Chowdhury, Nazneen Kawshar
Description
The thesis is a combination of five essays: one introductory
essay (Chapter 1), three core essays (Chapter 2, 3 and 4) and one
concluding essay (Chapter 5). The first essay (Chapter 1) gives
an overview of management on marine capture fisheries, and
focuses on the importance of economic perspectives and analyses
in fisheries management. The second essay (Chapter 2)
investigates the effect of input control on vessels’
performance of the industrial marine...[Show more] fisheries of Bangladesh. The
vessels’ performance in this study is measured in term of
technical efficiency and productivity. The third essay (Chapter
3) estimates biological reference points of industrial marine
fisheries of Bangladesh in order to find out the current status
of the industrial marine fisheries. Biomass dynamic models: a
dynamic version of surplus production models, are used to
estimate biological reference points. The fourth essay (Chapter
4) measures the economic performance of the industrial marine
fisheries of Bangladesh. This study develops two single-species
and single-fleet models separately for both shrimp and fish
fisheries. Current and potential economic performance of both
shrimp and fish fisheries in this study are measured using three
different bio-economic models, including a bio-economic model for
open access fisheries, a static profit maximization problem and a
dynamic present value-maximization problem in continuous time.
The fifth essay (Chapter 5) discusses the impact of traditional
command and control approaches to marine fisheries management in
light of evidence from industrial marine fisheries of Bangladesh.
The study shows that command and control approaches to the
industrial marine fisheries management of Bangladesh fail to
increase efficiency and to control overcapitalization. Evidence
shows that fisheries suffer overcapacity and fisheries are
economically unprofitable. As marine fisheries legislation in
Bangladesh is too old and fisheries policies are more focused on
increased production with little emphasis on conservation or
sustainable fisheries management, a reform in legislation and
management systems of the industrial marine fisheries of
Bangladesh is needed. To protect economic and biological
overfishing, a correct management target and right-based approach
that is, an incentive adjusting approach is needed so that the
fisheries can be both economically profitable and biologically
sustainable.
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