This article was downloaded by: [Fisheries and Oceans Canada] On: 07 May 2014, At: 07:15 Publisher: Taylor & Francis Informa Ltd Registered in England and Wales Registered Number: 1072954 Registered office: Mortimer House, 37-41 Mortimer Street, London W1T 3JH, UK North American Journal of Fisheries Management Publication details, including instructions for authors and subscription information: http://www.tandfonline.com/loi/ujfm20 A Spatial and Temporal Evaluation of PHABSIM in Relation to Measured Density of Juvenile Atlantic Salmon in a Small Stream Gilles Bourgeois a, Richard A. Cunjak a, Daniel Caissie a & Nassir El-Jabi b a Science Brunch, Department of Fisheries and Oceans, Box 5030, Moneton, New Brunswick, E1C 9B6, Canada b École de génie, Université de Moncton Moneton, New Brunswick, E1A 3E9, Canada Published online: 08 Jan 2011. To cite this article: Gilles Bourgeois, Richard A. Cunjak, Daniel Caissie & Nassir El-Jabi (1996) A Spatial and Temporal Evaluation of PHABSIM in Relation to Measured Density of Juvenile Atlantic Salmon in a Small Stream, North American Journal of Fisheries Management, 16:1, 154-166 To link to this article: http:// dx.doi.org/10.1577/1548-8675(1996)016<0154:asateo>2.3.co;2 PLEASE SCROLL DOWN FOR ARTICLE Taylor & Francis makes every effort to ensure the accuracy of all the information (the Content ) contained in the publications on our platform. However, Taylor & Francis, our agents, and our licensors make no representations or warranties whatsoever as to the accuracy, completeness, or suitability for any purpose of the Content. Any opinions and views expressed in this publication are the opinions and views of the authors, and are not the views of or endorsed by Taylor & Francis. The accuracy of the Content should not be relied upon and should be independently verified with primary sources of information. Taylor and Francis shall not be liable for any losses, actions, claims, proceedings, demands, costs, expenses, damages, and other liabilities whatsoever or howsoever caused arising directly or indirectly in connection with, in relation to or arising out of the use of the Content. This article may be used for research, teaching, and private study purposes. Any substantial or systematic reproduction, redistribution, reselling, loan, sub-licensing,
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North American Journal of Fisheries Management
PHABSIM EVALUATION 155.'*'"* X^v- \ v-.^. 2= «= -«>*- - Fic'.i'Rh I. Map of the Catamaran Brook basin. Insets depict the location of the study area and the three study reaches and sampling sites. lor
156 BOURGEOIS ET AL. channel slope is 1.3%. A hydrometric station operated
that site. A few other sites had minor bank erosion, but this did not have any significant influence on PHABSIM EVALUATION 157
158 BOURGEOIS
PHABSJM EVALUATION J59 6 o CD 3500 3000 2500 2000 1500 1000 500 0 5500. 4400! 3300 2200 1100 0 Upstream Reach Riffles Runs ^^K^-^ JD 3 CO CD -C 8000 t^jq» < (L> 6000 Deep Flats 4000 2000, SL» ^ - 0 0.5 1 1 5 a 2.5 3 3.5 Discharge (m 3 - s" 1 ) FIGURE 2. Continued. ues, which were then correlated with juvenile
160 BOURGEOIS ET AL. TABLE 3. Weighed usable area (WUA) estimates (m
PHABS1M EVALUATION 161 2 70T FIGURE 3. Densities (with
162 BOURGEOIS ET AL. TABLE 4. Results of regressions between WUA and Atlantic salmon density for different spatial and temporal scales. For each scenario, the results on the first line indicate the flow scenario (see Table 2 for descriptions) with the highest coefficient of determination (r
TABLE 5. Comparison PHABSIM EVALUATION 163
164 BOURGEOIS
des repercussions du de'tournement des rivieres Pdk- PHABSIM EVALUATION 165
166 BOURGEOIS ET AL. Seber,