Loss of longline-bait to northern fulmars : economic balance between damage from bait-loss and costs of measures to reduce seabird bycatch on the Faroe Islands
Verkefnið er unnið við Háskólasetur Vestfjarða On the Faroe Islands, longline fishermen experience a loss of bait to scavenging seabirds. This Master thesis evaluates the economic impact of bait-stealing by a seabird, the northern fulmar (Fulmarus glacialis), in the longline fisheries. Baits found i...
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ftskemman:oai:skemman.is:1946/25479 2023-05-15T16:10:31+02:00 Loss of longline-bait to northern fulmars : economic balance between damage from bait-loss and costs of measures to reduce seabird bycatch on the Faroe Islands Kühn, Susanne, 1987- Háskólinn á Akureyri 2016-02 application/pdf http://hdl.handle.net/1946/25479 en eng http://hdl.handle.net/1946/25479 Coastal and marine management University Centre of the Westfjords Haf- og strandsvæðastjórnun Færeyjar Fiskveiðar Sjófuglar Meistaraprófsritgerðir Háskólasetur Vestfjarða Thesis Master's 2016 ftskemman 2022-12-11T06:55:27Z Verkefnið er unnið við Háskólasetur Vestfjarða On the Faroe Islands, longline fishermen experience a loss of bait to scavenging seabirds. This Master thesis evaluates the economic impact of bait-stealing by a seabird, the northern fulmar (Fulmarus glacialis), in the longline fisheries. Baits found in stomachs of northern fulmars, caught accidentally in longline fisheries around the Faroe Islands, were used to estimate the bait loss. From this an estimate was made of the potential economic loss experienced by fishermen due to seabirds. Possible mitigation measures were discussed regarding their suitability for the Faroese fisheries and their economic viability. The results show that the economic loss for the fishermen can range between 600 and 88,000 Danish Krona (DKK) per trip for one vessel, depending on the fishing efficiency and the number of birds surrounding the vessel. As a mitigation measure, tori lines are proposed to keep the birds out of the reach of bait. It became clear that direct observer data is necessary to evaluate the situation on the Faroe Islands and to make a realistic picture of the extent of the fisheries-seabird interaction. Unfortunately the collection of data on board of fishing vessels was beyond the scope of this thesis. Nevertheless a useful tool is provided for fishermen to calculate the individual economic loss they suffer from seabirds and weigh the financial loss of seabirds stealing baits against the costs of mitigation measures that might reduce seabird fatalities and therefore create a situation where both, fishermen and seabirds benefit. Thesis Faroe Islands Fulmarus glacialis Færeyjar Northern Fulmar Skemman (Iceland) Faroe Islands Fulmar ENVELOPE(-46.016,-46.016,-60.616,-60.616) Haf ENVELOPE(-19.699,-19.699,64.145,64.145) Krona ENVELOPE(12.432,12.432,65.827,65.827) |
institution |
Open Polar |
collection |
Skemman (Iceland) |
op_collection_id |
ftskemman |
language |
English |
topic |
Coastal and marine management University Centre of the Westfjords Haf- og strandsvæðastjórnun Færeyjar Fiskveiðar Sjófuglar Meistaraprófsritgerðir Háskólasetur Vestfjarða |
spellingShingle |
Coastal and marine management University Centre of the Westfjords Haf- og strandsvæðastjórnun Færeyjar Fiskveiðar Sjófuglar Meistaraprófsritgerðir Háskólasetur Vestfjarða Kühn, Susanne, 1987- Loss of longline-bait to northern fulmars : economic balance between damage from bait-loss and costs of measures to reduce seabird bycatch on the Faroe Islands |
topic_facet |
Coastal and marine management University Centre of the Westfjords Haf- og strandsvæðastjórnun Færeyjar Fiskveiðar Sjófuglar Meistaraprófsritgerðir Háskólasetur Vestfjarða |
description |
Verkefnið er unnið við Háskólasetur Vestfjarða On the Faroe Islands, longline fishermen experience a loss of bait to scavenging seabirds. This Master thesis evaluates the economic impact of bait-stealing by a seabird, the northern fulmar (Fulmarus glacialis), in the longline fisheries. Baits found in stomachs of northern fulmars, caught accidentally in longline fisheries around the Faroe Islands, were used to estimate the bait loss. From this an estimate was made of the potential economic loss experienced by fishermen due to seabirds. Possible mitigation measures were discussed regarding their suitability for the Faroese fisheries and their economic viability. The results show that the economic loss for the fishermen can range between 600 and 88,000 Danish Krona (DKK) per trip for one vessel, depending on the fishing efficiency and the number of birds surrounding the vessel. As a mitigation measure, tori lines are proposed to keep the birds out of the reach of bait. It became clear that direct observer data is necessary to evaluate the situation on the Faroe Islands and to make a realistic picture of the extent of the fisheries-seabird interaction. Unfortunately the collection of data on board of fishing vessels was beyond the scope of this thesis. Nevertheless a useful tool is provided for fishermen to calculate the individual economic loss they suffer from seabirds and weigh the financial loss of seabirds stealing baits against the costs of mitigation measures that might reduce seabird fatalities and therefore create a situation where both, fishermen and seabirds benefit. |
author2 |
Háskólinn á Akureyri |
format |
Thesis |
author |
Kühn, Susanne, 1987- |
author_facet |
Kühn, Susanne, 1987- |
author_sort |
Kühn, Susanne, 1987- |
title |
Loss of longline-bait to northern fulmars : economic balance between damage from bait-loss and costs of measures to reduce seabird bycatch on the Faroe Islands |
title_short |
Loss of longline-bait to northern fulmars : economic balance between damage from bait-loss and costs of measures to reduce seabird bycatch on the Faroe Islands |
title_full |
Loss of longline-bait to northern fulmars : economic balance between damage from bait-loss and costs of measures to reduce seabird bycatch on the Faroe Islands |
title_fullStr |
Loss of longline-bait to northern fulmars : economic balance between damage from bait-loss and costs of measures to reduce seabird bycatch on the Faroe Islands |
title_full_unstemmed |
Loss of longline-bait to northern fulmars : economic balance between damage from bait-loss and costs of measures to reduce seabird bycatch on the Faroe Islands |
title_sort |
loss of longline-bait to northern fulmars : economic balance between damage from bait-loss and costs of measures to reduce seabird bycatch on the faroe islands |
publishDate |
2016 |
url |
http://hdl.handle.net/1946/25479 |
long_lat |
ENVELOPE(-46.016,-46.016,-60.616,-60.616) ENVELOPE(-19.699,-19.699,64.145,64.145) ENVELOPE(12.432,12.432,65.827,65.827) |
geographic |
Faroe Islands Fulmar Haf Krona |
geographic_facet |
Faroe Islands Fulmar Haf Krona |
genre |
Faroe Islands Fulmarus glacialis Færeyjar Northern Fulmar |
genre_facet |
Faroe Islands Fulmarus glacialis Færeyjar Northern Fulmar |
op_relation |
http://hdl.handle.net/1946/25479 |
_version_ |
1765995698111643648 |