By interacting organism › Plants › Hydrocharitaceae

Associationobservedoriginal resultmeasured

Claim · model-written summary

The Vallisneria to Hydrilla biomass ratio increased with water depth.

Taxon: Vallisneria natansVallisneria natanse1
Treatment: increasing water depthe0
Interactor: H. verticillataHydrilla verticillatae0other
Outcome: ratio of biomass of V. natans to H. verticillatae0
Direction: increasede0

Verbatim

e0
“ratio of biomass of V. natans to H. verticillata gradually increased with increasing water depth”
✓ located verbatim in the source · abstract, characters 855–951

e1
“Vallisneria natans”
✓ located verbatim in the source · abstract, characters 136–154

Title

Effects of Water Depth on the Growth of the Submerged Macrophytes Vallisneria natans and Hydrilla verticillata: Implications for Water Level Management

Qisheng Li; Yanqing Han; Kunquan Chen; et al. Water 2021. doi:10.3390/w13182590

Other claims from this paper (9)

Intervention effect Deep water suppressed growth of Vallisneria natans compared with shallow water.
Intervention effect Deep water suppressed growth of Hydrilla verticillata compared with shallow water.
Intervention effect Intermediate depth inhibited Vallisneria natans growth.
Intervention effect Deep water enhanced the competitive advantage of Vallisneria over Hydrilla.
Association Hydrilla height increased with water depth.
Association Hydrilla plant numbers fell with greater water depth.
Association Vallisneria showed a similar height increase from 50 to 150 cm depth.
Intervention effect At 250 cm, Vallisneria height and plant number were reduced.
Recommendation Lower water levels could increase total submerged macrophyte biomass during lake restoration.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Deep water enhanced the competitive advantage of Vallisneria over Hydrilla.

Taxon: Vallisneria natansVallisneria natanse1
Treatment: deep watere0
Interactor: H.verticillataHydrilla verticillatae0other
Outcome: competitive advantage of V. natans over H.verticillatae0
Direction: enhancede0

Not reportedComparator

Verbatim

e0
“deep water enhanced the competitive advantage of V. natans over H.verticillata”
✓ located verbatim in the source · abstract, characters 969–1047

e1
“Vallisneria natans”
✓ located verbatim in the source · abstract, characters 136–154

Title

Effects of Water Depth on the Growth of the Submerged Macrophytes Vallisneria natans and Hydrilla verticillata: Implications for Water Level Management

Qisheng Li; Yanqing Han; Kunquan Chen; et al. Water 2021. doi:10.3390/w13182590

Other claims from this paper (9)

Intervention effect Deep water suppressed growth of Vallisneria natans compared with shallow water.
Intervention effect Deep water suppressed growth of Hydrilla verticillata compared with shallow water.
Intervention effect Intermediate depth inhibited Vallisneria natans growth.
Association The Vallisneria to Hydrilla biomass ratio increased with water depth.
Association Hydrilla height increased with water depth.
Association Hydrilla plant numbers fell with greater water depth.
Association Vallisneria showed a similar height increase from 50 to 150 cm depth.
Intervention effect At 250 cm, Vallisneria height and plant number were reduced.
Recommendation Lower water levels could increase total submerged macrophyte biomass during lake restoration.

Observationobservedoriginal resultno effectmeasured

Claim · model-written summary

C. caroliniana did not have higher total dry mass, shoot/root ratio, or growth rate than H. verticillata.

Taxon: C. carolinianaCabomba carolinianae0
Interactor: H. verticillataHydrilla verticillatae0other
Outcome: total dry mass, S/R ratio and RGRe0
Direction: did not show more advantageous traitse0
Comparator: H. verticillatae0

Verbatim

e0
“C. caroliniana did not show more advantageous traits (higher total dry mass, S/R ratio and RGR) or have a lower ln RR than H. verticillata or M. spicatum .”
✓ located verbatim in the source · abstract, characters 639–794

Title

Plant morphological traits and competition index comparisons of three invasive and native submerged plants

Xiaolong Huang; Jinlei Yu; Shuailing Liu; et al. Knowledge and Management of Aquatic Ecosystems 2021. doi:10.1051/kmae/2021012

Other claims from this paper (3)

Observationobservedoriginal resultno effectmeasured

Claim · model-written summary

C. caroliniana did not have a lower competition index than H. verticillata.

Taxon: C. carolinianaCabomba carolinianae0
Interactor: H. verticillataHydrilla verticillatae0other
Outcome: ln RRe0
Direction: did not showe0
Comparator: H. verticillatae0

Verbatim

e0
“C. caroliniana did not show more advantageous traits (higher total dry mass, S/R ratio and RGR) or have a lower ln RR than H. verticillata or M. spicatum .”
✓ located verbatim in the source · abstract, characters 639–794

Title

Plant morphological traits and competition index comparisons of three invasive and native submerged plants

Xiaolong Huang; Jinlei Yu; Shuailing Liu; et al. Knowledge and Management of Aquatic Ecosystems 2021. doi:10.1051/kmae/2021012

Other claims from this paper (3)

Associationauthor interpretationoriginal resultmeasured

Claim · model-written summary

High local Hydrilla verticillata representation was inferred to limit Elodea distribution.

Taxon: Elodea canadensisElodea canadensist0
Interactor: Hydrilla verticillataHydrilla verticillatae0other
Outcome: growth of elodeae0

Not reportedDirection

Verbatim

t0
“Elodea canadensis”
✓ located verbatim in the source · title, characters 4–21

e0
“a high representation of the local species Hydrilla verticillata in the water bodies, which are potentially suitable for the growth of elodea”
✓ located verbatim in the source · abstract, characters 1116–1257

Title

The Elodea canadensis Michx. records in Novosibirsk Region (Russia)

L. M. Kipriyanova; A. N. Efremov; A. V. Kotovshchikov; et al. Russian Journal of Biological Invasions 2019. doi:10.1134/s2075111719030068

Other claims from this paper (6)

Mechanismhypothesisoriginal resultnegativemeasured

Claim · model-written summary

Community development dominated by Stratiotes aloides and Nymphaea sp. may have caused T. natans decline.

Taxon: T. natansTrapa natanse0
Interactor: Stratiotes aloidesStratiotes aloidese0other
Second interactor: Nymphaea sp.Nymphaeae0other
Outcome: declinee0
Qualifier: changes and development of other plant communitiese0

Verbatim

e0
“The decline of T. natans could have resulted from the changes and development of other plant communities where the dominant role was played by Stratiotes aloides and Nymphaea sp.”
✓ located verbatim in the source · abstract, characters 862–1040

Title

The late Holocene decline of Trapa natans L. in Northern Poland in the light of new palaeobotanical and geochemical data

Agnieszka Lewandowska; Przemysław Niedzielski; Mariusz Gałka Limnological Review 2019. doi:10.2478/limre-2019-0007

Other claims from this paper (6)

Associationobservedoriginal resultmeasured

Claim · model-written summary

With clear water, colonization in deep ponds occurred only when Stratiotes was present.

Taxon: plant speciest0
Interactor: StratiotesStratiotese0other
Outcome: colonizatione0
Direction: only ife0
Setting: deep pondse0

Verbatim

e0
“Whenever the water was clear, colonization was higher in shallow ponds, and in deep ponds only if Stratiotes was present.”
✓ located verbatim in the source · abstract, characters 1145–1266

t0
“plant species that colonize open water”
✓ located verbatim in the source · abstract, characters 118–156

Title

Multiple effects of land-use changes impede the colonization of open water in fen ponds

Judith M. Sarneel; Merel B. Soons; Jeroen J.M. Geurts; et al. Journal of Vegetation Science 2011. doi:10.1111/j.1654-1103.2011.01281.x

Other claims from this paper (8)

Association Plants expanded farther into open water in older ponds and areas with lower muskrat density.
Association Bank vegetation richness was higher in older ponds and areas with lower muskrat density.
Association High local turbidity hampered colonization.
Association With clear water, shallow ponds had higher colonization.
Association Plant species richness correlated negatively with soil nutrient availability.
Association Plant species richness correlated positively with hydrological isolation.
Association Plant species richness was higher on sheltered banks.
Observation Colonization often failed despite propagule sources or high connectivity.

Mechanismhypothesisoriginal resultmeasured

Claim · model-written summary

The authors hypothesized that an E. nuttallii canopy shades E. canadensis and helps explain field success under eutrophic conditions.

Taxon: E. nuttalliiElodea nuttalliie0
Interactor: E. canadensisElodea canadensise0other
Outcome: success of E. nuttalliie0
Qualifier: the formation of a canopy of E. nuttallii shading E. canadensise0

Verbatim

e0
“the formation of a canopy of E. nuttallii shading E. canadensis is a key factor in explaining the success of E. nuttallii in the field particularly under eutrophic conditions”
✓ located verbatim in the source · abstract, characters 590–764

Title

Growth of Elodea canadensis and Elodea nuttallii in monocultures and mixture under different light and nutrient conditions

Marie-Hélène Barrat-Segretain Archiv für Hydrobiologie 2004. doi:10.1127/0003-9136/2004/0161-0133

Other claims from this paper (5)

Association E. nuttallii grew better than E. canadensis in every tested condition.
Intervention effect Reduced light intensity affected growth of E. canadensis.
Intervention effect Reduced light intensity did not affect growth of E. nuttallii.
Intervention effect Increased water phosphate did not affect stem elongation of Elodea species.
Intervention effect Increased water phosphate increased dry-weight growth rate of E. nuttallii.

Associationobservedoriginal resultmeasured

Claim · model-written summary

Cabomba dominance was negatively correlated with H. verticillata.

Taxon: CabombaCabombae0
Interactor: H. verticillataHydrilla verticillatae0other
Outcome: dominance of Cabombae0
Direction: negatively correlatede0

Verbatim

e0
“The dominance of Cabomba was negatively correlated with H. verticillata and V. natans”
✓ located verbatim in the source · abstract, characters 2325–2410

Title

BASIC CHARACTERISTICS OF SUBMERGED PLANT COMMUNITIES INVADED BY CABOMBA CAROLINIANA AND ITS HABITAT IN CHINA

Yu Ming Acta Phytoecologica Sinica 2004

Other claims from this paper (14)

Observation Cabomba was widespread in the Changjiang River Delta and dominant in many communities.
Observation Cabomba invaded slow flowing waters with silt substrates, especially nutrient rich waters.
Observation Suitable water depth for Cabomba was 0.4-1.2 m.
Observation Cabomba was dominant or codominant in most investigated communities.
Association Cabomba dominance was negatively correlated with total species richness.
Association Cabomba biomass correlated positively with water transparency.
Association Cabomba biomass was negatively related to dissolved oxygen.
Association Cabomba dominance was negatively related to dissolved oxygen.
Observation Spatz similarity coefficients were mostly 15%-40% among 19 communities.
Observation Ceratophyllum demersum, Hydrilla verticillata and Vallisneria natans were main codominants.
Association Cabomba dominance was negatively correlated with V. natans.
Mechanism Cabomba spread rapidly via adaptation and vegetative spread.
Observation Communities dominated by three native species were considered easily invasible by Cabomba.
Recommendation The authors call for research to control Cabomba spread in China.

Associationobservedoriginal resultmeasured

Claim · model-written summary

Cabomba dominance was negatively correlated with V. natans.

Taxon: CabombaCabombae0
Interactor: V. natansVallisneria natanse0other
Outcome: dominance of Cabombae0
Direction: negatively correlatede0

Verbatim

e0
“The dominance of Cabomba was negatively correlated with H. verticillata and V. natans”
✓ located verbatim in the source · abstract, characters 2325–2410

Title

BASIC CHARACTERISTICS OF SUBMERGED PLANT COMMUNITIES INVADED BY CABOMBA CAROLINIANA AND ITS HABITAT IN CHINA

Yu Ming Acta Phytoecologica Sinica 2004

Other claims from this paper (14)

Observation Cabomba was widespread in the Changjiang River Delta and dominant in many communities.
Observation Cabomba invaded slow flowing waters with silt substrates, especially nutrient rich waters.
Observation Suitable water depth for Cabomba was 0.4-1.2 m.
Observation Cabomba was dominant or codominant in most investigated communities.
Association Cabomba dominance was negatively correlated with total species richness.
Association Cabomba biomass correlated positively with water transparency.
Association Cabomba biomass was negatively related to dissolved oxygen.
Association Cabomba dominance was negatively related to dissolved oxygen.
Observation Spatz similarity coefficients were mostly 15%-40% among 19 communities.
Observation Ceratophyllum demersum, Hydrilla verticillata and Vallisneria natans were main codominants.
Association Cabomba dominance was negatively correlated with H. verticillata.
Mechanism Cabomba spread rapidly via adaptation and vegetative spread.
Observation Communities dominated by three native species were considered easily invasible by Cabomba.
Recommendation The authors call for research to control Cabomba spread in China.

Hydrocharitaceae 15 claims

15 claims