Abstract
Abstract. We analysed the influence of fire on species composition, floristic diversity and indicator values of the vegetation in forests of the Canton Ticino (South Switzerland). Both frequency of fire and time since last fire were taken into account using variance analysis. Results show a strong interaction of these two parameters, i.e. the reaction of the vegetation after a fire depends on the frequency of past fires. A rapid recovery is generally observed after fire, involving both herbaceous and woody species. However, a long‐term tendency towards floristic and edaphic impoverishment is observed with increasing frequency of fires. This phenomenon appears to be linked to the progressive dominance of a few fire‐tolerant species.
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Claims 4
Claim · model-written summary
Vegetation response after fire depended on past fire frequency.
Not reportedDirection
Verbatim
e0“the reaction of the vegetation after a fire depends on the frequency of past fires”
Claim · model-written summary
Herbaceous and woody species generally recovered rapidly after fire.
Verbatim
e0“A rapid recovery is generally observed after fire, involving both herbaceous and woody species”
Claim · model-written summary
Increasing fire frequency was associated with long-term floristic and edaphic impoverishment.
Verbatim
e0“a long‐term tendency towards floristic and edaphic impoverishment is observed with increasing frequency of fires”
Claim · model-written summary
The impoverishment appeared linked to dominance by a few fire-tolerant species.
Verbatim
e0“This phenomenon appears to be linked to the progressive dominance of a few fire‐tolerant species”