Results 31 to 40 of about 8,225 (105)

Avaliação do efeito de anestésicos para a ostra perlífera nativa do Brasil Pteria hirundo (Linné, 1758) [PDF]

open access: yes, 2011
TCC (graduação) - Universidade Federal de Santa Catarina, Centro de Ciências Agrárias, Curso de Engenharia de Aquicultura.No total 135 ostras perlíferas nativas do Brasil, da espécie Pteria hirundo, medindo de 4,0 a 6,0 centímetros de altura ...
Araújo, Artur Freitas
core  

Reproductive Biology and Gross Biochemical Composition of Larkinia grandis (Bivalvia: Arcidae) in the Northwestern of the Mexican Pacific

open access: yesInternational Journal of Zoology, Volume 2025, Issue 1, 2025.
The reproductive cycle of Larkinia grandis (Broderip and G.B. Sowerby I, 1829) from the NW Mexican Pacific was analyzed in relation to environmental variables, condition index (CI), and biochemical composition of different tissues. A total of 960 clams (80/month; 44.5–142.0 mm, shell height) were collected from the El Cohui estuary in the Navachiste ...
Maria Isabel Sotelo-Gonzalez   +8 more
wiley   +1 more source

Individual Growth Parameterization Models Using the Observed Variance in Organisms Subject to Aquaculture

open access: yesAquaculture Journal
Parameterizing nonlinear models presents an ongoing challenge in fisheries and aquaculture research. While additive and multiplicative error structures have been traditionally applied, a more recent alternative—the observed error structure—is gaining ...
Eugenio Alberto Aragón-Noriega   +3 more
doaj   +1 more source

Caracterização preliminar dos hemócitos da perlífera nativa Pteria hirundo [PDF]

open access: yes, 2014
TCC (graduação) - Universidade Federal de Santa Catarina. Centro de Ciências Agrárias. Curso de Engenharia de Aquicultura.A ostra perlífera nativa Pteria hirundo possui um grande potencial para a aquicultura nacional devido a sua capacidade de produzir ...
Vieira, Graziela Cleuza
core  

Experimental Collection of Pearl Oyster, Pinctada mazatlanica and Pteria sterna, Spat on a Filament Substrate

open access: yesJournal of the World Aquaculture Society, 1992
AbstractJuveniles of Pinctada mazatlanica and Pteria sterna were collected with artificial collectors from Falsa Bay, Baja California Sur, Mexico during a 12 month experimental period. Filament substrate artificial collectors contained in 2 mm plastic mesh bags (25 ± 25 cm) were deployed from the surface to 17 m of depth, and replaced monthly. Pinctada
Carlos Caceres‐Martinez   +2 more
openaire   +1 more source

The biology and conservation of the Damara Tern in Namibia [PDF]

open access: yes, 2011
The globally Near-threatened Damara Tern Sterna balaenarum is little known and faces several conservation issues. The aim of this study was to provide a description of the ecology and numbers of the species and discuss conservation management plans that ...
Braby, Justine
core   +1 more source

Ecología de la captación de la semilla de madreperla Pinctada mazatlanica y concha nácar Pteria sterna (Bivalvia:pteriidae), en la Isla Gaviota, Bahía de La Paz, B.C.S., México. [PDF]

open access: yes, 1997
IMPRESO Y PDFEl cultivo extensivo de Pinctada mazatlanica y Pteria sterna requiere de un abastecimiento constante de juveniles. Los estudios encaminados al conocimiento y comprensión de la dinámica de la comunidad asociada nos ayudarán a mejorar el ...
Wright López, Humberto
core  

[Growth and mortality of the mollusk Pteria sterna in wild banks of Southern Baja California, Mexico].

open access: yesRevista de biologia tropical, 2010
The Gulf of California nacre shell Pteria sterna is an important marine resource in Mexico, and the main species for "half" and round pearl production in the American continent. Wild spat can only be extracted legally for research or culture activities.
Humberto, Wright-López   +3 more
openaire   +1 more source

Growth and survival of the winged pearl oyster Pteria sterna (Gould, 1851) in suspended culture in the tropical Eastern Pacific: Influence of environmental factors

open access: yesAquaculture Research, 2017
The growth, survival and influence of environmental factors were analysed in two cohorts of cultured Pteria sterna in Ayangue Bay, Province of Santa Elena, Ecuador (tropical Eastern Pacific). Juveniles representing cohorts I and II (8.4 ± 0.54 and 5.0 ± 0.17 mm in dorso-ventral axis) were deployed in November 2015 and February 2016, and grown in pearl ...
Lodeiros, César   +6 more
openaire   +2 more sources

Prospección de concha perlífera Pteria sterna en Talara, noviembre 2000

open access: yes, 2012
19 p.
Luque Sánchez, Carlos   +3 more
openaire   +2 more sources

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