Multi-decadal shifts in fish community diversity across a dynamic biogeographic transition zone
Aim: A 21-year fisheries-independent monitoring dataset was used to explore fish community diversity across a latitudinal gradient to quantify how diversity has changed and relate those changes in diversity to changes in the abiotic environment. Additionally, this study spans a biogeographic transition zone, providing insight into future species assemblages across regions of relatively high species diversity. Location: Indian River Lagoon, Florida, USA Methods: Spatial and temporal beta diversity was quantified latitudinally with “best derived breaks” determined by using chronological cluster analyses. Multiple indices of alpha diversity were quantified, including species richness, Shannon diversity, Simpson diversity, and Pielou’s evenness. AIC model selection and environmental fit tests were performed to link patterns of diversity and species assemblages with the abiotic environment. Results: Evidence of a biogeographic transition zone was supported by data spanning the entire study period; the largest break in species assemblage occurred near 28°N. Fine scale analyses using small and large seine catches were noisier than broad analyses but indicated a northern shift in location of the biogeographic transition zone. Beta-diversity was generally dominated by species turnover/balance versus nestedness/gradient components, implying that changes were driven by species sorting associated with the physical environment. Excluding the summation of all environmental variables, temperature and dissolved oxygen best describe patterns of diversity and species composition. Main Conclusions: Over years less affected by disturbances, large and small seine catch data suggest the fish community assemblage and location of the biogeographic transition zone has shifted 9 km and 21 km to the north. If the trends observed in these years were to continue from 1999 until the year 2100, a 111 km to 243 km shift in fish communities could be expected. Variation in rates of movement based on gear type suggest novel species assemblages could ensue.
Important Note: This submission has been initially submitted to SEA
scieNtific Open data Edition (SEANOE) publication service and received the recorded DOI.
The metadata elements have been further processed (refined) in EMODnet
Ingestion Service in order to conform with the Data Submission Service
specifications.
owner : {{md.getOwnername()}}
{{'mdStatusRecord' | translate}}: {{('mdStatus-' + md.mdStatus) | translate}}
- Identification
- Content
- ReferenceSystem
- Quality
- DomainConsistancy
- Constraints
- Distribution
- Meta-metadata
- ObjectCatalogue
Date | 2019-11-03 |
---|---|
Date type | Creation: Date identifies when the resource was brought into existence |
Date | 2019-11-21 |
Date type | Revision: Date identifies when the resource was examined or re-examined and improved or amended |
Date | 2020-10-29 |
Date type | Publication: Date identifies when the resource was issued |
Date | 2021-01-08 |
Date type | Publication: Date identifies when the resource was issued |
Unique resource identifier | a53ad03f-3730-7303-3033-000000070325 |
Unique resource identifier |
Point of contact
Organisation name | SEA scieNtific Open data Edition |
---|---|
Delivery point | By address: IFREMER / IDM / SISMER - Scientific Information Systems for the SEA, IFREMER Centre de Bretagne, ZI Pointe du diable CS 10070 |
City | PLOUZANE |
Postal code | 29280 |
Country | France |
Electronic mail address | data@seanoe.org |
Linkage | https://www.seanoe.org/ |
Role | Publisher: Publisher |
Point of contact
Organisation name | Ifremer, Scientific Information Systems for the sea |
---|---|
Delivery point | IFREMER Centre de Bretagne ZI Pointe du diable CS 10070 |
City | PLOUZANE |
Postal code | 29280 |
Country | France |
Electronic mail address | sismer@ifremer.fr |
Linkage | http://data.ifremer.fr/SISMER |
Role | Dataset Holding Organisation: Dataset Holding Organisation |
Point of contact
Organisation name | Flanders Marine Institute |
---|---|
Delivery point | Jacobsenstraat 1 |
City | Oostende |
Postal code | 8400 |
Country | Belgium |
Electronic mail address | data@vliz.be |
Linkage | http://www.vliz.be/ |
Role | Author: Party who authored the resource |
Descriptive keywords
GEMET - INSPIRE themes, version 1.0 | |
---|---|
SeaVoX salt and fresh water body gazetteer |
North Atlantic Ocean
|
Atlantic Ocean
|
North America Mainland
|
Northeast Pacific Ocean (180W)
|
Northwest Atlantic Ocean (40W)
|
SeaDataNet Agreed Parameter Groups | inapplicable |
SeaDataNet Parameter Discovery Vocabulary |
Alkalinity, acidity and pH of the water column
|
Electrical conductivity of the water column
|
Dissolved oxygen parameters in the water column
|
Fish abundance in water bodies
|
Salinity of the water column
|
Temperature of the water column
|
MEDIN data format categories | Delimited |
Character set | UTF8: 8-bit variable size UCS Transfer Format, based on ISO/IEC 10646 |
---|---|
Topic category code |
|
Reference System Information
Anchor | WGS 1984 |
---|
Hierarchy level | Dataset: Information applies to the dataset |
---|
Lineage
Statement | Raw data |
---|
Domain consistency
Conformance result
|
Domain consistency
Conformance result
|
Domain consistency
Conformance result
|
mdLegalAndSecurityConstraintsSection
Resource constraints
|
|||||||||||
Resource constraints
|
Transfer options
|
File identifier | a53ad03f-3730-7303-3033-000000070325 | ||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Metadata language | English | ||||||||||||||||
Character set | UTF8: 8-bit variable size UCS Transfer Format, based on ISO/IEC 10646 | ||||||||||||||||
Hierarchy level | Dataset: Information applies to the dataset | ||||||||||||||||
Date stamp | 2024-06-25T00:00:00 | ||||||||||||||||
Metadata standard name | ISO 19115:2003/19139 | ||||||||||||||||
Metadata standard version | 1.0 | ||||||||||||||||
Contact
|
Overviews
extent
- geoDesc
- {{d}}
- geoBox
- geoDescCode
- {{mdView.current.record.geoDescCode}}
tempExtent
- creationDate
- publicationDate
- revisionDate
- tempExtentBegin
Associated resources
Not available