problems and promise of restoring tidal marsh to benefit...

Problems and Promise of Restoring Tidal

Marsh to Benefit Native FishesJohn Durand

Center for Watershed SciencesUC Davis

Delta Science ConferenceNovember 19, 2016

North Delta Habitat Arc

Map: Amber Manfree

S cromento

e 0 10 km

Cosumne Reserv

• W11lnu1 Cr k

CVP & SWP Pumps

Blacklock Restoring Site

Tule Red

Luco Pond/Potrero Club

Map: Amber Manfree

Luco Pond (muted) and Blacklock (2006)

Brian Williamson“Comparing fish and invertebrate assemblages in managed, unmanaged and restoring habitats in a tidal wetland complex”

1.160000 . 2.720000

2. 720001 • 3 620000

3.620001 • 4.690000

4.690001 • 6 730000

s. 730001 • 6 650000

6.650001 • 7 700000

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Blacklock Well pad Seines 1400

1200

1000

800

600

400 -----------------------!Mississippi-200 ------------------------::;, ilverside .-

0 OCT NOV 2013

1400

12()0

1000

800

600

400

200

0

JAN 2014

JAN 2014

DEC FCB

FEB

MAR APR MAY JUN JUL AUG SCP OCT

Luco Pond Seines

thre-€spine stiGklebat;k----

\.,__

MAR APR MAY JUN JUL AUG SEP

yellowfin goby

• tule perch

• Sacramento splittail

shimofuri goby

st riped bass

ral nwater killifish

Mississippi

si lverside

carp

thre.espine

stickleback prickly scl,llpin

• western h1osq uitoffsh

Luco Pond

Blacklock Restoring Site

Meins Landing

Liberty Island Conservation Bank and Preserve“Baby Marsh”

Tule Red

Map: Amber Manfree

North Liberty Is. Conservation Bank (2010)

W ILDLANDS

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... $AA , 2,100 lF

North Liberty Island Conservation Bank

Feb Apr Jun Aug Nov Jan Mar Sep

2015 2016

Shag Slough Trawls

0

4

8

12

16

Feb Apr Jun Aug Nov Jan Mar Aug

2015 2016CP

UE

Baby Marsh Trawls

Nicole Aha“Comparing Restoration Sitesin the Cache Slough Complex”

North Liberty Island Conservation Bank

First Mallard, Suisun Marsh

Denise DeCarion Colombano“Fish nursery areas and migratorycorridors in Suisun Marsh”

Calhoun Cut Ecological Reserve

Tule Red

Map: Amber Manfree

Calhoun Cut Ecological Reserve (2014)

Calhoun Cut

0

15

30

45

60

Sep

Nov Jan

Apr

Jun

Sep

2015 2016

Calhoun Cut Restoration E-Fish

SurveySe

p

Nov Jan

Apr

Jun

Sep

2015 2016

Calhoun Cut E-Fish Survey

Sep

Nov Jan

Apr

Jun

Sep

2015 2016

Lindsey Slough E-Fish Survey

Calhoun Cut

Calhoun Cut

North Bay Aqueduct

Calhoun Cut

North Delta Complex

1. Geomorphic complexity2. Upland Gradient3. Water4. Energy5.Private-Public Partnerships6. Reward Novel Approaches7. Reversible/Configurable8. Cheapest Alternatives9. Experiment and Study10.Connectivity

John’s Tips for Restoration

Knaggs Ranch Nigiri Project

Sac DWSC lock

Little Holland

Baby Marsh

Beaver Ponds

Cache

Jepson Calhoun

Prospect I.

Decker I.

Sherman Lake

Browns I.

Fremont Weir

Montezuma

Meins

Roaring River

Tule Red

JoicePeytonia

Hill Rush Ranch

Bradmore

Blacklock I.

Potrero

North Delta Habitat Arc

Cosumnes

Meins

…and supporters

Thanks to research sponsors …

Thanks to our crewand collaborators:

Co-PI’s:Randy DahlgrenWilliam FleenorEd GrossPeter Moyle

Lab Manager:Teejay O’Rear

Research Specialists:Natasha EkasumaraThomas HandleyChris JasperJennica MoffatXien Wang

Student Assistants:Zihao CaiAmanda JostDaniel Hammond

Graduate Students:Nicole AhaDenise DeCarionJacob Montgomery

Alumni:Kathleen BerridgeAmy ChandosKyle PhillipsMelissa RileyMartin PeralesMatt YoungBrian Williamson

Tule Redd

1.000

Tidal Channel

Transitional Habitat

Mar•h Plain Pond (High)

IJ)))

Brannon Island

First Mallard Slough

Jacob Montgomery“Zooplankton biomass and chlorophyll-a trends in the North Delta Arc”

problems and promise of restoring tidal marsh to benefit...

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