Recent emphasis on dipolarization fronts (DFs) has led to the impression that DFs play a significant role in bringing magnetic flux to the inner magnetosphere during substorms. In this work, we investigate the amount of magnetic flux transport associated with DFs by examining the frozen-in field line condition (FIC) for previously reported DF events. A study of 18 DF cases shows that the FIC do...

There is a need to improve fishing methods select for certain sizes and species while excluding others. Experiments are conducted quantify selectivity of gears how variables such as gear design (e.g., mesh size, shape), environmental parameters light, turbidity, substrate) or biological fish condition) alter selectivity; the resulting data be analyzed using specialized statistical in many cases...

Fishing constitutes one of the most significant threats to marine biodiversity and ecosystem function, documented by a growing body of information on the numerous impacts to populations, community structure, and habitats (Dayton et al., 1995; Roberts, 1995; Jennings and Polunin, 1996). Besides the more obvious effects on species population structure, fishing activities may also reduce the struc...

This paper describes one of the most acute problem for both environmental companies and fisheries - bycatch marine mammals caused by bioresource exploitation in Northwest Atlantic (NWA). There is no doubt that fishing has some impact on mammals, but information needed to understand extent different gears. The based data from reports observers Polar branch VNIRO vessels 3LMNO NAFO zone (Newfound...

In this study was carried out between April 2015 and January 2017 at 0-120 m depth areas where commercial fishermen were fishing in North Aegean Sea, Çanakkale coasts. study, it is aimed to determine the species composition of caught trotline target non-target catch rates. 6 different types used. As a result 174 catching operations 7210 individuals catched total. When ratio with trotlines are e...

This study was carried out to ascertain the influence of fishing gear used by fisherfolks on yield fish in River Benue, Nigeria. The conducted three villages that are also landing sites. They within Adamawa State axis with Benue passing through them. selected Boranji (Site 1), Damare 2) and Hayin gada 3). bi-monthly for months from month July September 2021. In conduct this study, both primary ...