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Showing 1 to 7 of 7 for “"River Rock"”.
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DISTURBANCE ECOLOGY OF THE SONADORA RIVER ROCK POOL INSECT ASSEMBLAGE AT LUQUILLO EXPERIMENTAL FOREST, PUERTO RICO
<p>Freshwater rock pools can serve as habitat for aquatic insects. Flash-flooding can have profound effects on insect communities in streams and rivers, but these effects have not been studied on freshwater rock pools. The goal of this thesis was to describe ecological patterns of the Sonadora …
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A comparison of hunter-gatherer material culture from Matjes River Rock Shelter and Nelson Bay Cave
… from Robberg/Plettenberg Bay and Matjes River Rock Shelter between 4500 and 2000 B.P. After 2000 B.P. the introduction of pastoral subsistence in the area changed existing modes of production in such a way as to alter Ձ15N values. The two major excavated archaeological sites in this …
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Investigation of possible dietary differences between the inhabitants of the Robberg/Plettenberg Bay and Matjes River Rock Shelter in the later Stone Age : an isotopic approach
… buried at Robberg/Plettenberg Bay and Matjes River Rock Shelter. Since isotopic values of marine foods from this area had not previously been measured, the first step was to sample shellfish and Arctocephalus pusillus (Cape Fur seals), representing the lower and higher trophic level marine …
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A Search For Balance
… Steel represents societal obligations. Stone (river rock) is specific to place and representative of family. With these juxtaposed elements I strive to create sculptural forms of wonder and contemplation. I attempt to interpret and understand my involvement with the complex world through the …
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Nest-site selection, nocturnal nest desertion, and productivity in a common tern (<i>sterna hirundo</i>) colony at Detroit River, Michigan
… nested later and less successfully in large river rock (13 to 25-cm diameter) compared to more diverse substrate and limestone (2.5-5.0 cm) when it was free of dead vegetation. Within a habitat, terns chose to nest where substrate was most diverse in rock size, soil, and non-vegetative …
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Talus Features of the Middle Columbia River: Typological and Locational Analyses
… frequencies on the west side of the Columbia River and on northeast and southeast facing slopes. The distribution of pits by river mile for the east and west sides of the river do not correspond to changes in the elevation of the river (rapids) or the amount of talus slopes or alluvial fans. …