Explorative GPS-Tracking of Foraging Movements by Audouin's Gulls Reveals No Association with Fishing Vessels in Croatia

Abstract Background Landfills are a major subsidy for some animals, with implications for their life history and demography. Gulls feed extensively on food from landfills and closures are expected to have ecological consequences, but how this influences movement ecology is virtually unknown. Methods We used GPS-tracking to quantify foraging behaviour and habitat choice of lesser black-backed gulls (Larus fuscus) breeding at two colonies before and after closure of two nearby landfills. Results Following closure, gulls from both colonies travelled further and for longer to forage. Gulls also changed habitat selection, although this differed by colony - birds from one colony shifted to agricultural habitats, while at the other, increased their use of urban areas. These behavioural responses had no effect on adult body condition but hint at potential direct effects of higher foraging costs and indirect impacts by shifting to new habitats. Conclusions Our results demonstrate how landfill availability influences gull foraging movements and habitat selection. We also emphasize the value of biologging to detect rapid behavioural responses in contrast to more conventional demographic approaches, which is especially important for animals that spend the majority of their lives away from direct observation.

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GPS tracking of the foraging movements of Manx Shearwaters Puffinus puffinus breeding on Skomer Island, Wales

Ibis ◽

10.1111/j.1474-919x.2008.00805.x ◽

2008 ◽

Vol 150 (3) ◽

pp. 462-473 ◽

Cited By ~ 67

Author(s):

T. C. GUILFORD ◽

J. MEADE ◽

R. FREEMAN ◽

D. BIRO ◽

T. EVANS ◽

...

Keyword(s):

Gps Tracking ◽

Foraging Movements

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Foraging Far from Home: Gps-Tracking of Mediterranean Storm-Petrels Hydrobates pelagicus melitensis Reveals Long-Distance Foraging Movements

Ardeola ◽

10.13157/arla.68.1.2021.ra1 ◽

2020 ◽

Vol 68 (1) ◽

pp. 3

Author(s):

Andreu Rotger ◽

Alfonso Sola ◽

Giacomo Tavecchia ◽

Ana Sanz-Aguilar

Keyword(s):

Gps Tracking ◽

Long Distance ◽

Foraging Movements

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Quality of Services Publishing Record of Fisheries (BPKP) in The Marine and Fisheries Office South Sumatera Province

Open Access Indonesia Journal of Social Sciences ◽

10.37275/oaijss.v1i2.8 ◽

2018 ◽

Vol 1 (2) ◽

pp. 25-32

Author(s):

Galamda Israk ◽

Slamet Widodo ◽

Andy Alfatih

Keyword(s):

Quality Of Service ◽

Data Collection ◽

Service Quality ◽

Participant Observation ◽

Secondary Data ◽

Likert Scale ◽

Quality Of Services ◽

Fishing Vessels ◽

Scale Assessment

ABSTRACT This study aims to determine the quality of service issuance of Proof of Registration of Fishing Vessels (BPKP) in the Department of Maritime Affairs and Fisheries of South Sumatra Province and what factors influence it. Data collection techniques used were the distribution of questionnaires to 60 respondents who were capture fisheries business actors with a Likert Scale assessment, as well as conducting unstructured interviews, non-participant observation and secondary data collection. The dimensions used are tangible, reliability, responsiveness, assurance and empathy. The value of service quality based on tangible dimensions is 4.2 or good, based on the reliability dimension is 4.1 or good, the responsiveness dimension is 4.0 or good, the guarantee dimension is 4.1 or good, and based on the empathy dimension is 4.1 or good. Of all these parameters, it was concluded that the quality of BPKP issuance services in the Department of Maritime Affairs and Fisheries of South Sumatra Province in 2016 was good with a score of 4.1. The conclusion is based on an assessment of an average of 58 respondents or 97.4% of respondents.

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Warrantless GPS Surveillance: Search and Seizure - Using the Right to Exclude to Address the Constitutionality of GPS Tracking Systems Under the Fourth Amendment

SSRN Electronic Journal ◽

10.2139/ssrn.1973627 ◽

2011 ◽

Author(s):

Jace C. Gatewood

Keyword(s):

Fourth Amendment ◽

Gps Tracking ◽

Search And Seizure ◽

Tracking Systems ◽

The Right

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A Novel System for Smartphone Tracking-Using GPS Tracking

SSRN Electronic Journal ◽

10.2139/ssrn.3432264 ◽

2019 ◽

Author(s):

Thilakesh Raj A ◽

Nalinipriya G ◽

Maheswari K.G ◽

Siva C

Keyword(s):

Gps Tracking

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Fisheries: A Missing Link in Greenhouse Gas Emission Policies in South Korea

Sustainability ◽

10.3390/su13115858 ◽

2021 ◽

Vol 13 (11) ◽

pp. 5858

Author(s):

Kyumin Kim ◽

Do-Hoon Kim ◽

Yeonghye Kim

Keyword(s):

Greenhouse Gas ◽

Greenhouse Gas Emission ◽

Ghg Emissions ◽

Bioeconomic Model ◽

Negative Externalities ◽

Fishing Vessel ◽

Gas Emission ◽

Fishing Vessels ◽

The Government ◽

Different Levels

Recent studies demonstrate that fisheries are massive contributors to global greenhouse gas (GHG) emissions. The average Korean fishing vessel is old, fuel-inefficient, and creates a large volume of emissions. Yet, there is little research on how to address the GHG emissions in Korean fisheries. This study estimated the change in GHG emissions and emission costs at different levels of fishing operations using a steady-state bioeconomic model based on the case of the Anchovy Tow Net Fishery (ATNF) and the Large Purse Seine Fishery (LPSF). We conclude that reducing the fishing efforts of the ATNF and LPSF by 37% and 8% respectively would not only eliminate negative externalities on the anchovy and mackerel stock respectively, but also mitigate emissions and emission costs in the fishing industry. To limit emissions, we propose that the Korean government reduce fishing efforts through a vessel-buyback program and set an annual catch limit. Alternatively, the government should provide loans for modernizing old fishing vessels or a subsidy for installing emission abatement equipment to reduce the excessive emissions from Korean fisheries.

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