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Title: Mapping ecoregions under climate change: a case study from the biological ‘crossroads’ of three continents, Turkey

Abstract

Context: Besides climate change vulnerability, most ecosystems are under threat from a history of improper land-use and conservation policies, yet there is little existing long-term ecological research infrastructure in Turkey. In regions with no ecological networks across large landscapes, ecoregion concept offers opportunities for characterizing the landscape under changing climate.Objectives: Aim is to develop contemporary and future quantitative ecoregions for Turkey based on climate model outputs, to identify climate change-sensitive areas of biodiversity and conservation significance, and to provide a framework for a comprehensive ecological observatory network design.Methods: Using Multivariate Spatio-Temporal Clustering and climate data contemporary and projected future distributions of Turkey’s ecoregions are delineated at several division levels.Results: Turkey’s contemporary ecoregions generally show a northward shift by the end of this century and the lengthening of the growing season across the country, especially eastward and northward. The increase in growing season length, along with the shift in precipitation seasonality and increasing growing season precipitation, shape future conditions within the climate change-sensitive areas. Apart from transboundary ecological and socioeconomic significance, these potentially vulnerable ecosystems also constitute the majority of Turkey’s biodiversity hotspots.Conclusions: Our study marks the first ‘ecoregionalization’ study for Turkey based on both contemporary and future climate scenarios. Formore » countries like Turkey, where large-scale ecological networks have not been established, using such quantitative methodology for delineation of optimal ecoclimatic regions, and for mapping environments at risk from climate change provides an invaluable perspective for conservation planning strategies, and a framework for a comprehensive ecological observatory network design.« less

Authors:
ORCiD logo [1];  [2]; ORCiD logo [3];  [4];  [5]
  1. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Climate Change Science Inst., Computational Earth Sciences Group; Istanbul Technical Univ., Istanbul (Turkey). Eurasia Inst. of Earth Sciences
  2. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Environmental Sciences Division
  3. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Climate Change Science Inst., Computational Earth Sciences Group
  4. Istanbul Technical Univ., Istanbul (Turkey). Eurasia Inst. of Earth Sciences
  5. US Dept. of Agriculture (USDA), Forest Service, Asheville, NC (United States). Southern Research Station, Eastern Forest Environmental Threat Assessment Center
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Biological and Environmental Research (BER) (SC-23)
OSTI Identifier:
1489556
Grant/Contract Number:  
AC05-00OR22725
Resource Type:
Accepted Manuscript
Journal Name:
Landscape Ecology
Additional Journal Information:
Journal Name: Landscape Ecology; Journal ID: ISSN 0921-2973
Publisher:
Springer
Country of Publication:
United States
Language:
English
Subject:
54 ENVIRONMENTAL SCIENCES

Citation Formats

Ergüner, Yasemin, Kumar, Jitendra, Hoffman, Forrest M., Dalfes, H. Nüzhet, and Hargrove, William W. Mapping ecoregions under climate change: a case study from the biological ‘crossroads’ of three continents, Turkey. United States: N. p., 2018. Web. doi:10.1007/s10980-018-0743-8.
Ergüner, Yasemin, Kumar, Jitendra, Hoffman, Forrest M., Dalfes, H. Nüzhet, & Hargrove, William W. Mapping ecoregions under climate change: a case study from the biological ‘crossroads’ of three continents, Turkey. United States. doi:10.1007/s10980-018-0743-8.
Ergüner, Yasemin, Kumar, Jitendra, Hoffman, Forrest M., Dalfes, H. Nüzhet, and Hargrove, William W. Fri . "Mapping ecoregions under climate change: a case study from the biological ‘crossroads’ of three continents, Turkey". United States. doi:10.1007/s10980-018-0743-8. https://www.osti.gov/servlets/purl/1489556.
@article{osti_1489556,
title = {Mapping ecoregions under climate change: a case study from the biological ‘crossroads’ of three continents, Turkey},
author = {Ergüner, Yasemin and Kumar, Jitendra and Hoffman, Forrest M. and Dalfes, H. Nüzhet and Hargrove, William W.},
abstractNote = {Context: Besides climate change vulnerability, most ecosystems are under threat from a history of improper land-use and conservation policies, yet there is little existing long-term ecological research infrastructure in Turkey. In regions with no ecological networks across large landscapes, ecoregion concept offers opportunities for characterizing the landscape under changing climate.Objectives: Aim is to develop contemporary and future quantitative ecoregions for Turkey based on climate model outputs, to identify climate change-sensitive areas of biodiversity and conservation significance, and to provide a framework for a comprehensive ecological observatory network design.Methods: Using Multivariate Spatio-Temporal Clustering and climate data contemporary and projected future distributions of Turkey’s ecoregions are delineated at several division levels.Results: Turkey’s contemporary ecoregions generally show a northward shift by the end of this century and the lengthening of the growing season across the country, especially eastward and northward. The increase in growing season length, along with the shift in precipitation seasonality and increasing growing season precipitation, shape future conditions within the climate change-sensitive areas. Apart from transboundary ecological and socioeconomic significance, these potentially vulnerable ecosystems also constitute the majority of Turkey’s biodiversity hotspots.Conclusions: Our study marks the first ‘ecoregionalization’ study for Turkey based on both contemporary and future climate scenarios. For countries like Turkey, where large-scale ecological networks have not been established, using such quantitative methodology for delineation of optimal ecoclimatic regions, and for mapping environments at risk from climate change provides an invaluable perspective for conservation planning strategies, and a framework for a comprehensive ecological observatory network design.},
doi = {10.1007/s10980-018-0743-8},
journal = {Landscape Ecology},
number = ,
volume = ,
place = {United States},
year = {2018},
month = {12}
}

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Figures / Tables:

Fig. 1 Fig. 1: a The model domain and regions of interest (adapted from Bozkurt et al. 2012). The innermost blue box shows the extent of data used in the creation of quantitative ecoregions for Turkey. b Turkey’s conventional geographic regions (CGR) shown as black outlines superimposed on a topographic (Hydro1K, USGS)more » map. Purple outline shows the approximate location of the anecdotally recognized ‘‘Anatolian Diagonal’’ (see details in ‘‘Contemporary ecoregions’’ section)« less

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