NDLI: Deep-sea meiofauna and macrofauna diversity and functional diversity: are they related?

Content Provider	Springer Nature Link
Author	Baldrighi, Elisa Manini, Elena
Copyright Year	2015
Abstract	Meiofauna and macrofauna are closely linked by numerous types of interactions, but comparative studies are rare. It has been postulated that meiofauna and macrofauna diversities are related, and that a higher functional diversity of meiobenthic and/or macrobenthic organisms can enhance a higher functional diversity. A simultaneous study of the deep Mediterranean sea meiobenthic and macrobenthic communities was conducted, from the west to central-eastern basin and from 1,200 to 2,700 m depth. We posed the following questions: 1) are meiofauna and macrofauna diversities related? 2) Does a higher diversity enhance a higher functional diversity? and 3) Does the relationship between diversity and functional diversity change considering different benthic size classes and taxa? In order to answer to our questions, the biodiversity and functional diversity of meiofauna and macrofauna were analysed, with a focus on three target groups: meiobenthic nematodes, macrobenthic nematodes and polychaetes. Meiobenthic nematodes and macrofaunal diversity appeared to be related only in terms of turnover diversity. A cross-taxon analysis on macrobenthic nematode and polychaete diversity and meiofauna diversity revealed a positive relationship in all cases that were studied. Considering functional diversity, many relationships emerged between the two benthic components. A higher meiobenthic nematode diversity did not enhance a higher functional diversity. A higher macrofauna diversity enhanced a higher functional diversity, but not for all macrobenthic taxa (i.e., nematodes). We can conclude that the diversity–functional diversity relationship changed across different size classes, even when the same taxon was considered. The diversity–functional diversity relationship changed across taxa even if they belonged to the same size class.
Starting Page	469
Ending Page	488
Page Count	20
File Format	PDF
ISSN	18671616
Journal	Marine Biodiversity
Volume Number	45
Issue Number	3
e-ISSN	18671624
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2015-04-03
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Meiofauna Macrofauna Diversity Functional diversity Deep sea Biodiversity Freshwater & Marine Ecology Plant Systematics/Taxonomy/Biogeography Animal Systematics/Taxonomy/Biogeography
Content Type	Text
Resource Type	Article
Subject	Aquatic Science Ecology, Evolution, Behavior and Systematics Oceanography

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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