climatic basis for microrefugia: the influence of terrain on climate

There is compelling evidence from glacial and interglacial periods of the Quaternary of the utilization of microrefugia. Microrefugia are sites that support locally favorable climates amidst unfavorable regional climates, which allow populations of species to persist outside of their main distributi...

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Veröffentlicht in:Global change biology Jg. 17; H. 2; S. 1022 - 1035
1. Verfasser: DOBROWSKI, SOLOMON Z
Format: Journal Article
Sprache:Englisch
Veröffentlicht: Oxford, UK Blackwell Publishing Ltd 01.02.2011
Wiley-Blackwell
Schlagworte:
Animal and plant ecology
Animal, plant and microbial ecology
Biogeography
Biological and medical sciences
Biota
climate
Climate change
Climate change research
Climatology. Bioclimatology. Climate change
cryptic refugia
Dispersal
Earth, ocean, space
Ecology
Exact sciences and technology
External geophysics
Fundamental and applied biological sciences. Psychology
General aspects
Genetic diversity
genetic variation
Glaciers
Interglacial periods
landscape physiography
landscape position
landscapes
Meteorology
microrefugia
mountain climate
paleoclimate
Quaternary
refugia
Spatial distribution
species distributions
topoclimate
species distributions
Climate
Landscape
Physiography
refugia
Cryptic
Dynamical climatology
Climatic condition
cryptic refugia
topoclimate
Climate change
Spatial distribution
Geographic distribution
Mountain
Topography
Paleoclimate
mountain climate
landscape physiography
Distribution range
microrefugia
ISSN:1354-1013, 1365-2486
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Zusammenfassung:There is compelling evidence from glacial and interglacial periods of the Quaternary of the utilization of microrefugia. Microrefugia are sites that support locally favorable climates amidst unfavorable regional climates, which allow populations of species to persist outside of their main distributions. Knowledge of the location of microrefugia has important implications for climate change research as it will influence our understanding of the spatial distribution of species through time, their patterns of genetic diversity, and potential dispersal rates in response to climate shifts. Indeed, the implications of microrefugia are profound and yet we know surprisingly little about their climatic basis; what climatic processes can support their subsistence, where they may occur, their climatic traits, and the relevance of these locations for climate change research. Here I examine the climatic basis for microrefugia and assert that the interaction between regional advective influences and local terrain influences will define the distribution and nature of microrefugia. I review the climatic processes that can support their subsistence and from this climatic basis: (1) infer traits of the spatial distribution of microrefugia and how this may change through time; (2) review assertions about their landscape position and what it can tell us about regional climates; and (3) demonstrate an approach to forecasting where microrefugia may occur in the future. This synthesis highlights the importance of landscape physiography in shaping the adaptive response of biota to climate change.
Bibliographie:http://dx.doi.org/10.1111/j.1365-2486.2010.02263.x
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ArticleID:GCB2263
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SourceType-Scholarly Journals-1
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ISSN:1354-1013
1365-2486
DOI:10.1111/j.1365-2486.2010.02263.x