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Simulation‐based investigations of fishery changes as affected by the scale and design of artificial habitats
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| Zeitschriftentitel: | Journal of Fish Biology |
|---|---|
| Personen und Körperschaften: | , , , , |
| In: | Journal of Fish Biology, 67, 2005, sB, S. 218-243 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
Wiley
|
| Schlagwörter: |
| author_facet |
Sayer, M. D. J. Magill, S. H. Pitcher, T. J. Morissette, L. Ainsworth, C. Sayer, M. D. J. Magill, S. H. Pitcher, T. J. Morissette, L. Ainsworth, C. |
|---|---|
| author |
Sayer, M. D. J. Magill, S. H. Pitcher, T. J. Morissette, L. Ainsworth, C. |
| spellingShingle |
Sayer, M. D. J. Magill, S. H. Pitcher, T. J. Morissette, L. Ainsworth, C. Journal of Fish Biology Simulation‐based investigations of fishery changes as affected by the scale and design of artificial habitats Aquatic Science Ecology, Evolution, Behavior and Systematics |
| author_sort |
sayer, m. d. j. |
| spelling |
Sayer, M. D. J. Magill, S. H. Pitcher, T. J. Morissette, L. Ainsworth, C. 0022-1112 1095-8649 Wiley Aquatic Science Ecology, Evolution, Behavior and Systematics http://dx.doi.org/10.1111/j.0022-1112.2005.00928.x <jats:p>Preliminary field observations on a large‐scale multi‐reef artificial reef system in Scotland indicated that the provision of artificial habitat of varying design alters the numbers and types of fishes present in areas where they were previously largely absent. These modifications could, in time, be highly beneficial to any programme of fishery enhancement, protection or restoration but only where the scale of habitat manipulation was relevant to the target fisheries. Ecosystem simulations provide a theoretical basis on which to conduct examinations of habitat manipulation at scales that could not be tested empirically. In the present study, a series of ecosystem models was constructed based on broad‐scale simulations for the west coast of Scotland in order to examine the potential consequences to selected fisheries of different scales and types of intervention using artificial reefs. Initialized with a large‐scale mass‐balance model, a number of smaller‐scale dynamic ecosystem simulations covered management situations that encompassed habitat type and reef design for open, restricted and closed fisheries. Spatial simulations examined the presence and absence of artificial habitat with natural reefs and marine protected areas (MPAs) under realistic environmental situations. The simulated trends supported preliminary field observations that artificial habitats would support similar biotic aggregations to natural reefs. Designs that maximized the reef edge as a function of the total reef volume were more productive for some of the functional groups examined compared with larger single deployments of identical area. Increasing the area of artificial habitat did result in improvements to some of the fisheries. The behaviour of some functional groups, however, highlighted the limitations of the broad‐scale primary model to smaller‐scale investigation. Future simulations used to inform management decision at the sub‐regional level would require evidence‐based revision to improve their relevance.</jats:p> Simulation‐based investigations of fishery changes as affected by the scale and design of artificial habitats Journal of Fish Biology |
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| title |
Simulation‐based investigations of fishery changes as affected by the scale and design of artificial habitats |
| title_unstemmed |
Simulation‐based investigations of fishery changes as affected by the scale and design of artificial habitats |
| title_full |
Simulation‐based investigations of fishery changes as affected by the scale and design of artificial habitats |
| title_fullStr |
Simulation‐based investigations of fishery changes as affected by the scale and design of artificial habitats |
| title_full_unstemmed |
Simulation‐based investigations of fishery changes as affected by the scale and design of artificial habitats |
| title_short |
Simulation‐based investigations of fishery changes as affected by the scale and design of artificial habitats |
| title_sort |
simulation‐based investigations of fishery changes as affected by the scale and design of artificial habitats |
| topic |
Aquatic Science Ecology, Evolution, Behavior and Systematics |
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http://dx.doi.org/10.1111/j.0022-1112.2005.00928.x |
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2005 |
| physical |
218-243 |
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<jats:p>Preliminary field observations on a large‐scale multi‐reef artificial reef system in Scotland indicated that the provision of artificial habitat of varying design alters the numbers and types of fishes present in areas where they were previously largely absent. These modifications could, in time, be highly beneficial to any programme of fishery enhancement, protection or restoration but only where the scale of habitat manipulation was relevant to the target fisheries. Ecosystem simulations provide a theoretical basis on which to conduct examinations of habitat manipulation at scales that could not be tested empirically. In the present study, a series of ecosystem models was constructed based on broad‐scale simulations for the west coast of Scotland in order to examine the potential consequences to selected fisheries of different scales and types of intervention using artificial reefs. Initialized with a large‐scale mass‐balance model, a number of smaller‐scale dynamic ecosystem simulations covered management situations that encompassed habitat type and reef design for open, restricted and closed fisheries. Spatial simulations examined the presence and absence of artificial habitat with natural reefs and marine protected areas (MPAs) under realistic environmental situations. The simulated trends supported preliminary field observations that artificial habitats would support similar biotic aggregations to natural reefs. Designs that maximized the reef edge as a function of the total reef volume were more productive for some of the functional groups examined compared with larger single deployments of identical area. Increasing the area of artificial habitat did result in improvements to some of the fisheries. The behaviour of some functional groups, however, highlighted the limitations of the broad‐scale primary model to smaller‐scale investigation. Future simulations used to inform management decision at the sub‐regional level would require evidence‐based revision to improve their relevance.</jats:p> |
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| author | Sayer, M. D. J., Magill, S. H., Pitcher, T. J., Morissette, L., Ainsworth, C. |
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| description | <jats:p>Preliminary field observations on a large‐scale multi‐reef artificial reef system in Scotland indicated that the provision of artificial habitat of varying design alters the numbers and types of fishes present in areas where they were previously largely absent. These modifications could, in time, be highly beneficial to any programme of fishery enhancement, protection or restoration but only where the scale of habitat manipulation was relevant to the target fisheries. Ecosystem simulations provide a theoretical basis on which to conduct examinations of habitat manipulation at scales that could not be tested empirically. In the present study, a series of ecosystem models was constructed based on broad‐scale simulations for the west coast of Scotland in order to examine the potential consequences to selected fisheries of different scales and types of intervention using artificial reefs. Initialized with a large‐scale mass‐balance model, a number of smaller‐scale dynamic ecosystem simulations covered management situations that encompassed habitat type and reef design for open, restricted and closed fisheries. Spatial simulations examined the presence and absence of artificial habitat with natural reefs and marine protected areas (MPAs) under realistic environmental situations. The simulated trends supported preliminary field observations that artificial habitats would support similar biotic aggregations to natural reefs. Designs that maximized the reef edge as a function of the total reef volume were more productive for some of the functional groups examined compared with larger single deployments of identical area. Increasing the area of artificial habitat did result in improvements to some of the fisheries. The behaviour of some functional groups, however, highlighted the limitations of the broad‐scale primary model to smaller‐scale investigation. Future simulations used to inform management decision at the sub‐regional level would require evidence‐based revision to improve their relevance.</jats:p> |
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| spelling | Sayer, M. D. J. Magill, S. H. Pitcher, T. J. Morissette, L. Ainsworth, C. 0022-1112 1095-8649 Wiley Aquatic Science Ecology, Evolution, Behavior and Systematics http://dx.doi.org/10.1111/j.0022-1112.2005.00928.x <jats:p>Preliminary field observations on a large‐scale multi‐reef artificial reef system in Scotland indicated that the provision of artificial habitat of varying design alters the numbers and types of fishes present in areas where they were previously largely absent. These modifications could, in time, be highly beneficial to any programme of fishery enhancement, protection or restoration but only where the scale of habitat manipulation was relevant to the target fisheries. Ecosystem simulations provide a theoretical basis on which to conduct examinations of habitat manipulation at scales that could not be tested empirically. In the present study, a series of ecosystem models was constructed based on broad‐scale simulations for the west coast of Scotland in order to examine the potential consequences to selected fisheries of different scales and types of intervention using artificial reefs. Initialized with a large‐scale mass‐balance model, a number of smaller‐scale dynamic ecosystem simulations covered management situations that encompassed habitat type and reef design for open, restricted and closed fisheries. Spatial simulations examined the presence and absence of artificial habitat with natural reefs and marine protected areas (MPAs) under realistic environmental situations. The simulated trends supported preliminary field observations that artificial habitats would support similar biotic aggregations to natural reefs. Designs that maximized the reef edge as a function of the total reef volume were more productive for some of the functional groups examined compared with larger single deployments of identical area. Increasing the area of artificial habitat did result in improvements to some of the fisheries. The behaviour of some functional groups, however, highlighted the limitations of the broad‐scale primary model to smaller‐scale investigation. Future simulations used to inform management decision at the sub‐regional level would require evidence‐based revision to improve their relevance.</jats:p> Simulation‐based investigations of fishery changes as affected by the scale and design of artificial habitats Journal of Fish Biology |
| spellingShingle | Sayer, M. D. J., Magill, S. H., Pitcher, T. J., Morissette, L., Ainsworth, C., Journal of Fish Biology, Simulation‐based investigations of fishery changes as affected by the scale and design of artificial habitats, Aquatic Science, Ecology, Evolution, Behavior and Systematics |
| title | Simulation‐based investigations of fishery changes as affected by the scale and design of artificial habitats |
| title_full | Simulation‐based investigations of fishery changes as affected by the scale and design of artificial habitats |
| title_fullStr | Simulation‐based investigations of fishery changes as affected by the scale and design of artificial habitats |
| title_full_unstemmed | Simulation‐based investigations of fishery changes as affected by the scale and design of artificial habitats |
| title_short | Simulation‐based investigations of fishery changes as affected by the scale and design of artificial habitats |
| title_sort | simulation‐based investigations of fishery changes as affected by the scale and design of artificial habitats |
| title_unstemmed | Simulation‐based investigations of fishery changes as affected by the scale and design of artificial habitats |
| topic | Aquatic Science, Ecology, Evolution, Behavior and Systematics |
| url | http://dx.doi.org/10.1111/j.0022-1112.2005.00928.x |