干旱区生态环境知识资源中心(Arid): Riparian forest productivity decline initiated by streamflow diversion then amplified by atmospheric drought 40 years later

Arid

DOI	10.1002/eco.2408
	Riparian forest productivity decline initiated by streamflow diversion then amplified by atmospheric drought 40 years later
	Schook, Derek M.; Friedman, Jonathan M.; Hoover, Jamie D.; Rice, Steven E.; Thaxton, Richard D.; Cooper, David J.
通讯作者	Schook, DM (corresponding author)，Natl Pk Serv, Div Water Resources, Ft Collins, CO 80525 USA.
来源期刊	ECOHYDROLOGY
ISSN	1936-0584
EISSN	1936-0592
出版年	2022-02
英文摘要	Riparian trees and their annual growth rings can be used to reconstruct drought histories related to streamflow. Because the death of individual trees reduces competition for survivors, however, tree-ring chronologies based only on surviving trees may underestimate drought impacts. This problem can be addressed by calculating productivity at the stand scale to account for tree mortality and establishment. In the semi-arid Great Basin in the western United States, we calculated riparian wood production from 1946 to 2016 along a stream where most flow has been removed by a diversion pipeline since 1961. The water table was found to be generally below the root zone of cottonwoods (Populus angustifolia and P. angustifolia x trichocarpa) in the pipeline-dewatered reach but within it in reference reaches. To reconstruct forest productivity through time, we separately combined measurements of tree-ring basal area increment with either changing forest area from aerial photos or a census of cross-dated living and dead cottonwoods. Both approaches revealed productivity declines in the dewatered reach relative to adjacent reference reaches, and the decline accelerated in the 2000s. Tree-ring narrowing resulted in divergence between the dewatered reach and one reference reach within 5 years after diversion. However, the dewatered reach did not diverge from the other reference reach until 40 years later, when an unprecedented early 2000s atmospheric drought coupled with diversion to cause extensive cottonwood mortality. We conclude that dendrochronological investigations of forest response to environmental stress should incorporate stand dynamics and that the full impacts of flow diversion can be delayed for decades.
英文关键词	basal area increment flow diversion forest stand production narrowleaf cottonwood Populus river regulation time lag tree mortality
类型	Article ; Early Access
语种	英语
开放获取类型	hybrid
收录类别	SCI-E
WOS记录号	WOS:000757106500001
WOS关键词	TREE MORTALITY ; MISSOURI RIVER ; FLOW REGULATION ; GROWTH ; COTTONWOODS ; PATTERNS ; VEGETATION ; FRAMEWORK ; COLORADO ; CLIMATE
WOS类目	Ecology ; Environmental Sciences ; Water Resources
WOS研究方向	Environmental Sciences & Ecology ; Water Resources
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/377267
作者单位	[Schook, Derek M.; Hoover, Jamie D.; Rice, Steven E.] Natl Pk Serv, Div Water Resources, Ft Collins, CO 80525 USA; [Friedman, Jonathan M.] US Geol Survey, Ft Collins Sci Ctr, Ft Collins, CO USA; [Thaxton, Richard D.; Cooper, David J.] Colorado State Univ, Dept Forest & Rangeland Stewardship, Ft Collins, CO USA; [Hoover, Jamie D.] Front Range Community Coll, Dept Math & Sci, Longmont, CO USA; [Rice, Steven E.] Natl Operat Ctr, Bur Land Management, Denver, CO USA; [Thaxton, Richard D.] Univ Arizona, Lab Tree Ring Res, Tucson, AZ USA
推荐引用方式 GB/T 7714	Schook, Derek M.,Friedman, Jonathan M.,Hoover, Jamie D.,et al. Riparian forest productivity decline initiated by streamflow diversion then amplified by atmospheric drought 40 years later[J],2022.
APA	Schook, Derek M.,Friedman, Jonathan M.,Hoover, Jamie D.,Rice, Steven E.,Thaxton, Richard D.,&Cooper, David J..(2022).Riparian forest productivity decline initiated by streamflow diversion then amplified by atmospheric drought 40 years later.ECOHYDROLOGY.
MLA	Schook, Derek M.,et al."Riparian forest productivity decline initiated by streamflow diversion then amplified by atmospheric drought 40 years later".ECOHYDROLOGY (2022).