2019
DOI: 10.1590/1678-4766e2019001
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La efectividad de una ley de protección al servicio de la conservación de un recurso marino: El ejemplo del camarón fantasma Callichirus major (Decapoda, Callianassidae) de la costa de Brasil

Abstract: RESUMEN La mortalidad por pesca ha sido pocas veces estudiada aislando el efecto causado por las capturas. En este estudio se analizó este aspecto usando como modelo biológico al camarón fantasma Callichirus major (Say, 1818), el cual es colectado intensamente en varias regiones de la costa de Brasil. Para ello, la densidad de las galerías y la demografía poblacional de C. major fue analizada en las playas de Gonzaga e Itararé, dos playas contiguas del Estado de São Paulo, Brasil. La playa de Gonzaga fue consi… Show more

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Cited by 13 publications
(2 citation statements)
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“…According to our observations, A. patagoniensis can form complex social structures within each gallery due to the low agonistic interaction that likely exists between individuals. In the present study, 39.5% of the burrows sampled were empty of crabs and mean burrow density of C. major reached 8.3 burrows/m 2 (Hernáez et al., 2019). This observation suggests a large availability of shelters and consequently a reduction in the number of crabs per host due to low pressure for burrow occupancy.…”
Section: Discussionmentioning
confidence: 50%
“…According to our observations, A. patagoniensis can form complex social structures within each gallery due to the low agonistic interaction that likely exists between individuals. In the present study, 39.5% of the burrows sampled were empty of crabs and mean burrow density of C. major reached 8.3 burrows/m 2 (Hernáez et al., 2019). This observation suggests a large availability of shelters and consequently a reduction in the number of crabs per host due to low pressure for burrow occupancy.…”
Section: Discussionmentioning
confidence: 50%
“…Furthermore, considering the intense harvest suffered by C. major as bait for recreational fishing in several Brazilian regions (Rodrigues and Shimizu 1997, Souza and Borzone 2003, Hernáez et al 2019, the population of this species often fails to maintain its natural structure and a better representation in size classes. We therefore estimated the chelar relative growth and morphological maturity sizes in C. major, using a more reliable biometric variable (carpus size) and based on specimens captured in a stable and well-balanced population protected by law (see Ordinance #850/1992) in Santos Municipality, Brazil.…”
Section: Introductionmentioning
confidence: 99%