OLR(1985) 32 (9) 757 85:5165 Flemming~ Burg, 1984. Giant comet marks [longi- tudinal bedfnrmsl. Geo-Marine Letts, 4(2):113- 115. Giant comet marks up to 135-m long and 30-m wide were detected 130 km northeast of Durban (South Africa) during a side-scan sonar survey. The high width-length ratio of 1:4.5, in contrast to ratios of 1:33 observed elsewhere, is attributed to lateral coalescence of adjacent tails. The marks are inter- preted as erosional features formed in the wake of large obstacles in an area continuously exposed to the strong geostrophic flow of the Agulhas Current. Senckenberg Inst., Schleusenstr. 39a, D-2940 Wil- helmshaven, FRG. (hbf) 85:5166 Hatori, Tokutaro, 1984. Snurce area of the East Hokkaldo tsunami generated in April, 1843. Bull. Earthq. Res. Inst., Univ. Tokyo, 59(3):423-431. (In Japanese, English abstract.) 85:5167 Miller, R.G. and R.K. O'Nions, 1985. Source of Precambrian chemical and elastic sediments. Nature, Lond, 314(6009):325-330. Nd isotope composition of surviving Archaean sediments provides no evidence for the existence of pre-4000-Myr continental crust. Either the amounts of such crust were trivial or it was destroyed substantially by 3800 Myr ago. Nd in major Precambrian banded iron formations was supplied largely by continental weathering; in this respect the water masses in which they formed were analogous to modern oceans. Dept. of Earth Sci., Univ. of Cambridge, Downing St., Cambridge CB2 3EQ, UK. E. BIOLOGICAL OCEANOGRAPHY El0. Apparatus and methods 85:5168 Knijnenburg, Arnd, Eberhard Matthaus and Volker Wenzel, 1984. Concept and usage of the interactive simulation system for ecosystems: SONCHES. Ecol. Model, 26(1-2):51-76. SONCHES--a subject oriented, task-related, mod- ular and interactive simulation system--is presented as the framework for model building and evaluation, forecasting, testing of hypotheses, and control design. The main emphasis of this paper is toward technical rather than ecological details. Central Inst. for Cybernetics and Info. Proc., G.D.R. Acad. of Sci., Berlin, DRG. 85:5169 Kozerski, H.-P., GUnther Schellenberger, Horst Behrendt and Volker Mohaupt, 1984. Testing of a complex ecological model for shallow water bodies. Ecol. Model., 26(1-2):103-113. Tests of a 15-component model indicate its capa- bility to describe and predict the general dynamics of algae and nutrients, sufficient for purposes of water management. Special interest has been paid to the critical analysis of differences between simu- lations and field data of several components of the model. Inst. of Geogr. and Geoecol., G.D.R. Acad. of Sci., Berlin, DRG. E40. Area studies, surveys (baselines, ecol- ogy, etc.) 85:5170 Hendrickx, M.E., F. Flores-Verdugo, A.M. van der Heiden and R. Briseho-Duehas, 1983. Fauna survey of the decapod crustaceans, reptiles and coastal birds of the Estero el Verde, Sinaloa, Mexico, with some notes on their biology. An. Inst. Cienc. Mar Limnol., Univ. nac. aut6n. M~x., 10(1): 187-194. Seventy species inhabiting a small coastal lagoon of southern Sinaloa are reported together with infor- mation related to their biology. Such a unique faunistic assemblage has never before been reported for Mexican Pacific coastal lagoons. Univ. Nac.

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Page 1: Testing of a complex ecological model for shallow water bodies

OLR (1985) 32 (9) 757

85:5165 Flemming~ Burg, 1984. Giant comet marks [longi-

tudinal bedfnrmsl. Geo-Marine Letts, 4(2):113- 115.

Giant comet marks up to 135-m long and 30-m wide were detected 130 km northeast of Durban (South Africa) during a side-scan sonar survey. The high width-length ratio of 1:4.5, in contrast to ratios of 1:33 observed elsewhere, is attributed to lateral coalescence of adjacent tails. The marks are inter- preted as erosional features formed in the wake of large obstacles in an area continuously exposed to the strong geostrophic flow of the Agulhas Current. Senckenberg Inst., Schleusenstr. 39a, D-2940 Wil- helmshaven, FRG. (hbf)

85:5166 Hatori, Tokutaro, 1984. Snurce area of the East

Hokkaldo tsunami generated in April, 1843. Bull.

Earthq. Res. Inst., Univ. Tokyo, 59(3):423-431. (In Japanese, English abstract.)

85:5167 Miller, R.G. and R.K. O'Nions, 1985. Source of

Precambrian chemical and elastic sediments. Nature, Lond, 314(6009):325-330.

Nd isotope composition of surviving Archaean sediments provides no evidence for the existence of pre-4000-Myr continental crust. Either the amounts of such crust were trivial or it was destroyed substantially by 3800 Myr ago. Nd in major Precambrian banded iron formations was supplied largely by continental weathering; in this respect the water masses in which they formed were analogous to modern oceans. Dept. of Earth Sci., Univ. of Cambridge, Downing St., Cambridge CB2 3EQ, UK.

E. BIOLOGICAL OCEANOGRAPHY

El0. Apparatus and methods

85:5168 Knijnenburg, Arnd, Eberhard Matthaus and Volker

Wenzel, 1984. Concept and usage of the interactive simulation system for ecosystems: SONCHES. Ecol. Model, 26(1-2):51-76.

SONCHES--a subject oriented, task-related, mod- ular and interactive simulation system--is presented as the framework for model building and evaluation, forecasting, testing of hypotheses, and control design. The main emphasis of this paper is toward technical rather than ecological details. Central Inst. for Cybernetics and Info. Proc., G.D.R. Acad. of Sci., Berlin, DRG.

85:5169 Kozerski, H.-P., GUnther Schellenberger, Horst

Behrendt and Volker Mohaupt, 1984. Testing of a complex ecological model for shallow water bodies. Ecol. Model., 26(1-2):103-113.

Tests of a 15-component model indicate its capa- bility to describe and predict the general dynamics of algae and nutrients, sufficient for purposes of

water management. Special interest has been paid to the critical analysis of differences between simu- lations and field data of several components of the model. Inst. of Geogr. and Geoecol., G.D.R. Acad. of Sci., Berlin, DRG.

E40. Area studies, surveys (baselines, ecol- ogy, etc.)

85:5170 Hendrickx, M.E., F. Flores-Verdugo, A.M. van der

Heiden and R. Briseho-Duehas, 1983. Fauna survey of the decapod crustaceans, reptiles and coastal birds of the Estero el Verde, Sinaloa, Mexico, with some notes on their biology. An. Inst. Cienc. Mar Limnol., Univ. nac. aut6n. M~x., 10(1): 187-194.

Seventy species inhabiting a small coastal lagoon of southern Sinaloa are reported together with infor- mation related to their biology. Such a unique faunistic assemblage has never before been reported for Mexican Pacific coastal lagoons. Univ. Nac.