Increasing loss of mature boreal forests around protected areas with red-listed forest species

作     者：Aino-Maija M??tt?nen Raimo Virkkala Niko Leikola Risto K.Heikkinen 

作者机构：Biodiversity Centre Finnish Environment Institute 

出 版 物：《Ecological Processes》 (生态过程(英文))

年 卷 期：2022年第1期

页      面：230-242页

学科分类：09[农学] 0903[农学-农业资源与环境] 

基　　金：supported by funding provided by the Finnish Ministry of the Environment (Evaluating the protected area network in the changing climate, SUMI, and the Finnish Ecosystem Observatory, FEO) the Strategic Research Council (SRC) at the Academy of Finland (Decision No 312559) 

摘      要：Background:Protected areas(PA) are central to biodiversity,but their efficiency is challenged by human-induced habitat loss and *** the Fennoscandian boreal region,forestry with clearcutting is a threat to biodiversity causing the loss of mature forest elements and deterioration of ecological processes in forest landscapes,ultimately affecting PAs via declined structural *** paper aims to(1) determine PAs with high,red-listed species concentrations;(2) estimate the change in forest habitat around these PAs on different spatial scales;and(3)determine if forest management intensity is higher around biologically most valuable *** of red-listed forest-dwelling species in Finland were used to identify PAs harbouring these species and to produce site-specific importance *** landcover data was used as a baseline for the distribution of forests to assess the cover of clear-cuttings from 2001 to 2019 with the Global Forest Change(GFC) data set in three buffer areas around the PAs with occurrences of red-listed ***:The largest proportion of clear-cuts occurred in 1 km and 10 km buffers around the PAs in the southern and middle boreal zones,being ca.20%.This indicates that the forest habitat is degrading fast at regional and landscape *** the positive side,the change in forest cover was lower around the biologically most important PAs compared to other PAs with red-listed ***:Open and free satellite-data based assessments of the cover and change of forests provide reliable estimates about the rates at which mature and old-growth forests are being converted into young managed ones in Finland mainly via clear-cuts on different scales around *** rate of clear-cuts was lowest in adjacent buffer areas next to the most species-rich PAs,which provides opportunities for biodiversity conservation efforts to be targeted to the remaining mature and old-growth forests found in the vicinity of these are