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Overview of Chum salmon Diversity on North Coast

Graphic below from

FishWizard

Chum Salmon

DIVERSITY

–“benign neglect”??

Or are we loosing CHUM diversity and not noticing??

Alaskan work implies > diversity than expected
(see graphic below)

And a look at run timing suggests 3 different groups in Area 5 (table below)

The “outer Banks groups” looks especially distinct

An Earlier look at diversity using protein differences found 6 stocks in AK BC (see below left)

Note relative uniqueness of Prince of Wales – these Islands just north of Canadian _US Border

	Graph of area 5 by stream system over time

RUN TIMING Patterns

I have pasted these from a XLS file taken from individual stream reports in FishWizard

Some of these look to simply be mistakes

But by inspection looks to be at least 3 different groups based upon run timing (early, mid, & late)

Some of these runs are prime candidates for DNA work plus need more basic biology

Note how the most aberrant are from similar areas – e.g., Outer Banks (915-560000)

Watershed code	stream	salmon		Jul		Aug		Sep		Oct
915-742200-93300	Ryan Creek	Chum Salmon	Migration				X	X	X
915-742200-93300	Ryan Creek	Chum Salmon	Spawning						P
915-742200-87800	Shaw Creek	Chum Salmon	Migration				X
915-742200-87800	Shaw Creek	Chum Salmon	Spawning						P
915-563500-55400	Stewart	Chum Salmon	Migration				X
915-563500-55400	Stewart	Chum Salmon	Spawning						P
915-560200-75800	Pa-aat	Chum Salmon	Migration				X	X
915-560200-75800	Pa-aat	Chum Salmon	Spawning						P
915-560200-61400	Newcombe Harbour Creek	Chum Salmon	Migration				X	X
915-560200-61400	Newcombe Harbour Creek	Chum Salmon	Spawning						P
915-560200-53500	Hevenor inlet	Chum Salmon	Migration				X	X
915-560200-53500	Hevenor inlet	Chum Salmon	Spawning						P
915-560200-46300	Markle	Chum Salmon	Migration					X	X
915-560200-46300	Markle	Chum Salmon	Spawning							P
915-560200-42000	Wilson creek	Chum Salmon	Migration			X	X
915-560200-42000	Wilson creek	Chum Salmon	Spawning						P
915-560000-78400	Kooryet	Chum Salmon	Migration				X	X
915-560000-78400	Kooryet	Chum Salmon	Spawning						P
915-560000-46900	Skull	Chum Salmon	Migration				X	X	X
915-560000-46900	Skull	Chum Salmon	Spawning						P
915-560000-37600	Bonilla lakes	Chum Salmon	Migration				X	X	X
915-560000-37600	Bonilla lakes	Chum Salmon	Spawning						P
915-560000-37600	Kingkown inlet	Chum Salmon	Migration			X
915-560000-37600	Kingkown inlet	Chum Salmon	Spawning				X	X	X
910-769900	North Kumealon	Chum Salmon	Migration		X
910-769900	North Kumealon	Chum Salmon	Spawning			X	X	X	X
910-768900	Kumealon	Chum Salmon	Migration				X
910-768900	Kumealon	Chum Salmon	Spawning						P
910-736000	Belowe	Chum Salmon	Migration					X	X
910-736000	Belowe	Chum Salmon	Spawning							P
910-713900	Quaal R	Chum Salmon	Migration				X	X	X
910-713900	Quaal R	Chum Salmon	Spawning						P
910-713300	Kitkiata creek	Chum Salmon	Migration				X	X	X
910-713300	Kitkiata creek	Chum Salmon	Spawning						P

AREA 5

Methods	The above table was selected from the 48 systems reported in Area 5 with chum salmon. Either main producers or systems that have high Sockeye or Pinks were used; data was then sorted by watershed codes
	Each stream listed 2x so as to allow sorting of migrations and spawning independently.

Top ten systems for Chum escapement ranked in order

Sub area	System
OUTSIDE BANKS ISLAND	KINGKOWN INLET SYSTEM
LOWER GRENVILLE CHANNEL	BELOWE CREEK
LOWER GRENVILLE CHANNEL	STEWART CREEK
PETREL CHANNEL/ALA PASS	WILSON CREEK
OUTSIDE BANKS ISLAND	RAWLINSON CREEK
OUTSIDE BANKS ISLAND	SKULL CREEK
LOWER GRENVILLE CHANNEL	TSIMTACK LAKE SYSTEM
LOWER GRENVILLE CHANNEL	LAGOON CREEK
PETREL CHANNEL/ALA PASS	MARKLE INLET CREEK
PETREL CHANNEL/ALA PASS	HEVENOR INLET CREEK

Created on September 20^th

Last updated on 9/25/02 11:10 AM