globalchange  > 过去全球变化的重建
DOI: 10.1016/j.quascirev.2017.01.021
Scopus记录号: 2-s2.0-85011588776
论文题名:
Vegetation and landscape dynamics under natural and anthropogenic forcing on the Azores Islands: A 700-year pollen record from the São Miguel Island
作者: Rull V.; Lara A.; Rubio-Inglés M.J.; Giralt S.; Gonçalves V.; Raposeiro P.; Hernández A.; Sánchez-López G.; Vázquez-Loureiro D.; Bao R.; Masqué P.; Sáez A.
刊名: Quaternary Science Reviews
ISSN: 2773791
出版年: 2017
卷: 159
起始页码: 155
结束页码: 168
语种: 英语
英文关键词: Azores ; Early settlement ; Last millennium ; Palaeoclimates ; Palaeoecology ; Palynology
Scopus关键词: Deforestation ; Ecology ; Lakes ; Vegetation ; Azores ; Early settlement ; Last millenniums ; Palaeoclimates ; Palaeoecology ; Palynology ; Forestry ; anthropogenic effect ; archipelago ; coniferous tree ; historical record ; Holocene ; human settlement ; lacustrine deposit ; landscape change ; meadow ; paleoclimate ; paleoecology ; paleoenvironment ; palynology ; reconstruction ; shrub ; shrubland ; vegetation dynamics ; Azores ; Flores [Azores] ; Pico ; Portugal ; Sao Miguel ; Animalia ; Cryptomeria japonica ; Erica ; Juniperus brevifolia ; Morella faya ; Pinus pinaster ; Secale cereale ; Triticum aestivum ; Zea mays
英文摘要: The Azores archipelago has provided significant clues to the ecological, biogeographic and evolutionary knowledge of oceanic islands. Palaeoecological records are comparatively scarce, but they can provide relevant information on these subjects. We report the palynological reconstruction of the vegetation and landscape dynamics of the São Miguel Island before and after human settlement using the sediments of Lake Azul. The landscape was dominated by dense laurisilvas of Juniperus brevifolia and Morella faya from ca. 1280 CE to the official European establishment (1449 CE). After this date, the original forests were replaced by a complex of Erica azorica/Myrsine africana forests/shrublands and grassy meadows, which remained until ca. 1800 CE. Extractive forestry, cereal cultivation (rye, maize, wheat) and animal husbandry progressed until another extensive deforestation (ca. 1774 CE), followed by the large-scale introduction (1845 CE) of the exotic forest species Cryptomeria japonica and Pinus pinaster, which shaped the present-day landscape. Fire was a significant driver in these vegetation changes. The lake levels experienced a progressive rise during the time interval studied, reaching a maximum by ca. 1778–1852 CE, followed by a hydrological decline likely due to a combination of climatic and anthropogenic drivers. Our pollen record suggests that São Miguel were already settled by humans by ca. 1287 CE, approximately one century and a half prior to the official historically documented occupation of the archipelago. The results of this study are compared with the few palynological records available from other Azores islands (Pico and Flores). © 2017 Elsevier Ltd
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/59302
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作者单位: Institute of Earth Sciences Jaume Almera (ICTJA-CSIC), Barcelona, Spain; Botanic Institute of Barcelona (IBB-CSIC), Barcelona, Spain; Centro de Investigação em Biodiversidade e Recursos Genéticos (CBIO), Ponta Delgada, Portugal; Instituto Dom Luiz (IDL), Faculty of Sciences, University of Lisboa, Lisbon, Portugal; Centro de Investigaciones Científicas Avanzadas (CICA), Facultade de Ciencias, Universidade da Coruña, A Coruña, Spain; School of Science, Edith Cowan University, Joondalup, Australia; Department of Physics & Institute of Environmental Science and Technology (ICTA), Universitat Autònoma de Barcelona Barcelona, Bellaterra, Spain; Oceans Institute & School of Physics, The University of Western Australia, Crawley, Australia; Department of Earth and Ocean Dynamics, Universitat de Barcelona, Barcelona, Spain

Recommended Citation:
Rull V.,Lara A.,Rubio-Inglés M.J.,et al. Vegetation and landscape dynamics under natural and anthropogenic forcing on the Azores Islands: A 700-year pollen record from the São Miguel Island[J]. Quaternary Science Reviews,2017-01-01,159
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