English
Related papers

Related papers: Measuring and Controlling Fishing Capacity for Chi…

200 papers

By using PTP and DEA methods, the study of marine fishing capacity in China revealed that it's more accurate to consider the input index as total power rather than the number of ships. The analysis clarified that the main issue with marine…

Physics and Society · Physics 2024-08-20 Yi Zheng

For controlling pollution of the marine environment while developing coastal economy, the coastal environmental performance was proposed and measured in static and dynamic methods combined with DEA and efficiency theory in this paper. With…

General Economics · Economics 2024-08-13 Yi Zheng

For promoting the development of the marine economy more sustainably, based on the data envelopment analysis method and combined with the impact of the marine environment, the environmental performance of the marine economy was evaluated…

General Economics · Economics 2024-08-13 Yi Zheng

Fisheries in the East China Sea (ECS) face multiple concerning trends. Aside from depleted stocks caused by overfishing, illegal encroachments by fishermen from one nation into another's legal waters are a common occurrence. This behavior…

General Economics · Economics 2022-05-03 Michael Macgregor Perry

In traditional harvesting model a fishing effort E is defined by the fishing intensity and does not address the inverse effect of fish abundance on the fishing effort. In this paper, based on a canonical differential equation model, we…

Dynamical Systems · Mathematics 2007-05-23 Lev Idels , Mei Wang

Many of the world's most important fisheries are experiencing increases in illegal fishing, undermining efforts to sustainably conserve and manage fish stocks. A major challenge to ending illegal, unreported, and unregulated (IUU) fishing…

Machine Learning · Computer Science 2020-07-13 A. John Woodill , Maria Kavanaugh , Michael Harte , James R. Watson

Optimization of resource distribution has been a challenging topic in current society. To explore this topic, we develop a Coalition Control Model(CCM) based on the Model Predictive Control(MPC) and test it using a fishing model with linear…

Multiagent Systems · Computer Science 2020-11-26 Weizhi Du , Harvey Tian

Overfishing can lead to the reduction or elimination of fish populations and the degradation or even destruction of their habitats. This can be prevented by introducing Marine Protected Areas (MPA's), regions in the ocean or along…

Optimization and Control · Mathematics 2013-07-08 Patrick De Leenheer

The South China Sea (SCS) is one of the most economically valuable resources on the planet, and as such has become a source of territorial disputes between its bordering nations. Among other things, states compete to harvest the multitude…

General Economics · Economics 2021-12-15 Michael Macgregor Perry

In this paper, the annual growth rate of electricity consumption in China in the first 15 years of the 21st century is modeled using multiple linear regression. Historical data and trends of gross domestic product, fixed assets investment…

Applications · Statistics 2017-10-24 Kunjin Chen , Kunlong Chen

Accurate and timely prediction of sea fog is very important for effectively managing maritime and coastal economic activities. Given the intricate nature and inherent variability of sea fog, traditional numerical and statistical forecasting…

Machine Learning · Computer Science 2023-07-21 Yanfei Xiang , Qinghong Zhang , Mingqing Wang , Ruixue Xia , Yang Kong , Xiaomeng Huang

This article elaborates on how machine learning (ML) can leverage the solution of a contemporary problem related to the security of maritime domains. The worldwide ``Illegal, Unreported, and Unregulated'' (IUU) fishing incidents have led to…

Signal Processing · Electrical Eng. & Systems 2021-08-09 Mohammed Abouheaf , Shuzheng Qu , Wail Gueaieb , Rami Abielmona , Moufid Harb

Effective management of recreational fisheries requires accurate forecasting of future harvests and real-time monitoring of ongoing harvests. Traditional methods that rely on historical catch data to predict short-term harvests can be…

Quantitative Methods · Quantitative Biology 2025-04-03 A. Challen Hyman , Chloe Ramsay , Tiffanie A. Cross , Beverly Sauls , Thomas K. Frazer

This paper is devoted to proposing a data-driven approach for electrifying the urban taxi fleet. Specifically, based on the gathered real-time vehicle trajectory data of 39053 taxis in Beijing, we conduct time-series simulations to derive…

Optimization and Control · Mathematics 2017-12-20 Yikang Li , Huimiao Chen , Yanni Yang , Ziyang Guo , Fang He

Deep decarbonization of the electricity sector can be provided by a high penetration of renewable sources such as wind, solar PV and hydro power. Flexibility from hydro and storage complements the high temporal variability of wind and…

Physics and Society · Physics 2019-02-18 Hailiang Liu , Tom Brown , Gorm Bruun Andresen , David P. Schlachtberger , Martin Greiner

Aquaculture is expected to account for two-thirds of global fish consumption by 2030, highlighting the need for sustainable and efficient practices. Feeding is crucial to aquaculture success, influenced by factors like fish size,…

Quantitative Methods · Quantitative Biology 2024-10-07 Dimitra Georgopoulou , Charalabos Vouidaskis , Nikos Papandroulakis

Monitoring and enforcement considerations have been largely forgotten in the study of fishery management. This paper discusses this issue through a model formalization to show the impacts of costly, imperfect enforcement of law on the…

General Economics · Economics 2023-06-30 Manuel Coelho , José António Filipe , Manuel Alberto M. Ferreira

First, this paper proposes the definition of directional congestion in certain input and output directions in the framework of data envelopment analysis (DEA). Second, two methods from different viewpoints are also proposed to estimate the…

Optimization and Control · Mathematics 2015-11-12 Guo-liang Yang

Vehicle-based mobile sensing, also known as drive-by sensing, efficiently surveys urban environments at low costs by leveraging the mobility of urban vehicles. While recent studies have focused on drive-by sensing for fleets of a single…

Optimization and Control · Mathematics 2024-05-24 Ke Han , Wen Ji , Yu , Nie , Zhexian Li , Shenglin Liu

We study the combined effects of periodically varying carrying capacity and survival rates on the fish population in the ocean (sea). We introduce the Getz type delay differential equation model with a control parameter which describes how…

Dynamical Systems · Mathematics 2007-05-23 L. Berezansky , L. Idels
‹ Prev 1 2 3 10 Next ›