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Temporal Variations in Benthic Assemblages

John S. Gray and Michael Elliott

in Ecology of Marine Sediments: From Science to Management

Published in print:
2009
Published Online:
November 2020
ISBN:
9780198569015
eISBN:
9780191916717
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198569015.003.0011
Subject:
Earth Sciences and Geography, Oceanography and Hydrology

Most (but by no means all) benthic species have larval stages which use the water column for dispersal. As indicated in the previous chapter, a key process affecting recruitment to sediment systems ... More


Human Impacts on Soft-Sediment Systems—Trawling and Fisheries

John S. Gray and Michael Elliott

in Ecology of Marine Sediments: From Science to Management

Published in print:
2009
Published Online:
November 2020
ISBN:
9780198569015
eISBN:
9780191916717
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198569015.003.0012
Subject:
Earth Sciences and Geography, Oceanography and Hydrology

Given the discussion above regarding natural changes in the marine benthos, we should now consider the human-mediated (anthropogenic) changes and the response of benthic systems to human impacts. ... More


Human Impacts on Soft-Sediment Systems—Pollution

John S. Gray and Michael Elliott

in Ecology of Marine Sediments: From Science to Management

Published in print:
2009
Published Online:
November 2020
ISBN:
9780198569015
eISBN:
9780191916717
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198569015.003.0013
Subject:
Earth Sciences and Geography, Oceanography and Hydrology

A widely accepted definition of marine pollution is“the introduction by man, directly or indirectly, of substances or energy into the marine environment (including estuaries) resulting in such ... More


The Soft-Sediment Benthos in the Ecosystem

John S. Gray and Michael Elliott

in Ecology of Marine Sediments: From Science to Management

Published in print:
2009
Published Online:
November 2020
ISBN:
9780198569015
eISBN:
9780191916717
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198569015.003.0014
Subject:
Earth Sciences and Geography, Oceanography and Hydrology

The benthos does not, of course, live in isolation from other parts of the ecosystem. Here we consider the roles that the benthos plays in the system and how the complex interactions that are found ... More


The Benthos in the Management of Marine Sediments

John S. Gray and Michael Elliott

in Ecology of Marine Sediments: From Science to Management

Published in print:
2009
Published Online:
November 2020
ISBN:
9780198569015
eISBN:
9780191916717
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198569015.003.0015
Subject:
Earth Sciences and Geography, Oceanography and Hydrology

Throughout the previous chapters, we have focused on our understanding of the benthic system, its processes, structure, and functioning but, hopefully, we have also shown some of the changes to the ... More


The Sediment and Related Environmental Factors

John S. Gray and Michael Elliott

in Ecology of Marine Sediments: From Science to Management

Published in print:
2009
Published Online:
November 2020
ISBN:
9780198569015
eISBN:
9780191916717
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198569015.003.0006
Subject:
Earth Sciences and Geography, Oceanography and Hydrology

Our next major question is, how can we characterize the sediment as a habitat for biota? Marine sediments range from coarse gravels in areas subjected to much wave and current action, to muds ... More


Describing Assemblages of Sediment-living Organisms

John S. Gray and Michael Elliott

in Ecology of Marine Sediments: From Science to Management

Published in print:
2009
Published Online:
November 2020
ISBN:
9780198569015
eISBN:
9780191916717
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198569015.003.0007
Subject:
Earth Sciences and Geography, Oceanography and Hydrology

One of the most fruitful aspects of ecological research is the search for common patterns in the bewildering variability of nature. Given current concerns about global warming, climate change, and ... More


Diversity

John S. Gray and Michael Elliott

in Ecology of Marine Sediments: From Science to Management

Published in print:
2009
Published Online:
November 2020
ISBN:
9780198569015
eISBN:
9780191916717
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198569015.003.0008
Subject:
Earth Sciences and Geography, Oceanography and Hydrology

In the previous chapter we covered ways of describing samples of benthos, but specifically did not include diversity. We can talk of primary community variables, such as abundance (A), species ... More


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