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Petition to List Lynn Canal Pacific Herring under the Endangered ...

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TABLE OF CONTENTS<br />

Introduction..................................................................................................................................... 1<br />

I. Species Account...................................................................................................................... 2<br />

A. Species Description............................................................................................................. 2<br />

B. Taxonomy ........................................................................................................................... 2<br />

C. Geographic Distribution and Habitat.................................................................................. 3<br />

1. Range-wide Distribution................................................................................................. 3<br />

2. Sou<strong>the</strong>ast Alaska............................................................................................................. 4<br />

3. <strong>Lynn</strong> <strong>Canal</strong> <strong>Herring</strong> ........................................................................................................ 4<br />

a) Summer Feeding Areas............................................................................................... 6<br />

b) Fall Migration ............................................................................................................. 6<br />

c) Wintering Areas.......................................................................................................... 6<br />

d) Pre-spawning Aggregations and Spawning Locations ............................................... 7<br />

e) Larval and Juvenile Rearing Habitat........................................................................... 9<br />

D. Life His<strong>to</strong>ry of <strong>Pacific</strong> <strong>Herring</strong>........................................................................................... 9<br />

1. Reproduction and Development ..................................................................................... 9<br />

2. Feeding Behavior and Diet ........................................................................................... 10<br />

3. Homing, Straying and Site Fidelity .............................................................................. 11<br />

II. Abundance and Trend of <strong>Lynn</strong> <strong>Canal</strong> <strong>Herring</strong> ..................................................................... 13<br />

III. Qualification of <strong>Lynn</strong> <strong>Canal</strong> <strong>Herring</strong> as a Distinct Population Segment <strong>under</strong> <strong>the</strong><br />

<strong>Endangered</strong> Species Act ............................................................................................................... 20<br />

A. The USFWS-NMFS Distinct Population Segment (DPS) Policy..................................... 20<br />

1. Cherry Point <strong>Pacific</strong> <strong>Herring</strong> DPS Determination........................................................ 20<br />

B. Application of <strong>the</strong> DPS Policy <strong>to</strong> <strong>Lynn</strong> <strong>Canal</strong> <strong>Herring</strong>..................................................... 21<br />

C. Discreteness ...................................................................................................................... 22<br />

1. Genetically Distinct ...................................................................................................... 22<br />

2. Physiologically Distinct................................................................................................ 22<br />

3. Morphologically Distinct.............................................................................................. 23<br />

4. Distinct Spawning Time and Location ......................................................................... 24<br />

5. Distinct Wintering and Summer Feeding Location and Migration .............................. 24<br />

D. Significance....................................................................................................................... 26<br />

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