The effect of fire history on flowering landscape of native rhododendrons

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  • 山火事の履歴が野生ツツジ類二種の開花景観に与える影響
  • ヤマカジ ノ リレキ ガ ヤセイ ツツジルイ ニシュ ノ カイカ ケイカン ニ アタエル エイキョウ

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This study sought to clarify the effect of fire history on the current environment and flowering landscape of rhododendrons using three landscape ecological indices. The fire history was grouped by the frequency of fires and the number of years since the last fire. It was found that changes in the flowering landscape depend on fire frequency. When a fire happened only once, the native rhododendron cover increased and the shape became simpler because the growth of shrubs other than native rhododendrons was inhibited. When fires happened twice, these indices did not change because the shrub cover other than native rhododendrons grew and effected the growth of native rhododendrons. The size of patches did not differ with the fire history.

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