Site Assessment of Epiphytic Habitats Using Lichen Indices
Rose  established that deciduous woodlands in lowland Britain which have retained some degree of long-term ecological continuity support significant lichen assemblages which are absent or poorly represented in woods where disruption to ecological continuity has occurred to a greater or lesser degree. He concluded that these species represent a “relict flora” and developed the concept of their use as “Indicator species” for grading woodlands on a scale of increasing or decreasing levels of past disturbance. This approach is presented here in a revised version.
KeywordsIndicator Species Documentary Evidence Deciduous Woodland Conservation Interest Lichen Community
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