Topographic slope steepness and anthropogenic pressure interact to shape the distribution of tree cover in China

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Topographic slope steepness and anthropogenic pressure interact to shape the distribution of tree cover in China. / Nuchel, Jonas; Bocher, Peder Klith; Svenning, Jens-Christian.

I: Applied Geography, Bind 103, 02.2019, s. 40-55.

Publikation: Bidrag til tidsskrift/Konferencebidrag i tidsskrift /Bidrag til avisTidsskriftartikelForskningpeer review

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@article{adf45881887347f0a146c35deca862fe,
title = "Topographic slope steepness and anthropogenic pressure interact to shape the distribution of tree cover in China",
abstract = "Tree cover in China has undergone massive changes through deforestation, reforestation, and afforestation during the last 60 years. This study investigates the distribution of tree cover in the eastern part of China in 2010, and how it is related to climate, topography, and anthropogenic pressure. We use random forest modeling of remote sensing data for tree cover, together with data for topography, climate, and anthropogenic pressure. Our results show that 2,136,000 km(2) had tree cover >= 25{\%} in the eastern part of China in 2010 and that the areas with high tree cover were mainly distributed in north-eastern, southern, and south-central China. The variable that best explains the distribution of tree cover is actual evapotranspiration followed by slope and population density. The association between slope and tree cover increases as population density rises, suggesting that the association may be influenced by anthropogenic land use intensity and that slopes act as refugees for forests. Our study emphasizes the need to pay attention to the association between slope and tree cover and especially to the anthropogenic factors that, entirely or to some extent, drive this association.",
keywords = "China, Tree cover 2010, MODIS, Anthropogenic pressure, Human impacts, Topography, VEGETATION DISTRIBUTION, NATURE-RESERVES, FOREST COVER, BIODIVERSITY, EVAPOTRANSPIRATION, CLASSIFICATION, AFFORESTATION, CONSERVATION, REGRESSION, TRENDS",
author = "Jonas Nuchel and Bocher, {Peder Klith} and Jens-Christian Svenning",
year = "2019",
month = "2",
doi = "10.1016/j.apgeog.2018.12.008",
language = "English",
volume = "103",
pages = "40--55",
journal = "Applied Geography",
issn = "0143-6228",
publisher = "Pergamon Press",

}

RIS

TY - JOUR

T1 - Topographic slope steepness and anthropogenic pressure interact to shape the distribution of tree cover in China

AU - Nuchel, Jonas

AU - Bocher, Peder Klith

AU - Svenning, Jens-Christian

PY - 2019/2

Y1 - 2019/2

N2 - Tree cover in China has undergone massive changes through deforestation, reforestation, and afforestation during the last 60 years. This study investigates the distribution of tree cover in the eastern part of China in 2010, and how it is related to climate, topography, and anthropogenic pressure. We use random forest modeling of remote sensing data for tree cover, together with data for topography, climate, and anthropogenic pressure. Our results show that 2,136,000 km(2) had tree cover >= 25% in the eastern part of China in 2010 and that the areas with high tree cover were mainly distributed in north-eastern, southern, and south-central China. The variable that best explains the distribution of tree cover is actual evapotranspiration followed by slope and population density. The association between slope and tree cover increases as population density rises, suggesting that the association may be influenced by anthropogenic land use intensity and that slopes act as refugees for forests. Our study emphasizes the need to pay attention to the association between slope and tree cover and especially to the anthropogenic factors that, entirely or to some extent, drive this association.

AB - Tree cover in China has undergone massive changes through deforestation, reforestation, and afforestation during the last 60 years. This study investigates the distribution of tree cover in the eastern part of China in 2010, and how it is related to climate, topography, and anthropogenic pressure. We use random forest modeling of remote sensing data for tree cover, together with data for topography, climate, and anthropogenic pressure. Our results show that 2,136,000 km(2) had tree cover >= 25% in the eastern part of China in 2010 and that the areas with high tree cover were mainly distributed in north-eastern, southern, and south-central China. The variable that best explains the distribution of tree cover is actual evapotranspiration followed by slope and population density. The association between slope and tree cover increases as population density rises, suggesting that the association may be influenced by anthropogenic land use intensity and that slopes act as refugees for forests. Our study emphasizes the need to pay attention to the association between slope and tree cover and especially to the anthropogenic factors that, entirely or to some extent, drive this association.

KW - China

KW - Tree cover 2010

KW - MODIS

KW - Anthropogenic pressure

KW - Human impacts

KW - Topography

KW - VEGETATION DISTRIBUTION

KW - NATURE-RESERVES

KW - FOREST COVER

KW - BIODIVERSITY

KW - EVAPOTRANSPIRATION

KW - CLASSIFICATION

KW - AFFORESTATION

KW - CONSERVATION

KW - REGRESSION

KW - TRENDS

U2 - 10.1016/j.apgeog.2018.12.008

DO - 10.1016/j.apgeog.2018.12.008

M3 - Journal article

VL - 103

SP - 40

EP - 55

JO - Applied Geography

JF - Applied Geography

SN - 0143-6228

ER -