October-December 2003

Cover: Aquatic resources have been a critical component of California's growth and prosperity, but scientists warn that human uses have taxed these resources to the limit. Efforts are under way to restore aquatic ecosystems statewide. Above, Mildred Island is a 1,000-acre "lake" formed in 1983 when large storms breached a levee and flooded a farm tract. Located in the interior San Joaquin-Sacramento River Delta, this site represents a shallow-water habitat type that will be constructed by CALFED to promote the recovery of native fish. Research is helping to inform this effort. On page 104, scientists measure supplies of phytoplanton, an essential component of the Delta food web. Also, studies on biomarkers (page 110) aid in understanding how environmental factors affect Delta wildlife. Infared photo by Herb Lingl/aerialarchives.com .

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California Agriculture, October-December 2003

Volume 57, Number 4
Delta resources at risk

peer-reviewed research articles

Phytoplankton fuels Delta food web
by Alan D. Jassby , James E. Cloern , Anke B. Müller-Solger
pp104-109, doi#10.3733/ca.v057n04p104
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Biomarkers aid understanding of aquatic organism responses to environmental stressors
by Inge Werner , Stephen L. Clark , David E. Hinton
pp110-115, doi#10.3733/ca.v057n04p110
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Landscape changes in Nevada County reflect social and ecological transitions
by Peter A. Walker , Sarah J. Marvin , Louise P. Fortmann
pp115-121, doi#10.3733/ca.v057n04p115
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Olive fruit fly populations measured in Central and Southern California
by Richard E. Rice , Phil A. Phillips , Judy Stewart-Leslie , G. Steven Sibbett
pp122-127, doi#10.3733/ca.v057n04p122
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Insecticide treatments disinfest nursery citrus of glassy-winged sharpshooter
by Elizabeth E. Grafton-Cardwell , Christopher A. Reagan , Yuling Ouyang
pp128-131, doi#10.3733/ca.v057n04p128
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Drip irrigation increases tomato yields in salt-affected soil of San Joaquin Valley
by Blaine Hanson , Don May
pp132-137, doi#10.3733/ca.v057n04p132
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Can almond trees directly dictate their irrigation needs?
by David A. Goldhamer , Elias Fereres , Mario Salinas
pp138-144, doi#10.3733/ca.v057n04p138
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editorial, news, letters & science briefs

EDITORIAL: Aquatic resources critical to California's productivity, quality of life
by Christopher M. Dewees
pp98, doi#10.3733/ca.v057n04p98
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California Agriculture readers diverse, well-educated
by Janet White
pp100, doi#10.3733/ca.v057n04p100
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Letters: October-December 2003
From our readers
pp101, doi#10.3733/ca.v057n04p101
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Killer algae under control, for now
Editors
pp102, doi#10.3733/ca.v057n04p102
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Science briefs: October-December 2003
Editors
pp103, doi#10.3733/ca.v057n04p103
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