The Harbor and Fishery Remains at Cosa, Italy

McCann, Anna Marguerite

doi:10.2307/529424

Cited by 4 publications

(3 citation statements)

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“…The rates of domestication of marine plants and animals are rising rapidly [ Duarte et al ., ]. Although fish farming dates back over 2000 years [e.g., McCann , ], with early examples in Australia, East Asia and Europe, it was quantitatively trivial, except locally, until 1970. Since that time aquaculture has become a significant component of fish consumption [ Naylor et al ., ], and this is sometimes referred to as the “blue revolution”: in 2012 total world fisheries amounted to 158 million tons, of which 42% was aquaculture [ FAO , ].…”

Section: Human Impact Measured Against Geological Eventsmentioning

confidence: 99%

The Anthropocene: a conspicuous stratigraphical signal of anthropogenic changes in production and consumption across the biosphere

et al. 2016

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Biospheric relationships between production and consumption of biomass have been resilient to changes in the Earth system over billions of years. This relationship has increased in its complexity, from localized ecosystems predicated on anaerobic microbial production and consumption to a global biosphere founded on primary production from oxygenic photoautotrophs, through the evolution of Eukarya, metazoans, and the complexly networked ecosystems of microbes, animals, fungi, and plants that characterize the Phanerozoic Eon (the last ∼541 million years of Earth history). At present, one species, Homo sapiens, is refashioning this relationship between consumption and production in the biosphere with unknown consequences. This has left a distinctive stratigraphy of the production and consumption of biomass, of natural resources, and of produced goods. This can be traced through stone tool technologies and geochemical signals, later unfolding into a diachronous signal of technofossils and human bioturbation across the planet, leading to stratigraphically almost isochronous signals developing by the mid-20th century. These latter signals may provide an invaluable resource for informing and constraining a formal Anthropocene chronostratigraphy, but are perhaps yet more important as tracers of a biosphere state that is characterized by a geologically unprecedented pattern of global energy flow that is now pervasively influenced and mediated by humans, and which is necessary for maintaining the complexity of modern human societies.

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Section: Human Impact Measured Against Geological Eventsmentioning

confidence: 99%

The Anthropocene: a conspicuous stratigraphical signal of anthropogenic changes in production and consumption across the biosphere

et al. 2016

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“…hist. III 9,53); Bockius, 2014), yet direct physical evidence is limited to rocky ancient Mediterranean harbours, where rock walls have man-made cuttings (Allen, 1853;McCann, 1979;Erol and Pirazzoli, 1992). Without precise identification of dredging events, extreme weather events, canal gate use, and associated chronological hiatuses and/or reworked deposits within a sedimentary sequence, a precise age-depth model cannot be obtained.…”

Section: Introductionmentioning

confidence: 99%

Dredging and canal gate technologies in Portus, the ancient harbour of Rome, reconstructed from event stratigraphy and multi-proxy sediment analysis

Lisé-Pronovost

Salomon

Goiran

et al. 2019

Quaternary International

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Ancient harbours are rich archives of human-environment interaction. However, dating harbour deposits and correlating their stratigraphy is a major challenge because of typically high sedimentation rates over short periods and possible curative dredging events. Portus, the maritime harbour of Rome at the height of the Roman Empire, was a port complex composed of basins and canals connecting the commercial harbour to Rome via the Tiber River. Sediment core CPS1 in the narrowest of these canals, Canale Traverso, is located centrally in what was the capital city's commercial hub and contains a continuous harbor depositional record with average sedimentation rates greater than 1 cm per year. Here we use piston coring, high-resolution core scanning and a multi-proxy sediment analysis including for the first time paleo-and rock-magnetism, and bulk and clay mineralogy in order to overcome the problems of dating harbour deposits and correlating their stratigraphy. The method allowed precise identification of major reworked events, including a dredged deposit and a hyperpycnal deposit, which improve the chronostratigraphy and water depth reconstruction, and sheds light on harbour technologies at the height of the Roman Empire. A debris layer with abundant ceramic fragments and rocks marks the decommissioning of Canale Traverso and provides a new chronostratigraphic marker at Portus. Multi-proxy riverine input signatures point to the possible use of canal gate technology for water flow management.

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“…A natural extension of this technique was its numerous applications to drowned architectural remains of ancient buildings, particularly harbour facilities in clear shallow water (e.g. McCann, 1979). The above-mentioned techniques involve mainly standard aerial photographic methods.…”

Section: Introductionmentioning

confidence: 99%

Remote sensing in underwater archaeology

Arnold

1981

International Journal of Nautical Archaeology

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The Harbor and Fishery Remains at Cosa, Italy

Cited by 4 publications

References 0 publications

The Anthropocene: a conspicuous stratigraphical signal of anthropogenic changes in production and consumption across the biosphere

The Anthropocene: a conspicuous stratigraphical signal of anthropogenic changes in production and consumption across the biosphere

Dredging and canal gate technologies in Portus, the ancient harbour of Rome, reconstructed from event stratigraphy and multi-proxy sediment analysis

Remote sensing in underwater archaeology

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