Avian utilisation on six salt marshes in New Jersey

Burger, Joanna; Shisler, Joseph K.; Lesser, Fred

doi:10.1016/0006-3207(82)90075-1

Cited by 39 publications

(28 citation statements)

References 11 publications

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“…This study and others (Trost 1968, Rundle and Fredrickson 1981, Burger et al 1982, Burger 1984, Epstein and Joyner 1986, Fasola 1986, Morales and Pacheco 1986 have demonstrated that impounded wetlands are used by numerous avian species and are important for maintaining regional waterbird populations. Additional studies are needed to quantify the significance of different wetland types to waterbirds.…”

Section: Management Considerationssupporting

confidence: 52%

“…Few wading birds were observed feeding under a dense red mangrove canopy (Gilmore 1987). Many species are associated with pools or open water (Burger et al 1982, Brush et al 1986) where aggregations can occur (Fasola 1986). In this study, dominant species (snowy egret, glossy ibis, white ibis, tricolored heron, and great egret) were found in open water where little or no cover was present.…”

Section: Discussion Wading Birdsmentioning

confidence: 71%

“…It was found, however, that much of the original vegetation could be retained through strategic water management (Provost 1967(Provost ,1969, but the bird use of these marshes has not been fully researched. The number, density, and biomass of avian species has been positively associated with the amount of open standing water, but natural salt marsh vegetation is necessary habitat for some specialized species (Burger et al 1982).…”

Section: Management Considerationsmentioning

confidence: 99%

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Waterbird use of coastal impoundments and management implications in east-central Florida

Breininger

Smith

1990

Wetlands

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fin Abstract: Monthly surveys were conducted on Kennedy Space Center for one year to determine densities of watcrbirds within impounded salt marshes that were predominantly open water with little emergent vegetation. The objective was to assess the importance of these impoundments to waterbirds, particularly wading birds, which are species of special conservation concern. Water-level management for mosquito control and waterfowl provided habitat for an abundance of ducks, shorebirds, coots, and wading birds. Average densities throughout the year for these groups were 5.26, 4.12, 2.80, and 2.20 birds/ha, respectively. The majority of waterfowl were present during the winter. Shorebirds were most common during spring migration. Wading bird densities increased with declining water level. Due to the extensive alteration and development of coastal wetlands in central Florida, properly managed impoundments may provide important feeding areas for maintaining certain waterbird populations.

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Section: Management Considerationssupporting

confidence: 52%

Section: Discussion Wading Birdsmentioning

confidence: 71%

Section: Management Considerationsmentioning

confidence: 99%

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Waterbird use of coastal impoundments and management implications in east-central Florida

Breininger

Smith

1990

Wetlands

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“…The effect of habitat modification through altered hydrology has been detrimental to other species of sparrows associated with coastal marshes and, in some cases, has resulted in extinction (Sykes 1980, Burger et al 1982, Collins and Resh 1985, Greenburg and Droege 1990.…”

Section: Introductionmentioning

confidence: 98%

Nesting habitat of Belding’s Savannah sparrows in coastal salt marshes

Powell

1993

Wetlands

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Abstract:Although the Belding's Savannah sparrow (Passerculus sandwichensis beldingt) is listed as endangered in California, little is known about the factors that affect its abundance and distribution. Numbers of breeding pairs, nesting territory sizes, and vegetation characteristics were measured at fourteen study plots in two southern California coastal wetlands, Tijuana Estuary and Los Pefiasquitos Lagoon. Sparrows nested in middle salt marsh habitat in areas of dense pickleweed (Salicornia virginica) or saltgrass (Distichlis spicata).No nesting territories were found in transitional upland or low marsh habitat. Territory sizes were highly variable and significantly larger at Tijuana Estuary. Territory size may be related to nest site availability and water levels at time of establishment. More research is needed on the effects of habitat quality on reproductive success and territory size.

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“…Salt marshes provide an array of crucial ecological services and are of great economic importance (Costanza et al 1997, Bertness et al 2002. These coastal wetlands play pivotal roles in watersheds, serving as crucial habitats for wildlife by providing spawning grounds, nurseries, shelter and food for fishes, shellfish and many migratory birds (Minello et al 2003, Burger et al 1982. Moreover, salt marsh plants improve water quality by filtering and detoxifying runoff from urban and agricultural areas (Kennish 2001, Alberti et al 2014.…”

Section: Chapter 1: Introductionmentioning

confidence: 99%

Invertebrate Community Composition Across Inundation Regimes and Its Potential to Reduce Plant Stress

Lawson¹

2000

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Appreciation of the ecological and economic values associated with healthy salt marshes has led to a recent rise in the number of marshes that are being targeted for restoration by dike removal. The success of restoration is often measured by the return of marsh plants, though this overlooks a key component of salt marshes, that of the invertebrate community within marsh sediments. To evaluate the short-term recovery of these invertebrates, sediment cores were collected across an elevational gradient in a recent dike removal marsh, one and two years post removal, and a nearby reference marsh. Abundance, richness and diversity as well as morphospecies community composition were compared across treatment groups (Reference, Removal) and elevation zone (High Marsh, Low Marsh). Morphospecies richness, abundance and diversity were significantly higher in Low Marsh samples than in High Marsh samples, though no statistically significant differences were found across treatments of the same elevation (e.g., Reference Low Marsh versus Removal Low Marsh). Pair-wise ANOSIM results found significant differences between community compositions across treatments, specifically Reference Low Marsh and Removal Low Marsh.The marsh edge, the lowest point of vascular plant growth before transitioning to tide flats, is considered a high stress environment for emergent vegetation. Plant establishment and survival in this low elevation zone is limited by the tolerance to inundation duration and frequency and anoxic sediments. Bioturbation and burrowing by macroinvertebrates increases the surface area exposed to surface water for gas exchange, ii increasing the depth of the redox potential discontinuity layer. Crabs that make stable, maintained burrows have been shown to increase oxygen penetration into sediment, improving plant productivity. Such crabs are not found in salt marshes of the Pacific Northwest of North America. However, other burrowing invertebrates may have a positive impact on plant health in these areas by reducing abiotic stress due to anoxic sediments, thereby allowing plants to establish and survive lower in the intertidal zone.To assess this potential relationship, study plots of Distichlis spicata were selected at equivalent elevations at the lowest point of plant establishment at the marsh edge. Focal plant rhizomes were severed from upland ramets and assigned an invertebrate abundance treatment based on a visual burrow count surrounding each plant (9 cm diameter).

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Avian utilisation on six salt marshes in New Jersey

Cited by 39 publications

References 11 publications

Waterbird use of coastal impoundments and management implications in east-central Florida

Waterbird use of coastal impoundments and management implications in east-central Florida

Nesting habitat of Belding’s Savannah sparrows in coastal salt marshes

Invertebrate Community Composition Across Inundation Regimes and Its Potential to Reduce Plant Stress

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