气候变化领域集成服务门户(CCPortal): The Evolution of Agrarian Landscapes in the Tropical Andes

CCPortal

DOI	10.3390/plants13071019
	The Evolution of Agrarian Landscapes in the Tropical Andes
	Shadik, Courtney R.; Bush, Mark B.; Valencia, Bryan G.; Rozas-Davila, Angela; Plekhov, Daniel; Breininger, Robert D.; Davin, Claire; Benko, Lindsay; Peterson, Larry C.; Vanvalkenburgh, Parker
发表日期	2024
ISSN	2223-7747
起始页码	13
结束页码	7
卷号	13 期号:7
英文摘要	Changes in land-use practices have been a central element of human adaptation to Holocene climate change. Many practices that result in the short-term stabilization of socio-natural systems, however, have longer-term, unanticipated consequences that present cascading challenges for human subsistence strategies and opportunities for subsequent adaptations. Investigating complex sequences of interaction between climate change and human land-use in the past-rather than short-term causes and effects-is therefore essential for understanding processes of adaptation and change, but this approach has been stymied by a lack of suitably-scaled paleoecological data. Through a high-resolution paleoecological analysis, we provide a 7000-year history of changing climate and land management around Lake Acopia in the Andes of southern Peru. We identify evidence of the onset of pastoralism, maize cultivation, and possibly cultivation of quinoa and potatoes to form a complex agrarian landscape by c. 4300 years ago. Cumulative interactive climate-cultivation effects resulting in erosion ended abruptly c. 2300 years ago. After this time, reduced sedimentation rates are attributed to the construction and use of agricultural terraces within the catchment of the lake. These results provide new insights into the role of humans in the manufacture of Andean landscapes and the incremental, adaptive processes through which land-use practices take shape.
英文关键词	climate change; fossil pollen; lake sediment; terracing; crops; pastoralism; Sporormiella; charcoal; XRF
语种	英语
WOS研究方向	Plant Sciences
WOS类目	Plant Sciences
WOS记录号	WOS:001200919900001
来源期刊	PLANTS-BASEL
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/307912
作者单位	Florida Institute of Technology; Portland State University; University of Richmond; University of Miami; Brown University
推荐引用方式 GB/T 7714	Shadik, Courtney R.,Bush, Mark B.,Valencia, Bryan G.,et al. The Evolution of Agrarian Landscapes in the Tropical Andes[J],2024,13(7).
APA	Shadik, Courtney R..,Bush, Mark B..,Valencia, Bryan G..,Rozas-Davila, Angela.,Plekhov, Daniel.,...&Vanvalkenburgh, Parker.(2024).The Evolution of Agrarian Landscapes in the Tropical Andes.PLANTS-BASEL,13(7).
MLA	Shadik, Courtney R.,et al."The Evolution of Agrarian Landscapes in the Tropical Andes".PLANTS-BASEL 13.7(2024).