Major Biological Processes in European Tidal Estuaries -

Major Biological Processes in European Tidal Estuaries

Buch | Hardcover
276 Seiten
1995 | Reprinted from HYDROBIOLOGIA 311, 1996
Springer (Verlag)
978-0-7923-3699-0 (ISBN)
106,99 inkl. MwSt
This work presents results of the project "Major Biological Processes in European Tidal Estuaries", which studied a large number of European macrotidal estuaries, from the Elbe to the Tagus. The book presents the results of the study.
Table 1. State variables modeled in MOSES. State variable Units Estuaries are characterized by a strong diversity in car- bon sources. This is because of the existence of an 3 Fast-decay detritus g- intertidal habitat, the supply of nutrients and organic 3 Slow-decay detritus g- material from the river and from the sea and the input of 3 gCm- Freshwater diatoms matter from human origin. If turbidity remains limited, 3 Freshwater flagellates g- estuaries can also support a high primary production 3 Brackish and marine diatoms g- as nutrients are abundant. Nevertheless, estuaries are 3 Cm- Brackish and marine flagellates usually heterotrophic ecosystems (Billen et aI. , 1991; 3 gCm- Micro-zooplankton Smith & Hollibaugh, 1993) where respiratory process- 3 Brackish meso-zooplankton gCm- 3 es exceed in situ production. Marine meso-zooplankton gCm- 2 3 gCm- The Westerschelde estuary (260 km in SAWES, Hyperbenthos 3 gSim- Detrital silicate 1991) drains about 21580 square kilometres ofland in 3 gSim- Dissolved silicate one of the most densely populated and highly industri- 3 gNm- Nitrate and nitrite alised regions of Europe (Wollast, 1988).
This estuary 3 gNm- Ammonia is unusual due to the high degree of eutrophication 3 gOm- Oxygen which results from the discharge of untreated wastes 3 gCl m- Chlorides (Heip, 1988) and due to the high residence time of the 3 gm- Suspended matter water masses (Soetaert & Herman, 1995a).

Major biological processes in European tidal estuaries: a synthesis of the JEEP-92 Project.- Primary production.- Nutrients, light and primary production by phytoplankton and microphytobenthos in the eutrophic, turbid Westerschelde estuary (The Netherlands).- Dynamics and distribution of microphytobenthic chlorophyll-a in the Western Scheldt estuary (SW Netherlands).- Bacterial processes.- Comparison of heterotrophic bacterial production rates in early spring in the turbid estuaries of the Scheldt and the Elbe.- Nitrous oxide emissions from estuarine intertidal sediments.- Carbon and nitrogen cycling in intertidal sediments near Doel, Scheldt Estuary.- Zooplankton.- Copepod feeding in the Westerschelde and the Gironde.- Long-term changes in the population of Eurytemora affinis (Copopoda, Calanoida) in the Gironde estuary (1978–1992).- Secondary production of the brackish copepod communities and their contribution to the carbon fluxes in the Westerschelde estuary (The Netherlands).- Feeding rates and productivity of the copepod Acartia bifilosa in a highly turbid estuary; the Gironde (SW France).- Production rates of Eurytemora affinis in the Elbe estuary, comparison of field and enclosure production estimates.- Comparative spring distribution of zooplankton in three macrotidal European estuaries.- Hyperbenthos.- Comparative study of the hyperbenthos of three European estuaries.- Meiobenthos.- Effects of manipulation of food supply on estuarine meiobenthos.- Meiobenthic distribution and nematode community structure in five European estuaries.- Macrobenthos.- The response of two estuarine benthic communities to the quantity and quality of food.- Modelling.- Estimating estuarine residence times in the Westerschelde (The Netherlands) using a box model with fixeddispersion coefficients.- Nitrogen dynamics in the Westerschelde estuary (SW Netherlands) estimated by means of the ecosystem model MOSES.- Carbon flows in the Westerschelde estuary (The Netherlands) evaluated by means of an ecosystem model (MOSES).

Reihe/Serie Developments in Hydrobiology ; 110
Zusatzinfo 139 Illustrations, black and white; VIII, 276 p. 139 illus.
Verlagsort Dordrecht
Sprache englisch
Maße 195 x 260 mm
Themenwelt Naturwissenschaften Biologie Limnologie / Meeresbiologie
Naturwissenschaften Biologie Ökologie / Naturschutz
ISBN-10 0-7923-3699-2 / 0792336992
ISBN-13 978-0-7923-3699-0 / 9780792336990
Zustand Neuware
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