نتایج جستجو برای: fishers equation

تعداد نتایج: 231415  

2013
Vladimir Troynikov Athol Whitten Harry Gorfine Žilvinas Pūtys Eglė Jakubavičiūtė Linas Ložys Justas Dainys

Conflict arises in fisheries worldwide when piscivorous birds target fish species of commercial value. This paper presents a method for estimating size selectivity functions for piscivores and uses it to compare predation selectivities of Great Cormorants (Phalacrocorax carbo sinensis L. 1758) with that of gill-net fishing on a European perch (Perca fluviatilis L. 1758) population in the Curoni...

Journal: :Maritime Studies 2022

Abstract Global transformations in fisheries have contributed to the expansion of transnational movements, as they continuously seek out new ways strengthen their global linkages and find spaces platforms for engagement. As more emerge addressing international concerns, intergovernmental bodies become increasingly implicated navigating political integration diverse actors, such fishers’ movemen...

Journal: :Advances in Social Sciences Research Journal 2019

Journal: :Diversity 2023

Interactions between fishing and dolphins can be detrimental, since on one hand lethally entangled by nets trawls, the other predate fish caught nets. For dolphins, this interaction dangerous as they wounded or accidentally killed; for fishers, predation of their catch results in economic losses due to reduced quantity and/or quality catches damage gear. During July November 2020, we surveyed “...

2003
ALAN WILLIAMS NICHOLAS BAX

Australia involves fishers at all stages of the fishery assessment and management process. A key factor in the success of this approach is using fishers’ information to supplement and interpret standard fisheries data. From 1994, we collected fishers’ information on fishing grounds and habitats as part of a 5-year study of a continental shelf fishery. We met regularly with experienced fishers d...

2004
WILLIAM J. ZIELINSKI RICHARD L. TRUEX FREDRICK V. SCHLEXER REGINALD H. BARRETT

United States Department of Agriculture, Forest Service, Pacific Southwest Research Station, Redwood Sciences Laboratory, 1700 Bayview Dr., Arcata, CA 95521, USA (WJZ, RLT, FVS) United State Department of Agriculture, Forest Service, Six Rivers National Forest, 1330 Bayshore Way, Eureka, CA 95501-3438, USA (GAS, KNS) Department of Environmental Science, Policy and Management, University of Cali...

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