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Observationobservedoriginal resultmeasured

Claim · model-written summary

During succession, annual density and biomass decreased.

Taxon
annualse0
Outcome
density and biomasse0
Direction
decreasee0

Verbatim

e0

“The normal course of succession was a decrease in density and biomass of annuals”

✓ located verbatim in the source · abstract, characters 665–745

Title

Effects of Shade, Litter and Root Competition on Old-Field Vegetation in South Carolina

Carl D. Monk; Frederick C. Gabrielson Bulletin of the Torrey Botanical Club 1985. doi:10.2307/2996039

Other claims from this paper (18)
Associationobservedoriginal resultmeasured

Claim · model-written summary

Tree density tended to fall with greater fire frequency.

Taxon
treese0
Treatment
frequency of firee0
Outcome
densitye0
Direction
decreasee0

Verbatim

e0

“density of non-prairie shrubs and of trees showed tendencies to decrease with increased frequency of fire”

✓ located verbatim in the source · abstract, characters 1084–1189

Title

Effects of fire frequency on oak savanna in

John R. Tester 1989

Other claims from this paper (5)
Mechanismauthor interpretationoriginal resultbasis n/a

Claim · model-written summary

The authors consider the decrease in weed density to be due to increased cultivation and pest control techniques.

Taxon
weede0
Outcome
decreasee1
Qualifier
increase in cultivation and pest control techniquese1

Verbatim

e0

“the total weed density had decreased at a significant level during the last 31 years”

✓ located verbatim in the source · abstract, characters 1717–1801
e1

“It is considered that this decrease was due to the increase in cultivation and pest control techniques”

✓ located verbatim in the source · abstract, characters 1940–2042

Title

Changes of weed flora in cereal fields over the last 31 years in Van, Turkey

Reyyan Yergin Özkan; Işik Tepe Pakistan Journal of Botany 2020. doi:10.30848/pjb2020-6(41)

Other claims from this paper (12)
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Ramet density and the increasing rate of the clone population first increase and then decrease across soil moisture conditions.

Taxon
Hippophae rhamniodest0
Treatment
soil moisture conditionse3
Outcome
ramets densitye4
Direction
increase first and then decreasee4

Not reportedComparator

Verbatim

t0

“Hippophae rhamniodes L.subsp sinensis”

✓ located verbatim in the source · title, characters 101–138
e3

“Based on the investigation of clonal growth under different soil moisture conditions”

✓ located verbatim in the source · abstract, characters 277–361
e4

“The ramets density,and the increasing rate of clone population,however,tend to increase first and then decrease”

✓ located verbatim in the source · abstract, characters 741–852

Title

Population quantity and population structure in response to soil moisture in the clonal tree species Hippophae rhamniodes L.subsp sinensis

NI Jin-bi Journal of Northwest A & F University 2007

Other claims from this paper (4)
Associationobservedoriginal resultmeasured

Claim · model-written summary

Tree density decreased as basal area increased.

Taxon
tree speciese1
Outcome
densitye0
Direction
decreasee0
Setting
increasing basal areae0

Verbatim

e0

“species diversity and density decrease with increasing basal area.”

✓ located verbatim in the source · abstract, characters 852–918
e1

“diversity of tree species”

✓ located verbatim in the source · abstract, characters 353–378

Title

Diversity and quantitative analysis of dominant tree species in district Chamba of Himachal Pradesh

K. Singh; R. Kaushal Indian Journal of Forestry 2006. doi:10.54207/bsmps1000-2006-ow7i5j

Other claims from this paper (9)
Associationhypothesisoriginal resultmeasured

Claim · model-written summary

With more nutrients, density was expected to decrease for populations with high asymmetric competition.

Taxon
Zizania palustrisZizania palustrist0
Treatment
nutrient levels increasee0
Outcome
plant densitiese0
Direction
decreasee0
Qualifier
populations with high levels of asymmetric competitione0

Verbatim

e0

“As nutrient levels increase, plant densities would be expected to decrease for populations with high levels of asymmetric competition”

✓ located verbatim in the source · abstract, characters 1347–1480
t0

“Zizania palustris”

✓ located verbatim in the source · title, characters 128–145

Title

Ecological relationships of wild rice, Zizania spp. 10. Effects of sediment and among-population variations on plant density in Zizania palustris

P F Lee Canadian Journal of Botany 2002. doi:10.1139/b02-118

Other claims from this paper (9)
Mechanismauthor interpretationreview summarybasis n/a

Claim · model-written summary

Fragmentation is likely to decrease species density through local extinction and generalist invasion.

Taxon
grasslandse0
Outcome
species densitye0
Direction
declinee0
Qualifier
local extinctions and invasion by habitat generalistse0

Verbatim

e0

“Fragmentation influences remaining semi-natural grasslands such that species density is likely to decline as a result of local extinctions and invasion by habitat generalists.”

✓ located verbatim in the source · abstract, characters 931–1106

Title

Land-use history and fragmentation of traditionally managed grasslands in Scandinavia

Ove Eriksson; Sara A.O. Cousins; Hans Henrik Bruun Journal of Vegetation Science 2002. doi:10.1658/1100-9233(2002)013[0743:lhafot]2.0.co;2

Other claims from this paper (6)
Associationauthor interpretationoriginal resultnegativemeasured

Claim · model-written summary

Herbicide selection was associated with a larger decrease in weed diversity and density in diversified rotations.

Taxon
weede0
Treatment
Herbicide selectione0
Outcome
weed diversity and population densitiese0
Direction
greater decreasee0

Verbatim

e0

“Herbicide selection depended on the occurrence and density of target weed species, and led to greater decrease in weed diversity and population densities in the diversified crop rotations”

✓ located verbatim in the source · abstract, characters 1461–1648

Title

Impact of 40 Years Use of Different Herbicide Strategies and Crop Rotations on Weed Communities in Two Sites of the Czech Republic

Markéta Mayerová; Jan Mikulka; Michaela Kolářová; et al. Agriculture 2022. doi:10.3390/agriculture13010102

Other claims from this paper (7)
Associationauthor interpretationoriginal resultpositivemeasured

Claim · model-written summary

Greater tree density was associated with lower air temperature in the urban forest.

Taxon
treee0
Outcome
air temperaturee0
Direction
decreasee0
Qualifier
High densitye0

Not reportedMaterialSetting

Verbatim

e0

“High density of tree could decrease the air temperature and increase the humidity”

✓ located verbatim in the source · abstract, characters 960–1041

Title

Tingkat Kenyamanan Di Hutan Kota Patriot Bina Bangsa Kota Bekasi

Audy Evert; Slamet Budi Yuwono; Duryat Duryat Jurnal Sylva Lestari 2017. doi:10.23960/jsl1514-25

Other claims from this paper (7)
Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Green waste mulch did not decrease grass density.

Taxon
Native Shrublandt0
Treatment
city green‐waste mulche1
Outcome
grass densitye0
Direction
did not result in decreasede0

Not reportedComparator

Verbatim

t0

“Native Shrubland”

✓ located verbatim in the source · title, characters 17–33
e0

“did not result in decreased grass density or increased native shrub establishment”

✓ located verbatim in the source · abstract, characters 850–931
e1

“The city green‐waste mulch used in this study”

✓ located verbatim in the source · abstract, characters 751–796

Title

Restoration of a Native Shrubland Impacted by Exotic Grasses, Frequent Fire, and Nitrogen Deposition in Southern California

Nancy K. Cione; Pamela E. Padgett; Edith B. Allen Restoration Ecology 2002. doi:10.1046/j.1526-100x.2002.02038.x

Other claims from this paper (11)

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