3  Lower Columbia Chinook

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Clark (1993) vitae ante quis dui egestas fringilla ac vitae justo (Ansley and Davis 1981; Collins et al. 1996; Deuel and Clark 1968) . Pellentesque quis magna vel odio malesuada rutrum a volutpat nisl. Aliquam fermentum, urna eget tristique mattis, augue augue tristique ipsum, eget finibus nunc eros non nisi. Phasellus mattis hendrerit sapien, quis accumsan dui pretium eget. Nunc eleifend laoreet urna a luctus. Nulla vel sapien in nulla gravida tempus sit amet a metus. Vivamus porta condimentum tempus. Maecenas rhoncus elit id ultricies scelerisque. In gravida urna in ligula fringilla euismod. Curabitur efficitur porta libero ac fermentum. Cras fringilla et libero at posuere. Curabitur sodales dapibus elit a convallis.

Morbi iaculis eget augue eget facilisis. Etiam non orci dignissim, efficitur purus viverra, pellentesque neque. Aliquam ornare, magna ut dictum mollis, nunc lorem iaculis nibh, eu consequat lectus urna euismod tortor. Etiam ut felis nisl. Nunc quis euismod felis. Vestibulum gravida nisi mi, quis mollis velit ullamcorper non. Aliquam tempus fringilla bibendum. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Fusce viverra nulla elementum libero mollis, quis cursus velit sagittis.

3.1 General location

Morbi iaculis eget augue eget facilisis. Etiam non orci dignissim, efficitur purus viverra, pellentesque neque. Aliquam ornare, magna ut dictum mollis, nunc lorem iaculis nibh, eu consequat lectus urna euismod tortor.

Figure 3.1: Lower Columbia Chinook. Map of the general location of the ESU.

3.2 Recent trends

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Donec vitae ante quis dui egestas fringilla ac vitae justo. Pellentesque quis magna vel odio malesuada rutrum a volutpat nisl. Aliquam fermentum, urna eget tristique mattis, augue augue tristique ipsum, eget finibus nunc eros non nisi. Phasellus mattis hendrerit sapien, quis accumsan dui pretium eget. Nunc eleifend laoreet urna a luctus. Nulla vel sapien in nulla gravida tempus sit amet a metus. Vivamus porta condimentum tempus. Maecenas rhoncus elit id ultricies scelerisque. In gravida urna in ligula fringilla euismod. Curabitur efficitur porta libero ac fermentum. Cras fringilla et libero at posuere. Curabitur sodales dapibus elit a convallis.

Morbi iaculis eget augue eget facilisis. Etiam non orci dignissim, efficitur purus viverra, pellentesque neque. Aliquam ornare, magna ut dictum mollis, nunc lorem iaculis nibh, eu consequat lectus urna euismod tortor. Etiam ut felis nisl. Nunc quis euismod felis. Vestibulum gravida nisi mi, quis mollis velit ullamcorper non. Aliquam tempus fringilla bibendum. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Fusce viverra nulla elementum libero mollis, quis cursus velit sagittis.

Figure 3.2: Lower Columbia Chinook. Log spawner count trends.

3.3 Population raw data

Morbi iaculis eget augue eget facilisis. Etiam non orci dignissim, efficitur purus viverra, pellentesque neque. Aliquam ornare, magna ut dictum mollis, nunc lorem iaculis nibh, eu consequat lectus urna euismod tortor. Etiam ut felis nisl. Nunc quis euismod felis. Vestibulum gravida nisi mi, quis mollis velit ullamcorper non. Aliquam tempus fringilla bibendum. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Fusce viverra nulla elementum libero mollis, quis cursus velit sagittis.

3.3.1 Grays & Chinook R.

Table 3.1: Spawners and fracwild from Grays & Chinook R. (NMFS_POPID 8) for 2000 to 2018.

Year	Spawners	Fracwild
2000	89	-99.000
2001	241	-99.000
2002	78	-99.000
2003	373	-99.000
2004	726	-99.000
2005	122	-99.000
2006	383	-99.000
2007	96	-99.000
2008	95	0.347
2009	555	0.378
2010	170	0.486
2011	416	0.149
2012	160	0.219
2013	1,644	0.055
2014	969	0.191
2015	762	0.289
2016	356	0.226
2017	565	0.523
2018	734	0.702
** data file: LCchinook.csv mod date: Wed Aug 10 17:57:25 2022 -0600
* These spawner counts are from river redd surveys.
flextable

3.3.2 Youngs Bay

Table 3.2: Spawners and fracwild from Youngs Bay (NMFS_POPID 33) for 2012 to 2018.

Year	Spawners	Fracwild
2012	6,686	0.025
2013	8,485	0.048
2014	2,345	0.051
2015	2,026	0.189
2016	768	0.243
2017	1,927	0.097
2018	2,383	0.014
** data file: LCchinook.csv mod date: Wed Aug 10 17:57:25 2022 -0600
* These spawner counts are from river redd surveys.
flextable

3.3.3 Big Ck.

Table 3.3: Spawners and fracwild from Big Ck. (NMFS_POPID 1) for 2012 to 2018.

Year	Spawners	Fracwild
2012	1,096	0.050
2013	946	0.000
2014	2,583	0.016
2015	2,586	0.000
2016	582	0.077
2017	1,279	0.000
2018	12,301	0.009
** data file: LCchinook.csv mod date: Wed Aug 10 17:57:25 2022 -0600
* These spawner counts are from river redd surveys.
flextable

3.3.4 Elochoman R.

Table 3.4: Spawners and fracwild from Elochoman R. (NMFS_POPID 7) for 2000 to 2018.

Year	Spawners	Fracwild
2000	146	-99.000
2001	2,806	-99.000
2002	7,893	-99.000
2003	7,348	-99.000
2004	6,880	-99.000
2005	2,699	-99.000
2006	324	-99.000
2007	168	-99.000
2008	1,320	-99.000
2009	1,467	-99.000
2010	1,260	0.108
2011	1,083	0.058
2012	206	0.301
2013	448	0.178
2014	680	0.220
2015	989	0.237
2016	368	0.249
2017	114	0.677
2018	77	0.643
** data file: LCchinook.csv mod date: Wed Aug 10 17:57:25 2022 -0600
* These spawner counts are from river redd surveys.
flextable

3.3.5 Clatskanie R.

Table 3.5: Spawners and fracwild from Clatskanie R. (NMFS_POPID 5) for 2002 to 2018.

Year	Spawners	Fracwild
2002	389	0.10
2003	475	0.10
2004	110	0.10
2005	101	0.10
2006	42	0.10
2007	94	0.10
2008	94	0.10
2009	167	0.56
2010	103	0.12
2011	152	0.08
2012	80	0.10
2013	39	0.08
2014	76	0.09
2015	76	0.09
2016	76	0.06
2017	0	-99.00
2018	76	0.01
** data file: LCchinook.csv mod date: Wed Aug 10 17:57:25 2022 -0600
* These spawner counts are from river redd surveys.
flextable

3.3.6 Mill/Abernathy/Germany Ck.

Table 3.6: Spawners and fracwild from Mill/Abernathy/Germany Ck. (NMFS_POPID 17) for 2000 to 2018.

Year	Spawners	Fracwild
2000	370	-99.000
2001	3,860	-99.000
2002	3,299	-99.000
2003	3,792	-99.000
2004	4,611	-99.000
2005	2,066	-99.000
2006	622	-99.000
2007	335	-99.000
2008	780	-99.000
2009	604	-99.000
2010	2,410	0.065
2011	1,192	0.079
2012	147	0.143
2013	657	0.194
2014	554	0.062
2015	989	0.081
2016	397	0.219
2017	95	0.174
2018	14	0.394
** data file: LCchinook.csv mod date: Wed Aug 10 17:57:25 2022 -0600
* These spawner counts are from river redd surveys.
flextable

3.3.7 Low. Cowlitz R.

Table 3.7: Spawners and fracwild from Low. Cowlitz R. (NMFS_POPID 15) for 2000 to 2018.

Year	Spawners	Fracwild
2000	2,363	-99.000
2001	4,652	-99.000
2002	13,514	-99.000
2003	10,048	-99.000
2004	4,466	-99.000
2005	2,870	-99.000
2006	2,944	-99.000
2007	1,847	-99.000
2008	1,828	-99.000
2009	2,602	-99.000
2010	3,734	0.683
2011	3,685	0.745
2012	2,725	0.570
2013	4,320	0.805
2014	4,347	0.672
2015	5,981	0.700
2016	3,885	0.741
2017	3,630	0.806
2018	3,553	0.845
** data file: LCchinook.csv mod date: Wed Aug 10 17:57:25 2022 -0600
* These spawner counts are from river redd surveys.
flextable

3.3.8 Coweeman R.

Table 3.8: Spawners and fracwild from Coweeman R. (NMFS_POPID 6) for 2000 to 2018.

Year	Spawners	Fracwild
2000	290	-99.000
2001	802	-99.000
2002	877	-99.000
2003	1,106	-99.000
2004	1,503	-99.000
2005	853	-99.000
2006	566	-99.000
2007	251	-99.000
2008	424	-99.000
2009	783	-99.000
2010	584	0.707
2011	707	0.881
2012	526	0.882
2013	2,322	0.675
2014	830	0.957
2015	1,391	0.977
2016	439	0.936
2017	841	0.857
2018	244	0.884
** data file: LCchinook.csv mod date: Wed Aug 10 17:57:25 2022 -0600
* These spawner counts are from river redd surveys.
flextable

3.3.9 Toutle R.

Table 3.9: Spawners and fracwild from Toutle R. (NMFS_POPID 25) for 2000 to 2018.

Year	Spawners	Fracwild
2000	879	-99.000
2001	4,971	-99.000
2002	7,896	-99.000
2003	13,943	-99.000
2004	4,711	-99.000
2005	3,303	-99.000
2006	5,752	-99.000
2007	1,149	-99.000
2008	1,725	-99.000
2009	539	-99.000
2010	1,917	0.119
2011	1,498	0.132
2012	907	0.259
2013	1,754	0.521
2014	783	0.514
2015	598	0.632
2016	803	0.461
2017	594	0.529
2018	244	0.571
** data file: LCchinook.csv mod date: Wed Aug 10 17:57:25 2022 -0600
* These spawner counts are from river redd surveys.
flextable

3.3.10 Up. Cowlitz R.

Table 3.10: Spawners and fracwild from Up. Cowlitz R. (NMFS_POPID 27) for 2000 to 2018.

Year	Spawners	Fracwild
2000	1	-99.000
2001	3,646	-99.000
2002	6,113	-99.000
2003	4,165	-99.000
2004	2,145	-99.000
2005	2,901	-99.000
2006	1,782	-99.000
2007	1,325	-99.000
2008	1,845	-99.000
2009	7,491	-99.000
2010	9,808	0.215
2011	12,914	0.330
2012	5,564	0.350
2013	6,488	0.505
2014	6,231	0.363
2015	5,647	0.598
2016	3,959	0.774
2017	1,520	0.983
2018	674	0.923
2014	2,915	0.078
2015	14,981	0.012
2016	11,946	0.017
2017	6,260	0.024
2018	779	0.198
** data file: LCchinook.csv mod date: Wed Aug 10 17:57:25 2022 -0600
* These spawner counts are from river redd surveys.
flextable

3.3.11 Kalama R.

Table 3.11: Spawners and fracwild from Kalama R. (NMFS_POPID 11) for 2000 to 2019.

Year	Spawners	Fracwild
2000	1,420	-99.000
2001	3,613	-99.000
2002	18,809	-99.000
2003	24,710	-99.000
2004	6,612	-99.000
2005	9,168	-99.000
2006	10,386	-99.000
2007	3,296	-99.000
2008	3,734	-99.000
2009	7,546	-99.000
2010	5,315	0.112
2011	7,591	0.056
2012	7,477	0.039
2013	8,487	0.096
2014	9,451	0.081
2015	6,423	0.451
2016	4,226	0.602
2017	3,041	0.570
2018	2,548	0.647
2000	33	-99.000
2001	555	-99.000
2002	886	-99.000
2003	756	-99.000
2004	352	-99.000
2005	380	-99.000
2006	292	-99.000
2007	3,469	0.011
2008	352	0.168
2009	80	1.000
2010	46	1.000
2011	172	1.000
2012	81	1.000
2013	107	1.000
2014	55	1.000
2015	31	1.000
2016	28	1.000
2017	60	1.000
2018	57	1.000
2019	52	1.000
** data file: LCchinook.csv mod date: Wed Aug 10 17:57:25 2022 -0600
* These spawner counts are from river redd surveys.
flextable

3.3.12 Lewis R.

Table 3.12: Spawners and fracwild from Lewis R. (NMFS_POPID 14) for 2000 to 2019.

Year	Spawners	Fracwild
2000	1,689	-99.000
2001	4,132	-99.000
2002	5,224	-99.000
2003	6,518	-99.000
2004	2,171	-99.000
2005	2,536	-99.000
2006	1,332	-99.000
2007	1,012	-99.000
2008	1,256	-99.000
2009	2,437	-99.000
2010	2,490	0.640
2011	2,364	0.707
2012	1,950	0.677
2015	7,653	0.453
2016	4,854	0.456
2017	3,781	0.527
2018	2,243	0.633
2019	2,020	0.735
** data file: LCchinook.csv mod date: Wed Aug 10 17:57:25 2022 -0600
* These spawner counts are from river redd surveys.
flextable

3.3.13 Sandy R.

Table 3.13: Spawners and fracwild from Sandy R. (NMFS_POPID 20) for 2000 to 2019.

Year	Spawners	Fracwild
2009	3,128	-99.000
2010	1,713	-99.000
2011	1,635	-99.000
2012	570	-99.000
2013	2,489	-99.000
2014	565	-99.000
2015	2,006	-99.000
2016	1,281	-99.000
2017	1,403	-99.000
2018	4,347	-99.000
2019	2,449	-99.000
2000	363	0.237
2001	3,510	0.237
2002	5,463	0.237
2003	3,993	0.237
2004	2,524	0.237
2005	3,998	0.237
2006	5,359	0.237
2013	2,413	0.907
2014	1,658	0.871
2015	3,023	0.885
2016	3,615	0.952
2017	5,706	0.915
2018	2,900	0.913
** data file: LCchinook.csv mod date: Wed Aug 10 17:57:25 2022 -0600
* These spawner counts are from river redd surveys.
flextable

3.3.14 Clackamas R.

Table 3.14: Spawners and fracwild from Clackamas R. (NMFS_POPID 4) for 2012 to 2018.

Year	Spawners	Fracwild
2012	321	0.187
2013	422	0.924
2014	183	0.694
2015	308	0.623
2016	910	0.781
2017	90	0.378
2018	709	0.949
** data file: LCchinook.csv mod date: Wed Aug 10 17:57:25 2022 -0600
* These spawner counts are from river redd surveys.
flextable

3.3.15 Washougal R.

Table 3.15: Spawners and fracwild from Washougal R. (NMFS_POPID 30) for 2000 to 2018.

Year	Spawners	Fracwild
2000	2,078	-99.000
2001	3,836	-99.000
2002	5,725	-99.000
2003	3,440	-99.000
2004	10,404	-99.000
2005	2,671	-99.000
2006	2,600	-99.000
2007	1,528	-99.000
2008	2,491	-99.000
2009	2,741	-99.000
2010	5,530	0.107
2011	3,224	0.146
2012	965	0.262
2013	3,612	0.331
2014	1,529	0.653
2015	2,925	0.456
2016	2,198	0.400
2017	1,112	0.592
2018	1,019	0.886
** data file: LCchinook.csv mod date: Wed Aug 10 17:57:25 2022 -0600
* These spawner counts are from river redd surveys.
flextable

3.3.16 Lewis R. Bright

Table 3.16: Spawners and fracwild from Lewis R. Bright (NMFS_POPID 13) for 2000 to 2018.

Year	Spawners	Fracwild
2000	8,741	-99
2001	11,274	-99
2002	13,293	-99
2003	12,912	-99
2004	12,928	-99
2005	9,775	-99
2006	5,066	-99
2007	3,708	-99
2008	5,485	-99
2009	6,283	-99
2010	9,294	1
2011	8,205	1
2012	8,143	1
2013	17,022	1
2014	20,489	1
2015	18,635	1
2016	9,311	1
2017	7,149	1
2018	4,671	1
** data file: LCchinook.csv mod date: Wed Aug 10 17:57:25 2022 -0600
* These spawner counts are from river redd surveys.
flextable

3.3.17 NF Lewis R.

Table 3.17: Spawners and fracwild from NF Lewis R. (NMFS_POPID 18) for 2000 to 2018.

Year	Spawners	Fracwild
2000	473	-99
2001	678	-99
2002	493	-99
2003	679	-99
2004	494	-99
2005	116	-99
2006	847	-99
2007	264	-99
2008	25	-99
2009	58	-99
2010	157	-99
2011	90	-99
2012	190	-99
2013	60	-99
2014	403	-99
2015	147	-99
2016	49	-99
2017	68	-99
2018	326	-99
** data file: LCchinook.csv mod date: Wed Aug 10 17:57:25 2022 -0600
* These spawner counts are from river redd surveys.
flextable

3.3.18 Low. Gorge Tribs.

Table 3.18: Spawners and fracwild from Low. Gorge Tribs. (NMFS_POPID 16) for 2000 to 2018.

Year	Spawners	Fracwild
2000	681	-99.000
2001	653	-99.000
2002	1,796	-99.000
2003	1,503	-99.000
2004	1,724	-99.000
2005	1,346	-99.000
2006	3,282	-99.000
2007	552	-99.000
2008	497	-99.000
2009	609	-99.000
2010	670	0.954
2011	1,246	0.948
2012	671	0.941
2013	1,554	0.782
2014	1,451	0.820
2015	1,569	0.921
2016	8,514	0.968
2017	2,268	0.971
2018	16,221	0.988
** data file: LCchinook.csv mod date: Wed Aug 10 17:57:25 2022 -0600
* These spawner counts are from river redd surveys.
flextable

3.3.19 Up. Gorge Tribs.

Table 3.19: Spawners and fracwild from Up. Gorge Tribs. (NMFS_POPID 29) for 2000 to 2018.

Year	Spawners	Fracwild
2000	105	-99.000
2001	868	-99.000
2002	621	-99.000
2003	3,670	-99.000
2004	3,099	-99.000
2005	656	-99.000
2006	466	-99.000
2007	701	-99.000
2008	651	-99.000
2009	661	-99.000
2010	565	0.781
2011	3,084	0.369
2012	1,090	0.309
2013	2,239	0.272
2014	2,191	0.246
2015	3,826	0.320
2016	1,231	0.442
2017	697	0.826
2018	303	0.716
** data file: LCchinook.csv mod date: Wed Aug 10 17:57:25 2022 -0600
* These spawner counts are from river redd surveys.
flextable

3.3.20 Big White Salmon R.

Table 3.20: Spawners and fracwild from Big White Salmon R. (NMFS_POPID 31) for 2000 to 2018.

Year	Spawners	Fracwild
2000	147	-99.000
2001	1,668	-99.000
2002	1,787	-99.000
2003	11,480	-99.000
2004	8,691	-99.000
2005	1,448	-99.000
2006	755	-99.000
2007	898	-99.000
2008	770	-99.000
2009	964	-99.000
2010	1,887	0.725
2011	723	0.885
2012	593	0.936
2013	984	0.658
2014	1,034	0.775
2015	773	0.485
2016	565	0.680
2017	747	0.538
2018	194	0.568
2013	88	0.170
2014	217	0.097
2015	94	0.160
2016	54	0.111
2017	15	0.333
2018	82	0.110
** data file: LCchinook.csv mod date: Wed Aug 10 17:57:25 2022 -0600
* These spawner counts are from river redd surveys.
flextable

Ansley, H. L. H., and C. D. Davis. 1981. “Migration and Standing Stock of Fishes Associated with Artificial and Natural Reefs on Georgia’s Outer Continental Shelf.” Brunswick, Georgia, USA.

Clark, W. G. 1993. “The Effect of Recruitment Variability on the Choice of a Target Level of Spawning Biomass Per Recruit.” In, 233246. Alaska Sea Grant College Program AKSG9302.

Collins, M. R., S. B. Van Sant, D. J. Schmidt, and G. R. Sedberry. 1996. “Age Validation, Movements, and Growth Rates of Tagged Gag (Mycteroperca Microlepis), Black Sea Bass (Centropristis Striata) and Red Porgy (Pagrus Pagrus).” In, edited by F. Arrequin-Sanchez, J. L. Munro, M. C. Balgos, and D. Pauly, 161–65. Makati City, Philippines: ICLARM (International Center for Living Aquatic Resources Management).

Deuel, D. G., and J. R. Clark. 1968. “The 1965 Salt-Water Angling Survey.”