Restoring heathlands after afforestation on two islands in western Norway

نویسندگان

چکیده

The ongoing loss of red-listed coastal heathlands is a threat to biodiversity and cultural heritage legacies throughout the Atlantic regions Europe. It possible restore degraded afforested heathlands, but restoration interventions are often labour-intensive costly, outcome specific actions not well documented. We assess efficiency restoring through natural succession (i.e. ‘passive restoration') after removal Sitka spruce Picea sitchensis (Bong.) Carr. plantations. study was replicated on two neighbouring islands in nature reserve Western Norway. Low-intensity free-range sheep grazing implemented as part management plan. Furthermore, we tested effect leaving clear-felled woody material chips site, this being cost-efficient strategy islands. Succession monitored 1, 2, 4/5 8 years clear-felling, revegetation vascular plants bryophytes compared target heathland vegetation. Surprisingly, found different successional trajectories Species composition one island approached vegetation during succession, other. Wood reduced species richness slowed process, these negative effects were only short-term (<8 years). Differences seed bank soil conditions due land use may explain deviating also that beyond clear-felling introducing necessary rapid regeneration spruce.

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ژورنال

عنوان ژورنال: Nordic Journal of Botany

سال: 2023

ISSN: ['1756-1051', '0107-055X']

DOI: https://doi.org/10.1111/njb.03971