Human impact on terrestrial ecosystems, pollen calibration and quantitative reconstruction of past land-cover

Gaillard, Marie-José; Sugita, S.; Bunting, Jane; Dearing, John A.; Bittmann, Felix

doi:10.1007/s00334-008-0170-x

Cited by 46 publications

(29 citation statements)

References 24 publications

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“…Prentice, 1985Prentice, , 1988Sugita et al, 1999;Gaillard et al, 2008). The pollen-vegetation relationship in percentages is not linear because of, in particular, percentage calculations, the effects of long-distance pollen from regional sources, and the characteristics of the regional vegetation and the deposition basins (e.g.…”

Section: Pollen-based Reconstruction Of Past Vegetation and Land Covermentioning

confidence: 99%

“…Palaeoecological data, particularly fossil pollen records, have been used to describe vegetation changes regionally and globally (e.g. Prentice and Jolly, 2000;Williams et al, 2008), but unfortunately they have been of little use for the assessment of human impacts on vegetation and land cover (Anderson et al, 2006;Gaillard et al, 2008). The development of databases of humaninduced changes in land cover based on historical records, remotely-sensed images, land census and modelling (Klein Goldewijk, 2001Ramankutty and Foley, 1999;Olofsson and Hickler, 2008) has been useful to evaluate the effects of anthropogenic land-cover changes on the past climate (e.g.…”

Section: Introductionmentioning

confidence: 99%

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Holocene land-cover reconstructions for studies on land cover-climate feedbacks

et al. 2010

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Published by Copernicus Publications on behalf of the European Geosciences Union. 484M.-J. Gaillard et al.: Holocene land-cover reconstructions for studies on land cover-climate feedbacks Abstract. The major objectives of this paper are: (1) to review the pros and cons of the scenarios of past anthropogenic land cover change (ALCC) developed during the last ten years, (2) to discuss issues related to pollen-based reconstruction of the past land-cover and introduce a new method, REVEALS (Regional Estimates of VEgetation Abundance from Large Sites), to infer long-term records of past landcover from pollen data, (3) to present a new project (LAND-CLIM: LAND cover -CLIMate interactions in NW Europe during the Holocene) currently underway, and show preliminary results of REVEALS reconstructions of the regional land-cover in the Czech Republic for five selected time windows of the Holocene, and (4) to discuss the implications and future directions in climate and vegetation/land-cover modeling, and in the assessment of the effects of human-induced changes in land-cover on the regional climate through altered feedbacks. The existing ALCC scenarios show large discrepancies between them, and few cover time periods older than AD 800. When these scenarios are used to assess the impact of human land-use on climate, contrasting results are obtained. It emphasizes the need for methods such as the REVEALS model-based land-cover reconstructions. They might help to fine-tune descriptions of past landcover and lead to a better understanding of how long-term changes in ALCC might have influenced climate. The RE-VEALS model is demonstrated to provide better estimates of the regional vegetation/land-cover changes than the traditional use of pollen percentages. This will achieve a robust assessment of land cover at regional-to continental-spatial scale throughout the Holocene. We present maps of RE-VEALS estimates for the percentage cover of 10 plant functional types (PFTs) at 200 BP and 6000 BP, and of the two open-land PFTs "grassland" and "agricultural land" at five time-windows from 6000 BP to recent time. The LAND-CLIM results are expected to provide crucial data to reassess ALCC estimates for a better understanding of the land suface-atmosphere interactions.

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Section: Pollen-based Reconstruction Of Past Vegetation and Land Covermentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Holocene land-cover reconstructions for studies on land cover-climate feedbacks

et al. 2010

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“…In local and regional studies, modern pollen are closely related not only to vegetation and climate, but also to anthropogenically induced land use (e.g. Gaillard et al, 1994Gaillard et al, , 2008Hjelle, 1999;Broström et al, 2004;Court-Picon et al, 2006). However, at extra-regional and continental scales, analysis of the distribution of modern pollen taxa is more focused on vegetation-pollen-climate relationships (e.g., Anderson et al, 1991;Gajewski et al, 2002;Whitmore et al, 2005;Watrin et al, 2007;Minckley et al, 2008), on pollen-vegetation relationships (e.g.…”

Section: Introductionmentioning

confidence: 99%

Quantifying modern biomes based on surface pollen data in China

Chen

Herzschuh

2010

Global and Planetary Change

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“…The most widely used approach for the qualitative interpretation of pollen assemblages in terms of past land-uses is the indicator species analyses (Behre, 1981;Vuorela, 1986;Ralska-Jasiewiczowa, 1977;Vorren, 1986;Koff and Punning, 2002;Zernitskaya and Mikhailov, 2009;Niinemets and Saarse, 2009;Josefsson et al, 2014;Saarse et al, 2010) as well as using relatively simple statistical models that relate percentages of arboreal and non-arboreal pollen to landscape openness (Frenzel et al, 1992;Rösch, 1992;Broström et al, 1998;Sugita et al, 1999;Mitchell, 2005). The further advantage in reconstructions of land cover changes is the application of sophisticated models, such as the Landscape Reconstruction Algorithm (Sugita 2007), which were used to reconstruct regional and local vegetation dynamics in different regions of Europe during the Holocene (Gaillard et al, 2008;Soepboer and Lotter, 2009;Nielsen et al, 2012;Hultberg et al, 2015).…”

Section: Introductionmentioning

confidence: 99%

The Last Hundred Years of Land Use History in the Southern Part of Valdai Hills (European Russia): Reconstruction by Pollen and Historical Data

et al. 2017

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The last one hundred years of land use history in the southern part of Valdai Hills (European Russia) were reconstructed on the base of high resolution pollen data from the peat monolith taken from the Central Forest State Reserve supplementing with historical records derived from maps of the General Land Survey of the 18 th and 19 th centuries and satellite images. According to the created age model provided by dating using radio-nuclides 210 Pb and 137 Cs, pollen data of the peat monolith allow us to reconstruct vegetation dynamics during the last one hundred years with high time resolution. The obtained data showed that, despite the location of the studied peatland in the center of the forest area and rather far away from possible croplands and hayfields, the pollen values of plants -anthropogenic indicators (Secale sereale, Centaurea cyanus, Plantago, Rumex, etc.) and micro-charcoal concentration are relatively high in the period since the beginning of the 20 th century to the 1970s, especially in the peat horizon formed in the 1950s. In the late 1970s -the early 1980s when the pollen values of cereals gradually diminished in assemblages, the quantity of pollen of other anthropogenic indicators were also significantly reduced, which reflects the overall processes of the agriculture decline in the forest zone of the former USSR.

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Human impact on terrestrial ecosystems, pollen calibration and quantitative reconstruction of past land-cover

Cited by 46 publications

References 24 publications

Holocene land-cover reconstructions for studies on land cover-climate feedbacks

Holocene land-cover reconstructions for studies on land cover-climate feedbacks

Quantifying modern biomes based on surface pollen data in China

The Last Hundred Years of Land Use History in the Southern Part of Valdai Hills (European Russia): Reconstruction by Pollen and Historical Data

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