Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1029/2019WR025094 |
Drivers of Low Instream Large Wood Retention and Imprints of Wood Mobility in Mountain Nonperennial Streams of a Mediterranean Semiarid Environment | |
Galia, T.; Horacek, M.; Macurova, T.; Skarpich, V | |
2019-09-11 | |
发表期刊 | WATER RESOURCES RESEARCH |
ISSN | 0043-1397 |
EISSN | 1944-7973 |
出版年 | 2019 |
文章类型 | Article;Early Access |
语种 | 英语 |
国家 | Czech Republic |
英文摘要 | The majority of research on instream large wood (LW) focuses on perennial streams in temperate zones, and much less is known about wood distribution and its driving factors in other environments, such as semiarid bioclimatic regions. In this study, we sought to predict LW retention by assessing reach-scale variables to infer the influence of external factors on the presence of LW in 37 independent reaches of ephemeral and intermittent streams draining a mountain range in a Mediterranean semiarid environment (Lefka Ori Mountains, Crete, Greece). In addition, we focused on LW pieces that had been mobilized by fluvial transport to find links between wood mobility and the external reach-scale characteristics of this environment. Markedly low average LW frequency (6.5 LW/100 m) and volume (9.06 m(3)/ha) were observed in the studied reaches in comparison with streams draining other bioclimatic regions. Only one complex general linear model was found to predict LW volume (including valley confinement and basal area of coniferous trees), and five explanatory variables (elevation as a proxy of annual precipitation, valley type, valley confinement index, basal area of coniferous trees, and basal area of all trees) were significant in separated models predicting LW volume. Only two variables (valley floor width and the basal area of broadleaf trees) were significant in separated models for prediction of LW frequency. The mobilized LW in the studied streams tends to be stored as individual, dispersed pieces rather than in jams, likely due to overall low LW abundance which effectively prevents clustering of wood. |
英文关键词 | large wood riparian vegetation semiarid nonperennial stream |
领域 | 资源环境 |
收录类别 | SCI-E |
WOS记录号 | WOS:000487184000001 |
WOS关键词 | OLD-GROWTH FOREST ; LONGITUDINAL DISTRIBUTION ; HEADWATER STREAMS ; EPHEMERAL STREAM ; RIVER CORRIDORS ; FLASH-FLOOD ; DEBRIS ; TRANSPORT ; DYNAMICS ; CHANNEL |
WOS类目 | Environmental Sciences ; Limnology ; Water Resources |
WOS研究方向 | Environmental Sciences & Ecology ; Marine & Freshwater Biology ; Water Resources |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/187008 |
专题 | 资源环境科学 |
作者单位 | Univ Ostrava, Dept Phys Geog & Geoecol, Ostrava, Czech Republic |
推荐引用方式 GB/T 7714 | Galia, T.,Horacek, M.,Macurova, T.,et al. Drivers of Low Instream Large Wood Retention and Imprints of Wood Mobility in Mountain Nonperennial Streams of a Mediterranean Semiarid Environment[J]. WATER RESOURCES RESEARCH,2019. |
APA | Galia, T.,Horacek, M.,Macurova, T.,&Skarpich, V.(2019).Drivers of Low Instream Large Wood Retention and Imprints of Wood Mobility in Mountain Nonperennial Streams of a Mediterranean Semiarid Environment.WATER RESOURCES RESEARCH. |
MLA | Galia, T.,et al."Drivers of Low Instream Large Wood Retention and Imprints of Wood Mobility in Mountain Nonperennial Streams of a Mediterranean Semiarid Environment".WATER RESOURCES RESEARCH (2019). |
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