:wsbdda]2.0.co;2

Other claims from this paper (8)
Observationobservedoriginal resultbasis n/a

Claim · model-written summary

The mapped output described dominant spatial features of weed distribution patterns.

Taxon
Grass Seed Cropst0
Interactor
weedst0weed
Outcome
dominant spatial features of weed distribution patternse1

Verbatim

t0

“Weeds of Grass Seed Crops”

✓ located verbatim in the source · title, characters 58–83
e1

“while describing dominant spatial features of weed distribution patterns”

✓ located verbatim in the source · abstract, characters 3714–3786

Title

GIS Analysis of Spatial Clustering and Temporal Change in Weeds of Grass Seed Crops

George W. Mueller-Warrant; Gerald W. Whittaker; William C. Young Weed Science 2008. doi:10.1614/ws-07-032.1

Other claims from this paper (16)
Observationobservedoriginal resultmeasured

Claim · model-written summary

Gutsa had the largest weed seed bank.

Taxon
weede1
Outcome
seed banke0
Direction
largeste0
Setting
Gutsae0

Verbatim

e0

“Gutsa had the largest seed bank”

✓ located verbatim in the source · abstract, characters 975–1006
e1

“distribution of weed seed bank”

✓ located verbatim in the source · abstract, characters 148–178

Title

EFFECT OF PERIOD OF CULTIVATION ON THE ABUNDANCE AND DISTRIBUTION OF WEED SEEDS IN THE SOIL PROFILE

Z. MAVUNGANIDZE Applied Ecology and Environmental Research 2009. doi:10.15666/aeer/0702_141148

Other claims from this paper (7)
Associationobservedoriginal resultmeasured

Claim · model-written summary

The spatial distribution type changed with wind speed under experimental conditions.

Taxon
weede0
Treatment
wind speede0
Outcome
spatial distribution type of weed seed dispersale0

Not reportedDirection

Verbatim

e0

“under the experimental conditions, spatial distribution type of weed seed dispersal will change with variation of wind speed”

✓ located verbatim in the source · abstract, characters 362–486

Title

THE ESTABLISHMENT OF SPATIAL MODELS FOR WEED SEED DISPERSAL

Jihuai Wang; QI Guo-zheng Guizhou kexue 2004

Other claims from this paper (3)
Observationobservedoriginal resultmeasured

Claim · model-written summary

In the remaining 22% of single-year cases, weed distribution was random rather than dispersed.

Taxon
Grass Seed Cropst0
Interactor
weedst0weed
Outcome
distribution patternse1
Value
22%e1
Qualifier
random rather than dispersede1

Verbatim

t0

“Weeds of Grass Seed Crops”

✓ located verbatim in the source · title, characters 58–83
e1

“The remaining 22% of single-year cases showed random rather than dispersed distribution patterns”

✓ located verbatim in the source · abstract, characters 1528–1624

Title

GIS Analysis of Spatial Clustering and Temporal Change in Weeds of Grass Seed Crops

George W. Mueller-Warrant; Gerald W. Whittaker; William C. Young Weed Science 2008. doi:10.1614/ws-07-032.1

Other claims from this paper (16)
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The clumped spatial distribution reduced weed seed production by 30 to 50% at weed densities of 1 to 5 plants m−1 of row, compared with regular and random arrangements.

Treatment
clumped distributione4
Outcome
seed productione4
Direction
reductione4
Value
30 to 50%e4
Comparator
regular and random spatial arrangementse5

Verbatim

t0

“competition between barnyardgrass and tomato”

✓ located verbatim in the source · title, characters 34–78
e4

“the clumped distribution resulted in 30 to 50% reduction in seed production at weed densities between 1 and 5 plants m−1 of row”

✓ located verbatim in the source · abstract, characters 729–856
e5

“Differences in seed production between plants in the regular and random spatial arrangements were minor”

✓ located verbatim in the source · abstract, characters 620–723

Title

Spatial arrangement, density, and competition between barnyardgrass and tomato: II. Barnyardgrass growth and seed production

Robert F. Norris; Clyde L. Elmore; Marcel Rejmánek; et al. Weed Science 2001. doi:10.1614/0043-1745(2001)049[0069:sadacb]2.0.co;2

Other claims from this paper (8)
Method / resourceobservedoriginal resultsimulated

Claim · model-written summary

Distribution models could estimate weed seed production under specific conditions.

Taxon
Bromus sterilisBromus sterilise1
Outcome
seedproductione0
Comparator
specific conditionse0

Verbatim

e0

“mathematical distribution models,when applied under specific conditions could, effectively estimate the seedproduction”

✓ located verbatim in the source · abstract, characters 731–849
e1

“weed species, Bromus sterilis”

✓ located verbatim in the source · abstract, characters 352–381

Title

The mathematical method of studying the reproduction structure of weeds and its application to Bromus sterilis

Svend Christensen; Preben Klarskov Hansen; Guozheng Qi; et al. Discrete and Continuous Dynamical Systems - B 2004. doi:10.3934/dcdsb.2004.4.777

Other claims from this paper (6)
Observationauthor interpretationoriginal resultmeasured

Claim · model-written summary

The authors infer that Howard’s distribution resembles vertical seed dispersal at middle wind speed.

Taxon
weede0
Outcome
distribution type described by Howard's model is similar to that of dispersal of weed seed in the heighte0
Qualifier
under the condition of middle speede0

Verbatim

e0

“We infer that the distribution type described by Howard's model is similar to that of dispersal of weed seed in the height under the condition of middle speed.”

✓ located verbatim in the source · abstract, characters 613–772

Title

THE ESTABLISHMENT OF SPATIAL MODELS FOR WEED SEED DISPERSAL

Jihuai Wang; QI Guo-zheng Guizhou kexue 2004

Other claims from this paper (3)

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