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An approach for evaluating the economic impacts of harmful algal blooms: The effects of blooms of toxic Dinophysis spp. on the productivity of Scottish shellfish farms

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An approach for evaluating the economic impacts of harmful algal blooms: The effects of blooms of toxic Dinophysis spp. on the productivity of Scottish shellfish farms. / Martino, Simone; Gianella, Fatima; Davidson , Keith.

In: Harmful algae, Vol. 99, 101912, 14.10.2020, p. 1-12.

Research output: Contribution to journalArticlepeer-review

Harvard

Martino, S, Gianella, F & Davidson , K 2020, 'An approach for evaluating the economic impacts of harmful algal blooms: The effects of blooms of toxic Dinophysis spp. on the productivity of Scottish shellfish farms', Harmful algae, vol. 99, 101912, pp. 1-12. https://doi.org/10.1016/j.hal.2020.101912

APA

Martino, S., Gianella, F., & Davidson , K. (2020). An approach for evaluating the economic impacts of harmful algal blooms: The effects of blooms of toxic Dinophysis spp. on the productivity of Scottish shellfish farms. Harmful algae, 99, 1-12. [101912]. https://doi.org/10.1016/j.hal.2020.101912

Vancouver

Martino S, Gianella F, Davidson K. An approach for evaluating the economic impacts of harmful algal blooms: The effects of blooms of toxic Dinophysis spp. on the productivity of Scottish shellfish farms. Harmful algae. 2020 Oct 14;99:1-12. 101912. https://doi.org/10.1016/j.hal.2020.101912

Author

Martino, Simone ; Gianella, Fatima ; Davidson , Keith. / An approach for evaluating the economic impacts of harmful algal blooms: The effects of blooms of toxic Dinophysis spp. on the productivity of Scottish shellfish farms. In: Harmful algae. 2020 ; Vol. 99. pp. 1-12.

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@article{3c5765053ad148cbab36c0064c374b40,
title = "An approach for evaluating the economic impacts of harmful algal blooms: The effects of blooms of toxic Dinophysis spp. on the productivity of Scottish shellfish farms",
abstract = "Shellfish production is an important activity for the economy of many countries. As well as its direct value, it helps to stabilize communities in rural areascharacterized by limited job opportunities. It is also important for consumers who recognize shellfish as a healthy product that gains its nutrition from naturalplankton without the need for fertilizers, chemical treatments or other anthropogenic intervention typical of terrestrial agriculture or other marine aquaculture. Nevertheless, global shellfish fisheries are under threat from harmful algal blooms (HABs) and related biotoxins, whose production is potentially exacerbated by global changes. This research provides evidence of economic impacts on Scottish shellfish farms in the last 10 years caused by HABs and their associated biotoxins. In contrast to previous approaches that have focused on variation in production as a function of temporal trends and blooms events, we use a production function approach to show which input factors (labour, capital, climate variables, concentration of biotoxins) have an effect on production. Results show that diarrhoetic shellfish toxins produced by the genera Dinophysis are most significant. A 1% change in the production of these biotoxins reduces shellfish production by 0.66%, with an average yearly negative variation in production of 15% (1,080 ton) and an economic loss (turnover) of £ (GBP) 1.37 m per year (in 2015 currency) over a national annual industry turnover of ~ £ 12 m. The production function approach is coupled with a multivariate time series model (VAR) capturing the statistical relationship between algal concentration, information on climatic variables and biotoxins to forecast the damage to shellfish production from HABs. This provides producers and regulators with the economic information to plan temporal and spatial mitigating measures necessary to limit damages to production by comparing the costs of these measures with the costs of lost production.",
author = "Simone Martino and Fatima Gianella and Keith Davidson",
note = "{\textcopyright} 2020 Elsevier B.V. All rights reserved. This is an author-produced version of the published paper. Uploaded in accordance with the publisher{\textquoteright}s self-archiving policy. ",
year = "2020",
month = oct,
day = "14",
doi = "10.1016/j.hal.2020.101912",
language = "English",
volume = "99",
pages = "1--12",
journal = "Harmful algae",
issn = "1568-9883",
publisher = "Elsevier",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - An approach for evaluating the economic impacts of harmful algal blooms: The effects of blooms of toxic Dinophysis spp. on the productivity of Scottish shellfish farms

AU - Martino, Simone

AU - Gianella, Fatima

AU - Davidson , Keith

N1 - © 2020 Elsevier B.V. All rights reserved. This is an author-produced version of the published paper. Uploaded in accordance with the publisher’s self-archiving policy.

PY - 2020/10/14

Y1 - 2020/10/14

N2 - Shellfish production is an important activity for the economy of many countries. As well as its direct value, it helps to stabilize communities in rural areascharacterized by limited job opportunities. It is also important for consumers who recognize shellfish as a healthy product that gains its nutrition from naturalplankton without the need for fertilizers, chemical treatments or other anthropogenic intervention typical of terrestrial agriculture or other marine aquaculture. Nevertheless, global shellfish fisheries are under threat from harmful algal blooms (HABs) and related biotoxins, whose production is potentially exacerbated by global changes. This research provides evidence of economic impacts on Scottish shellfish farms in the last 10 years caused by HABs and their associated biotoxins. In contrast to previous approaches that have focused on variation in production as a function of temporal trends and blooms events, we use a production function approach to show which input factors (labour, capital, climate variables, concentration of biotoxins) have an effect on production. Results show that diarrhoetic shellfish toxins produced by the genera Dinophysis are most significant. A 1% change in the production of these biotoxins reduces shellfish production by 0.66%, with an average yearly negative variation in production of 15% (1,080 ton) and an economic loss (turnover) of £ (GBP) 1.37 m per year (in 2015 currency) over a national annual industry turnover of ~ £ 12 m. The production function approach is coupled with a multivariate time series model (VAR) capturing the statistical relationship between algal concentration, information on climatic variables and biotoxins to forecast the damage to shellfish production from HABs. This provides producers and regulators with the economic information to plan temporal and spatial mitigating measures necessary to limit damages to production by comparing the costs of these measures with the costs of lost production.

AB - Shellfish production is an important activity for the economy of many countries. As well as its direct value, it helps to stabilize communities in rural areascharacterized by limited job opportunities. It is also important for consumers who recognize shellfish as a healthy product that gains its nutrition from naturalplankton without the need for fertilizers, chemical treatments or other anthropogenic intervention typical of terrestrial agriculture or other marine aquaculture. Nevertheless, global shellfish fisheries are under threat from harmful algal blooms (HABs) and related biotoxins, whose production is potentially exacerbated by global changes. This research provides evidence of economic impacts on Scottish shellfish farms in the last 10 years caused by HABs and their associated biotoxins. In contrast to previous approaches that have focused on variation in production as a function of temporal trends and blooms events, we use a production function approach to show which input factors (labour, capital, climate variables, concentration of biotoxins) have an effect on production. Results show that diarrhoetic shellfish toxins produced by the genera Dinophysis are most significant. A 1% change in the production of these biotoxins reduces shellfish production by 0.66%, with an average yearly negative variation in production of 15% (1,080 ton) and an economic loss (turnover) of £ (GBP) 1.37 m per year (in 2015 currency) over a national annual industry turnover of ~ £ 12 m. The production function approach is coupled with a multivariate time series model (VAR) capturing the statistical relationship between algal concentration, information on climatic variables and biotoxins to forecast the damage to shellfish production from HABs. This provides producers and regulators with the economic information to plan temporal and spatial mitigating measures necessary to limit damages to production by comparing the costs of these measures with the costs of lost production.

U2 - 10.1016/j.hal.2020.101912

DO - 10.1016/j.hal.2020.101912

M3 - Article

VL - 99

SP - 1

EP - 12

JO - Harmful algae

JF - Harmful algae

SN - 1568-9883

M1 - 101912

ER -