Zobrazeno 1 - 10
of 62
pro vyhledávání: '"Gustavo J. Macchi"'
Publikováno v:
Marine and Fishery Sciences, Vol 36, Iss 3 (2023)
This is the first description of diurnal pelagic aggregations of the bottom-dwelling Argentine red shrimp (Pleoticus muelleri) registered with a broadband scientific echosounder. A pelagic trawl net and an underwater video camera were used to validat
Externí odkaz:
https://doaj.org/article/7d43f46cff3b49fe94d377d1994f5752
Autor:
Gustavo J. Macchi, Gustavo Álvarez Colombo, Mauro Belleggia, Paola Betti, Daniel Brown, Georgina Cepeda, Carla Derisio, Marina V. Diaz, Martín Ehrlich, Ezequiel Leonarduzzi, Laura Machinandiaren, Patricia Martos, Betina Santos, Agustin Schiariti, Lucila Sobrero, Brenda Temperoni
Publikováno v:
Marine and Fishery Sciences, Vol 36, Iss 3 (2023)
Comprender las causas que generan la variabilidad del reclutamiento en las poblaciones marinas constituye uno de los mayores desafíos de la ciencia pesquera. Nuestra capacidad predictiva para explicar estas variaciones es relativamente baja, debido
Externí odkaz:
https://doaj.org/article/9934177dd20248e6bbf662afeab036b5
Publikováno v:
Scientia Marina, Vol 86, Iss 4 (2022)
The nutritional condition of anchovy and Argentine hake larvae in the Northern Patagonian Frontal System (NPFS) area was studied in the austral spring of 2018. We hypothesized that this area provides adequate features for larval growth and survival.
Externí odkaz:
https://doaj.org/article/231d6fe6c7044314bfc8abee10a18808
Publikováno v:
Neotropical Ichthyology, Vol 16, Iss 2 (2018)
ABSTRACT Atlantoraja cyclophora is an endemic skate to the continental shelf of the Southwestern Atlantic Ocean (22ºS-47ºS) and a by-catch species in commercial bottom trawl fisheries. The morphometric relationships, the size at maturity and the re
Externí odkaz:
https://doaj.org/article/d3715c242a854831b8c56c2ff2fd0bff
Publikováno v:
Neotropical Ichthyology, Vol 15, Iss 2 (2017)
ABSTRACT The reproductive potential of red porgy in coastal waters of Buenos Aires Province (Argentina) and Uruguay (34º-39ºS) was studied by means of a macroscopic and histological analysis of the gonads. Length and age at first maturity were dete
Externí odkaz:
https://doaj.org/article/922c748557dd4ef7893b3056f3efc8c0
Publikováno v:
Neotropical Ichthyology, Vol 11, Iss 1, Pp 153-162 (2013)
Percophis brasiliensis is a demersal species that constitutes an important resource of Argentine coastal fisheries. Nevertheless, information about bioenergetic dynamic of reproduction has not been reported. Therefore, seasonal variations of conditio
Externí odkaz:
https://doaj.org/article/a4ab744cd82e4faa92d61a21c99777b0
Autor:
Alcira O. Díaz, Roberto O. Freijo, Alicia M. García, Enrique L. Portiansky, Claudio G. Barbeito, Gustavo J. Macchi
Publikováno v:
Pesquisa Veterinária Brasileira, Vol 32, Iss 6, Pp 547-552 (2012)
The composition and distribution of the glycoconjugates (GCs) secreted by the epithelium of ovarian lamellae with reference to the reproductive biology of Genypterus blacodes (Schneider, 1801) through lectin hi stochemistry is here discussed. In this
Externí odkaz:
https://doaj.org/article/70e121f310cf4d9e9f6d2168bf30ba92
Publikováno v:
Neotropical Ichthyology, Vol 11, Iss 1, Pp 153-162
Percophis brasiliensis is a demersal species that constitutes an important resource of Argentine coastal fisheries. Nevertheless, information about bioenergetic dynamic of reproduction has not been reported. Therefore, seasonal variations of conditio
Externí odkaz:
https://doaj.org/article/50fd13a9895e4464be7024236e05c0dc
Autor:
Gabriela L. Villanueva-Gomila, Gustavo J. Macchi, Martín D. Ehrlich, Alejo J. Irigoyen, Leonardo A. Venerus
Publikováno v:
Neotropical Ichthyology, Vol 13, Iss 4, Pp 733-744
ABSTRACT Pinguipes brasilianus is a conspicuous and abundant rocky-reef fish inhabiting the Northern Patagonian gulfs of Argentina, Southwest Atlantic. This study describes its reproductive biology in this region. We made macroscopic and histological
Externí odkaz:
https://doaj.org/article/8844d290254b4182984636ee74f689d2
Publikováno v:
Polar Biology. 44:2165-2175
Prior understanding of Harpagifer antarcticus reproductive biology was based exclusively on macroscopic observations of its gonadal maturation cycle. Our present study with H. antarcticus specimens collected in summer of 2019 at Paradise Bay (PB), We