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Taxon groups are the verbatim names found in the abstracts (case-insensitive), not normalised: maize, corn and Zea mays are separate groups here. The Organism view merges them through NCBI Taxonomy.

not stated 20

Observationobservedoriginal resultmeasured

Claim · model-written summary

The two community forests showed a decrease in tree density.

Outcome
tree densitye0

Not reportedTaxon

Verbatim

e0

“decrease in tree density”

✓ located verbatim in the source · abstract, characters 1198–1222

Title

Diversité Floristique Et Structurale De Deux Forêts Communautaires Sous Exploitation Au Cameroun: Cas De Kompia Et Nkolenyeng

Kengne Olivier Clovis; Zapfack Louis; Garcia Claude; et al. European Scientific Journal ESJ 2018. doi:10.19044/esj.2018.v14n24p245

Other claims from this paper (14)
Associationobservedoriginal resultmeasured

Claim · model-written summary

Gorse seed density did not clearly decrease with pine stand age.

Outcome
Seed-bank densitye0
Direction
did not show a clear decreasee0
Setting
pine stande0

Not reportedTaxon

Verbatim

e0

“Seed-bank density did not show a clear decrease in seed number with pine stand age”

✓ located verbatim in the source · abstract, characters 780–862

Title

Gorse seed bank variability in maritime pine stands

Maya Gonzalez; Alexis Mathieu; Laurent Augusto; et al. Seed Science Research 2009. doi:10.1017/s0960258509990237

Other claims from this paper (2)
Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Soil seed-bank density and Shannon-Wiener diversity tended to decrease with greater fertilization.

Treatment
fertilizatione0
Outcome
density and Shannon-Wiener diversity indexe0
Direction
decreasee0

Not reportedTaxon

Verbatim

e0

“for soil seed bank,density and Shannon-Wiener diversity index tended to decrease,and Simpson dominance index tended to increase with the enhancement of fertilization”

✓ located verbatim in the source · abstract, characters 1278–1443

Title

Effects of long-term different fertilization on weeds seed bank and community in paddy fields in winter fallow season

Wang Fei Soil and Environmental Sciences 2013

Other claims from this paper (11)

tree species 8

Show all 8 →
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)
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Species richness, diversity and seedling density fell in gap zones after creation.

Taxon
tree speciest0
Treatment
gap creatione0
Outcome
species richness and diversity and seedling densitye0
Direction
decreasee0

Not reportedComparator

Verbatim

e0

“Before gap creation, species richness and diversity and seedling density were quite similar. After gap creation a sharp decrease could be verified in the gap.zones”

✓ located verbatim in the source · abstract, characters 843–1006
t0

“Regeneration of tree species in felling gaps”

✓ located verbatim in the source · abstract, characters 0–44

Title

Regeneration in felling gaps after logging in Acre state, Western Amazon.

M. V. N. d'. Oliveira; Michael Swaine; David F. R. P. Burslem Portuguese National Funding Agency for Science, Research and Technology (RCAAP Project by FCT) 2016

Other claims from this paper (12)
Associationobservedoriginal resultmeasured

Claim · model-written summary

high density of species decreases the probability of an NTFP tree absence in the buffer zone

Taxon
tree speciese0
Treatment
high density of speciese3
Outcome
probability of an NTFP tree absence in the buffer zonee3
Direction
decreasee3

Verbatim

e0

“We identified 249 tree species, of which 48% were classified as NTFP species”

✓ located verbatim in the source · abstract, characters 346–422
e3

“the high density of species, and collections of fruit, leaf, and resin decrease the probability of an NTFP tree absence in the buffer zone”

✓ located verbatim in the source · abstract, characters 751–889

Title

Impact of Non-Timber Forest Product Use on the Tree Community in North-Western Vietnam

Thi Hoa Hong Dao; Dirk Hölscher Forests 2018. doi:10.3390/f9070431

Other claims from this paper (5)
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 resultmeasured

Claim · model-written summary

Cutting plus planting most decreased climber density.

Taxon
treet0
Treatment
cutting + plantinge0
Interactor
climberse0other
Outcome
density and basal area of climberse0
Direction
highest decreasee0

Not reportedComparator

Verbatim

e0

“cutting + planting resulted in the highest decrease in the density and basal area of climbers longer than 1 m”

✓ located verbatim in the source · abstract, characters 686–795
t0

“Tree”

✓ located verbatim in the source · title, characters 30–34

Title

Combining Climber Cutting and Tree Seedling Planting Improves Structural Attributes of a Seasonal Semideciduous Forest in Southeastern Brazil

Guilherme Aparecido Melo dos Santos; Valéria Forni Martins; Ana Carolina Cardoso de Oliveira; et al. Biotropica 2025. doi:10.1111/btp.70023

Other claims from this paper (7)
Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

Tree density declined from 399 trees/ha in 1973 to 249 trees/ha.

Taxon
treee0
Outcome
tree densitye0
Direction
decreasee0
Value
249 trees/hae0
Qualifier
399 trees/hae0

Verbatim

e0

“the site has experienced a decrease in both tree density (399 trees/ha vs. 249 trees/ha) and basal area (33.35 m 2 /ha vs. 22.91 m 2 /ha)”

✓ located verbatim in the source · abstract, characters 999–1136

Title

Vegetation and Flora of American Beech Woods Nature Preserve, Clark County, Illinois

Bob Edgin; Gordon C. Tucker; John E. Ebinger The Keep (Eastern Illinois University) 2005

Other claims from this paper (12)
Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

Trunk density declined further by 2003.

Taxon
Forestt0
Outcome
trunk densitye0
Direction
decreasee0
Setting
Masoala Peninsulat0

Verbatim

t0

“Forest of Masoala Peninsula, Madagascar”

✓ located verbatim in the source · title, characters 36–75
e0

“a further decrease in trunk density, an increase in the frequency of herbs and woody pioneers, a decrease in the frequency of liana and saplings of primary forest trees in the “shrub layer”, and an increase of vegetation in the “shrub layer” but decrease of vegetation in the “canopy layer”.”

✓ located verbatim in the source · abstract, characters 1452–1743

Title

The Effects of Cyclone Hudah on the Forest of Masoala Peninsula, Madagascar

C Birkinshaw; M Randrianjanahary Madagascar Conservation & Development 2009. doi:10.4314/mcd.v2i1.44125

Other claims from this paper (19)
Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

Canopy-layer vegetation decreased by 2003.

Taxon
Forestt0
Outcome
vegetation in the “canopy layer”e0
Direction
decreasee0
Setting
Masoala Peninsulat0

Verbatim

t0

“Forest of Masoala Peninsula, Madagascar”

✓ located verbatim in the source · title, characters 36–75
e0

“a further decrease in trunk density, an increase in the frequency of herbs and woody pioneers, a decrease in the frequency of liana and saplings of primary forest trees in the “shrub layer”, and an increase of vegetation in the “shrub layer” but decrease of vegetation in the “canopy layer”.”

✓ located verbatim in the source · abstract, characters 1452–1743

Title

The Effects of Cyclone Hudah on the Forest of Masoala Peninsula, Madagascar

C Birkinshaw; M Randrianjanahary Madagascar Conservation & Development 2009. doi:10.4314/mcd.v2i1.44125

Other claims from this paper (19)
Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

Liana and primary-forest sapling frequency decreased by 2003.

Taxon
Forestt0
Outcome
frequency of liana and saplings of primary forest treese0
Direction
decreasee0
Setting
Masoala Peninsulat0

Verbatim

t0

“Forest of Masoala Peninsula, Madagascar”

✓ located verbatim in the source · title, characters 36–75
e0

“a further decrease in trunk density, an increase in the frequency of herbs and woody pioneers, a decrease in the frequency of liana and saplings of primary forest trees in the “shrub layer”, and an increase of vegetation in the “shrub layer” but decrease of vegetation in the “canopy layer”.”

✓ located verbatim in the source · abstract, characters 1452–1743

Title

The Effects of Cyclone Hudah on the Forest of Masoala Peninsula, Madagascar

C Birkinshaw; M Randrianjanahary Madagascar Conservation & Development 2009. doi:10.4314/mcd.v2i1.44125

Other claims from this paper (19)
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)
Observationobservedoriginal resultmeasured

Claim · model-written summary

Mean stem density per hectare decreased from flooded forest (445±8 stems/ha) to terra firme forest (351±13 stems/ha).

Taxon
treest0
Outcome
stem density per hectaree0
Direction
decreasee0
Value
445±8 stems/hae0

Verbatim

t0

“Ecological importance of trees”

✓ located verbatim in the source · title, characters 0–30
e0

“the mean values for stem density per hectare decrease from FF (445±8 stems/ha) to TFF (351±13 stems/ha)”

✓ located verbatim in the source · abstract, characters 915–1018

Title

Ecological importance of trees and structure of forest types in the Likouala swamp forest, Republic of Congo

Yannick Enock Bocko; Greta Christina Dargie; Jean Joël Loumeto World Journal of Advanced Research and Reviews 2025. doi:10.30574/wjarr.2025.27.2.2832

Other claims from this paper (7)
Observationobservedoriginal resultmeasured

Claim · model-written summary

Mean stem density fell from 445±8 stems/ha in flooded forest to 351±13 stems/ha in terra firme forest.

Taxon
treest0
Outcome
stem density per hectaree0
Direction
decreasee0
Value
445±8 stems/hae0
Qualifier
351±13 stems/hae0
Comparator
TFFe0
Setting
FFe0

Verbatim

e0

“mean values for stem density per hectare decrease from FF (445±8 stems/ha) to TFF (351±13 stems/ha)”

✓ located verbatim in the source · abstract, characters 919–1018
t0

“trees”

✓ located verbatim in the source · title, characters 25–30

Title

Ecological importance of trees and structure of forest types in the Likouala swamp forest, Republic of Congo

Bocko, Yannick Enock; Dargie, Greta Christina; Loumeto, Jean Joël Zenodo (CERN European Organization for Nuclear Research) 2025. doi:10.5281/zenodo.17733922

Other claims from this paper (7)

Maling bamboo 5

Show all 5 →
Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Seedling density was moderately reduced in Maling plots.

Taxon
Maling bamboot0
Outcome
seedling densitye0
Direction
reducede0
Setting
Maling plotse0

Not reportedComparator

Verbatim

e0

“The sapling species diversity and density were significantly lower in Maling plots, along with moderately reduced seedling density.”

✓ located verbatim in the source · abstract, characters 1105–1236
t0

“Maling bamboo (Yushania maling)”

✓ located verbatim in the source · title, characters 21–52

Title

Relationship between Maling bamboo (Yushania maling) invasion and decrease of plant species diversity in the Eastern Himalayan temperate forest

Upakar Rai; Barkha Rai Environmental and Experimental Biology 2023. doi:10.22364/eeb.21.09

Other claims from this paper (8)
Associationobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Sapling diversity and density were significantly lower in Maling plots.

Taxon
Maling bamboot0
Outcome
sapling species diversity and densitye0
Direction
lowere0
Setting
Maling plotse0

Not reportedComparator

Verbatim

e0

“The sapling species diversity and density were significantly lower in Maling plots, along with moderately reduced seedling density.”

✓ located verbatim in the source · abstract, characters 1105–1236
t0

“Maling bamboo (Yushania maling)”

✓ located verbatim in the source · title, characters 21–52

Title

Relationship between Maling bamboo (Yushania maling) invasion and decrease of plant species diversity in the Eastern Himalayan temperate forest

Upakar Rai; Barkha Rai Environmental and Experimental Biology 2023. doi:10.22364/eeb.21.09

Other claims from this paper (8)
Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Shrub density was elevated in Maling plots.

Taxon
Maling bamboot0
Outcome
shrub densitye0
Direction
elevatede0
Comparator
non‑Maling plotse0
Setting
Maling plotse0

Verbatim

e0

“Significantly lower shrub and herb species diversity were observed in Maling plots, along with elevated shrub density and moderately lower tree density as compared to non‑Maling plots.”

✓ located verbatim in the source · abstract, characters 920–1104
t0

“Maling bamboo (Yushania maling)”

✓ located verbatim in the source · title, characters 21–52

Title

Relationship between Maling bamboo (Yushania maling) invasion and decrease of plant species diversity in the Eastern Himalayan temperate forest

Upakar Rai; Barkha Rai Environmental and Experimental Biology 2023. doi:10.22364/eeb.21.09

Other claims from this paper (8)

mangrove 5

Show all 5 →
Observationobservedoriginal resultmeasured

Claim · model-written summary

Mangrove seedling and sapling density decreased.

Taxon
mangrovee0
Outcome
seedling and sapling densitye0
Direction
decreasee0

Verbatim

e0

“structural mangrove degradation indicated by a decrease in seedling and sapling density and increase in canopy gaps”

✓ located verbatim in the source · abstract, characters 1149–1264

Title

Decadal Changes in Mangrove Extent, Structure, and Anthropogenic Pressures at a Southern Range Limit

Anesu Machite; Janine B. Adams Wetlands 2026. doi:10.1007/s13157-026-02051-w

Other claims from this paper (9)
Observationobservedoriginal resultmeasured

Claim · model-written summary

Mangrove canopy gaps increased.

Taxon
mangrovee0
Outcome
canopy gapse0
Direction
increasee0

Verbatim

e0

“structural mangrove degradation indicated by a decrease in seedling and sapling density and increase in canopy gaps”

✓ located verbatim in the source · abstract, characters 1149–1264

Title

Decadal Changes in Mangrove Extent, Structure, and Anthropogenic Pressures at a Southern Range Limit

Anesu Machite; Janine B. Adams Wetlands 2026. doi:10.1007/s13157-026-02051-w

Other claims from this paper (9)
Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

Mangrove area decreased by 8.28% in 2019.

Taxon
mangrovee0
Outcome
mangrove areae0
Direction
decreasee0
Value
8.28%e0
Qualifier
in 2019e0
Setting
Gresik Regencye0

Verbatim

e0

“the mangrove area in Gresik Regency from 2016 to 2019 increased by 22.09% in 2017, then decreased by 1.74% in 2018 and continued to decrease by 8.28% in 2019.”

✓ located verbatim in the source · abstract, characters 938–1096

Title

Analysis of Changes in Density of Mangrove Using Normalized Difference Vegetation Index Algorithm on Sentinel 2A Level 1C (Case Study: Gresik Regency)

Bangun Muljo Sukojo; Debyana Nur Savitri 2020 IEEE Asia-Pacific Conference on Geoscience, Electronics and Remote Sensing Technology (AGERS) 2020. doi:10.1109/agers51788.2020.9452764

Other claims from this paper (7)

Stewartia shensiensis 5

Show all 5 →
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Tourism disturbance increased soil bulk density.

Taxon
Stewartia shensiensisStewartia sinensis var. shensiensist0
Treatment
tourism disturbancee0
Outcome
bulk densitye0
Direction
increasee0
Setting
Baotianman Nature Reservet0

Not reportedComparator

Verbatim

e0

“tourism disturbance caused the decrease of soil porosity,increase of bulk density”

✓ located verbatim in the source · abstract, characters 134–215
t0

“Stewartia shensiensis Community in Baotianman Nature Reserve”

✓ located verbatim in the source · title, characters 21–81

Title

Impact of Tourism on Stewartia shensiensis Community in Baotianman Nature Reserve

Wu Mingzuo Xibu linye kexue 2009

Other claims from this paper (8)
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Tourism disturbance decreased soil active enzyme content.

Taxon
Stewartia shensiensisStewartia sinensis var. shensiensist0
Treatment
tourism disturbancee1
Outcome
active enzymee0
Direction
decreasee0

Not reportedComparator

Verbatim

e0

“decrease of the contents of organic matter,total nitrogen,total potassium and active enzyme”

✓ located verbatim in the source · abstract, characters 216–307
t0

“Stewartia shensiensis”

✓ located verbatim in the source · title, characters 21–42
e1

“tourism disturbance caused the decrease of soil porosity,increase of bulk density,decrease of the contents of organic matter,total nitrogen,total potassium and active enzyme,increase of phosphorus”

✓ located verbatim in the source · abstract, characters 134–330

Title

Impact of Tourism on Stewartia shensiensis Community in Baotianman Nature Reserve

Wu Mingzuo Xibu linye kexue 2009

Other claims from this paper (8)
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Tourism disturbance decreased soil organic matter, total nitrogen and total potassium contents.

Taxon
Stewartia shensiensisStewartia sinensis var. shensiensist0
Treatment
tourism disturbancee1
Outcome
contents of organic matter,total nitrogen,total potassiume0
Direction
decreasee0

Not reportedComparator

Verbatim

e0

“decrease of the contents of organic matter,total nitrogen,total potassium and active enzyme”

✓ located verbatim in the source · abstract, characters 216–307
t0

“Stewartia shensiensis”

✓ located verbatim in the source · title, characters 21–42
e1

“tourism disturbance caused the decrease of soil porosity,increase of bulk density,decrease of the contents of organic matter,total nitrogen,total potassium and active enzyme,increase of phosphorus”

✓ located verbatim in the source · abstract, characters 134–330

Title

Impact of Tourism on Stewartia shensiensis Community in Baotianman Nature Reserve

Wu Mingzuo Xibu linye kexue 2009

Other claims from this paper (8)

vegetation 5

Show all 5 →
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Management relaxation was associated with a decrease in vegetation density.

Taxon
vegetatione1
Treatment
management relaxatione1
Outcome
vegetation densitye1
Direction
decreasee1

Not reportedComparator

Verbatim

t0

“mountain grasslands”

✓ located verbatim in the source · title, characters 69–88
e1

“A higher butterfly abundance and species richness following management relaxation was mostly driven by a decrease in vegetation density and an increase in forb cover.”

✓ located verbatim in the source · abstract, characters 1208–1374

Title

Relaxation of management intensity promotes butterfly communities in mountain grasslands

Isabelle Arnold; Gaëtan Marchand; Aline Hayoz-Andrey; et al. Biological Conservation 2025. doi:10.1016/j.biocon.2025.111027

Other claims from this paper (2)
Associationobservedoriginal resultmeasured

Claim · model-written summary

Seedling density did not decrease with altitude.

Taxon
vegetationt0
Outcome
densitiese0
Direction
did not decreasee0
Setting
altitudee0

Verbatim

e0

“The densities did not decrease with altitude.”

✓ located verbatim in the source · abstract, characters 665–710
t0

“Characteristics of the seedling flora in alpine vegetation, subarctic Finland, I. Seedling densities in 15 plant communities.”

✓ located verbatim in the source · title, characters 0–125

Title

Characteristics of the seedling flora in alpine vegetation, subarctic Finland, I. Seedling densities in 15 plant communities.

Pirjo Welling; Kari Laine Annales Botanici Fennici 2000

Other claims from this paper (5)
Observationobservedoriginal resultmeasured

Claim · model-written summary

Ungrazed vegetation decreased soil bulk density.

Taxon
Vegetationt0
Outcome
bulk densitye0
Direction
decreasee0

Verbatim

e0

“with a resultant increase in surface soil organic matter and decrease in bulk density”

✓ located verbatim in the source · abstract, characters 1784–1869
t0

“Vegetation”

✓ located verbatim in the source · title, characters 10–20

Title

Trends in Vegetation at Kosciusko. 1. Grazing Trials in the Subalpine Zone, 1957-1971

DJ Wimbush; AB Costin Australian Journal of Botany 1979. doi:10.1071/bt9790741

Other claims from this paper (15)

woody species 5

Show all 5 →
Observationobservedoriginal resultmeasured

Claim · model-written summary

Frequency and density of species decrease with increasing frequency and density classes.

Taxon
woody speciese1
Outcome
frequency and density of speciese5
Direction
decreasee5
Qualifier
with increasing frequency and density classese5

Verbatim

e1

“A total of 52 woody species distributed in 35 families were recorded”

✓ located verbatim in the source · abstract, characters 1242–1310
e5

“frequency and density of species decrease with increasing frequency and density classes”

✓ located verbatim in the source · abstract, characters 1542–1629

Title

Woody Species Composition, Structure, and Regeneration Status of Gosh-Beret Dry Evergreen Forest Patch, South Gondar Zone, Northeast Ethiopia

Getinet Masresha Kassa; Addis Getnet Deribie; Getnet Chekole Walle International Journal of Forestry Research 2023. doi:10.1155/2023/5380034

Other claims from this paper (8)
Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Seed bank seedling density decreased sharply with forest-edge distance.

Taxon
woody speciese1
Outcome
seedling densitye0
Direction
decreasee0
Setting
forest edgee0

Verbatim

e0

“a dramatic decrease in seedling density and species richness with distance from the forest edge”

✓ located verbatim in the source · abstract, characters 1027–1122
t0

“Seed Rain”

✓ located verbatim in the source · title, characters 43–52
e1

“the woody species composition”

✓ located verbatim in the source · abstract, characters 238–267

Title

The Effect of Distance from Forest Edge on Seed Rain and Soil Seed Bank in a Tropical Pasture1

Alejandro Cubiña; T. Mitchell Aide Biotropica 2001. doi:10.1646/0006-3606(2001)033[0260:teodff]2.0.co;2

Other claims from this paper (9)
Associationobservedoriginal resultmeasured

Claim · model-written summary

Seed bank seedling density and species richness fell sharply with distance from the forest edge.

Taxon
woody speciese1
Outcome
seedling density and species richnesse0
Direction
dramatic decreasee0
Setting
forest edgee0

Verbatim

e0

“a dramatic decrease in seedling density and species richness with distance from the forest edge”

✓ located verbatim in the source · abstract, characters 1027–1122
e1

“woody species composition of the seed rain and soil seed bank”

✓ located verbatim in the source · abstract, characters 242–303

Title

The Effect of Distance from Forest Edge on Seed Rain and Soil Seed Bank in a Tropical Pasture

Alejandro Cubiina 2016

Other claims from this paper (8)

Lexical search (BM25). All words must match; if nothing does, any word. Organism names also match every spelling of the same organism. No semantic search yet.