Exposure-related forest-steppe: a diverse landscape type
determined by topography and climate

J 2016

Exposure-related forest-steppe: a diverse landscape type determined by topography and climate

HAIS, Martin, Milan CHYTRÝ a Michal HORSÁK

Základní údaje

Originální název

Exposure-related forest-steppe: a diverse landscape type determined by topography and climate

Autoři

HAIS, Martin (203 Česká republika), Milan CHYTRÝ (203 Česká republika, domácí) a Michal HORSÁK (203 Česká republika, garant, domácí)

Vydání

Journal of Arid Environments, 2016, 0140-1963

Další údaje

Jazyk

angličtina

Typ výsledku

Článek v odborném periodiku

Obor

10600 1.6 Biological sciences

Stát vydavatele

Velká Británie a Severní Irsko

Utajení

není předmětem státního či obchodního tajemství

Odkazy

URL

Impakt faktor

Impact factor: 1.835

Kód RIV

RIV/00216224:14310/16:00088190

Organizační jednotka

Přírodovědecká fakulta

DOI

http://dx.doi.org/10.1016/j.jaridenv.2016.08.011

UT WoS

000387836500010

Klíčová slova anglicky

Dry continental climate; Effective topographic heterogeneity; Environmental heterogeneity; Forest-steppe; Siberia; Topography

Štítky

AKR, rivok

Příznaky

Mezinárodní význam, Recenzováno

Změněno: 16. 2. 2018 16:39, prof. RNDr. Michal Horsák, Ph.D.

Anotace

V originále

Topographic heterogeneity under dry continental climate can create a landscape mosaic called “exposure-related forest-steppe”, characterized by a regular pattern of forest on the north- and steppe on the south-facing slopes. Here we identify the climatic and topographic determinants of this landscape type, using a model of the Altai Mountains in southern Siberia because they (1) contain large areas of foreststeppe together with forested and steppe landscapes, and (2) possess well-preserved natural land-cover. Based on the Landsat land-cover classification and digital elevation model we identified areas containing exposure-related forest-steppe and modeled their climatic and topographic thresholds using regression trees. The models showed that in the Altai exposure-related forest-steppe is most common in topographically heterogeneous areas with MayeSeptember precipitation of 226e377 mm and a mean July temperature of 13.8e15.6 _C. Its existence is jointly determined by hilly topography and a climate that is moist enough to support tree growth on north-facing slopes, but insufficiently so to support woodland development on south-facing slopes. This is consistent with the concept of effective topographic heterogeneity, suggesting that topographic heterogeneity on the landscape level is translated into high habitat diversity and species diversity only within a certain range of climatic conditions.

Návaznosti

GAP504/11/0454, projekt VaV

Název: Změny biodiverzity na přechodu pleistocénu a holocénu: současné analogie v reliktních ekosystémech Sibiře

Investor: Grantová agentura ČR, Změny biodiverzity na přechodu pleistocénu a holocénu: současné analogie v reliktních ekosystémech Sibiře

Citovat

HAIS, Martin, Milan CHYTRÝ a Michal HORSÁK. Exposure-related forest-steppe: a diverse landscape type determined by topography and climate. Journal of Arid Environments. 2016, roč. 135, December, s. 75-84. ISSN 0140-1963. Dostupné z: https://dx.doi.org/10.1016/j.jaridenv.2016.08.011.

@article{1355415,
   author = {Hais, Martin and Chytrý, Milan and Horsák, Michal},
   article_number = {December},
   doi = {http://dx.doi.org/10.1016/j.jaridenv.2016.08.011},
   keywords = {Dry continental climate; Effective topographic heterogeneity; Environmental heterogeneity; Forest-steppe; Siberia; Topography},
   language = {eng},
   issn = {0140-1963},
   journal = {Journal of Arid Environments},
   title = {Exposure-related forest-steppe: a diverse landscape type determined by topography and climate},
   url = {http://www.sciencedirect.com/science/article/pii/S0140196316301537},
   volume = {135},
   year = {2016}
}

TY  - JOUR
ID  - 1355415
AU  - Hais, Martin - Chytrý, Milan - Horsák, Michal
PY  - 2016
TI  - Exposure-related forest-steppe: a diverse landscape type determined by topography and climate
JF  - Journal of Arid Environments
VL  - 135
IS  - December
SP  - 75-84
EP  - 75-84
SN  - 01401963
KW  - Dry continental climate
KW  - Effective topographic heterogeneity
KW  - Environmental heterogeneity
KW  - Forest-steppe
KW  - Siberia
KW  - Topography
UR  - http://www.sciencedirect.com/science/article/pii/S0140196316301537
N2  - Topographic heterogeneity under dry continental climate can create a landscape mosaic called “exposure-related forest-steppe”, characterized by a regular pattern of forest on the north- and steppe on the south-facing slopes. Here we identify the climatic and topographic determinants of this landscape type, using a model of the Altai Mountains in southern Siberia because they (1) contain large areas of foreststeppe together with forested and steppe landscapes, and (2) possess well-preserved natural land-cover. Based on the Landsat land-cover classification and digital elevation model we identified areas containing exposure-related forest-steppe and modeled their climatic and topographic thresholds using regression trees. The models showed that in the Altai exposure-related forest-steppe is most common in topographically heterogeneous areas with MayeSeptember precipitation of 226e377 mm and a mean July temperature of 13.8e15.6 _C. Its existence is jointly determined by hilly topography and a climate that is moist enough to support tree growth on north-facing slopes, but insufficiently so to support woodland development on south-facing slopes. This is consistent with the concept of effective topographic heterogeneity, suggesting that topographic heterogeneity on the landscape level is translated into high habitat diversity and species diversity only within a certain range of climatic conditions.
ER  -

HAIS, Martin, Milan CHYTRÝ a Michal HORSÁK. Exposure-related forest-steppe: a diverse landscape type determined by topography and climate. \textit{Journal of Arid Environments}. 2016, roč.~135, December, s.~75-84. ISSN~0140-1963. Dostupné z: https://dx.doi.org/10.1016/j.jaridenv.2016.08.011.

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