NDLI: Disturbance and climate microrefugia mediate tree range shifts during climate change

Content Provider	Springer Nature Link
Author	Serra Diaz, Josep M. Scheller, Robert M. Syphard, Alexandra D. Franklin, Janet
Copyright Year	2015
Abstract	Many tree species will shift their distribution as the climate continues to change. To assess species’ range changes, modeling efforts often rely on climatic predictors, sometimes incorporating biotic interactions (e.g. competition or facilitation), but without integrating topographic complexity or the dynamics of disturbance and forest succession.We investigated the role of ‘safe islands’ of establishment (“microrefugia”) in conjunction with disturbance and succession, on mediating range shifts.We simulated eight tree species and multiple disturbances across an artificial landscape designed to highlight variation in topographic complexity. Specifically, we simulated spatially explicit successional changes for a 100-year period of climate warming under different scenarios of disturbance and climate microrefugia.Disturbance regimes play a major role in mediating species range changes. The effects of disturbance range from expediting range contractions for some species to facilitating colonization of new ranges for others. Microrefugia generally had a significant but smaller effect on range changes. The existence of microrefugia could enhance range persistence but implies increased environmental heterogeneity, thereby hampering migration under some disturbance regimes and for species with low dispersal capabilities. Species that gained suitable habitat due to climate change largely depended on the interaction between species life history traits, environmental heterogeneity and disturbance regimes to expand their ranges.Disturbance and microrefugia play a key role in determining forest range shifts during climate change. The study highlights the urgent need of including non-deterministic successional pathways into climate change projections of species distributions.
Starting Page	1039
Ending Page	1053
Page Count	15
File Format	PDF
ISSN	09212973
Journal	Landscape Ecology
Volume Number	30
Issue Number	6
e-ISSN	15729761
Language	English
Publisher	Springer Netherlands
Publisher Date	2015-02-17
Publisher Place	Dordrecht
Access Restriction	Subscribed
Subject Keyword	Climate change Forest dynamics LANDIS-II Range change Succession Landscape Ecology Plant Ecology Forestry Management Forestry Ecology Plant Sciences
Content Type	Text
Resource Type	Article
Subject	Geography, Planning and Development Ecology Nature and Landscape Conservation

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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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