scholarly journals Environmental DNA reveals the temporal and spatial extent of spawning migrations of European shad in a highly fragmented river basin

2021 ◽  
Author(s):  
Caterina Maria Antognazza ◽  
J. Robert Britton ◽  
Vanessa De Santis ◽  
Konstantina Kolia ◽  
Ossi A. Turunen ◽  
...  
Keyword(s):  
River Basin ◽  
Environmental Dna ◽  
Spatial Extent ◽  
Temporal And Spatial

scholarly journals Temporal and spatial variation in distribution of fish environmental DNA in England’s largest lake

2019 ◽  
Vol 1 (1) ◽  
pp. 26-39 ◽  
Author(s):  
Lori Lawson Handley ◽  
Daniel S. Read ◽  
Ian J. Winfield ◽  
Helen Kimbell ◽  
Harriet Johnson ◽  
...  
Keyword(s):  
Spatial Variation ◽  
Environmental Dna ◽  
Temporal And Spatial Variation ◽  
Temporal And Spatial ◽  
Distribution Of Fish

scholarly journals Tropical rainfall trend and stationarity analysis

2020 ◽  
Vol 20 (7) ◽  
pp. 2471-2483
Author(s):  
Chun Kang Ng ◽  
Jing Lin Ng ◽  
Yuk Feng Huang ◽  
Yi Xun Tan ◽  
Majid Mirzaei
Keyword(s):  
Climate Change ◽  
Trend Analysis ◽  
River Basin ◽  
Spatial Scales ◽  
Kendall Test ◽  
Temporal Analysis ◽  
Northern Region ◽  
Rainfall Series ◽  
Kelantan River Basin ◽  
Temporal And Spatial

Abstract Climate change is most likely to cause changes to the temporal and spatial variability of rainfall. A trend analysis to investigate the rainfall pattern can detect changes over temporal and spatial scales for a rainfall series. In this study, trend analysis using the Mann–Kendall test and Sen's slope estimator was conducted in the Kelantan River Basin, Malaysia. The Kwiatkowski–Phillips–Schmidt–Shin (KPSS) test was applied to evaluate the stationarity of the rainfall series. This basin annually faces onslaughts of varying year-end flooding conditions. The trend analysis was applied for monthly, seasonal and yearly rainfall series between 1989 and 2018. The temporal analysis results showed that both increasing and decreasing trends were detected for all rainfall series. The spatial analysis results indicated that the northern region of the Kelantan River Basin showed an increasing trend, whilst the southwest region showed a decreasing trend. It was found that almost all the rainfall series were stationary except at two rainfall stations during the Inter Monsoon 1, Inter Monsoon 2 and yearly rainfall series. Results obtained from this study can be used as reference for water resources planning and climate change assessment.

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