GMSMON-17 WILLISTON RESERVOIR TRIBUTARY - BC Hydro

Table of Contents
May 22, 2012
Report No. 1114920016-R-Rev0-2000 vi
GMSMON-17 WILLISTON RESERVOIR TRIBUTARY HABITAT
REVIEW
1.0 INTRODUCTION ............................................................................................................................................................... 1
1.1 Scope, Objectives, Management Questions and Hypotheses ............................................................................. 2
1.1.1 Fish Surveys .................................................................................................................................................. 3
1.1.2 Amphibian Inventory and Abundance ............................................................................................................ 4
1.1.3 Songbird Inventory and Abundance ............................................................................................................... 5
1.1.4 Vegetation ...................................................................................................................................................... 5
1.2 Study Area ........................................................................................................................................................... 6
2.0 METHODS ........................................................................................................................................................................ 6
2.1 Fish surveys......................................................................................................................................................... 6
2.1.1 Spawner surveys............................................................................................................................................ 6
2.1.2 Juvenile and Small-Bodied Fish Surveys ....................................................................................................... 7
2.1.2.1 Sampling Sites ............................................................................................................................................ 7
2.1.2.2 Multiple-removal depletion electrofishing surveys....................................................................................... 7
2.1.3 Fish Data Analysis ....................................................................................................................................... 10
2.2 Amphibian Surveys ............................................................................................................................................ 10
2.3 Bird Surveys ...................................................................................................................................................... 10
2.4 Vegetation Surveys ............................................................................................................................................ 11
3.0 RESULTS ....................................................................................................................................................................... 12
3.1 Climate Data ...................................................................................................................................................... 12
3.2 Fish surveys....................................................................................................................................................... 14
3.2.1 Spawner surveys.......................................................................................................................................... 15
3.2.1.1 First site visit (May 9 to 18, 2011) ............................................................................................................. 15
3.2.1.2 Second site visit (7 to 8 June, 2011) ......................................................................................................... 15
3.2.2 Juvenile and Small-Bodied Fish Surveys (8 to 18 August, 2011) ................................................................. 15
3.2.2.1 Six Mile Creek........................................................................................................................................... 16
3.2.2.2 Lamonti Creek .......................................................................................................................................... 16
3.2.2.3 Factor Ross Creek .................................................................................................................................... 16
3.2.2.4 Ole Creek ................................................................................................................................................. 16
3.3 Amphibian Surveys ............................................................................................................................................ 17