Biomass Development and Fishers’ Vulnerability in Nigeria: Evidence from a Survey Dataset

Research output: Contribution to journal › Journal article › Research › peer-review

Standard

Biomass Development and Fishers’ Vulnerability in Nigeria : Evidence from a Survey Dataset. / Chukwuone, Nnaemeka Andegbe; Lancker, Kira; Schmidt, Jörn O.; Amaechina, Ebele Chinelo.

In: Marine Resource Economics, Vol. 37, No. 4, 2022, p. 387-407.

Research output: Contribution to journal › Journal article › Research › peer-review

Harvard

Chukwuone, NA, Lancker, K, Schmidt, JO & Amaechina, EC 2022, 'Biomass Development and Fishers’ Vulnerability in Nigeria: Evidence from a Survey Dataset', Marine Resource Economics, vol. 37, no. 4, pp. 387-407. https://doi.org/10.1086/721474

APA

Chukwuone, N. A., Lancker, K., Schmidt, J. O., & Amaechina, E. C. (2022). Biomass Development and Fishers’ Vulnerability in Nigeria: Evidence from a Survey Dataset. Marine Resource Economics, 37(4), 387-407. https://doi.org/10.1086/721474

Vancouver

Chukwuone NA, Lancker K, Schmidt JO, Amaechina EC. Biomass Development and Fishers’ Vulnerability in Nigeria: Evidence from a Survey Dataset. Marine Resource Economics. 2022;37(4):387-407. https://doi.org/10.1086/721474

Author

Chukwuone, Nnaemeka Andegbe ; Lancker, Kira ; Schmidt, Jörn O. ; Amaechina, Ebele Chinelo. / Biomass Development and Fishers’ Vulnerability in Nigeria : Evidence from a Survey Dataset. In: Marine Resource Economics. 2022 ; Vol. 37, No. 4. pp. 387-407.

Bibtex

@article{6e17f106cd0345a6893ce873d92095b7,
title = "Biomass Development and Fishers{\textquoteright} Vulnerability in Nigeria: Evidence from a Survey Dataset",
abstract = "Biomass decline is a vital threat for small-scale fisheries, but lack of data affects our ability to understand both biomass development and fishers{\textquoteright} adaptation. This study contributes to the literature on cost-effective, survey-data-based methods in data-poor and development-oriented settings. Based on original survey data from Nigeria, we find that 58% of respondents perceive a decline in fish abundance, in particular top-predator biomass. However, we also find signs of strategic behavior by respondents. Subsequently, we use multinomial logit and probit models to analyze the consequences of biomass decline for livelihoods. Our empirical findings support our theoretical prediction that biomass decline may crowd out some fishers while net favoring others, based on heterogeneous competitiveness. Furthermore, crowding-out status overlaps with high financial vulnerability. This emphasizes that biomass decline not only affects the cost of fishing, but may also adversely affect the fisheries pro-poor functions.",
author = "Chukwuone, {Nnaemeka Andegbe} and Kira Lancker and Schmidt, {J{\"o}rn O.} and Amaechina, {Ebele Chinelo}",
year = "2022",
doi = "10.1086/721474",
language = "English",
volume = "37",
pages = "387--407",
journal = "Marine Resource Economics",
issn = "0738-1360",
publisher = "University of Chicago Press",
number = "4",

}

RIS

TY - JOUR

T1 - Biomass Development and Fishers’ Vulnerability in Nigeria

T2 - Evidence from a Survey Dataset

AU - Chukwuone, Nnaemeka Andegbe

AU - Lancker, Kira

AU - Schmidt, Jörn O.

AU - Amaechina, Ebele Chinelo

PY - 2022

Y1 - 2022

N2 - Biomass decline is a vital threat for small-scale fisheries, but lack of data affects our ability to understand both biomass development and fishers’ adaptation. This study contributes to the literature on cost-effective, survey-data-based methods in data-poor and development-oriented settings. Based on original survey data from Nigeria, we find that 58% of respondents perceive a decline in fish abundance, in particular top-predator biomass. However, we also find signs of strategic behavior by respondents. Subsequently, we use multinomial logit and probit models to analyze the consequences of biomass decline for livelihoods. Our empirical findings support our theoretical prediction that biomass decline may crowd out some fishers while net favoring others, based on heterogeneous competitiveness. Furthermore, crowding-out status overlaps with high financial vulnerability. This emphasizes that biomass decline not only affects the cost of fishing, but may also adversely affect the fisheries pro-poor functions.

AB - Biomass decline is a vital threat for small-scale fisheries, but lack of data affects our ability to understand both biomass development and fishers’ adaptation. This study contributes to the literature on cost-effective, survey-data-based methods in data-poor and development-oriented settings. Based on original survey data from Nigeria, we find that 58% of respondents perceive a decline in fish abundance, in particular top-predator biomass. However, we also find signs of strategic behavior by respondents. Subsequently, we use multinomial logit and probit models to analyze the consequences of biomass decline for livelihoods. Our empirical findings support our theoretical prediction that biomass decline may crowd out some fishers while net favoring others, based on heterogeneous competitiveness. Furthermore, crowding-out status overlaps with high financial vulnerability. This emphasizes that biomass decline not only affects the cost of fishing, but may also adversely affect the fisheries pro-poor functions.

U2 - 10.1086/721474

DO - 10.1086/721474

M3 - Journal article

VL - 37

SP - 387

EP - 407

JO - Marine Resource Economics

JF - Marine Resource Economics

SN - 0738-1360

IS - 4

ER -

ID: 348162778