Vertical structure in aquatic environments and its impact on trophic linkages and nutrient fluxes

Ed.: Colin S Reynolds; Yasunori Watanabe

1992. VI, 159 pages, 79 figures, 17 tables, 16x24cm, 370 g
Language: English

(Advances in Limnology, Volume 35)

ISBN 978-3-510-47036-5, paperback, price: 45.00 €

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aquaticenvironmentnutrientLake ConstancefishtidalaquatischUmweltNährstoffBodenseeFischGezeiten


Content Description top ↑

Planktonic organisms, by definition, pass most of their lives suspended in open water habitats. Unless they are exactly isopycnic with the water, however, the suspension is incomplete. Most of the time, the organisms rely on frequent displacement by turbulent eddies to overcome their unidirectional moment of gravitation. In fact, this simple mechanism underpins much of the evolutionary and physiological ecology of planktonic species.

The special emphasis due to the role of vertical structure of the water body and to the vertical migrations of the organisms in mediating the trophic interactions and nutrient fluxes will be readily apparent in this compendium. The papers in this volume were originally presented in a special symposium convened by Y. Watanabe and W. Lampert at the Vth International Congress in Ecology, held at the Prince Hotel, Yokohama, Japan, (23-30 August 1990). The invited contributions cover such aspects as the responses of phytoplankton, Zooplankton and micro-organisms to vertical segregation of standing waters, and to the outcome of trophic interactions involving fish and the "microbial loop". They are considered to be important to the understanding of energy transfer and nutrient cycling within aquatic ecosystems and of the couplings provided through the food chain. They also reveal something of the physiological properties of lake organisms and the nature of ecological interactions in aquatic community in an evolutionary context.

Contents top ↑

WATANABE, Y.: Effects of thermal stratification on trophic linkages
among plankton communities in eutrophic lakes. (With 7 figures and 2
tables in the text) 1-12
REYNOLDS, C.S.: Dynamics, selection and composition of phytoplankton
in relation to vertical structure in lakes. (With 13 figures in the
text) 13-31

LINDHOLM, T.: Ecological role of depth maxima of phytoplankton. (With
9 figures and 1 table in the text) 33-45

NAKANO Phytoplankton primary production and its fate in a pelagic area
of Lake Biwa. (With 10 figures and 4 tables in the text) 47-67
LAMPERT, W.: Zooplankton vertical migrations: Implications for
phytoplankton- zooplankton interactions. (With 7 figures and 1 table
in the text) 69-78
GELLER, W., PINTO-COELHO, R. & PAULI, H. -R.: The vertical
distribution of zooplankton (Crustacea, Rotatoria, Ciliata) and their
grazing over the diurnal and seasonal cycles in Lake Constance. (With
3 figures and 2 tables in the text) 79-85
HANAZATO, T.: Direct and indirect effects of low-oxygen layers on lake
zooplankton communities. (With 8 figures in the text) 87-98
NAGATA, T. & KIRCHMAN, D.L.: Release of dissolved organic matter by
heterotrophic protozoa: implications for microbial food webs. (With 2
figures and 3 tables in the text) 99-109
HESSEN, D.O. & ANDERSEN, T.: The algae-grazer interface: feedback
mechanisms linked to elemental ratios and nutrient cycling. (With 3
figures and 1 table in the text) 111-120

Partitioning and fluxes of phosphorus: mechanisms regulating the
size-distribution and biomass of plankton. (With 5 figures and 2
tables in the text) 121-143
SAWARA, Y. & AZUMA, N.: Tidal rhythm and predator-prey relationship in
estuarine fishes. (With 12 figures and 1 table in the text) 145-159