About: Tracing possible drivers of synchronously fluctuating species catches in individual logbook data

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	For some reservoirs in the Czech Republic, there are conspicuous synchronous fluctuations in catches of different species that might be caused by fishing skills and strategies. This study describes a method that could detect signatures of such phenomena in individual logbooks. It classifies anglers by species reported during1 year and compares the resulting angler groups by group size, fishing effort, catch per unit effort (CPUE) and annual catch. The method is illustrated by data from one reservoir, showing that the number of generalist anglers who caught several species was higher than expected. Generalists also had higher catches and effort but lower CPUE than specialists who caught only one of the species. The results indicate that generalist anglers with a low degree of specialisation and high effort could contribute to long-term correlations in species catches. For some reservoirs in the Czech Republic, there are conspicuous synchronous fluctuations in catches of different species that might be caused by fishing skills and strategies. This study describes a method that could detect signatures of such phenomena in individual logbooks. It classifies anglers by species reported during1 year and compares the resulting angler groups by group size, fishing effort, catch per unit effort (CPUE) and annual catch. The method is illustrated by data from one reservoir, showing that the number of generalist anglers who caught several species was higher than expected. Generalists also had higher catches and effort but lower CPUE than specialists who caught only one of the species. The results indicate that generalist anglers with a low degree of specialisation and high effort could contribute to long-term correlations in species catches. (en)
Title	Tracing possible drivers of synchronously fluctuating species catches in individual logbook data Tracing possible drivers of synchronously fluctuating species catches in individual logbook data (en)
skos:prefLabel	Tracing possible drivers of synchronously fluctuating species catches in individual logbook data Tracing possible drivers of synchronously fluctuating species catches in individual logbook data (en)
skos:notation	RIV/60077344:_____/11:00367139!RIV12-MSM-60077344
http://linked.open...avai/predkladatel	Biologické centrum AV ČR, v. v. i.
http://linked.open...avai/riv/aktivita	I P Z
http://linked.open...avai/riv/aktivity	I, P(7F10070), Z(AV0Z50070508), Z(AV0Z60170517)
http://linked.open...iv/cisloPeriodika	4
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Kubečka, Jan Boukal s., David Jankovský, Martin
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Biologické centrum AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	235680
http://linked.open...ai/riv/idVysledku	RIV/60077344:_____/11:00367139
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	angler preferences; catch statistics; reservoirs; catch per unit effort; time series correlations (en)
http://linked.open.../riv/klicoveSlovo	reservoirs angler preferences catch per unit effort catch statistics time series correlations
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[525BC9969C98]
http://linked.open...i/riv/nazevZdroje	Fisheries Management and Ecology
http://linked.open...in/vavai/riv/obor	GL
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Monitoring the environment of man-made lakes: what can fisheries data and models tell us?
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	18
http://linked.open...iv/tvurceVysledku	Kubečka, Jan Pivnička, K. Boukal s., David Jankovský, Martin
http://linked.open...ain/vavai/riv/wos	000292337600004
http://linked.open...n/vavai/riv/zamer	Study of the regulation of insect organism, dynamics of insect populations and function of insects in ecosystems Struktura, funkce a vývoj vodních ekosystémů
issn	0969-997X
number of pages	10 (xsd:int)
http://bibframe.org/vocab/doi	10.1111/j.1365-2400.2011.00783.x
is http://linked.open...avai/riv/vysledek of	Tracing possible drivers of synchronously fluctuating species catches in individual logbook data

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