The influence of mosquito control recirculation ditches on plant biomass, production and composition in two San Francisco Bay salt marshes

Balling, Steven S.; Resh, Vincent H.

doi:10.1016/0272-7714(83)90137-3

Cited by 23 publications

(10 citation statements)

References 9 publications

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“…Artificial mosquitocontrol ditches might be expected to influence drainage and salinity in a manner similar to natural tidal channels, and biomass was found to be greater next to these ditches (Balling and Resh 1983). However, Balling and Resh (1983) found lower productivity next to a natural channel compared to productivity on the marsh plain and along a mosquito ditch. This effect could be due to lack of replication, since only one site within one marsh was sampled.…”

Section: Discussionmentioning

confidence: 91%

“…In San Francisco Bay Estuary marshes, for example, poorly-drained areas away from tidal channels had greater salinity levels than those located in areas with frequent tidal flushing (Figs. 2 and 3;Ustin et al 1982;Balling and Resh 1983). Regionally, salinity decreases with distance from the Pacific Ocean in the Estuary, and, within a site, decreases with frequency of tidal flushing.…”

Section: Discussionmentioning

confidence: 94%

“…Sarcocornia pacifica has a high salt tolerance (Barbour and Davis 1970) and a broad elevation range (L. Schile, unpublished data). Despite the fact that S. pacifica is the dominant plant in Pacific coast salt marshes and other similar perennial shrubs dominate many Mediterranean-type marshes, only a small number of studies have addressed productivity of perennial halophytic shrubs in tidal marshes (e.g., Mahall and Park 1976a;Balling and Resh 1983;Curco et al 2002;Scarton et al 2002). Considering that primary productivity is an important metric of ecosystem services, and that few papers have examined the combined effects of salinity and inundation on plant productivity in Mediterranean-type salt marshes, we investigated primary production both within a site and at a broader landscape context to add to our understanding of this basic ecosystem function.…”

Section: Introductionmentioning

confidence: 98%

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Salinity and Inundation Influence Productivity of the Halophytic Plant Sarcocornia pacifica

et al. 2011

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Salinity and inundation influence both wetland plant species diversity and productivity and are likely to change with predicted climate change. We investigated the degree to which these factors affect aboveground annual net primary production (ANPP) of pickleweed, Sarcocornia pacifica, at three tidal marshes spanning a salinity gradient in the San Francisco Bay Estuary, California, USA, including two natural marshes and one restored marsh. We collected S. pacifica biomass four times throughout the growing season, with roughly half of the collections in well-drained areas near channels and half away from channels, in areas of poor drainage. We examined the effects of site, channel drainage, and pore-water salinity on ANPP. Plots in well-drained areas had significantly greater biomass than those in poorly-drained areas. Most striking was the interaction between soil salinity and marsh drainage on aboveground productivity; salinity had a strong negative impact on ANPP in poorly-drained plots but had no effect in well-drained plots. In a recently-restored brackish marsh, productivity decreased with increasing distance to the nearest channel. These results suggest that within site hydrological dynamics have a strong influence over S. pacifica ANPP, with potential implications for the likely effects of shifts in salinity and inundation associated with climate change.

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Section: Discussionmentioning

confidence: 91%

Section: Discussionmentioning

confidence: 94%

Section: Introductionmentioning

confidence: 98%

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Salinity and Inundation Influence Productivity of the Halophytic Plant Sarcocornia pacifica

et al. 2011

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“…Reduced water-table depths could result either from intentional drawdown of managed marshes or from the construction of canals and ditches. We are unaware of how canals have affected water-table depths in Louisiana marshes, but elsewhere, canals and mosquito ditches have lowered the water table in some marshes and increased flooding in others (sep Balling and Resh 1983). Managed marshes are sometimes intentionally drawn down to promote seed germination of annuals, but we are unaware of how water-table depths are affected in the marsh interior.…”

Section: Discussionmentioning

confidence: 99%

CO²emission and soil Eh responses to different hydrological conditions in fresh, brackish, and saline marsh soils

Nyman

DeLaune

1991

Limnology & Oceanography

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The effects of various water-table depths during continuous and simulated tidal drainage on CO, emissions and soil Eh were examined in intact fresh, brackish, and saline marsh soil cores. CO, emissions did not differ between continuous and tidal drainage. CO, emissions were greatest in fresh cores and least in brackish cores at all water-table depths tested. Eh was higher in brackish cores and lower in fresh and saline cores at all water-table depths tested. Eh increased with decreasing water-table depth and increased more during continuous drainage than during tidal drainage. These results exclude the possibility that reported differences in field measurements of CO, emission among fresh, brackish, and saline marsh soils relate to different hydrological conditions in the marsh types; they also mdicate that fundamental differences in decomposition processes and soil Eh exist among these marsh types. Although not tested, differences were attributed to the different species of emergent vegetation occupying the different marsh types and which arc the sources of soil organic matter.

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“…However, away from the shore or large tidal channels, sediment salinity is concentrated by evaporation (Balling and Resh, 1983;Watson and Byrne, 2009). In this study, we found marsh-plain sediment salinity to often be up to orders of magnitude more-and more greatly variable-than sediment salinity found streamside (Watson and Byrne, 2009).…”

Section: Discussionmentioning

confidence: 91%

Recent (1975–2004) Vegetation Change in the San Francisco Estuary, California, Tidal Marshes

Watson

Byrne

2012

Journal of Coastal Research

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The establishment and monitoring of vegetation plots provide unique information on the spatiotemporal dynamics of plant distributions. In 1975, U.S. Geological Survey (USGS) scientists Atwater and Hedel established vegetation transects at six tidal marshes spanning the salinity gradient of the San Francisco Estuary, California, to establish a baseline against which future vegetation changes could be measured. Since 1975, estuarine salinity has increased because of water diversion, whereas sea level has risen at rates that exceed late-Holocene background levels. During the summers of 2003-04, we reoccupied these transects and measured plant composition to better understand the response of marsh vegetation to these hydrologic changes. Our results indicate that during the past 30 years, Sarcocornia pacifica, the most salt-tolerant plant species, increased in cover, whereas Schoenoplectus californicus, the least salt-tolerant plant species, decreased in cover. We hypothesize that increasing estuarine salinity resulted in these shifts. Additionally, Distichlis spicata has experienced large-scale replacement, predominantly by Schoenoplectus americanus. Because Distichlis spicata was found to be associated most strongly with high relative marsh elevations, we hypothesize that the decline in this species is a consequence of accelerated sea level rise. The vegetation changes observed in San Francisco Estuary marshes reported here are consistent throughout the estuary and have been observed in other studies and, therefore, serve as a guide to better understand the consequences of anthropogenically driven environmental change to estuarine wetlands.www.JCRonline.org ADDITIONAL INDEX WORDS: Submerging coastal marsh, sea-level rise, salinity, plant community, spatial patterns.

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The influence of mosquito control recirculation ditches on plant biomass, production and composition in two San Francisco Bay salt marshes

Cited by 23 publications

References 9 publications

Salinity and Inundation Influence Productivity of the Halophytic Plant Sarcocornia pacifica

Salinity and Inundation Influence Productivity of the Halophytic Plant Sarcocornia pacifica

CO²emission and soil Eh responses to different hydrological conditions in fresh, brackish, and saline marsh soils

Recent (1975–2004) Vegetation Change in the San Francisco Estuary, California, Tidal Marshes

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The influence of mosquito control recirculation ditches on plant biomass, production and composition in two San Francisco Bay salt marshes

Cited by 23 publications

References 9 publications

Salinity and Inundation Influence Productivity of the Halophytic Plant Sarcocornia pacifica

Salinity and Inundation Influence Productivity of the Halophytic Plant Sarcocornia pacifica

CO2emission and soil Eh responses to different hydrological conditions in fresh, brackish, and saline marsh soils

Recent (1975–2004) Vegetation Change in the San Francisco Estuary, California, Tidal Marshes

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CO²emission and soil Eh responses to different hydrological conditions in fresh, brackish, and saline marsh soils