Claim · model-written summary
Community photosynthesis declined from upper to basal layers.
Not reportedTaxonMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleTreatmentComparatorSettingValueQualifier
Verbatim
e0“In the upper part of the community the photosynthetic rate was high, while it became lower toward the basal part”
Title
Ecological Studies on the Productivity of Aquatic Plant Communities I.
Isao IKUSIMA Shokubutsugaku Zasshi 1965. doi:10.15281/jplantres1887.78.202
Other claims from this paper (13)
- Observation Hydrilla attained maximum photosynthesis of 38mg O2/g dry weight/hr in August.
- Observation Most species usually had photosynthesis of 5-10mg O2/g/hr in summer.
- Observation Aquatic macrophyte photosynthetic activity was 1/2 to 1/10 of land plants on a leaf-area basis.
- Observation Hydrilla turions had lower metabolic rates than vegetative shoots.
- Observation Ceratophyllum turions had lower metabolic rates than vegetative shoots.
- Observation Aquatic communities had two profile structure types.
- Observation Vallisneria formed the linear-leaved grass type of community.
- Observation Potamogeton illustrated the herb type of community.
- Observation Community respiration was fairly constant with depth.
- Observation Early Vallisneria community net production was -0.59g dry matter/m2/day in June.
- Observation Developed Potamogeton community produced 0.50g dry matter/m2/day in May.
- Observation Vallisneria gross production was 0.66g dry matter/m2/day.
- Observation Potamogeton gross production was 2.39g dry matter/m2/day.