Linking large-scale and small-scale distribution patterns of steppe plant species—An example using fourth-corner analysis

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@article{804c9756c4ee4f02955f95e800ddd8f5,
title = "Linking large-scale and small-scale distribution patterns of steppe plant species—An example using fourth-corner analysis",
abstract = "The Mongolian share of the Palaearctic steppe biome hosts some of most intact grassland regions, these are traversed by high peaks creating diverse and rich habitats. We sampled 100 randomly located vegetation plots in a 2 × 2 km² mountain summit region that is isolated by surrounding drier lowlands in the Gobi Gurvan Saykhan mountain range in southern Mongolia. All sampled plants were assigned to phytogeographic groups using new data on their geographic distribution ranges. Relationships between local scale and global scale distribution were analysed with fourth-corner analysis. To this end, we investigated if statistical methods developed for functional trait analysis can be used in a biogeographical context to test whether plot-level vegetation patterns mirror range-level distribution data. Furthermore, we determined if range distributions are reflected in habitat preferences, and how this link could be applied to decision-making in conservation biology. The fourth-corner analysis revealed that phytogeographical groups showed significant preferences for certain local habitat types in the heterogeneous mountain range. The local, Central Asian endemics showed, however, no clear preference along the altitudinal gradient. Fourth-corner analysis proofed useful for testing relations between local scale habitat preferences and large-scale distribution. In the Gobi Altay, species at their distribution limits where much more strongly restricted in their local distribution, while endemics tended to cover a wider range of local habitat conditions. Given that biogeographical responsibility has become a major topic in conservation biology, the approach can also be helpful for applied studies elsewhere.",
keywords = "4th corner problem, Central Asian endemics, Chorological affinities, Distribution maps, Gobi Gurvan Saykhan, Habitat preferences, Transdisciplinary studies, Ecosystems Research",
author = "Jan Treiber and {von Wehrden}, Henrik and Heike Zimmermann and Erik Welk and J{\"a}ger, {Eckehart J.} and Katrin Ronnenberg and Karsten Wesche",
year = "2020",
month = feb,
day = "1",
doi = "10.1016/j.flora.2020.151553",
language = "English",
volume = "263",
journal = "Flora",
issn = "0367-2530",
publisher = "Elsevier B.V.",

}

RIS

TY - JOUR

T1 - Linking large-scale and small-scale distribution patterns of steppe plant species—An example using fourth-corner analysis

AU - Treiber, Jan

AU - von Wehrden, Henrik

AU - Zimmermann, Heike

AU - Welk, Erik

AU - Jäger, Eckehart J.

AU - Ronnenberg, Katrin

AU - Wesche, Karsten

PY - 2020/2/1

Y1 - 2020/2/1

N2 - The Mongolian share of the Palaearctic steppe biome hosts some of most intact grassland regions, these are traversed by high peaks creating diverse and rich habitats. We sampled 100 randomly located vegetation plots in a 2 × 2 km² mountain summit region that is isolated by surrounding drier lowlands in the Gobi Gurvan Saykhan mountain range in southern Mongolia. All sampled plants were assigned to phytogeographic groups using new data on their geographic distribution ranges. Relationships between local scale and global scale distribution were analysed with fourth-corner analysis. To this end, we investigated if statistical methods developed for functional trait analysis can be used in a biogeographical context to test whether plot-level vegetation patterns mirror range-level distribution data. Furthermore, we determined if range distributions are reflected in habitat preferences, and how this link could be applied to decision-making in conservation biology. The fourth-corner analysis revealed that phytogeographical groups showed significant preferences for certain local habitat types in the heterogeneous mountain range. The local, Central Asian endemics showed, however, no clear preference along the altitudinal gradient. Fourth-corner analysis proofed useful for testing relations between local scale habitat preferences and large-scale distribution. In the Gobi Altay, species at their distribution limits where much more strongly restricted in their local distribution, while endemics tended to cover a wider range of local habitat conditions. Given that biogeographical responsibility has become a major topic in conservation biology, the approach can also be helpful for applied studies elsewhere.

AB - The Mongolian share of the Palaearctic steppe biome hosts some of most intact grassland regions, these are traversed by high peaks creating diverse and rich habitats. We sampled 100 randomly located vegetation plots in a 2 × 2 km² mountain summit region that is isolated by surrounding drier lowlands in the Gobi Gurvan Saykhan mountain range in southern Mongolia. All sampled plants were assigned to phytogeographic groups using new data on their geographic distribution ranges. Relationships between local scale and global scale distribution were analysed with fourth-corner analysis. To this end, we investigated if statistical methods developed for functional trait analysis can be used in a biogeographical context to test whether plot-level vegetation patterns mirror range-level distribution data. Furthermore, we determined if range distributions are reflected in habitat preferences, and how this link could be applied to decision-making in conservation biology. The fourth-corner analysis revealed that phytogeographical groups showed significant preferences for certain local habitat types in the heterogeneous mountain range. The local, Central Asian endemics showed, however, no clear preference along the altitudinal gradient. Fourth-corner analysis proofed useful for testing relations between local scale habitat preferences and large-scale distribution. In the Gobi Altay, species at their distribution limits where much more strongly restricted in their local distribution, while endemics tended to cover a wider range of local habitat conditions. Given that biogeographical responsibility has become a major topic in conservation biology, the approach can also be helpful for applied studies elsewhere.

KW - 4th corner problem

KW - Central Asian endemics

KW - Chorological affinities

KW - Distribution maps

KW - Gobi Gurvan Saykhan

KW - Habitat preferences

KW - Transdisciplinary studies

KW - Ecosystems Research

UR - http://www.scopus.com/inward/record.url?scp=85078878325&partnerID=8YFLogxK

U2 - 10.1016/j.flora.2020.151553

DO - 10.1016/j.flora.2020.151553

M3 - Journal articles

AN - SCOPUS:85078878325

VL - 263

JO - Flora

JF - Flora

SN - 0367-2530

M1 - 151553

ER -