globalchange  > 过去全球变化的重建
DOI: 10.1007/s10750-019-3882-2
WOS记录号: WOS:000460694400005
论文题名:
Drought impacts to trout and salamanders in cool, forested headwater ecosystems in the western Cascade Mountains, OR
作者: Kaylor, Matthew J.1; VerWey, Brian J.2; Cortes, Alvaro1; Warren, Dana R.1,3
通讯作者: Kaylor, Matthew J.
刊名: HYDROBIOLOGIA
ISSN: 0018-8158
EISSN: 1573-5117
出版年: 2019
卷: 833, 期:1, 页码:65-80
语种: 英语
英文关键词: Drought ; Disturbance ; Cutthroat trout ; Coastal giant salamander ; Climate change
WOS关键词: CUTTHROAT TROUT ; CLIMATE-CHANGE ; BROWN TROUT ; GROWTH-RATE ; HABITAT USE ; STREAM ; OREGON ; WATER ; SIZE ; RESTORATION
WOS学科分类: Marine & Freshwater Biology
WOS研究方向: Marine & Freshwater Biology
英文摘要:

Climate change projections for the western United States suggest that many regions will experience increasing frequency and severity of droughts. In summer 2015, the Pacific Northwest experienced a drought with early onset of stream low flows, reduced summer discharge, and elevated temperatures. We evaluated population responses of two dominant stream predatorscoastal cutthroat trout (Oncorhynchus clarkii clarkii) and coastal giant salamander (Dicamptodon tenebrosus)across nine Cascade Mountain streams. Drought conditions impacted both trout and salamanders, but their responses differed. Adult trout abundance and biomass were significantly lower in 2015 relative to 2014, a year with discharge and temperature closer to historical norms. Juvenile trout abundance did not differ between years but juveniles were significantly larger in 2015. Salamander abundance and biomass were not significantly different between years but body condition was lower in all nine streams in 2015. Differences in temperature among streams did not explain trout or salamander responses. Habitat was important for trout responses with trout abundance and biomassexperiencing smaller declines in systems with more deep pool area. Despite notable short-term drought impacts to trout and salamanders in 2015, populations recovered to pre-drought conditions within twoyears in all but the smallest stream.


Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/137180
Appears in Collections:过去全球变化的重建

Files in This Item:

There are no files associated with this item.


作者单位: 1.Oregon State Univ, Dept Fisheries & Wildlife, 104 Nash Hall, Corvallis, OR 97331 USA
2.Oregon State Univ, Dept Bot & Plant Pathol, Corvallis, OR 97331 USA
3.Oregon State Univ, Dept Forest Ecosyst & Soc, Corvallis, OR 97331 USA

Recommended Citation:
Kaylor, Matthew J.,VerWey, Brian J.,Cortes, Alvaro,et al. Drought impacts to trout and salamanders in cool, forested headwater ecosystems in the western Cascade Mountains, OR[J]. HYDROBIOLOGIA,2019-01-01,833(1):65-80
Service
Recommend this item
Sava as my favorate item
Show this item's statistics
Export Endnote File
Google Scholar
Similar articles in Google Scholar
[Kaylor, Matthew J.]'s Articles
[VerWey, Brian J.]'s Articles
[Cortes, Alvaro]'s Articles
百度学术
Similar articles in Baidu Scholar
[Kaylor, Matthew J.]'s Articles
[VerWey, Brian J.]'s Articles
[Cortes, Alvaro]'s Articles
CSDL cross search
Similar articles in CSDL Cross Search
[Kaylor, Matthew J.]‘s Articles
[VerWey, Brian J.]‘s Articles
[Cortes, Alvaro]‘s Articles
Related Copyright Policies
Null
收藏/分享
所有评论 (0)
暂无评论
 

Items in IR are protected by copyright, with all rights reserved, unless otherwise indicated.