The Estuarine Ecosystem

McLusky, Donald S.

doi:10.1007/978-1-4684-1528-5

Cited by 92 publications

(89 citation statements)

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“…FAGERSTROM (1987) included serpulid reefs among Holocene low diversity reefs. In the case of the Ficopomatus reefs of the Sacca del Canarin, taxonomic diversity is not high in absolute terms, but this simply mirrors the low diversity of estuarine biota (MCLUSKY, 1989). In relative terms, taxonomic diversity in Ficopomatus reefs can be regarded as high.…”

Section: Discussionmentioning

confidence: 99%

Ficopomatus‘Reefs' in the Po River Delta (Northern Adriatic): Their Constructional Dynamics, Biology, and Influences on the Brackish‐water Biota

Bianchi¹,

Morri²

1996

Marine Ecology

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Abstract. The serpulid polychaete Ficopomatus enigmaticus (Fauvel, 1923) builds huge aggregates in the “Sacca del Canarin”, a brackish inlet of the Po River Delta (Italy). Distribution, structure and development of these ‘reefs’. together with their associated biota, were studied by field observations and settlement panels from 1977 to 1979. Some aspects of the serpulid biology (settlement periods, tube growth, life strategy) were also taken into account. Ficopomatus reefs influence in many ways the brackish‐water ecosystem: they form the main hard substrate; are major sediment source; help in regulating the trophic status of the lagoon; and act as refuge for many invertebrate species.

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Section: Discussionmentioning

confidence: 99%

Ficopomatus‘Reefs' in the Po River Delta (Northern Adriatic): Their Constructional Dynamics, Biology, and Influences on the Brackish‐water Biota

Bianchi¹,

Morri²

1996

Marine Ecology

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“…In contrast to our hypothesis that Caprella spp. have a narrow salinity tolerance, the four Caprella species studied were regarded as euryhaline marine organisms 26 in that the median lethal concentration (LC 50 ) at 20∞C ranged from 12.97 to 18.84 p.s.u. with survival rates greater than 80% in salinity conditions over 25.38 p.s.u.…”

Section: Discussionmentioning

confidence: 99%

Gill ultrastructure and salinity tolerance of Caprella spp. (Crustacea: Amphipoda: Caprellidea) inhabiting the Sargassum community

Takeuchi¹,

Matsumasa²,

Kikuchi³

2003

Fisheries Sci

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The histology of the gill structure of Caprella (Amphipoda: Caprellidea) (i.e. C. danilevskii, C. subinermis, C. penantis R‐type and C. verrucosa) collected from the Sargassum community of north‐eastern Japan, was observed under transmission electron microscopy. The epithelial gill cells of C. danilevskii, C. subinermis, and C. verrucosa were composed of a well‐developed apical infolding system (AIS) and basolateral infolding system (BIS) associated with a large number of mitochondria, whereas those of C. penantis R‐type, which possessed large, leaf‐like gills with distinct pillar structures, had weakly developed AIS and BIS. Experiments on the salinity tolerance of the four species of Caprella indicated that the median lethal concentration (LC50) of the four species at 20°C ranged from 12.97 to 18.84 practical salinity unit (p.s.u.) with survival rates greater than 80% in salinity conditions over 25.37 p.s.u. even on day 5. The characteristics of the gills and the wide salinity tolerance of Caprella spp. indicate that Caprella spp. inhabiting the Sargassum community are euryhaline marine organisms.

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“…We hypothesized that because suspended sediments were ocean-derived, TSS concentration would increase as tide height increased. McLusky (1989) reported that during higher tides the volume of water in an estuary increases, thus reducing the concentration of suspended sediments. During this study, we examined higher than average tides, which correlate with higher volume.…”

Section: Discussionmentioning

confidence: 99%

ENVIRONMENTAL FACTORS INFLUENCING SUSPENDED SOLIDS IN THE LOXAIIATCHEE ESTUARY, FLORIDA¹

Noel¹,

Chamberlain²,

Steinman

1995

J American Water Resour Assoc

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A study was initiated to examine the effects of wind speed, wind direction, freshwater inflow, and tide height on suspended solid concentration and distribution in the Loxahatchee estuary, Florida. Recent efforts to increase freshwater flows in this system raised concerns that suspended solid concentrations would increase as well, which might result in negative impacts for the estuary. The data indicated that total suspended solids (TSS) in the estuary are derived primarily from the inlet and not from freshwater tributaries. In addition, total suspended solids and volatile suspended solids were correlated strongly with salinity, suggesting that suspended sediments act conservatively throughout this system. No one environmental factor had an overwhelming influence on suspended solid concentration throughout the estuary; different regions of the estuary were influenced by different factors. Freshwater inflow was negatively related to TSS in the upper reaches of the estuary but was positively related to TSS in the central embayment region of the estuary. We attribute this latter finding to the fact that extremely high inflows both prevented the normal transport upstream of tidal borne suspended sediments and promoted mixing when the freshwater front moving downstream confronted the tidal front moving upstream. Wind speed, wind direction, and tide height had relatively small effects on TSS concentration but were most influential in reaches upstream of the central embayment, where tidal velocity begins to diminish.

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The Estuarine Ecosystem

Cited by 92 publications

References 0 publications

Ficopomatus‘Reefs' in the Po River Delta (Northern Adriatic): Their Constructional Dynamics, Biology, and Influences on the Brackish‐water Biota

Ficopomatus‘Reefs' in the Po River Delta (Northern Adriatic): Their Constructional Dynamics, Biology, and Influences on the Brackish‐water Biota

Gill ultrastructure and salinity tolerance of Caprella spp. (Crustacea: Amphipoda: Caprellidea) inhabiting the Sargassum community

ENVIRONMENTAL FACTORS INFLUENCING SUSPENDED SOLIDS IN THE LOXAIIATCHEE ESTUARY, FLORIDA¹

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The Estuarine Ecosystem

Cited by 92 publications

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Ficopomatus‘Reefs' in the Po River Delta (Northern Adriatic): Their Constructional Dynamics, Biology, and Influences on the Brackish‐water Biota

Ficopomatus‘Reefs' in the Po River Delta (Northern Adriatic): Their Constructional Dynamics, Biology, and Influences on the Brackish‐water Biota

Gill ultrastructure and salinity tolerance of Caprella spp. (Crustacea: Amphipoda: Caprellidea) inhabiting the Sargassum community

ENVIRONMENTAL FACTORS INFLUENCING SUSPENDED SOLIDS IN THE LOXAIIATCHEE ESTUARY, FLORIDA1

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ENVIRONMENTAL FACTORS INFLUENCING SUSPENDED SOLIDS IN THE LOXAIIATCHEE ESTUARY, FLORIDA¹