San Francisco Estuary and Watershed Science

eScholarship stats: History by Item for April through July, 2026

Item	Title	Total requests	2026-07	2026-06	2026-05	2026-04
2b87w198	Long-Term Trends in Seasonality and Abundance of Three Key Zooplankters in the Upper San Francisco Estuary	1,012	163	241	319	289
1h7375k3	The Anatomy of a Drought in the Upper San Francisco Estuary: Water Quality and Lower-Trophic Responses to Multi-Year Droughts Over a Long-Term Record (1975-2021)	835	142	213	260	220
59v4k4k3	Considerations for the Development of a Juvenile Production Estimate for Central Valley Spring-Run Chinook Salmon	822	119	209	267	227
157618mx	Recent Findings and Future Prospects for Water Quality Effects from Catastrophic Wildfires in California, USA	789	140	192	231	226
5qh251f3	A Framework for Evaluating the Effects of Reduced Spatial or Temporal Monitoring Effort	754	118	197	232	207
21v9x1t7	Central Valley Salmon: A Perspective on Chinook and Steelhead in the Central Valley of California	685	119	203	194	169
8x7358kq	A Survey of X2 Isohaline Empirical Models for the San Francisco Estuary	611	103	144	200	164
1kw1d94p	Atmospheric Rivers and Floods in California’s Changing Hydroclimate	605	95	176	182	152
0dh783r5	Modeling Delta Smelt Distribution for Hypothesized Swimming Behaviors	593	111	137	190	155
1sk1c7pk	Dry Me a River: Ecological Effects of Drought in the Upper San Francisco Estuary	572	101	136	179	156
09k9f76s	Delta Smelt: Life History and Decline of a Once-Abundant Species in the San Francisco Estuary	563	125	86	219	133
9bp499mv	Open Water Processes of the San Francisco Estuary: From Physical Forcing to Biological Responses	556	82	120	231	123
36t9s0mp	Factors and Processes Affecting Delta Levee System Vulnerability	553	124	145	166	118
0725n5vk	Critical Assessment of the Delta Smelt Population in the San Francisco Estuary, California	530	84	125	206	115
6qm300mc	Restoring the Heart of a Healthy Estuary: A Review of Restoration in the Sacramento–San Joaquin Delta and Suisun Marsh	519	84	86	175	174
77g3b02c	Wetland Availability and Salinity Concentrations for Breeding Waterfowl in Suisun Marsh, California	519	81	110	169	159
4k44725p	Subsidence, Sea Level Rise, and Seismicity in the Sacramento–San Joaquin Delta	491	106	110	146	129
7xd4x0xw	Historic, Recent, and Future Subsidence, Sacramento-San Joaquin Delta, California, USA	480	73	127	161	119
9h8305jf	Concentrations, Loads, and Associated Trends of Nutrients Entering the Sacramento–San Joaquin Delta, California	479	79	117	149	134
3653x9xc	Framework for Assessing Viability of Threatened and Endangered Chinook Salmon and Steelhead in the Sacramento–San Joaquin Basin	477	78	81	158	160
891144f4	Trends in the Sediment Yield of the Sacramento River, California, 1957–2001	474	66	113	175	120
7sb7440w	Benefits and Economic Costs of Managed Aquifer Recharge in California	456	63	96	164	133
9rw9b5tj	Predation on Fishes in the Sacramento–San Joaquin Delta: Current Knowledge and Future Directions	454	78	96	130	150
1dz769db	Status, Trends, and Drivers of Harmful Algal Blooms Along the Freshwater-to-Marine Gradient in the San Francisco Bay–Delta System	453	54	97	156	146
1zg5s96r	Delta Blue(green)s: The Effect of Drought and Drought-Management Actions on <em>Microcystis</em> in the Sacramento–San Joaquin Delta	452	76	103	147	126
5hv289t9	Marsh Sediment in Translation: A Review of Sediment Transport Across a Natural Tidal Salt Marsh in Northern San Francisco Bay	430	83	102	121	124
5dd3n9x3	Tidal Wetland Restoration in San Francisco Bay: History and Current Issues	426	55	102	139	130
2r71j15r	Climate Change and the Delta	421	84	86	141	110
2v20x6zp	Invasive Aquatic Vegetation in the Sacramento–San Joaquin Delta and Suisun Marsh: The History and Science of Control Efforts and Recommendations for the Path Forward	416	69	113	127	107
7v92h6fs	Losses of Sacramento River Chinook Salmon and Delta Smelt to Entrainment in Water Diversions in the Sacramento–San Joaquin Delta	415	64	99	141	111
86m0g5sz	The Spawning Migration of Delta Smelt in the Upper San Francisco Estuary	413	71	82	135	125
1pd2q7sx	A Bioenergetics Approach to Setting Conservation Objectives for Non-Breeding Shorebirds in California’s Central Valley	409	72	74	143	120
3408m651	Climate and Land-Use Controls on Surface Water Diversions in the Central Valley, California	406	49	77	173	107
3jr7z162	Hourly Analyses of the Large Storms and Atmospheric Rivers that Provide Most of California’s Precipitation in Only 10 to 100 Hours per Year	405	75	94	135	101
5j76502x	Subsidence Reversal in a Re-established Wetland in the Sacramento-San Joaquin Delta, California, USA	402	83	101	117	101
1vz9b8zx	The Contribution of Managed Floodplains to the Recovery of Salmon in California: Challenges and Opportunities	398	164	234
5xd3q8tx	Long-Term Trends in Summertime Habitat Suitability for Delta Smelt, <em>Hypomesus transpacificus</em>	394	61	47	198	88
15j0b0z4	Mercury-Contaminated Hydraulic Mining Debris in San Francisco Bay	393	74	81	137	101
7237t9xn	Temporal Trends in Hatchery Releases of Fall-Run Chinook Salmon in California's Central Valley	393	53	103	129	108
855742qk	Introduction of Bluefin Killifish <em>Lucania goodei</em> into the Sacramento-San Joaquin Delta	391	42	127	128	94
1147j4nz	The Role of Tidal Marsh Restoration in Fish Management in the San Francisco Estuary	387	40	97	160	90
7x65r0tf	Three-Dimensional Modeling of Hydrodynamics and Salinity in the San Francisco Estuary: An Evaluation of Model Accuracy, X2, and the Low–Salinity Zone	387	58	129	109	91
0kf0d32x	Habitat Variability and Complexity in the Upper San Francisco Estuary	386	75	69	146	96
52m780xj	Contaminant Effects on California Bay–Delta Species and Human Health	385	56	129	116	84
0p01q99s	Macroinvertebrate Prey Availability and Fish Diet Selectivity in Relation to Environmental Variables in Natural and Restoring North San Francisco Bay Tidal Marsh Channels	384	69	101	121	93
43w4j002	Investigation of Floating Peat Wetlands, Sacramento–San Joaquin Delta, California	378	67	84	127	100
6x45n457	Synthesizing Relationships Between Winter-Run Chinook Salmon Out-Migration Survival and Water Operations in the Sacramento–San Joaquin Delta	378	51	57	124	146
7n14h0pq	Heatwaves and Rising Temperatures in the Upper San Francisco Estuary: Trends and Effects on Ecosystems and Humans	375	70	70	122	113
0b3731ph	Effects of Drought and the Emergency Drought Barrier on the Ecosystem of the California Delta	374	64	81	125	104
3nd0r71d	Challenges Facing the Sacramento–San Joaquin Delta: Complex, Chaotic, or Simply Cantankerous?	374	73	71	127	103

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