Claim · model-written summary
Lack of or small crown transparency was found for 30% of living yew trees.
- Taxon
- European yew (Taxus baccata L.)
Taxus baccatae0 - Outcome
- Lack of or small crown transparencye1
- Value
- 30%e1
- Qualifier
- of life yew treese1
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleTreatmentComparatorSettingDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the structure (sex, height, diameter) and vitality of European yew (Taxus baccata L.) population”
e1“Lack of or small crown transparency was found for 30% of life yew trees”
Title
Struktura populacji i kondycja zdrowotna cisa pospolitego w rezerwacie „Cisy nad Liswartą”
Hylla, Waldemar; Dobrowolska, Dorota Polskie Towarzystwo Leśne 2015. doi:10.26202/sylwan.2014063
Other claims from this paper (16)
- Observation The yew population in the reserve comprised 466 life and dead specimens taller than 0.5 m.
- Observation Female individuals numbered 142 (30%) of the yew population.
- Observation Male individuals numbered 116 (25%) of the yew population.
- Observation Most of the yew population grew in dense stands (stand density index 0.5–0.7).
- Observation High crown transparency was found for 11% of the yew population.
- Observation Damage caused by game, especially deer, older than 10 years was found on 42% of living yew trees.
- Observation Seedlings occurred under the canopy of 47 mature trees, 10% of the population.
- Observation Natural regeneration of yew was found on 11 of the 15 relevés.
- Observation Five relevés had a small number of yew seedlings.
- Observation The greatest number of seedlings in one relevé was 200 individuals.
- Association The number of yews taller than 0.5 m decreased compared with previous surveys.
- Observation Female and male yew trees occur in the reserve, so generative breeding is possible.
- Observation The health condition of the analysed yew population is moderate.
- Observation Survival of yew seedlings showed problems.
- Recommendation Cutting some competitors to give more light for natural regeneration is recommended as a special treatment.
- Recommendation Fencing the greater number of yew seedlings is recommended as a special treatment.