Results 71 to 80 of about 4,603,944 (167)

Validation of a method for estimating realized annual fecundity in a multiple spawner, the long-snouted seahorse (Hippocampus guttulatus), using underwater visual census

open access: yes, 2007
The long-snouted seahorse (Hippocampus guttulatus) (Cuvier, 1829), was used to validate the pre-dictive accuracy of three progressively realistic models for estimating the realized annual fecundity of asyn-chronous, indeterminate, multiple spawners. Underwater surveys and catch data were used to estimate the duration of the reproductive season, female ...
openaire   +2 more sources

Pegasus Issue 1

open access: yes, 1976
2nd printing: November ...
Multiple Contributors
core  

Murphy's Law

open access: yes, 1994
This publication may contain explicit sexual literary descriptions and/or artistic ...
Multiple Contributors
core   +1 more source

Reproductive ecology of a neotropical cichlid fish, Cichla monoculus (Osteichthyes: Cichlidae)

open access: yesBrazilian Journal of Biology, 2003
The reproductive ecology of the freshwater fish Cichla monoculus Spix, 1831 (Osteichthyes: Cichlidae) was investigated in the Campo Grande Reservoir, Northeast Brazil.
Chellappa S.   +4 more
doaj  

Limit Reference Points and Equilibrium Stock Dynamics in the Presence of Recruitment Depensation

open access: yesFishes
Depensation (or an Allee effect) has recently been detected in stock–recruitment relationships (SRRs) in four Atlantic herring stocks and one Atlantic cod stock using a Bayesian statistical approach.
Timothy J. Barrett, Quang C. Huynh
doaj   +1 more source

Reproductive tactics optimizing the survival of the offspring of Cichlasoma orientale (Perciformes: Cichlidae)

open access: yesRevista de Biología Tropical, 2014
High mortality rates have been observed in Teleost during early developmental stages, as well as great variations in reproductive tactics, which are related to adaptations towards environmental conditions and ecological niches for which different species
Jussiara Candeira Spíndola Linhares   +4 more
doaj  

Histological Study on the Ovarian Development of Liparis tanakae in the Yellow Sea

open access: yesProgress in Fishery Sciences
Liparis tanakae is a dominant species of the Yellow Sea ecosystem, and its biological characteristics—such as high seasonal variations in population structure, rapid growth, relatively short lifespan, and pronounced response to environmental changes ...
Yunlong CHEN   +5 more
doaj   +1 more source

DNA and scale reading to identify repeat spawning in Atlantic salmon: Unique insights into patterns of iteroparity. [PDF]

open access: yesEvol Appl, 2023
Kaland H   +8 more
europepmc   +1 more source

Reproducción y dinámica poblacional de Cheirodon interruptus (Ostariophysi: Characidae) en el arroyo El Portugués, alta cuenca del río Samborombón, Argentina Reproduction and population dynamics of Cheirodon interruptus (Ostariophysi: Characidae) in El Portugués, a stream in the upper watershed of the Samborombon River, Argentina

open access: yesLatin American Journal of Aquatic Research, 2011
Se determinó el período reproductivo de Cheirodon interruptus mediante el análisis de 1.658 especímenes capturados mensualmente en el arroyo El Portugués, Argentina, desde mayo 2004 hasta abril 2005.
Ricardo A Ferriz   +3 more
doaj  

Generation Gap Issue 6

open access: yes, 1993
Jun ...
Multiple Contributors
core   +1 more source

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