By organism › Green plants › Oleaceae › Fraxinus nigra

Observationobservedoriginal resultmeasured

Claim · model-written summary

Black ash diameter distributions were proportionally smaller in the central section.

Taxon: black ashFraxinus nigrae0
Outcome: diameter distributionse0
Direction: proportionally smallere0
Comparator: 2010e0
Setting: central sectione0

Verbatim

e0
“diameter distributions of black ash in the central section and trembling aspen in the central and east sections of the island were proportionally smaller (indicative of more small individuals) in 2019 than in 2010.”
✓ located verbatim in the source · abstract, characters 1085–1299

Title

Woody species response to altered herbivore pressure at Isle Royale National Park

Suzanne Sanders; Jessica Kirschbaum Ecosphere 2023. doi:10.1002/ecs2.4623

Other claims from this paper (8)

Observation Large sugar maple saplings declined.
Observation Small sugar maple, paper birch and trembling aspen saplings declined.
Observation Black spruce and white spruce diameter distributions were proportionally larger in 2019.
Observation Trembling aspen diameter distributions were proportionally smaller in central and east sections.
Observation About half of common shrub taxa became more abundant and none declined.
Observation Trembling aspen partly recovered.
Mechanism Black ash response may stem from increased beaver activity.
Mechanism Spruce response may be attributable to high snowshoe hare density.

Mechanismhypothesisoriginal resultmeasured

Claim · model-written summary

Black ash response may stem from increased beaver activity.

Taxon: black ashFraxinus nigrae0
Interactor: beavere0herbivore
Outcome: response of black ashe0
Qualifier: sixfold increase in active beaver sitese0

Verbatim

e0
“The response of black ash, a hydric species, may be stemming from a sixfold increase in active beaver sites”
✓ located verbatim in the source · abstract, characters 1687–1794

Title

Woody species response to altered herbivore pressure at Isle Royale National Park

Suzanne Sanders; Jessica Kirschbaum Ecosphere 2023. doi:10.1002/ecs2.4623

Other claims from this paper (8)

Observation Large sugar maple saplings declined.
Observation Small sugar maple, paper birch and trembling aspen saplings declined.
Observation Black spruce and white spruce diameter distributions were proportionally larger in 2019.
Observation Black ash diameter distributions were proportionally smaller in the central section.
Observation Trembling aspen diameter distributions were proportionally smaller in central and east sections.
Observation About half of common shrub taxa became more abundant and none declined.
Observation Trembling aspen partly recovered.
Mechanism Spruce response may be attributable to high snowshoe hare density.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Shared fungal sequences included arbuscular mycorrhizal fungi.

Taxon: Fraxinus nigraFraxinus nigrat0
Interactor: ClaroideoglomusEntrophosporae0symbiont
Outcome: arbuscular mycorrhizal fungie0

Verbatim

e0
“among them arbuscular mycorrhizal fungi ( Claroideoglomus, Dominikia, Glomus and Rhizophagus )”
✓ located verbatim in the source · abstract, characters 697–791

t0
“Fraxinus nigra”
✓ located verbatim in the source · title, characters 81–95

Title

Multiple Fungi May Connect the Roots of an Orchid (Cypripedium reginae) and Ash (Fraxinus nigra) in Western Newfoundland

Nimalka M. Weerasuriya; Katarina Kukolj; Rebecca Spencer; et al. Frontiers in Fungal Biology 2022. doi:10.3389/ffunb.2022.805127

Other claims from this paper (3)

Observation Sixty-six fungal sequences were shared by sterilized orchid and ash roots.
Observation Shared fungal sequences included ectomycorrhizal fungi.
Observation Shared fungal sequences included root pathogens.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Shared fungal sequences included ectomycorrhizal fungi.

Taxon: Fraxinus nigraFraxinus nigrat0
Interactor: InocybeInocybee0symbiont
Outcome: ectomycorrhizal fungie0

Verbatim

e0
“ectomycorrhizal fungi ( Inocybe and Tomentella )”
✓ located verbatim in the source · abstract, characters 793–841

t0
“Fraxinus nigra”
✓ located verbatim in the source · title, characters 81–95

Title

Multiple Fungi May Connect the Roots of an Orchid (Cypripedium reginae) and Ash (Fraxinus nigra) in Western Newfoundland

Nimalka M. Weerasuriya; Katarina Kukolj; Rebecca Spencer; et al. Frontiers in Fungal Biology 2022. doi:10.3389/ffunb.2022.805127

Other claims from this paper (3)

Observation Sixty-six fungal sequences were shared by sterilized orchid and ash roots.
Observation Shared fungal sequences included arbuscular mycorrhizal fungi.
Observation Shared fungal sequences included root pathogens.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Shared fungal sequences included root pathogens.

Taxon: Fraxinus nigraFraxinus nigrat0
Interactor: DactylonectriaDactylonectriae0pathogen
Outcome: root pathogense0

Verbatim

e0
“root pathogens ( Dactylonectria, Ilyonectria, Pyricularia , and Xylomyces )”
✓ located verbatim in the source · abstract, characters 908–983

t0
“Fraxinus nigra”
✓ located verbatim in the source · title, characters 81–95

Title

Multiple Fungi May Connect the Roots of an Orchid (Cypripedium reginae) and Ash (Fraxinus nigra) in Western Newfoundland

Nimalka M. Weerasuriya; Katarina Kukolj; Rebecca Spencer; et al. Frontiers in Fungal Biology 2022. doi:10.3389/ffunb.2022.805127

Other claims from this paper (3)

Observation Sixty-six fungal sequences were shared by sterilized orchid and ash roots.
Observation Shared fungal sequences included arbuscular mycorrhizal fungi.
Observation Shared fungal sequences included ectomycorrhizal fungi.

Mechanismauthor interpretationoriginal resultpositivemeasured

Claim · model-written summary

The authors proposed that black ash nutrient imbalance explains shorter EAB longevity.

Taxon: black ashFraxinus nigrae0
Interactor: EAB adultse0pestt0
Compound: total nitrogen/total non-structural carbohydrate ratioe0
Outcome: longevity of EAB adultse0
Qualifier: probably relatede0

Verbatim

e0
“greater longevity of EAB adults on green and white ash compared to black ash was probably related to unbalanced nutrients (total nitrogen/total non-structural carbohydrate ratio) of black ash”
✓ located verbatim in the source · abstract, characters 1138–1329

t0
“Emerald Ash Borer”
✓ located verbatim in the source · title, characters 126–143

Title

Nutritional and Defensive Chemistry of Three North American Ash Species: Possible Roles in Host Performance and Preference by Emerald Ash Borer Adults

Yigen Chen; Therese M Poland The Great Lakes Entomologist 2018. doi:10.22543/0090-0222.2207

Other claims from this paper (9)

Observationobservedoriginal resultmeasured

Claim · model-written summary

The tree stratum of Abes Run wetland was dominated by Fraxinus nigra with Abies balsamea, Picea rubens and Betula alleghaniensis.

Taxon: Fraxinus nigraFraxinus nigrae5
Outcome: tree stratume5
Qualifier: Abies balsamea (Balsam Fir), Picea rubens (Red Spruce), and Betula alleghaniensis (Yellow Birch)e5

Verbatim

e5
“The tree stratum was well-developed, although discontinuous, and was dominated by mixtures of Fraxinus nigra (Black Ash), Abies balsamea (Balsam Fir), Picea rubens (Red Spruce), and Betula alleghaniensis (Yellow Birch)”
✓ located verbatim in the source · abstract, characters 976–1194

Title

Plant Communities of Abes Run Wetland, Canaan Valley State Park, West Virginia

James S. Rentch; Ronald H. Fortney; James T. Anderson; et al. Southeastern Naturalist 2015. doi:10.1656/058.014.sp714

Other claims from this paper (8)

Observationobservedoriginal resultmeasured

Claim · model-written summary

Mixed conifer-Fraxinus nigra bog-forests in limestone-influenced wetlands of the Valley are rare

Taxon: Fraxinus nigraFraxinus nigrae0
Outcome: raree0
Setting: limestone-influenced wetlandse0

Verbatim

e0
“Virtually all of the communities associated with the Valley's extensive cold peatlands are rare, including (1) mixed conifer swamp-forests of Picea rubens (Red Spruce), Abies balsamea (Balsam Fir), and Tsuga canadensis (Eastern Hemlock), (2) mixed conifer-Fraxinus nigra (Black Ash) bog-forests in limestone-influenced wetlands in the central and southern parts of the Valley, and (3) extensive Sphagnum and Polytrichum …” Show full quote
✓ located verbatim in the source · abstract, characters 540–1015

Title

Rare Plant Communities in Canaan Valley, West Virginia

Ronald H. Fortney; Steven L. Stephenson; James S. Rentch Southeastern Naturalist 2015. doi:10.1656/058.014.sp713

Other claims from this paper (9)

Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

Larval density on F. nigra was highest at 235.9 ± 36.41 per m(2).

Taxon: F. nigraFraxinus nigrae0
Interactor: A. planipennisAgrilus planipennise1pest
Outcome: larval density (per m(2))e0
Direction: higheste0
Value: 235.9 ± 36.41e0

Verbatim

e0
“larval density (per m(2)) was highest on F. nigra (235.9 ± 36.41) and F. pennsylvanica (220.1 ± 39.77), intermediate on F. americana (40.7 ± 11.61), and lowest on F. quadrangulata and F. mandshurica (2.0 ± 0.98 and 1.5 ± 0.67, respectively).”
✓ located verbatim in the source · abstract, characters 1318–1559

e1
“In 2011, when trees were exposed to wild A. planipennis”
✓ located verbatim in the source · abstract, characters 1261–1316

Title

Host Resistance of Five Fraxinus Species to Agrilus planipennis (Coleoptera: Buprestidae) and Effects of Paclobutrazol and Fertilization

S. R. Tanis; D. G. Mccullough Environmental Entomology 2015. doi:10.1093/ee/nvu005

Other claims from this paper (19)

Observation Species differences overshadowed most treatment effects.
Observation In 2010 beetle survival over 14 days was 53% on F. nigra.
Observation In 2010 beetle survival was 30-32% on F. americana.
Observation In 2010 beetle survival was 30-32% on F. pennsylvanica.
Observation In 2010 beetle survival was 30-32% on F. mandshurica.
Observation In 2010 survival was only 14% on F. quadrangulata.
Observation In 2011 survival on F. quadrangulata was 33%, lower than on F. americana or F. mandshurica.
Observation In 2011 beetle survival on F. americana was 72%.
Observation In 2011 beetle survival on F. mandshurica was 80%.
Observation Leaf weight consumed was the same among ash species in both years.
Observation Beetles on F. quadrangulata consumed less leaf area than on other ash species.
Observation Larval density on F. pennsylvanica was highest at 220.1 ± 39.77 per m(2).
Observation Larval density on F. americana was intermediate at 40.7 ± 11.61 per m(2).
Observation Larval density on F. quadrangulata was lowest at 2.0 ± 0.98 per m(2).
Observation Larval density on F. mandshurica was lowest at 1.5 ± 0.67 per m(2).
Observation F. quadrangulata was relatively resistant to A. planipennis.
Observation F. mandshurica was relatively resistant to A. planipennis.
Observation F. nigra and F. pennsylvanica were highly vulnerable to A. planipennis.
Observation F. americana had intermediate resistance.

Observationauthor interpretationoriginal resultnegativemeasured

Claim · model-written summary

F. nigra and F. pennsylvanica were highly vulnerable to A. planipennis.

Taxon: F. nigra and F. pennsylvanicaFraxinus nigraFraxinus pennsylvanicae0
Interactor: A. planipennisAgrilus planipennise0pest
Outcome: highly vulnerablee0

Not reportedDirection

Verbatim

e0
“Results indicate F. quadrangulata and F. mandshurica were relatively resistant to A. planipennis, F. nigra and F. pennsylvanica were highly vulnerable, and F. americana was intermediate.”
✓ located verbatim in the source · abstract, characters 1560–1746

Title

Host Resistance of Five Fraxinus Species to Agrilus planipennis (Coleoptera: Buprestidae) and Effects of Paclobutrazol and Fertilization

S. R. Tanis; D. G. Mccullough Environmental Entomology 2015. doi:10.1093/ee/nvu005

Other claims from this paper (19)

Observation Species differences overshadowed most treatment effects.
Observation In 2010 beetle survival over 14 days was 53% on F. nigra.
Observation In 2010 beetle survival was 30-32% on F. americana.
Observation In 2010 beetle survival was 30-32% on F. pennsylvanica.
Observation In 2010 beetle survival was 30-32% on F. mandshurica.
Observation In 2010 survival was only 14% on F. quadrangulata.
Observation In 2011 survival on F. quadrangulata was 33%, lower than on F. americana or F. mandshurica.
Observation In 2011 beetle survival on F. americana was 72%.
Observation In 2011 beetle survival on F. mandshurica was 80%.
Observation Leaf weight consumed was the same among ash species in both years.
Observation Beetles on F. quadrangulata consumed less leaf area than on other ash species.
Observation Larval density on F. nigra was highest at 235.9 ± 36.41 per m(2).
Observation Larval density on F. pennsylvanica was highest at 220.1 ± 39.77 per m(2).
Observation Larval density on F. americana was intermediate at 40.7 ± 11.61 per m(2).
Observation Larval density on F. quadrangulata was lowest at 2.0 ± 0.98 per m(2).
Observation Larval density on F. mandshurica was lowest at 1.5 ± 0.67 per m(2).
Observation F. quadrangulata was relatively resistant to A. planipennis.
Observation F. mandshurica was relatively resistant to A. planipennis.
Observation F. americana had intermediate resistance.

Fraxinus nigra 50 claims

50 claims