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A spatial analytical approach for selecting reintroduction sites for burbot in English rivers

A spatial analytical approach for selecting reintroduction sites for burbot in English rivers
A spatial analytical approach for selecting reintroduction sites for burbot in English rivers
1.?Availability of suitable habitat is a prerequisite for species reintroduction success, and to ensure population persistence, investigations of a species’ habitat utilisation throughout its life history should be conducted as part of a feasibility study.

2.?Habitat utilisation models for burbot, Lota lota, developed using data from field studies conducted in France and Germany and information from the literature were used to assess the feasibility of reintroducing burbot into rivers of its former native range in eastern England.

3.?Per cent tree roots, aquatic vegetation and flow types were important predictors of adult burbot abundance. Furthermore, the habitat utilisation models were supplemented with information from the literature, which suggested that off-channel habitat such as wetlands and backwaters is important for spawning and nursery stages.

4.?An assessment of the habitat availability in the rivers of the burbot’s former native range using variables related to spawning and nursery and adult life stages showed that although adult habitat was widely distributed, the availability of spawning and nursery habitat was less abundant, potentially limiting successful reestablishment.

5. ?Potential suitable habitat was concentrated in the central and southern areas of the species’ former English distribution. Overall, rivers of the burbot’s former range potentially afford suitable habitat to sustain a reintroduced population. However, sites should be preferentially selected on the basis of having appropriate spawning and nursery areas
barriers, habitat, instream cover, lateral connectivity, lota lota
0046-5070
602-611
Worthington, T.
405f8717-3f9b-40db-bbbc-971bd801bb25
Kemp, P.S.
9e33fba6-cccf-4eb5-965b-b70e72b11cd7
Osborne, P.E.
c4d4261d-557c-4179-a24e-cdd7a98fb2b8
Dillen, A.
c92af810-965e-4389-b46c-402f58ee472c
Coeck, J.
38d578e9-872f-493a-a43a-9d0d3ec0c6c2
Bunzel-Drüke, M.
b920beae-c7f2-4a2b-ba07-5fc03045fa33
Naura, M.
d8f3cf43-ccf7-497e-955e-e77281a58316
Gregory, J.
27de9361-8be6-4e80-86bb-e13b74f695bb
Easton, K.
78e2f294-c534-4c4a-8224-0f1bac5682f9
Worthington, T.
405f8717-3f9b-40db-bbbc-971bd801bb25
Kemp, P.S.
9e33fba6-cccf-4eb5-965b-b70e72b11cd7
Osborne, P.E.
c4d4261d-557c-4179-a24e-cdd7a98fb2b8
Dillen, A.
c92af810-965e-4389-b46c-402f58ee472c
Coeck, J.
38d578e9-872f-493a-a43a-9d0d3ec0c6c2
Bunzel-Drüke, M.
b920beae-c7f2-4a2b-ba07-5fc03045fa33
Naura, M.
d8f3cf43-ccf7-497e-955e-e77281a58316
Gregory, J.
27de9361-8be6-4e80-86bb-e13b74f695bb
Easton, K.
78e2f294-c534-4c4a-8224-0f1bac5682f9

Worthington, T., Kemp, P.S., Osborne, P.E., Dillen, A., Coeck, J., Bunzel-Drüke, M., Naura, M., Gregory, J. and Easton, K. (2012) A spatial analytical approach for selecting reintroduction sites for burbot in English rivers. Freshwater Biology, 57 (3), 602-611. (doi:10.1111/j.1365-2427.2011.02712.x).

Record type: Article

Abstract

1.?Availability of suitable habitat is a prerequisite for species reintroduction success, and to ensure population persistence, investigations of a species’ habitat utilisation throughout its life history should be conducted as part of a feasibility study.

2.?Habitat utilisation models for burbot, Lota lota, developed using data from field studies conducted in France and Germany and information from the literature were used to assess the feasibility of reintroducing burbot into rivers of its former native range in eastern England.

3.?Per cent tree roots, aquatic vegetation and flow types were important predictors of adult burbot abundance. Furthermore, the habitat utilisation models were supplemented with information from the literature, which suggested that off-channel habitat such as wetlands and backwaters is important for spawning and nursery stages.

4.?An assessment of the habitat availability in the rivers of the burbot’s former native range using variables related to spawning and nursery and adult life stages showed that although adult habitat was widely distributed, the availability of spawning and nursery habitat was less abundant, potentially limiting successful reestablishment.

5. ?Potential suitable habitat was concentrated in the central and southern areas of the species’ former English distribution. Overall, rivers of the burbot’s former range potentially afford suitable habitat to sustain a reintroduced population. However, sites should be preferentially selected on the basis of having appropriate spawning and nursery areas

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More information

e-pub ahead of print date: 17 November 2011
Published date: March 2012
Keywords: barriers, habitat, instream cover, lateral connectivity, lota lota
Organisations: Centre for Environmental Science

Identifiers

Local EPrints ID: 300636
URI: http://eprints.soton.ac.uk/id/eprint/300636
ISSN: 0046-5070
PURE UUID: 3d55ff09-6e61-44bf-b92d-a89a3e345c04
ORCID for P.S. Kemp: ORCID iD orcid.org/0000-0003-4470-0589
ORCID for P.E. Osborne: ORCID iD orcid.org/0000-0001-8919-5710

Catalogue record

Date deposited: 24 Feb 2012 14:33
Last modified: 16 Apr 2020 00:29

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Contributors

Author: T. Worthington
Author: P.S. Kemp ORCID iD
Author: P.E. Osborne ORCID iD
Author: A. Dillen
Author: J. Coeck
Author: M. Bunzel-Drüke
Author: M. Naura
Author: J. Gregory
Author: K. Easton

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